JP2022515087A - 対象者から生理学的尺度を取得するための方法及びシステム - Google Patents
対象者から生理学的尺度を取得するための方法及びシステム Download PDFInfo
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Abstract
Description
心臓系の数値モデルを取得するステップと、
非侵襲的な手法で対象者から生理学的データを取得するステップと、
生理学的データに基づいて数値モデルを更新するステップと、
生理学的データを、更新された数値モデルに提供するステップと、
更新された数値モデルの出力に基づいて生理学的尺度を導出するステップであって、生理学的尺度は圧力-ボリュームループ、すなわちP-Vループを含む、ステップと
を有する方法が提供される。
超音波データと;
心電図データと;
血圧と
のうちの1つ又は複数を含む。
2D超音波画像データと;
3D超音波画像データと;
ドップラ超音波データと
のうちの1つ又は複数を含む。
動脈圧波形と;
カフ圧値と
のうちの1つ又は複数を含む。
圧力-ボリューム関係と;
心臓系の剛性と;
エネルギーの保存と;
質量の保存と;
運動量の保存と
に基づく。
生理学的データに基づいてモデルパラメータを特定するステップと;
モデルパラメータを数値モデルに提供するステップと
を有する。
体循環パラメータと;
充満パラメータと;
駆出パラメータと;
剛性パラメータと
のうちの1つ又は複数を含む。
心臓系の数値モデルを取得することと;
生理学的データに基づいて数値モデルを更新することと;
生理学的データを、更新された数値モデルに提供することと;
更新された数値モデルの出力に基づいて生理学的尺度を導出することであって、生理学的尺度は圧力-ボリュームループ、すなわちP-Vループを含む、ことと
を実施するように適合された処理ユニットが提供される。
非侵襲的な手法で対象者から生理学的データを取得するように適合された生理学的センサと、上述されたプロセッサとを備え、生理学的センサは、
生理学的データが超音波データを含む場合の超音波トランスデューサと;
生理学的データが心電図データを含む場合の心電図センサと;
生理学的データが血圧データを含む場合の血圧測定デバイスと
のうちの1つ又は複数を備える生理学的センサと;
を備えるシステムが提供される。
Claims (15)
- 対象者から生理学的尺度を取得するための方法であって、前記方法は、
心臓系の数値モデルを取得するステップと、
非侵襲的な手法で前記対象者から生理学的データを取得するステップと、
前記生理学的データに基づいて前記数値モデルを更新するステップと、
前記生理学的データを、更新された前記数値モデルに提供するステップと、
更新された前記数値モデルの出力に基づいて生理学的尺度を導出するステップであって、前記生理学的尺度は圧力-ボリュームループを含む、ステップと
を有する、方法。 - 前記生理学的データは、超音波データと
心電図データと血圧とのうちの1つ又は複数を含む、請求項1に記載の方法。 - 前記超音波データは、2D超音波画像データと3D超音波画像データとドップラ超音波データとのうちの1つ又は複数を含む、請求項2に記載の方法。
- 前記血圧は、動脈圧波形とカフ圧値とのうちの1つ又は複数を含む、請求項2又は3に記載の方法。
- 前記数値モデルは、圧力-ボリューム関係と前記心臓系の剛性とエネルギーの保存と質量の保存と運動量の保存とに基づく、請求項1から4のいずれか一項に記載の方法。
- 前記心臓系は、左心室と全身動脈とを含む、請求項1から5のいずれか一項に記載の方法。
- 前記心臓系は心臓を含む、請求項1から6のいずれか一項に記載の方法。
- 前記数値モデルを更新するステップは、前記生理学的データに基づいてモデルパラメータを特定するステップと前記モデルパラメータを前記数値モデルに提供するステップとを有する、請求項1から7のいずれか一項に記載の方法。
- 前記モデルパラメータは、体循環パラメータと充満パラメータと駆出パラメータと剛性パラメータとのうちの1つ又は複数を含む、請求項8に記載の方法。
- 前記生理学的尺度は、圧力-歪み関係を更に含む、請求項1から9のいずれか一項に記載の方法。
- 前記生理学的尺度は、流体反応性を更に含む、請求項1から10のいずれか一項に記載の方法。
- 前記生理学的尺度をユーザに対して表示するステップを更に有する、請求項1から11のいずれか一項に記載の方法。
- コンピュータプログラムコード手段を備えるコンピュータプログラムであって、前記コンピュータプログラムがコンピュータ上で実行されたとき、請求項1から12のいずれか一項に記載の方法を実現する、コンピュータプログラム。
- 対象者から生理学的尺度を取得するための処理ユニットであって、前記処理ユニットは、
心臓系の数値モデルを取得することと、
生理学的データに基づいて前記数値モデルを更新することと、
前記生理学的データを、更新された前記数値モデルに提供することと、
更新された前記数値モデルの出力に基づいて生理学的尺度を導出することであって、前記生理学的尺度は圧力-ボリュームループを含む、ことと
を実施する、処理ユニット。 - 対象者から生理学的尺度を取得するためのシステムであって、前記システムは、非侵襲的な手法で前記対象者から生理学的データを取得する生理学的センサと、請求項14に記載の処理ユニットとを備え、
前記生理学的センサは、
前記生理学的データが超音波データを含む場合の超音波トランスデューサと、
前記生理学的データが心電図データを含む場合の心電図センサと、
前記生理学的データが血圧データを含む場合の血圧測定デバイスと
のうちの1つ又は複数を備える、システム。
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