JP2016036716A - 血圧測定 - Google Patents
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000009530 blood pressure measurement Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 14
- 230000036581 peripheral resistance Effects 0.000 claims description 5
- 238000010801 machine learning Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 9
- 230000015654 memory Effects 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000003205 diastolic effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000013179 statistical model Methods 0.000 description 5
- 230000035487 diastolic blood pressure Effects 0.000 description 4
- 230000035488 systolic blood pressure Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000013186 photoplethysmography Methods 0.000 description 1
- 230000036387 respiratory rate Effects 0.000 description 1
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02116—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave amplitude
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
- A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7246—Details of waveform analysis using correlation, e.g. template matching or determination of similarity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7278—Artificial waveform generation or derivation, e.g. synthesising signals from measured signals
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/50—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
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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
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/02233—Occluders specially adapted therefor
- A61B5/02241—Occluders specially adapted therefor of small dimensions, e.g. adapted to fingers
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
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- Data Mining & Analysis (AREA)
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Abstract
Description
式中、Ps(グラウンドトルース値)は、被験者の血圧の最高値である。血圧の最高値は収縮期血圧と呼ぶこともできる。さらに、Ptsは収縮期血圧の初期値であり、IOは心室から動脈への血流量である。
式中、Pd(グラウンドトルース値)は、被験者の血圧の最低値である。血圧の最低値は、拡張期血圧と呼ぶこともできる。さらに、Ptdは拡張期血圧の初期値である。
Claims (14)
- 対象の血圧を測定するデバイスであって、
プロセッサと、
前記プロセッサに結合された血圧測定(BPM)モジュールであって、
前記対象に関連する複数のフォトプレスチモグラム(PPG)形態を得ることと、
前記複数のPPG形態及び基準モデルに基づいて、前記対象に関連する1つ又は複数の潜在パラメータを確認することとを実行し、前記基準モデルは、前記複数のPPG形態と前記1つ又は複数の潜在パラメータとの相関を示し、さらに、
前記1つ又は複数の潜在パラメータ及び前記複数のPPG形態に基づいて前記対象の血圧を判定すること、
を実行するBPMモジュールと、
を備えるデバイス。 - 前記BPMモジュールがさらに、前記複数のPPG形態を得るために、前記対象に関連するPPG波形を分析するものである、請求項1に記載のデバイス。
- 時間ドメイン及び周波数ドメインのうち1つで、前記複数のPPG形態から各PPG形態を抽出する、請求項2に記載のデバイス。
- 前記対象に関連する前記1つ又は複数の潜在パラメータが、前記対象の少なくとも動脈コンプライアンス及び末梢抵抗を含む、請求項1に記載のデバイス。
- 対象の血圧を測定する方法であって、
前記対象に関連する複数のフォトプレスチモグラム(PPG)形態を得ることと、
前記複数のPPG形態及び基準モデルに基づいて、前記対象に関連する1つ又は複数の潜在パラメータを確認することと、を含み、前記基準モデルが、前記複数のPPG形態と前記1つ又は複数の潜在パラメータとの相関を示し、さらに、
前記1つ又は複数の潜在パラメータ及び前記複数のPPG形態に基づいて前記対象の血圧を判定することを含む、方法。 - 前記対象に関連する前記1つ又は複数の潜在パラメータが、前記対象の少なくとも動脈コンプライアンス及び末梢抵抗を含む、請求項5に記載の方法。
- 時間ドメイン及び周波数ドメインのうち1つで、前記複数のPPG形態から各PPG形態を抽出する、請求項5に記載の方法。
- 対象の血圧を測定するモデリングシステムであって、
プロセッサと、
前記プロセッサに結合された分析モジュールであって、
複数の被験者の中から各被験者に関連する生理学的データを含むサンプルデータセットを得て、前記生理学的データは、前記被験者に関連する血圧の少なくとも1つのグラウンドトルース値及び前記被験者に関連するPPG波形を含むものであり、さらに、
前記複数の被験者のそれぞれに対して、複数のPPG形態を得るために前記被験者に関連する前記生理学的データを処理し、
前記複数の被験者のそれぞれに対して、前記複数のPPG形態及び前記少なくとも1つのグラウンドトルース値に基づいて、前記被験者に関連する1つ又は複数の潜在パラメータを計算し、
前記複数の被験者それぞれに関連する前記1つ又は複数の潜在パラメータ及び前記PPG形態に基づき、前記対象の血圧を実時間で測定する基準モデルを決定し、前記基準モデルは、前記複数の被験者のそれぞれに関連する前記1つ又は複数の潜在パラメータと前記PPG形態との相関を示す、分析モジュールと、
を含むモデリングシステム。 - 前記分析モジュールがさらに、機械学習技術に基づいて前記基準モデルを決定するものである、請求項8に記載のモデリングシステム。
- 前記分析モジュールがさらに、時間ドメイン及び周波数ドメインのうち1つで、前記PPG波形から前記複数のPPG形態を抽出するものである、請求項8に記載のモデリングシステム。
- 対象の血圧を測定する方法であって、
複数の被験者の中から各被験者に関連する生理学的データを含むサンプルデータセットを受け取ることを含み、前記生理学的データは、前記被験者に関連する血圧の少なくとも1つのグラウンドトルース値及び前記被験者に関連するPPG波形を含むものであり、さらに、
前記複数の被験者のそれぞれに対して、複数のPPG形態を得るために前記被験者に関連する前記生理学的データを処理することと、
前記複数の被験者のそれぞれに対して、前記複数のPPG形態及び前記少なくとも1つのグラウンドトルース値に基づいて、前記被験者に関連する1つ又は複数の潜在パラメータを計算することと、
前記複数の被験者それぞれに関連する前記1つ又は複数の潜在パラメータ及び前記PPG形態に基づき、前記対象の血圧を実時間で測定する基準モデルを決定することと、を含み、前記基準モデルは、前記複数の被験者のそれぞれに関連する前記1つ又は複数の潜在パラメータと前記PPG形態との相関を示す、方法。 - 前記基準モデルの前記決定が、機械学習技術に基づくものである、請求項11に記載の方法。
- 前記処理が、時間ドメイン及び周波数ドメインのうち1つで、前記PPG波形から前記複数のPPG形態を抽出することを含む、請求項11に記載の方法。
- コンピュータ可読命令を有するコンピュータ可読媒体であって、実行されると、これによってデバイスが
対象に関連する複数のフォトプレスチモグラム(PPG)形態を得て、
前記複数のPPG形態及び基準モデルに基づいて、前記対象に関連する1つ又は複数の潜在パラメータを確認し、前記基準モデルは、前記複数のPPG形態と前記1つ又は複数の潜在パラメータとの相関を示し、さらに、
前記1つ又は複数の潜在パラメータ及び前記複数のPPG形態に基づき、前記対象の血圧を判定する、コンピュータ可読媒体。
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IN2593/MUM/2014 | 2014-08-11 | ||
IN2593MU2014 | 2014-08-11 |
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JP2016036716A true JP2016036716A (ja) | 2016-03-22 |
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US (1) | US11357410B2 (ja) |
EP (1) | EP2992820B1 (ja) |
JP (1) | JP6517051B2 (ja) |
CN (1) | CN105361869B (ja) |
AU (1) | AU2015201213B2 (ja) |
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EP2992820A3 (en) | 2016-06-01 |
EP2992820B1 (en) | 2023-05-10 |
JP6517051B2 (ja) | 2019-05-22 |
US20160038044A1 (en) | 2016-02-11 |
US11357410B2 (en) | 2022-06-14 |
AU2015201213A1 (en) | 2016-02-25 |
CN105361869A (zh) | 2016-03-02 |
EP2992820A2 (en) | 2016-03-09 |
CN105361869B (zh) | 2021-02-26 |
AU2015201213B2 (en) | 2020-06-04 |
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