CN115671429A - Monitoring system and monitoring method of blood oxygen saturation - Google Patents
Monitoring system and monitoring method of blood oxygen saturation Download PDFInfo
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Abstract
The monitoring system and the monitoring method of the blood oxygen saturation, provided by the invention, determine a plurality of detection parts detected by a plurality of sensors; acquiring, by the plurality of sensors, a plurality of oxygen saturation levels of blood detected at a plurality of detection sites; continuously comparing a difference between blood oxygen saturation levels of at least two of the plurality of detection sites to obtain a difference value; and judging whether the difference value is in at least one preset numerical range and/or outside the at least one preset numerical range, and if so, outputting at least one reminding message. Therefore, the invention can send out a prompt by judging the difference of the blood oxygen saturation of two different parts, can more comprehensively and timely discover the abnormity of the patient and has good monitoring effect.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a monitoring system and a monitoring method of oxyhemoglobin saturation.
Background
In the clinical practice, an Extracorporeal Membrane Oxygenation (ECMO) technique is used to introduce venous blood of a patient from inside to outside of the body, and after Oxygenation by the Membrane lung, the oxygenated blood is pumped back to the body by a driving pump. ECMO technology has the ability to simultaneously assist both ventricular and respiratory functions without site limitations, and has become increasingly used in the clinic in recent years.
The consensus among ECMO related experts released in recent years has made demands on clinical operation during ECMO use. The consensus of the expert assistant in adult extracorporeal membrane oxygenation (ECMO) circulation, the consensus of the expert clinical application of adult extracorporeal membrane pulmonary oxygenation under different conditions, the consensus of the expert intercourse transfer of patients with adult extracorporeal membrane pulmonary oxygenation, and the like, emphasizes that the clinical operation of ECMO patients is standardized to reduce complications. While ECMO or other extracorporeal circulation support techniques are in clinical practice, one of the complications that patients often experience is blood oxygen saturation abnormalities. If north-south syndrome and acro ischemia are large, the two complications can be judged by monitoring the blood oxygen saturation of different parts.
Although the current stage monitor can monitor the blood oxygen saturation values of multiple parts at the same time, during the ECMO period, the physiological information and the equipment operation information of a patient are greatly increased, and clinical staff cannot quickly extract the blood oxygen saturation of different parts from various information and judge whether the patient is abnormal, so that the relevant information needs to be subjected to integrated analysis and centralized presentation. Therefore, the monitoring of the blood oxygen saturation level is still to be improved.
Disclosure of Invention
The invention mainly provides a monitoring system and a monitoring method of blood oxygen saturation, which are used for optimizing monitoring of the blood oxygen saturation of a patient.
An embodiment provides a monitoring system comprising:
an extracorporeal circulation device for performing extracorporeal circulation support of a target subject;
a plurality of sensors for detecting physiological parameters of the target object, the physiological parameters including a plurality of blood oxygen saturation levels of a plurality of detection sites;
a processor for determining a plurality of detection sites detected by the plurality of sensors; acquiring, by the plurality of sensors, a plurality of oxygen saturation levels of blood detected at a plurality of detection sites, wherein the plurality of detection sites are different sites;
the processor is further configured to, during the extracorporeal circulation support, uninterruptedly compare a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, and determine whether the difference value is within and/or outside of a predetermined at least one range of values;
when the difference value is within at least one preset numerical range and/or outside the at least one preset numerical range, the processor is further used for outputting at least one reminding message;
and
a display for displaying a monitoring interface including a plurality of physiological parameters of the target subject; the monitoring interface also optionally includes the difference value.
In the monitoring system provided in an embodiment, the numerical range includes an early warning range; when the difference value is within at least one preset value range and/or outside at least one preset value range, outputting at least one reminding message comprises:
when the difference value is within at least one preset early warning range, outputting abnormal reminding information of the patient;
optionally, after the abnormal reminding information of the patient is output, when the difference value is outside the preset at least one early warning range, the reminding information of the improvement of the state of the patient is output.
In the monitoring system according to an embodiment, the value range is set based on the detection portion corresponding to the difference value, or the unified value range is set for the plurality of detection portions.
An embodiment provides a monitoring system, further comprising an input device; the processor determining a plurality of detection sites detected by the plurality of sensors, comprising:
displaying a configuration interface on a display interface of the display, wherein a user inputs a plurality of detection parts of the plurality of sensors; receiving user input through the input device; determining the plurality of detection parts input by the user as the detection parts corresponding to the plurality of sensors respectively; or
Acquiring a bedside image of the target object, wherein the bedside image comprises an image of the target object and images of the plurality of sensors; and recognizing a plurality of detection parts detected by the plurality of sensors from the bedside image.
An embodiment provides a monitoring system, wherein the processor compares a difference between blood oxygen saturation levels of at least two of the plurality of detection sites to obtain a difference value, comprising:
selecting a set of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites according to a preset association relationship between the detection sites; the set of blood oxygen saturation levels comprises blood oxygen saturation levels of at least two associated detection sites; the difference in blood oxygen saturation of the at least two associated detection sites can be used as a basis for determining a symptom;
the difference between the blood oxygen saturation levels in the group is compared to obtain a difference value.
An embodiment provides a monitoring system wherein the at least two associated detection sites are located in at least one of an upper body region, a lower body region, a brain region, a limb region, a trunk region, a venous region, and an arterial region;
an embodiment provides a monitoring system wherein the at least two associated detection sites are located on the catheterized side and/or on the non-catheterized side.
In the monitoring system provided in an embodiment, the numerical range includes a first warning range;
the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, including:
comparing a difference between the first blood oxygen saturation and the second blood oxygen saturation to obtain a first difference value; wherein the first blood oxygen saturation level is detected at least one detection site of an upper body region of the target subject and the second blood oxygen saturation level is detected at least one detection site of a lower body region of the target subject;
the reminding information comprises corresponding reminding information when the preset first difference value is within the first early warning range and/or the first difference value is outside the first early warning range.
In the monitoring system provided in an embodiment, the numerical range includes a second warning range;
the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, including:
comparing the difference between the third blood oxygen saturation and the fourth blood oxygen saturation to obtain a second difference value; wherein the third blood oxygen saturation level is detected at least one detection site in a region of a left lower limb of the target subject, and the fourth blood oxygen saturation level is detected at least one detection site in a region of a right lower limb of the target subject;
the reminding information comprises corresponding reminding information when the preset second difference value is within the second early warning range and/or the second difference value is outside the second early warning range.
In the monitoring system provided in an embodiment, the numerical range includes a third warning range;
the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, including:
comparing the difference between the fifth blood oxygen saturation level and the sixth blood oxygen saturation level to obtain a third difference value; wherein the fifth blood oxygen saturation level is detected at least one detection site of the upper left body region of the target subject, and the sixth blood oxygen saturation level is detected at least one detection site of the upper right body region of the target subject;
the reminding information comprises corresponding reminding information when the preset third difference value is within the third early warning range and/or the third difference value is outside the third early warning range.
In the monitoring system provided in an embodiment, when the difference value is within a preset at least one of the numerical ranges and/or is outside the preset at least one of the numerical ranges, the display is further configured to display the at least one reminding information on the monitoring interface.
An embodiment provides a monitoring system, further comprising an input device; the processor is further configured to:
receiving operation of a user for the reminding information through the input device; and displaying detail data of the reminding information through the display according to the operation of the user, wherein the detail data comprises numerical values of the two blood oxygen saturation levels corresponding to the difference values and/or trends of the two blood oxygen saturation levels, and optionally further comprises detection parts corresponding to the two blood oxygen saturation levels.
In the monitoring system provided by an embodiment, the monitoring interface includes a human body diagram; the processor is further configured to:
displaying the blood oxygen saturation level of the identified detection site in a region corresponding to the detection site in the human body diagram.
An embodiment provides a monitoring method of blood oxygen saturation, including:
performing extracorporeal circulation support for the target subject;
determining a plurality of detection sites of the target object detected by a plurality of sensors;
acquiring physiological parameters by the plurality of sensors; the physiological parameter includes a plurality of blood oxygen saturation levels of the plurality of detection sites, the plurality of detection sites being different sites;
continuously comparing the difference between the blood oxygen saturation levels of at least two of the plurality of detection sites during the extracorporeal circulation support to obtain a difference value, and determining whether the difference value is within and/or outside of at least one preset numerical range;
when the difference value is within at least one preset numerical range and/or outside the at least one preset numerical range, outputting at least one reminding message;
displaying a monitoring interface including the physiological parameter of the target subject; the monitoring interface also optionally includes the discrepancy value.
One embodiment provides a method wherein the range of values comprises a forewarning range; when the difference value is within a preset at least one numerical range and/or outside the preset at least one numerical range, outputting at least one reminding message, including:
when the difference value is within at least one preset early warning range, outputting abnormal reminding information of the patient;
optionally, after the abnormal reminding information of the patient is output, when the difference value is outside the preset at least one early warning range, the reminding information of the improvement of the state of the patient is output.
In one embodiment, the method sets the value range based on the detection portion corresponding to the difference value, or sets the uniform value range for the plurality of detection portions.
An embodiment provides a method, wherein the determining a plurality of detection sites of a target object detected by a plurality of sensors includes:
displaying a configuration interface on a display interface of the display, wherein a user inputs a plurality of detection parts of the plurality of sensors; receiving user input through the input device; determining the plurality of detection parts input by the user as the detection parts corresponding to the plurality of sensors respectively; or
Acquiring a bedside image of the target object, wherein the bedside image comprises an image of the target object and images of the plurality of sensors; and recognizing a plurality of detection parts detected by the plurality of sensors from the bedside image.
An embodiment provides a method, wherein the comparing the difference between the blood oxygen saturation levels of at least two detection sites of the plurality of detection sites to obtain a difference value comprises:
selecting at least one set of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites according to a preset association relationship between the detection sites; the set of blood oxygen saturation levels includes blood oxygen saturation levels of at least two associated detection sites; the blood oxygen difference of the at least two associated detection parts can be used as a basis for judging a symptom;
the difference between the blood oxygen saturation levels in the groups is compared to obtain a difference value.
An embodiment provides a method wherein the at least two associated detection sites are located in at least one of an upper body region, a lower body region, a brain region, a limb region, a torso region, a vein region and an artery region.
One embodiment provides a method wherein the at least two associated detection sites are located on the catheterized side and/or the non-catheterized side of the extracorporeal circulation apparatus.
One embodiment provides a method wherein the range of values comprises a first forewarning range;
the comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value includes:
comparing a difference between the first blood oxygen saturation and the second blood oxygen saturation to obtain a first difference value; wherein the first blood oxygen saturation level is detected at least one detection site of an upper body region of the target subject, and the second blood oxygen saturation level is detected at least one detection site of a lower body region of the target subject;
the reminding information comprises corresponding reminding information which is preset and the first difference value is within the first early warning range and/or the first difference value is outside the first early warning range.
In one embodiment, the value range includes a second warning range;
the comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value includes:
comparing the difference between the third blood oxygen saturation and the fourth blood oxygen saturation to obtain a second difference value; wherein the third blood oxygen saturation level is detected at least one detection site in a region of a left lower limb of the target subject, and the fourth blood oxygen saturation level is detected at least one detection site in a region of a right lower limb of the target subject;
the reminding information comprises corresponding reminding information which is preset and the second difference value is within the second early warning range and/or the second difference value is outside the second early warning range.
In one embodiment, the method further includes that the value range includes a third warning range;
comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, comprising:
comparing the difference between the fifth blood oxygen saturation level and the sixth blood oxygen saturation level to obtain a third difference value; wherein the fifth blood oxygen saturation level is detected at least one detection site of the upper left body region of the target subject, and the sixth blood oxygen saturation level is detected at least one detection site of the upper right body region of the target subject;
the reminding information comprises corresponding reminding information which is preset and the third difference value is within the third early warning range and/or the third difference value is outside the third early warning range.
An embodiment provides a method, further comprising:
and when the difference value is within at least one preset numerical range and/or outside the at least one preset numerical range, displaying the at least one reminding message on the monitoring interface.
An embodiment provides a method, further comprising:
receiving the operation of the user aiming at the reminding information; displaying detail data of the reminding information according to the operation of the user, wherein the detail data comprises: at least one of a value of two blood oxygen saturation levels corresponding to the difference value, a trend of the two blood oxygen saturation levels, and a detection site corresponding to the two blood oxygen saturation levels.
An embodiment provides a method, further comprising:
displaying the blood oxygen saturation levels of the identified detection sites in the areas corresponding to the detection sites in the human body schematic diagram of the monitoring interface.
An embodiment provides a computer readable storage medium having a program stored thereon, the program being executable by a processor to implement a method as described above.
According to the monitoring system and the monitoring method of the blood oxygen saturation, a plurality of detection parts detected by a plurality of sensors are determined; acquiring, by the plurality of sensors, a plurality of oxygen saturation levels of blood detected at a plurality of detection sites; continuously comparing a difference between blood oxygen saturation levels of at least two of the plurality of detection sites to obtain a difference value; and judging whether the difference value is in at least one preset value range and/or out of at least one preset value range, and if so, outputting at least one reminding message. Therefore, the invention can send out a prompt by judging the difference of the blood oxygen saturation of two different parts, can more comprehensively and timely discover the abnormity of the patient and has good monitoring effect.
Drawings
FIG. 1 is a block diagram of an embodiment of a monitoring system according to the present invention;
FIG. 2 is a block diagram of an embodiment of a monitoring system according to the present invention;
FIG. 3 is a flowchart illustrating a monitoring method of blood oxygen saturation according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an embodiment of an extracorporeal circulation monitoring interface in the monitoring system according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments have been given like element numbers associated therewith. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
According to the monitoring system and the monitoring method of the blood oxygen saturation, the blood oxygen saturation of different parts of the target object is obtained, and when the difference between the two related blood oxygen saturations is large, a prompt is given, so that the abnormality of a patient can be found more comprehensively and timely, and the monitoring effect is good.
Referring to fig. 2, the monitoring system of the present invention comprises a processor 10, a plurality of sensors 20 (two or more), a human-computer interaction device 30, and an extracorporeal circulation apparatus (not shown). The processor 10 is in communication with each of the sensors 20, the human-computer interaction device 30 and the extracorporeal circulation apparatus, respectively.
The extracorporeal circulation device is used for implementing extracorporeal circulation support on a target object. The target object is typically a human, i.e. a patient.
The human-computer interaction device 30 is used for human-computer interaction and comprises an input device 310 and a display 320. The input device 310 is used for receiving input of a user to facilitate various input operations of the user, and may include one or more of a keyboard, a mouse, a trackball, a touch pad, a joystick, a touch display screen, and the like. The display 320 is used to output visual information and may be various types of displays.
The plurality of sensors are used for detecting physiological parameters of the target object, wherein the physiological parameters comprise a plurality of blood oxygen saturation levels of a plurality of detection sites. That is, at least a part of the sensors are blood oxygen saturation sensors, and it is not limited which type of blood oxygen saturation sensor is specifically employed.
The processor 10 obtains the blood oxygen saturation from the sensor, and may also obtain the blood oxygen saturation from other devices (e.g., a central station). After the processor 10 acquires the blood oxygen saturation level, the blood oxygen saturation level is displayed through the display 320. Processor 10 is also configured to compare the blood oxygen saturation level to a preset threshold, which may be indicated by an alarm via display 320. However, this method is based on the alarm of the blood oxygen saturation obtained from a single measurement position, and the blood oxygen saturation can only reflect the result of the position, so that the overall monitoring of the patient is not comprehensive enough. The invention is improved upon in this manner and is described in detail below.
The processor 10 performs monitoring using the blood oxygen saturation levels of a plurality of detection sites, as shown in fig. 3, and includes the following steps:
and step 0, implementing extracorporeal circulation support on the target object by the extracorporeal circulation equipment. Extracorporeal circulation is a life support technique in which cardiovenous blood is drained to the outside of the body by a series of special artificial devices, and is returned to the arterial system in the body after gas exchange, temperature regulation and filtration by an artificial method. Currently, there are various technologies for Extracorporeal circulation, and there are various corresponding Extracorporeal circulation devices, such as an artificial heart-lung machine, an Extracorporeal Membrane Oxygenation (ECMO) device, and the like.
Specifically, the blood oxygen saturation difference at the detection site between some specific regions is too large, which reflects a physiological state abnormality of the patient. Therefore, the processor 10 may select one or more sets of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites according to a preset correlation relationship between the detection sites, each set of blood oxygen saturation levels including the blood oxygen saturation levels of at least two associated detection sites, and the difference in blood oxygen saturation levels of the at least two associated detection sites can be used as a basis for judging a symptom, typically, a physiological state abnormality. Further, the processor 10 compares the difference between the blood oxygen saturation levels in the groups, thereby obtaining a difference value for each group. With the extracorporeal circulation apparatus as a reference, the at least two associated detection sites may be located on both the tube placement side and the non-tube placement side, or may be located on both the tube placement side and the non-tube placement side, respectively. The at least two associated detection sites are located in at least one of an upper body region, a lower body region, a brain region, a limb region, a torso region, a vein region, and an artery region, with reference to a body part. For example, the blood oxygen saturation level of the detection site in the upper body region and the blood oxygen saturation level of the detection site in the lower body region may be grouped into one set, the blood oxygen saturation level of the detection site in the left lower limb region and the blood oxygen saturation level of the detection site in the right lower limb region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the upper body region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the lower body region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the brain region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the four limb region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the trunk region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the vein region may be grouped into one set, the blood oxygen saturation levels of at least two detection sites in the artery region may be grouped into one set, or the like.
The processor 10 acquires physiological parameters of the target object detected by the plurality of sensors 20, and displays a monitoring interface comprising a plurality of physiological parameters of the target object through the display; therefore, daily monitoring of physiological parameters is realized. The monitoring interface may further include a difference value to allow the doctor to know the difference of the blood oxygen saturation levels at different detection sites.
And 4, the processor 10 judges whether the difference value is in at least one preset value range and/or outside the at least one preset value range, and outputs at least one reminding message when the difference value is in the at least one preset value range and/or outside the at least one preset value range. For example, the processor 10 determines whether the difference value is within a preset value range, outputs corresponding reminding information if the difference value is within the preset value range, determines whether the difference value is outside of another preset value range, and outputs corresponding reminding information if the difference value is outside of the preset value range. Wherein, the processor 10 outputs at least one reminding message, which may be displayed on the monitoring interface of the display.
The numerical range includes the forewarning range. When the difference value is within at least one preset early warning range, the processor 10 outputs the abnormal reminding information of the patient; the reminding information may be, for example, a prompt message, or an alarm message, and may play a role of reminding the user. Therefore, the invention can more comprehensively and timely discover the abnormity of the patient by judging the difference of the blood oxygen saturation of two different parts, and has good monitoring effect. Certainly, if the difference value is decreased greatly, it indicates that the patient is improving, so after the abnormal reminding information of the patient is output, when the difference value is outside of the preset at least one early warning range, it indicates that the difference value is in the corresponding improvement range, and the processor 10 outputs the reminding information of the patient's condition improvement, and usually, the reminding information is the prompt information. Therefore, the method and the device can enable the user to be more comprehensively reminded and monitored related to the blood oxygen saturation.
Specifically, the processor 10 may respectively determine the difference values of each group, determine whether the difference values of a group are within the corresponding preset early warning range, and output the corresponding warning information of the abnormal symptom when the difference values are within the preset early warning range. Similarly, for each group of the difference values entering the early warning range, the processor 10 may further determine whether the difference values are outside the early warning range, and output a warning message for improving the corresponding abnormal symptom when the difference values are outside the early warning range. In one embodiment, a large difference value requires an alarm, and a smaller difference value indicates an improvement. The early warning range can be set according to the requirements, actual conditions or experience values of the user, and the invention is not limited. Typically, the oxygen saturation of blood at different parts of a patient will not normally differ too much, but this may occur during life support of the patient using extracorporeal circulation.
The monitoring system has a plurality of monitoring modes, including an extracorporeal circulation monitoring mode, specifically an ECMO monitoring mode in this embodiment, and the method shown in fig. 3 is very suitable for this mode. In one embodiment, the user can send an instruction for activating the extracorporeal circulation monitoring mode through the input device, and the processor 10 activates the extracorporeal circulation monitoring mode in response to the instruction, thereby executing the method shown in fig. 3. After the processor 10 starts the extracorporeal circulation monitoring mode, the extracorporeal circulation monitoring interface is displayed by the display, as shown in fig. 4. The extracorporeal circulation monitoring interface comprises an extracorporeal circulation information display area A and a general information display area B. The extracorporeal circulation information display section a is mainly used for displaying physiological parameter data (such as blood oxygen saturation of each type) related to extracorporeal circulation. The general information display area B is mainly used for displaying physiological parameter data (such as respiratory carbon dioxide concentration, body temperature, electrocardiogram, etc.) except physiological parameters related to extracorporeal circulation. The physiological parameter data displayed in the general information display area B is generally the same as the physiological parameter data displayed in other monitoring modes, and is not described herein again. The processor 10 also displays a human body schematic A1 in the extracorporeal circulation information display area a. In this embodiment, the human body diagram A1 is a human body extracorporeal circulation diagram, which not only indicates the human body, but also reflects the extracorporeal blood circulation of the patient. In the process of extracorporeal circulation of the target subject, the processor 10 continuously acquires physiological parameter data of the target subject related to the extracorporeal circulation and physiological parameter data except the physiological parameters related to the extracorporeal circulation through the related sensors, and respectively displays the physiological parameter data in the corresponding extracorporeal circulation information display area a and the corresponding general information display area B.
The above-mentioned range of values may be set according to a corresponding detection portion, that is, the processor 10 sets the range of values based on the detection portion corresponding to the difference value, or all the detection portions may share a range of values, that is, the processor 10 sets a uniform range of values for the plurality of detection portions. In the following embodiments, the first warning range, the second warning range, and the third warning range may be the same or different. As described above, different groups can determine different symptoms, and several examples will be described below.
The first embodiment is as follows:
in step 3, a set of blood oxygen saturation levels includes a first blood oxygen saturation level and a second blood oxygen saturation level. The corresponding numerical range comprises a first early warning range. Wherein the first blood oxygen saturation level is detected at least one detection site of an upper body region of the target subject, and the second blood oxygen saturation level is detected at least one detection site of a lower body region of the target subject. That is, the processor 10 separates a first group of oxygen saturation levels of blood from the oxygen saturation levels of blood at the plurality of detection sites, the first group of oxygen saturation levels of blood including: a first blood oxygen saturation level at the detection site of the upper body region, and a second blood oxygen saturation level at the detection site of the lower body region. The detection part of the upper body region, as the name implies, is only required to be the sensor on the upper body of the patient, and the brain is taken as an example for the description in the present embodiment; similarly, the detection portion of the lower body region may be the lower body of the patient, and the present embodiment will be described with reference to the foot portion as an example.
Further, the processor 10 compares the difference between the first blood oxygen saturation and the second blood oxygen saturation to obtain a first difference value. For example, the processor 10 subtracts the second blood oxygen saturation level from the first blood oxygen saturation level to obtain a difference value, and obtains an absolute value of the difference value to obtain a first difference value.
In step 4, the processor 10 determines whether the first difference value is within a preset first early warning range, and outputs corresponding reminding information when the first difference value is within the preset first early warning range. As shown in fig. 4, the difference between the blood oxygen saturation levels of the right brain and the right foot is not normal, which reflects that the patient may have a north-south syndrome during the extracorporeal circulation, so that corresponding reminding information is sent out, automatic monitoring is realized, the user does not need to search for the relevant blood oxygen saturation level to judge by himself, and the working efficiency of the user is improved. If the first difference value is outside the preset first early warning range, corresponding reminding information can be output, for example, reminding information with normal difference value is output. After the reminding information of the north-south syndrome is output, the processor 10 continues to judge whether the first difference value is within a preset first early warning range, and when the first difference value is not within the first early warning range, the reminding information of the north-south syndrome can be cancelled, and corresponding reminding information is output, for example, the reminding information of improvement of the north-south syndrome is output.
Example two:
in step 3, a set of blood oxygen saturation levels includes a third blood oxygen saturation level and a fourth blood oxygen saturation level. The corresponding numerical range comprises a second early warning range. Wherein the third blood oxygen saturation level is detected at the at least one detection site of the left lower limb region of the target object, and the fourth blood oxygen saturation level is detected at the at least one detection site of the right lower limb region of the target object. That is, the processor 10 separates the second group of oxygen saturation levels of blood from the oxygen saturation levels of blood at the plurality of detection sites. The second set of blood oxygen saturation levels includes: a third blood oxygen saturation level at the detection portion in the left lower limb region, and a fourth blood oxygen saturation level at the detection portion in the right lower limb region. The detection site of the left lower limb area is only required to be provided with a sensor in the left lower limb area of the patient as the name implies, and the left foot is taken as an example in the embodiment; similarly, the detection site of the right lower limb region may be in the right lower limb of the patient, and the present embodiment will be described with reference to the right foot as an example.
Further, the processor 10 compares the difference between the third blood oxygen saturation and the fourth blood oxygen saturation to obtain a second difference value. For example, the processor 10 subtracts the fourth blood oxygen saturation level from the third blood oxygen saturation level to obtain a difference value, and obtains an absolute value of the difference value to obtain a second difference value.
In step 4, the processor 10 determines whether the second difference value is within a preset second early warning range, and outputs corresponding reminding information when the second difference value is within the preset second early warning range. As shown in fig. 4, the difference between the right and left blood oxygen saturation levels is not normal, which reflects that the patient may have limb ischemia during the extracorporeal circulation, so that corresponding reminding information is sent out, automatic monitoring is realized, the user does not need to search the related blood oxygen saturation level to judge by himself, and the working efficiency of the user is improved. If the second difference value is outside the preset second early warning range, corresponding reminding information can be output, for example, reminding information with normal difference value can be output. After the alarm information of the limb ischemia is output, the processor 10 continues to determine whether the second difference value is within the preset second early warning range, and when the second difference value is not within the preset second early warning range, the alarm information of the limb ischemia can be cancelled, and corresponding alarm information is output, such as alarm information for improving the limb ischemia.
Example three:
in step 3, a set of blood oxygen saturation levels includes a fifth blood oxygen saturation level and a sixth blood oxygen saturation level. The corresponding numerical range comprises a third early warning range. Wherein the fifth blood oxygen saturation level is detected at least one detection site of the upper left body region of the target subject, and the sixth blood oxygen saturation level is detected at least one detection site of the upper right body region of the target subject. That is, the processor 10 separates a third group of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites, the third group of blood oxygen saturation levels including: a fifth blood oxygen saturation level at the detection site of the upper left body region, and a sixth blood oxygen saturation level at the detection site of the upper right body region. The detection part of the left upper body area is just like the sensor on the left upper body of the patient as the name suggests; similarly, the detection part of the upper right half body area is only needed to be positioned on the upper right half body of the patient.
The processor 10 then compares the difference between the fifth blood oxygen saturation and the sixth blood oxygen saturation to obtain a third difference value. For example, the processor 10 subtracts the sixth blood oxygen saturation level from the fifth blood oxygen saturation level to obtain a difference value, and obtains an absolute value of the difference value to obtain a third difference value.
In step 4, the processor 10 determines whether the third difference value is within a preset third early warning range, and outputs corresponding reminding information when the third difference value is within the preset third early warning range. If the third difference value is outside the preset third early warning range, corresponding reminding information can be output, for example, reminding information with a normal difference value can be output. After the reminding information of the north-south syndrome is output, the processor 10 continues to judge whether the third difference value is within a preset third early warning range, and when the third difference value is not within the third early warning range, the reminding information of the north-south syndrome can be cancelled, and corresponding reminding information is output, for example, the reminding information of improvement of the north-south syndrome is output.
Of course, the processor 10 may also respectively determine the blood oxygen saturation levels of the plurality of detection portions, determine whether the blood oxygen saturation levels are lower than a preset threshold, and if so, output corresponding reminding information to realize the alarm of the single blood oxygen saturation level.
In the above steps, the processor 10 outputs various kinds of reminding information, which can be output to the display. For example, the processor 10 displays the above-described various kinds of reminding information in the extracorporeal circulation information display area a. If multiple kinds of reminding information exist at the same time, all the reminding information can be displayed in the extracorporeal circulation information display area A at the same time, and the multiple kinds of reminding information which exist at the same time can be displayed in turn at the same position in the extracorporeal circulation information display area A, as shown in fig. 4, the latter is adopted in the embodiment, so that the space of a display interface is saved.
The user can operate the displayed reminding information, such as moving a cursor on the reminding information, clicking the reminding information and the like. The processor 10 receives the operation of the user on the reminding information through the input device; displaying the detail data of the reminding information through a display according to the operation of the user, wherein the detail data comprises: the values of the two blood oxygen saturation levels and/or the trends of the two blood oxygen saturation levels corresponding to the difference values may further include detection sites corresponding to the two blood oxygen saturation levels in some embodiments. In the present embodiment, the trends of the two blood oxygen saturation levels are expressed using waveforms of the two blood oxygen saturation levels. As shown in fig. 4, currently displayed is the reminder information A2 of the north-south syndrome, which is operated by the user, the detail box a21 is displayed, and the detail data of at least the reminder information A2 of the north-south syndrome, such as the detection sites (right brain, right foot, and left foot) including the first blood oxygen saturation level and the second blood oxygen saturation level, the waveforms of the first blood oxygen saturation level and the second blood oxygen saturation level, the values of the first blood oxygen saturation level and the second blood oxygen saturation level, and whether or not the values are below the preset threshold value, are included in the detail box a 21. In the present embodiment, the detail frame a21 includes the detail data of all the pieces of the reminder information, and as can be seen from fig. 4, the detail data of the reminder information of the acral ischemia, which includes the detection portions (left foot and right foot) of the third blood oxygen saturation level and the fourth blood oxygen saturation level, the waveforms of the third blood oxygen saturation level and the fourth blood oxygen saturation level, the numerical values of the third blood oxygen saturation level and the fourth blood oxygen saturation level, and the case of whether or not the values are lower than the preset threshold value, the identification of the detection portion on the contralateral tube side, and the like. The detail box a21 may further include various laboratory index data of blood and data of mechanical ventilation, which may be obtained from clinical laboratory, ventilator, etc., so that the user may quickly grasp various conditions of the patient through the detail box a21, which is very convenient. Of course, in some embodiments, the detail box a21 may also be directly displayed on the extracorporeal circulation monitoring interface, and may be triggered without user operation.
As shown in fig. 4, the processor 10 also displays the blood oxygen saturation level of the identified detection site in the region corresponding to the detection site in the human body diagram A1. That is, where the detected region is, the blood oxygen saturation level is displayed where the human body diagram A1 is located, and if the detected region is the brain, the blood oxygen saturation level of the detected region is displayed near the brain of the human body diagram A1, so that the user can visually see the detected region of the blood oxygen saturation level on the human body diagram A1. In this embodiment, all the blood oxygen saturation levels are displayed in the region corresponding to the detection site in the human body extracorporeal circulation diagram A1.
In one embodiment, the monitoring system may include a monitor and an extracorporeal circulation device. As shown in fig. 1, the monitor includes the human-computer interaction device 30, the sensors 20, a housing, and the processor 10.
The processor 10 is arranged within a housing on which a first interface 110, a second interface 120 and a communication interface 130 are arranged. The processor 10 is in signal connection with the first interface 110, the second interface 120 and the communication interface 130, respectively. The processor 10 is connected to the sensor 20 through the first interface 110, connected to the human-computer interaction device through the second interface 120, and connected to the extracorporeal circulation apparatus through the communication interface 130.
Of course, the human-computer interaction device 30, the processor 10 and the like may be those of extracorporeal circulation equipment. Or, the monitoring system may be integrated into one device, and in short, the form of the monitoring system is not limited, and the above functions can be implemented.
Reference is made herein to various exemplary embodiments. However, those skilled in the art will recognize that changes and modifications may be made to the exemplary embodiments without departing from the scope hereof. For example, the various operational steps, as well as the components used to perform the operational steps, may be implemented in differing ways depending upon the particular application or consideration of any number of cost functions associated with operation of the system (e.g., one or more steps may be deleted, modified or incorporated into other steps).
Additionally, as will be appreciated by one skilled in the art, the principles herein may be reflected in a computer program product on a computer readable storage medium, which is pre-loaded with computer readable program code. Any tangible, non-transitory computer-readable storage medium may be used, including magnetic storage devices (hard disks, floppy disks, etc.), optical storage devices (CD-ROMs, DVDs, blu Ray disks, etc.), flash memory, and/or the like. These computer program instructions may be loaded onto a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions which execute on the computer or other programmable data processing apparatus create means for implementing the functions specified. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including means for implementing the function specified. The computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified.
While the principles herein have been illustrated in various embodiments, many modifications of structure, arrangement, proportions, elements, materials, and components particularly adapted to specific environments and operative requirements may be employed without departing from the principles and scope of the present disclosure. The above modifications and other changes or modifications are intended to be included within the scope of this document.
The foregoing detailed description has been described with reference to various embodiments. However, one skilled in the art will recognize that various modifications and changes may be made without departing from the scope of the present disclosure. Accordingly, the disclosure is to be considered in all respects as illustrative and not restrictive, and all such modifications are intended to be included within the scope thereof. Also, advantages, other advantages, and solutions to problems have been described above with regard to various embodiments. However, the benefits, advantages, solutions to problems, and any element(s) that may cause any benefit, advantage, or solution to occur or become more pronounced are not to be construed as critical, required, or essential. As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, system, article, or apparatus. Furthermore, the term "coupled," and any other variation thereof, as used herein, refers to a physical connection, an electrical connection, a magnetic connection, an optical connection, a communicative connection, a functional connection, and/or any other connection.
Those skilled in the art will recognize that many changes may be made to the details of the above-described embodiments without departing from the underlying principles of the invention. Accordingly, the scope of the invention should be determined from the following claims.
Claims (25)
1. A monitoring system, comprising:
an extracorporeal circulation device for carrying out extracorporeal circulation support on a target subject;
a plurality of sensors for detecting physiological parameters of the target object, the physiological parameters including a plurality of blood oxygen saturation levels of a plurality of detection sites;
a processor for determining a plurality of detection sites detected by the plurality of sensors; acquiring, by the plurality of sensors, a plurality of blood oxygen saturation levels detected at a plurality of detection sites, wherein the plurality of detection sites are different sites;
the processor is further configured to, during the extracorporeal circulation support, uninterruptedly compare a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, and determine whether the difference value is within and/or outside of a predetermined at least one range of values;
when the difference value is within at least one preset numerical range and/or is outside the at least one preset numerical range, the processor is further used for outputting at least one reminding message;
and
a display for displaying a monitoring interface including a plurality of physiological parameters of the target subject; the monitoring interface also optionally includes the discrepancy value.
2. The monitoring system of claim 1, wherein the range of values comprises an early warning range; when the difference value is within at least one preset value range and/or outside at least one preset value range, outputting at least one reminding message comprises:
when the difference value is within at least one preset early warning range, outputting abnormal reminding information of the patient;
optionally, after the abnormal reminding information of the patient is output, when the difference value is outside the preset at least one early warning range, the reminding information of the improvement of the state of the patient is output.
3. The monitoring system according to claim 1 or 2, wherein the value range is set based on the detection site corresponding to the difference value, or the value range is set uniformly for the plurality of detection sites.
4. The monitoring system of claim 1, further comprising an input device; the processor determining a plurality of detection sites detected by the plurality of sensors, comprising:
displaying a configuration interface on a display interface of the display, so that a user can input a plurality of detection parts of the plurality of sensors; receiving user input through the input device; determining the plurality of detection parts input by the user as the detection parts corresponding to the plurality of sensors respectively; or
Acquiring a bedside image of the target object, wherein the bedside image comprises an image of the target object and images of the plurality of sensors; and identifying a plurality of detection parts detected by the plurality of sensors from the bedside image.
5. The monitoring system of claim 1, wherein the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of sensing sites to obtain a difference value, comprising:
selecting a set of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites according to a preset association relationship between the detection sites; the set of blood oxygen saturation levels comprises blood oxygen saturation levels of at least two associated detection sites; the difference in blood oxygen saturation at the at least two associated detection sites can be used as a basis for determining a symptom;
the difference between the blood oxygen saturation levels in the groups is compared to obtain a difference value.
6. The monitoring system of claim 5, wherein the at least two associated detection sites are located in at least one of an upper body region, a lower body region, a brain region, a limb region, a torso region, a venous region, an arterial region, a catheterized side, and a non-catheterized side.
7. The monitoring system of claim 1 or 5, wherein the range of values comprises a first pre-alarm range;
the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, including:
comparing a difference between the first blood oxygen saturation and the second blood oxygen saturation to obtain a first difference value; wherein the first blood oxygen saturation level is detected at least one detection site of an upper body region of the target subject, and the second blood oxygen saturation level is detected at least one detection site of a lower body region of the target subject;
the reminding information comprises corresponding reminding information when the preset first difference value is within the first early warning range and/or the first difference value is outside the first early warning range.
8. The monitoring system of claim 1 or 5, wherein the range of values comprises a second warning range;
the processor compares a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, including:
comparing the difference between the third blood oxygen saturation level and the fourth blood oxygen saturation level to obtain a second difference value; wherein the third blood oxygen saturation level is detected at least one detection site in a region of a left lower limb of the target subject, and the fourth blood oxygen saturation level is detected at least one detection site in a region of a right lower limb of the target subject;
the reminding information comprises corresponding reminding information when the preset second difference value is within the second early warning range and/or the second difference value is outside the second early warning range.
9. The monitoring system of claim 1 or 5, wherein the range of values comprises a third pre-alarm range;
the processor compares a difference between blood oxygen saturation levels of at least two of the plurality of detection sites to obtain a difference value, including:
comparing the difference between the fifth blood oxygen saturation level and the sixth blood oxygen saturation level to obtain a third difference value; wherein the fifth blood oxygen saturation level is detected at least one detection site of the upper left body region of the target subject, and the sixth blood oxygen saturation level is detected at least one detection site of the upper right body region of the target subject;
the reminding information comprises corresponding reminding information when the preset third difference value is within the third early warning range and/or the third difference value is outside the third early warning range.
10. The monitoring system of claim 1, wherein the display is further configured to display the at least one reminder message on the monitoring interface when the difference value is within at least one preset value range and/or outside at least one preset value range.
11. The monitoring system of claim 10, further comprising an input device; the processor is further configured to:
receiving operation of a user for the reminding information through the input device; and displaying detail data of the reminding information through the display according to the operation of the user, wherein the detail data comprises numerical values of the two blood oxygen saturation levels corresponding to the difference values and/or trends of the two blood oxygen saturation levels, and optionally further comprises detection parts corresponding to the two blood oxygen saturation levels.
12. The monitoring system of claim 4, wherein the monitoring interface comprises a human body diagram; the processor is further configured to:
displaying the blood oxygen saturation level of the identified detection site in a region corresponding to the detection site in the human body diagram.
13. A monitoring method of blood oxygen saturation is characterized by comprising the following steps:
performing extracorporeal circulation support for the target subject;
determining a plurality of detection sites of the target object detected by a plurality of sensors;
acquiring physiological parameters through the plurality of sensors; the physiological parameter includes a plurality of blood oxygen saturation levels of the plurality of detection sites, the plurality of detection sites being different sites;
continuously comparing the difference between the blood oxygen saturation levels of at least two of the plurality of detection sites during the extracorporeal circulation support to obtain a difference value, and determining whether the difference value is within a preset at least one numerical range and/or outside the preset at least one numerical range;
when the difference value is within at least one preset numerical range and/or outside the at least one preset numerical range, outputting at least one reminding message;
displaying a monitoring interface including the physiological parameter of the target subject; the monitoring interface also optionally includes the discrepancy value.
14. The method of claim 13, wherein the range of values comprises a forewarning range; when the difference value is in at least one preset value range and/or is outside at least one preset value range, outputting at least one reminding message, including:
when the difference value is within at least one preset early warning range, outputting abnormal reminding information of the patient;
optionally, after the abnormal reminding information of the patient is output, when the difference value is out of the preset at least one early warning range, the reminding information of the improvement of the patient condition is output.
15. The method according to claim 13 or 14, wherein the numerical range is set based on the detection site to which the difference value corresponds, or the numerical range is set uniformly for the plurality of detection sites.
16. The method of claim 13, wherein determining a plurality of detection sites of the target object detected by a plurality of sensors comprises:
displaying a configuration interface on a display interface of the display, so that a user can input a plurality of detection parts of the plurality of sensors; receiving user input through the input device; determining the plurality of detection parts input by the user as the detection parts corresponding to the plurality of sensors respectively; or
Acquiring a bedside image of the target object, wherein the bedside image comprises an image of the target object and images of the plurality of sensors; and recognizing a plurality of detection parts detected by the plurality of sensors from the bedside image.
17. The method of claim 13, wherein comparing the difference between the oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value comprises:
selecting at least one set of blood oxygen saturation levels from the blood oxygen saturation levels of the plurality of detection sites according to a preset association relationship between the detection sites; a set of blood oxygen saturation levels includes blood oxygen saturation levels of at least two associated detection sites; the blood oxygen difference of the at least two associated detection parts can be used as a basis for judging a symptom;
the difference between the blood oxygen saturation levels in the groups is compared to obtain a difference value.
18. The method of claim 17, wherein the at least two associated detection sites are located in at least one of an upper body region, a lower body region, a brain region, a limb region, a torso region, a venous region, an arterial region, a catheterized side, and a non-catheterized side.
19. The method of claim 13 or 17, wherein the range of values comprises a first warning range;
the comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value includes:
comparing a difference between the first blood oxygen saturation and the second blood oxygen saturation to obtain a first difference value; wherein the first blood oxygen saturation level is detected at least one detection site of an upper body region of the target subject and the second blood oxygen saturation level is detected at least one detection site of a lower body region of the target subject;
the reminding information comprises corresponding reminding information which is preset and the first difference value is within the first early warning range and/or the first difference value is outside the first early warning range.
20. The method of claim 13 or 17, wherein the range of values comprises a second warning range;
the comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value includes:
comparing the difference between the third blood oxygen saturation level and the fourth blood oxygen saturation level to obtain a second difference value; wherein the third blood oxygen saturation level is detected at least one detection site in a region of a left lower limb of the target subject, and the fourth blood oxygen saturation level is detected at least one detection site in a region of a right lower limb of the target subject;
the reminding information comprises corresponding reminding information which is preset and the second difference value is within the second early warning range and/or the second difference value is outside the second early warning range.
21. The method of claim 13 or 17, wherein the range of values comprises a third warning range;
comparing a difference between oxygen saturation levels of blood at least two of the plurality of detection sites to obtain a difference value, comprising:
comparing the difference between the fifth blood oxygen saturation level and the sixth blood oxygen saturation level to obtain a third difference value; wherein the fifth blood oxygen saturation level is detected at least one detection site of the upper left body region of the target subject, and the sixth blood oxygen saturation level is detected at least one detection site of the upper right body region of the target subject;
the reminding information comprises corresponding reminding information which is preset and the third difference value is within the third early warning range and/or the third difference value is outside the third early warning range.
22. The method of claim 13, further comprising:
and when the difference value is within at least one preset numerical range and/or outside the at least one preset numerical range, displaying the at least one reminding message on the monitoring interface.
23. The method of claim 13, further comprising:
receiving the operation of the user aiming at the reminding information; displaying detail data of the reminding information according to the operation of the user, wherein the detail data comprises: at least one of a value of two blood oxygen saturation levels corresponding to the difference value, a trend of the two blood oxygen saturation levels, and a detection site corresponding to the two blood oxygen saturation levels.
24. The method of claim 16, further comprising:
displaying the blood oxygen saturation levels of the identified detection sites in the areas corresponding to the detection sites in the human body schematic diagram of the monitoring interface.
25. A computer-readable storage medium, characterized in that the medium has stored thereon a program which is executable by a processor to implement the method of any one of claims 13-24.
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