CN106491134A - Left auricle of heart measuring method in left atrial appendage occlusion art - Google Patents
Left auricle of heart measuring method in left atrial appendage occlusion art Download PDFInfo
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- CN106491134A CN106491134A CN201610907363.2A CN201610907363A CN106491134A CN 106491134 A CN106491134 A CN 106491134A CN 201610907363 A CN201610907363 A CN 201610907363A CN 106491134 A CN106491134 A CN 106491134A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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Abstract
The present invention relates to the left auricle of heart measuring method in a kind of left atrial appendage occlusion art, i.e., place ball known to actual diameter data in patient body-surface；Using x-ray contrast imaging forming measurement image；Obtain the ball diameter measurement data of ball imaging in measurement image；According to the supplemental characteristic that left auricle of heart needs measurement, corresponding measurement position is marked in left auricle of heart imaging in measurement image, and obtain corresponding left auricle of heart measurement data；Calculate the ratio value of ball diameter measurement data and ball actual diameter data；By left auricle of heart measurement data divided by aforesaid ratio value, so as to obtain left auricle of heart supplemental characteristic.In left auricle of heart measuring method in the left atrial appendage occlusion art, ball diameter measurement data as reference mark will not be affected by the subjective factor of gauger, data are objective, stable, so that it is more accurate to calculate the left auricle of heart supplemental characteristic for obtaining, the certainty of measurement of left auricle of heart supplemental characteristic is correspondingly effectively increased, the operation success rate of left atrial appendage occlusion art is also improve therewith.
Description
Technical field
The present invention relates to the technical field in terms of the method for operating of openheart surgery, and in particular in a kind of left atrial appendage occlusion art
Left auricle of heart measuring method.
Background technology
Auricular fibrillation is clinically modal arrhythmia cordis, Thrombotic stroke be secondary to auricular fibrillation main simultaneously
Disease is sent out, is to cause dead and disabled one of the main reasons, and left auricle of heart is the main portions that atrial fibrillation patients occur thrombus.
Closing left auricle of heart can effectively reduce the stroke event of patients with atrial fibrillation.Technology currently used for closing left auricle of heart includes that surgery is left
Auricle cuts off and intravascular left atrial appendage occlusion.It is basic to there are the shortcomings of wound is big, and complication is more in surgical resection left auricle of heart
It is not used.Intravascular left atrial appendage occlusion art be cardiovascular field technological progress in recent years and apparatus research and development focus, clinical practice
Confirm that closure left auricle of heart can prevent thromboembolism, it is to avoid hemorrhage complication, compliance difference caused by Long-term Oral anticoagulant etc.
Problem, reduces ophthalmic surgical risk and wound.
Intravascular left atrial appendage occlusion art is using ductus arteriosus occluder left auricle of heart, in order to determine the size for placing plugging device, needs
The relative dimensions parameter of left auricle of heart to be measured.The measuring method of conventional left auricle of heart is with sheath (conveying sheath, Swartz sheaths, pigtail
Conduit) a diameter of reference mark.
As depicted in figs. 1 and 2, when inserting WATCHMAN plugging devices and carrying out left atrial appendage occlusion and perform the operation, generally from conveying
Sheath diameter i.e., records the left auricle of heart mouth diameters in x-ray contrastographic picture as reference mark to calculate the diameter of left auricle of heart respectively
Pixel value and the diameter pixel value of conveying sheath, then calculate left auricle of heart mouth diameters, Jin Erxuan according to the actual diameter of conveying sheath
Select the WATCHMAN ductus arteriosus occluder left auricle of hearts of suitable dimension.Should during, use the diameter of conveying sheath as size reference, by
In being affected by sheath material, technique etc., its imaging under x-ray is shown that internal diameter image or external diameter figure are cannot be true
Fixed.In addition there is angulation with x-ray in conveying sheath, and the diameter pixel value for conveying sheath can be because have different angulations between x-ray
And change.And it is not diameter that is fully deployed, therefore measuring in the diverse location of conveying sheath in vivo to convey sheath
Pixel value also differs larger.As shown in figure 3, insert ACP plugging devices carry out left atrial appendage occlusion perform the operation when, then need first to estimate a left side
The size of auricle mouth diameters and touch-down zone diameter, reselection conveying sheath and occluder for left auricle, the conventional Swartz sheaths for adopting
Left auricle of heart radiography is carried out with pigtail catheter, is marked without any reference measure Mark, so more tiny 5F pigtails can only be applied
Bar conduit or Swartz sheaths are measured as reference mark, due to 5F pigtail catheters internal diameter size and measured region size
Have big difference, cause measure error to increase.And in above measurement process, convey the measurement of sheath diameter by gauger subjective because
The factors such as plain measurement position for affecting the conveying sheath larger, such as gauger chooses, measurement gimmick can affect the accurate of measurement
Property.
Content of the invention
The technical problem to be solved is that to provide a kind of measurement reference value for above-mentioned prior art objective stable,
The left auricle of heart measuring method in the left atrial appendage occlusion art of left auricle of heart parameter measurement precision can be effectively improved.
The present invention the adopted technical scheme that solves the above problems is：A kind of left auricle of heart measurement side in left atrial appendage occlusion art
Method, it is characterised in that comprise the steps：
Step one, patient body-surface place actual diameter data known to ball；
Step 2, using x-ray contrast imaging forming measurement image；
Step 3, the ball diameter measurement data for obtaining ball imaging in measurement image；
Step 4, the supplemental characteristic for needing measurement according to left auricle of heart, in measurement image, in left auricle of heart imaging, mark is corresponding
Measurement position, and obtain corresponding left auricle of heart measurement data；
Step 5, the ratio value for calculating ball diameter measurement data and ball actual diameter data；
Step 6, by left auricle of heart measurement data divided by step 5 in ratio value, so as to obtain left auricle of heart supplemental characteristic.
For the ease of operate and remember, the ball be placed near patient body-surface pulmonary valve auscultation area connect juxtaspinal
Region.
Preferably, the placement location of the ball is：Be less than apart from patient body-surface pulmonary valve auscultation area center radius etc.
In the range of 5cm.
The left auricle of heart supplemental characteristic includes left auricle of heart mouth diameters, left auricle of heart depth, left auricle of heart touch-down zone diameter.
Preferably, the ball is radiopaque spheroid.
Easily, the ball is solid steel ball.
Compared with prior art, it is an advantage of the current invention that：Left auricle of heart measurement side in the present invention in left atrial appendage occlusion art
Method, using ball be imaged ball diameter measurement data as reference mark, as ball is under any projection angle of x-ray
Imaging diameter keeps constant, then the ball diameter measurement data as reference mark will not be subject to the subjective factor shadow of gauger
Ring, data are objective, stable, so that the left auricle of heart supplemental characteristic for calculating acquisition is more accurate, correspondingly effectively increase a left side
The certainty of measurement of auricle supplemental characteristic, also improves the operation success rate of left atrial appendage occlusion art therewith.
Description of the drawings
Fig. 1 is the left auricle of heart measuring method figure in prior art in left atrial appendage occlusion art.
Fig. 2 is the measurement figure for conveying sheath diverse location diameter in prior art.
Fig. 3 is to insert ACP plugging devices in prior art to carry out the measuring method figure of left atrial appendage occlusion operation.
Fig. 4 be the embodiment of the present invention in ball in patient body-surface placement region schematic diagram.
Fig. 5 is the measurement figure of the measurement data of left auricle of heart mouth diameters and left auricle of heart depth in the embodiment of the present invention.
Fig. 6 is the contrast imaging figure for being successfully implanted into WATCHMAN plugging devices in the embodiment of the present invention.
Fig. 7 is the measurement figure of the measurement data of left auricle of heart mouth diameters and left auricle of heart touch-down zone diameter in the embodiment of the present invention
With the contrast imaging figure for being successfully implanted into ACP plugging devices.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The left auricle of heart measuring method in left atrial appendage occlusion art in the present embodiment, comprises the steps：
Step one places a reality as shown in figure 4, connecing juxtaspinal region near patient body-surface pulmonary valve auscultation area
Ball known to diameter data, is operated for convenience, and the placement location of ball can be listened with chosen distance patient body-surface pulmonary valve
District center radius is examined less than or equal in the range of 5cm.The pulmonary valve auscultation area bone mark that the ball is placed clearly, will not hide
Operating area in block art, is easy to doctor to be operated and remembered, and pulmonary valve auscultation area does not affect electrocardio prison in art
The positioning with electrocardiographic lead is surveyed, the stickup of the external electrode in Combination operation in three-dimensional mapping system is nor affected on and disturb.
Ball in the present embodiment adopts radiopaque small ball, the diameter of steel ball be selected as needed, such as
The steel ball that sphere diameter is 10mm, the size can be selected to be closely sized to testee, measure error is little and conveniently calculates.
Step 2, using x-ray contrast imaging forming measurement image.
Step 3, the ball diameter measurement data for obtaining ball imaging in measurement image.
Step 4, the supplemental characteristic for needing measurement according to left auricle of heart, in measurement image, in left auricle of heart imaging, mark is corresponding
Measurement position, and obtain corresponding left auricle of heart measurement data.
Step 5, the ratio value for calculating ball diameter measurement data and ball actual diameter data.
Step 6, by left auricle of heart measurement data divided by step 5 in ratio value, so as to obtain left auricle of heart supplemental characteristic.
Aforesaid operations step is can be applicable in WATCHMAN plugging device implant surgeries, is also applicable in the implantation of ACP plugging devices
In operation.
In the case where needing to be implanted into WATCHMAN plugging devices, need to obtain left auricle of heart mouth diameters and left auricle of heart depth
The two left auricle of heart supplemental characteristics.As shown in figure 5, in step 3, ball diameter measurement data is 50mm.Need in step 4
The measurement position of the measurement position and left auricle of heart depth of left auricle of heart mouth diameters is marked, and then obtains the left heart in measurement image
The measurement data of ear mouth diameters is 105.52mm, and the measurement data for obtaining left auricle of heart depth in measurement image is 95.20mm.Step
In rapid five, as the actual diameter data of ball are 10mm, then the ratio of ball diameter measurement data and ball actual diameter data
Example value is 5.In step 6, the left auricle of heart mouth diameters for calculating patient are 105.52mm/5=21.1mm；The left auricle of heart depth of patient
Spend for 95.20mm//5=19.04mm.As shown in fig. 6, can be selected according to the left auricle of heart mouth diameters and left auricle of heart depth of patient
The WATCHMAN plugging devices for selecting 24mm are inserted, so as to complete left atrial appendage occlusion operation.
In the case where needing to be implanted into ACP plugging devices, need to obtain left auricle of heart mouth diameters and left auricle of heart touch-down zone is straight
The two left auricle of heart supplemental characteristics of footpath.As shown in fig. 7, in step 3, ball diameter measurement data is 50mm.In step 4
Need to mark the measurement position of left auricle of heart mouth diameters and the measurement position of left auricle of heart touch-down zone diameter, and then obtain measurement figure
As in, the measurement data of left auricle of heart mouth diameters is 154.97mm, obtains the measurement number of left auricle of heart touch-down zone diameter in measurement image
According to for 145.52mm.In step 5, as the actual diameter data of ball are 10mm, then ball diameter measurement data and ball reality
The ratio value of border diameter data is 5.In step 6, the left auricle of heart mouth diameters for calculating patient are 154.97mm/5 ≈ 31mm；Suffer from
A diameter of 145.52mm//5 ≈ the 29.1mm in the left auricle of heart touch-down zone of person.As shown in fig. 7, the left auricle of heart mouth diameters according to patient
The WATCHMANACP of 30mm can be selected to insert with left auricle of heart touch-down zone diameter, so as to complete left atrial appendage occlusion operation.
In left auricle of heart measuring method in the left atrial appendage occlusion art, the ball diameter measurement data as reference mark will not
Affected by the subjective factor of gauger, data are objective, stable so that the left auricle of heart supplemental characteristic for calculating acquisition is more accurate,
The certainty of measurement of left auricle of heart supplemental characteristic is correspondingly effectively increased, the operation success of left atrial appendage occlusion art is also improve therewith
Rate.
Claims (6)
1. the left auricle of heart measuring method in a kind of left atrial appendage occlusion art, it is characterised in that comprise the steps：
Step one, patient body-surface place actual diameter data known to ball；
Step 2, using x-ray contrast imaging forming measurement image；
Step 3, the ball diameter measurement data for obtaining ball imaging in measurement image；
Step 4, the supplemental characteristic for needing measurement according to left auricle of heart, mark corresponding survey in left auricle of heart imaging in measurement image
Amount position, and obtain corresponding left auricle of heart measurement data；
Step 5, the ratio value for calculating ball diameter measurement data and ball actual diameter data；
Step 6, by left auricle of heart measurement data divided by step 5 in ratio value, so as to obtain left auricle of heart supplemental characteristic.
2. the left auricle of heart measuring method in left atrial appendage occlusion art according to claim 1, it is characterised in that：The ball is put
Put juxtaspinal region is connect near patient body-surface pulmonary valve auscultation area.
3. the left auricle of heart measuring method in left atrial appendage occlusion art according to claim 2, it is characterised in that：The ball
Placement location is：It is less than or equal in the range of 5cm apart from patient body-surface pulmonary valve auscultation area center radius.
4. the left auricle of heart measuring method in the left atrial appendage occlusion art according to claims 1 to 3 any claim, its feature
It is：The left auricle of heart supplemental characteristic includes left auricle of heart mouth diameters, left auricle of heart depth, left auricle of heart touch-down zone diameter.
5. the left auricle of heart measuring method in the left atrial appendage occlusion art according to claims 1 to 3 any claim, its feature
It is：The ball is radiopaque spheroid.
6. the left auricle of heart measuring method in left atrial appendage occlusion art according to claim 5, it is characterised in that：The ball is
Solid steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907363.2A CN106491134A (en) | 2016-10-18 | 2016-10-18 | Left auricle of heart measuring method in left atrial appendage occlusion art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907363.2A CN106491134A (en) | 2016-10-18 | 2016-10-18 | Left auricle of heart measuring method in left atrial appendage occlusion art |
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| Publication Number | Publication Date |
|---|---|
| CN106491134A true CN106491134A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610907363.2A Pending CN106491134A (en) | 2016-10-18 | 2016-10-18 | Left auricle of heart measuring method in left atrial appendage occlusion art |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1799521A (en) * | 2006-01-16 | 2006-07-12 | 孔祥清 | Automatically positioned left auricle block instrument |
| CN101961255A (en) * | 2010-09-28 | 2011-02-02 | 中国人民解放军第二军医大学 | Asymmetric bidiscoidal left atrial appendage occlusion device |
| CN102028510A (en) * | 2010-12-22 | 2011-04-27 | 乐普（北京）医疗器械股份有限公司 | Conveyor device |
| CN103462668A (en) * | 2013-09-13 | 2013-12-25 | 徐州亚太科技有限公司 | Left auricle ligation device |
| CN103892837A (en) * | 2014-03-24 | 2014-07-02 | 浙江省农业科学院 | Method for utilizing pictures to measure waterfoul body size |
-
2016
- 2016-10-18 CN CN201610907363.2A patent/CN106491134A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1799521A (en) * | 2006-01-16 | 2006-07-12 | 孔祥清 | Automatically positioned left auricle block instrument |
| CN101961255A (en) * | 2010-09-28 | 2011-02-02 | 中国人民解放军第二军医大学 | Asymmetric bidiscoidal left atrial appendage occlusion device |
| CN102028510A (en) * | 2010-12-22 | 2011-04-27 | 乐普（北京）医疗器械股份有限公司 | Conveyor device |
| CN103462668A (en) * | 2013-09-13 | 2013-12-25 | 徐州亚太科技有限公司 | Left auricle ligation device |
| CN103892837A (en) * | 2014-03-24 | 2014-07-02 | 浙江省农业科学院 | Method for utilizing pictures to measure waterfoul body size |
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Application publication date: 20170315 |
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