JP2022531292A - 機械学習による不整脈検出の可視化 - Google Patents
機械学習による不整脈検出の可視化 Download PDFInfo
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Abstract
Description
・平均心拍数(HR)は、毎分40拍(BPM)から120BPMの範囲、
・0.01秒から0.5秒の範囲の波形のRRV、
・p波ありとp波なしのQRS群。
言い換えれば、コンピューティングシステム24は、これらのようなシミュレートされた心臓電位図データの特徴に基づいて機械学習システム150の分析を「説明」し、これは、この分野の専門家にとってより理解しやすく、「現実世界」の重要性を持っている可能性がある。
Claims (13)
- コンピューティングデバイスであって、
記憶媒体と、
処理回路であって、前記記憶媒体に動作可能に結合されており、かつ
医療デバイスによって感知された心臓電位図データを受信することと、
複数の患者についての心臓電位図データを使用してトレーニングされた機械学習モデルを、前記受信された心臓電位図データに適用して、
前記機械学習モデルに基づいて、不整脈のエピソードが前記患者に発生したと判定し、かつ
前記不整脈のエピソードが前記患者に発生したという前記判定における信頼性のレベルを判定することと、
前記不整脈のエピソードが前記患者に発生したという前記判定における前記信頼性のレベルが、所定の閾値よりも大きいと判定することと、
前記信頼性のレベルが前記所定の閾値よりも大きいと判定することに応答して、前記心臓電位図データの少なくとも一部分、前記不整脈のエピソードが前記患者に発生したという第1の指標、および前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの第2の指標を、ユーザに表示するために、出力することと、を行うように構成されている、処理回路と、を含む、コンピューティングデバイス。 - 前記心臓電位図データのうちの前記少なくとも一部分が、心電図(ECG)波形を含み、
前記不整脈のエピソードが患者に発生したという前記第1の指標が、前記ECG波形に対する注釈を含む、請求項1に記載のコンピューティングデバイス。 - 前記第2の指標が、色、画像、光、音、またはテキスト通知のうちの1つ以上を含む、請求項1または2のいずれかに記載のコンピューティングデバイス。
- 前記処理回路が、前記ユーザから、不整脈タイプの選択を受信するようにさらに構成されており、
前記機械学習モデルを前記受信された心臓電位図データに適用して、不整脈のエピソードが前記患者に発生したと判定するために、前記処理回路が、前記機械学習モデルを前記受信された心臓電位図データに適用して、前記選択された不整脈タイプの不整脈のエピソードが前記患者に発生したと判定するように構成されており、
前記心臓電位図データの前記少なくとも一部分、前記不整脈のエピソードが前記患者に発生したという前記第1の指標、および前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標を出力するために、前記処理回路が、前記心臓電位図データの前記少なくとも一部分、前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという第1の指標、および前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標を出力するように構成されている、請求項1~3のいずれかに記載のコンピューティングデバイス。 - 前記処理回路が、前記ユーザが基本ユーザであることを判定するように構成されており、
前記心臓電位図データの前記少なくとも一部分、前記不整脈のエピソードが前記患者に発生したという前記第1の指標、および前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標を出力するために、前記処理回路が、前記ユーザが基本ユーザであると判定することに応答して、前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという前記第1の指標、および前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標、ならびに
前記患者の心電図(ECG)波形、
不整脈のエピソードを提示する第1のECG波形の第1の表現、および
正常な心臓の挙動を提示する第2のECG波形の第2の表現、のうちの1つ以上を出力するように構成されている、請求項1~4のいずれかに記載のコンピューティングデバイス。 - 前記処理回路が、前記ユーザが高度なユーザであると判定するように構成されており、
前記心臓電位図データの前記少なくとも一部分、前記不整脈のエピソードが前記患者に発生したという前記第1の指標、および前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標を出力するために、前記処理回路が、前記ユーザが高度なユーザであると判定することに応答して、前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという前記第1の指標、および前記選択された不整脈タイプの前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの前記第2の指標、ならびに
前記患者の心電図(ECG)波形、
前記不整脈のエピソードの開始時間、
前記不整脈のエピソードの停止時間、
前記不整脈のエピソード中の前記患者の平均R-R間隔、
前記不整脈のエピソード中の前記患者のR-R変動、
前記患者のベースラインR-R間隔、
前記不整脈のエピソード中の前記患者のP波、
前記患者のベースラインP波、および
前記患者の形態変動のうちの1つ以上を出力するように構成されている、請求項1~5のいずれかに記載のコンピューティングデバイス。 - 前記患者における前記不整脈のエピソードが、徐脈、頻脈、心房細動、心室細動、または房室ブロックのエピソードのうちの少なくとも1つである、請求項1~6のいずれかに記載のコンピューティングデバイス。
- 前記複数の患者の心臓電位図データを使用してトレーニングされた前記機械学習モデルが、複数の心電図(ECG)波形を使用してトレーニングされた機械学習モデルを含み、各ECG波形が、前記複数の患者のうちのある患者における1つ以上の不整脈のエピソードで標識されている、請求項1~7のいずれかに記載のコンピューティングデバイス。
- 前記機械学習モデルを前記受信された心臓電位図データに適用するために、前記処理回路が、前記機械学習モデルを、
前記患者の心電図(ECG)データ、
前記患者における不整脈に相関する特徴、
前記患者における不整脈のタイプ、
前記植え込み型医療デバイスの活動レベル、
前記植え込み型医療デバイスの入力インピーダンス、または
前記植え込み型医療デバイスのバッテリレベル、のうちの少なくとも1つに適用するように構成されている、請求項1~8のいずれかに記載のコンピューティングデバイス。 - 前記心臓電位図データの前記少なくとも一部分を出力するために、前記処理回路が、
前記患者の心電図(ECG)のサブセクションを識別することであって、前記サブセクションが、前記不整脈のエピソード前の第1の期間、前記不整脈のエピソード中の第2の期間、および前記不整脈のエピソード後の第3の期間についてのECGデータを含み、前記患者の前記ECGの時間の長さが、前記第1、第2、および第3の期間よりも長い、識別することと、
前記ECGのサブセクションを出力することと、を行うように構成されている、請求項1~9のいずれかに記載のコンピューティングデバイス。 - 前記所定の閾値が、第1の所定の閾値であり、
前記処理回路が、前記不整脈のエピソードが前記患者に発生したという前記判定における前記信頼性のレベルが前記第2の所定の閾値よりも大きいか否かを判定するようにさらに構成され、前記第2の所定の閾値が前記第1の所定の閾値よりも大きく、
前記信頼性のレベルが前記所定の閾値よりも大きいという判定に応答して、前記心臓電位図データの前記少なくとも一部分、前記第1の指標、および前記第2の指標を出力するために、前記処理回路が、
前記信頼性のレベルが前記第1の所定の閾値よりも大きいが前記第2の所定の閾値よりも大きくないという判定に応答して、前記心臓電位図データの少なくとも一部分、前記第1の指標、および前記不整脈のエピソードが前記患者に発生したという信頼性の中レベルの指標を出力することと、
前記信頼性のレベルが前記第1の所定の閾値よりも大きく、前記第2の所定の閾値よりも大きいという判定に応答して、前記心臓電位図データの前記少なくとも一部分、前記第1の指標、および前記不整脈のエピソードが前記患者に発生したという信頼性の高レベルの指標を出力することと、を行うように構成される、請求項1~10のいずれかに記載のコンピューティングデバイス。 - コンピューティングデバイスであって、
処理回路を含むコンピューティングデバイスによって、医療デバイスにより感知された心臓電位図データを受信するための手段と、
複数の患者についての心臓電位図データを使用してトレーニングされた機械学習モデルを、前記コンピューティングデバイスによって、前記受信された心臓電位図データに適用する手段であって、
前記機械学習モデルに基づいて、不整脈のエピソードが前記患者に発生したと判定し、かつ
前記不整脈のエピソードが前記患者に発生したという前記判定における信頼性のレベルを判定し、
前記不整脈のエピソードが前記患者に発生したという前記判定における前記信頼性のレベルが、所定の閾値よりも大きいと判定する手段と、
前記コンピューティングデバイスによって、前記心臓電位図データの少なくとも一部分、前記不整脈のエピソードが前記患者に発生したという第1の指標、および前記不整脈のエピソードが前記患者に発生したという前記信頼性のレベルの第2の指標を、ユーザに表示するために、出力する手段と、を含む、コンピューティングデバイス。 - 請求項1~12のいずれかに記載のコンピューティングデバイスを含むシステム。
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WO2024023927A1 (ja) * | 2022-07-26 | 2024-02-01 | 日本電信電話株式会社 | 推定装置、推定方法、推定モデル生成装置、推定モデル生成方法及びプログラム |
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CN113795193A (zh) | 2021-12-14 |
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