JP2011524037A - 医療障害パターン検索エンジン - Google Patents
医療障害パターン検索エンジン Download PDFInfo
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Abstract
Description
患者は、聡明かつ勤勉な医療従事者の厳重な警戒の下でさえ、驚くべき率で思いがけなく病棟で死亡する。病院には障害耐性の文化があると議論されてきた。しかしながら、より批判的な分析は、この「耐性」が実際には断念であり、多数の臨床的障害が、十分な技術なしで重複する人間の病態生理学の著しい複雑性を管理するという準備不十分な試行の回避不可能な結果を含むことを明らかにしている。残念ながら、死亡に進行する複雑な病態生理学的障害連鎖を生じるように組み合わさる、何百ものよく見られるが微妙な摂動が、病院内の全患者において潜在的に発生し得る。
本発明の一局面によれば、連鎖的死亡発生(CED)は、一般的に死亡に至る有機体内の異系統から導出される信号および検査に散在する、生物有機体から導出される信号および/または検査の摂動および変動の拡張集約として、検索エンジンによって検出される。一般に、CEDが発生するにつれて、摂動の数、異なる種類の正または負の動向または変動の数、および/または異なる種類の閾値違反の数、および摂動された系統の数が、次第に上昇する。
時系列オブジェクト化プロセッサ336は、その全体があらゆる目的で本明細書に参考として援用される、米国特許出願第11/280,559号および第11/351,449号で規定されているような命令を含有してもよい。したがって、そのようなプロセッサは、入院の過程中に導出される各パラメータの時系列を構築することによって機能し、次いで、各時系列をオブジェクト化してもよい。これらの時系列は、例えば、いくつか例を挙げると、客観的測定値、薬剤投与、注入速度、および主観的臨床スコアを含んでもよい。時系列のうちの少なくともいくつかは、ステップ機能として提供されてもよい。
例えば、いくつか例をあげると、体重、血清ナトリウム値、SPO2、呼吸数、心拍数、薬剤注入速度、鎮静状態スコア、苦痛スコア、昏迷スコア、作業中診断、不安定性スコア、疾病の重症度スコアの時系列が、全て含まれてもよい。これらの時系列から、時系列オブジェクト化プロセッサは、例えば、これらの時系列の全てから導出されるオブジェクトの並列ストリームを含んでもよい、総合「オブジェクト円柱」または時系列マトリクスをレンダリングしてもよい。
1)掘り下げ―介護労働者が、データの詳細および分析の理論的根拠(すなわち、存在する状態および分析がその結論に到達する規則の両方)にナビゲートしてもよい。
2)アスペクト-ある要素/状態を重視し、他の要素/状態を重視しない(および/または除去する)システムへのビューポート
上記のこれら2つの実施例は、一緒に使用されてもよく、医療従事者が垂直(分析のレベルを通した掘り下げ)および水平に(フィルタ/アスペクトを通して)関係ピラミッドを通してナビゲートすることを可能にする。
1.順に、各チャネル408が反復され、名前付き事象492および閾値違反484(関係対を参照せずに識別されてもよい事象)が識別され、チャネル事象ストリーム424の中へ配置される。
2.任意の識別された事象444を候補アルファ事象(特定二進数定義セットにおいて定義されるような)と合致させるように、チャネルストリーム424が反復される。単一の事象444が任意の数のアルファ事象定義に合致してもよく、それぞれ1つが候補アルファ事象と見なされる。
a.各候補アルファ事象に対して、予期されたベータ事象について特定検索領域が調べられる。
i.予期されたベータ事象が利用不可であるか、または破損しているチャネル408の場合
1.ヌル二進数428が作成される(その関連ヌル事象432とともに)
2.反復ヌル420が作成または付加されるべきかどうかを決定するように状態が調べられる
ii.予期された状態が見出された場合
1.収束二進数440が作成される
2.関係事象488が過程において識別されたなら、それが作成され、チャネル事象ストリーム424に追加される
3.反復収束436が作成または付加されるべきかどうかを決定するように状態が調べられる
iii.予期された状態が見出されない場合
1.分岐二進数456が作成される
2.関係事象488が過程において識別されたなら、それが作成され、チャネル事象ストリーム424に追加される
3.反復分岐452が作成または付加されるべきかどうかを決定するように状態が調べられる
3.障害画像構成要素および総合障害画像構成要素が識別される(以下参照)。
1.鼻圧降下と酸素減少との間の類似二進数(736、772、740)
2.酸素減少と酸素上昇との間の起こり得る循環二進数(740、773、748)
3.酸素下限違反の閾値違反と酸素上昇との間の予期された関係(744、768、748)
4.酸素減少と酸素上昇との間の予期された関係(748、770、740)
5.酸素上昇と鼻圧上昇と間の類似二進数(748、774、752)
6.酸素減少と脈拍上昇との間の非存在の検証の二進数(740、771、756)
7.酸素減少と脈拍減少との間の非存在の検証の二進数(740、769、760)
この図は、これらの事象のそれぞれの関係の全てを表すわけではない。これは、睡眠時無呼吸症に焦点を当てた全体的収束モデルの一部の表示の例である。関係および要素は、モデル全体から除去することなく、この図から除去されてもよい(すなわち、エディタが、モデルではなく図から要素を除去する「除去」と、図およびモデル(全ての他の図を含む)から要素を除去する「削除」とを区別する)。事象および関係の全てを示す図が構築されてもよいが、それは、判読不可能なほど大きく複雑になる可能性がある。
1.ヘパリン療法850と治療範囲までのptt上昇858との間の再発検証二進数854
2.ヘパリン療法850と脈拍上昇862との間の非存在の検証の二進数866
3.ヘパリン療法850と血圧降下870との間の非存在の検証の二進数882
4.ヘパリン療法850とヘモグロビン減少874との間の非存在の検証の二進数886
5.ヘパリン療法850と血小板数減少878との間の非存在の検証の二進数890
図12は、以下の二進数定義が特定される、インスリン療法を指す二進数図の追加実施例を提供する。
1.インスリン療法920と治療範囲までの血糖減少924との間の予期二進数922
2.インスリン療法920と血糖違反930との間の非存在の検証の二進数926
3.インスリン療法920と混乱928との間の非存在の検証の二進数926
図13は、以下の二進数定義が特定される、インスリン療法を指す二進数図の追加実施例を提供する。
1.麻酔薬療法940と治療範囲までの苦痛スコア減少(948)との間の再発検証二進数944
2.麻酔薬療法940と酸素減少956との間の非存在の検証の二進数952
3.麻酔薬療法940と血圧降下961との間の非存在の検証の二進数960
4.麻酔薬療法940と呼吸数減少964との間の非存在の検証の二進数962
5.麻酔薬療法940と混乱967との間の非存在の検証の二進数966
図14は、3つの非シーケンス化二進数(970、971、972)が、起こり得るヘパリン誘発性出血を識別するのに十分と定義される、障害画像構成要素エディタの追加実施例を提供する。
進行性連鎖980の画像は、連鎖980に沿って画像内で非常に遅れて現れるため、画像の薬剤治療構成要素982、983が遅すぎることを示す。連鎖980の画像の後期部分はまた、アニオンギャップ985の上昇を備える、非常に不吉なベータも含む。この新規画像構成要素の追加は、連鎖980の成熟画像を提供し、それは、敗血症性ショックの極めて致命的な段階を強く示す。他の画像表示は、例えば、いくつか例を挙げると、時系列の特定の拡張部分、時系列部分に沿った総合障害構成要素の特定の拡張表示、時系列の特定のグループ、グループごとの摂動進行の概観(これの実施例は図19に示されている)であってもよい。
時系列―時系列の形態の未分析データストリーム
事象および摂動―事象定義セット332に従って明確に定義された摂動を表すかどうかについて、それぞれのチャネル内で特徴付けられた事象および閾値違反
全身性反応―二進数定義セット344に従って、事象、閾値違反、摂動、および予期された要素の間の関係を表す、収束、分岐、およびヌル二進数
障害―1人の患者の体内で識別されている障害の画像を表す、総合障害オブジェクト
系統障害―1人の患者の体内で識別されている障害の画像を表す、特定のカテゴリ(呼吸器系等)内の総合障害オブジェクト
障害パターン―患者集団、または、例えば特定の病棟等の特定領域内の障害の動向および障害画像。
時系列―チャネル内のデータ点(例えば、酸素飽和値)
事象および摂動―事象および閾値違反
全身性反応―関係二進数
障害―総合障害オブジェクト
障害パターン―障害動向および相関。
Claims (20)
- データの電子医療記録リポジトリを備える、データベース(308)であって、該データの電子医療記録リポジトリは、少なくとも1つの病院内の複数の患者のデータを含有する、データベースと、
プロセッサ(18)であって、該複数の患者の該データ内の少なくとも1つの複雑な連鎖パターンについて該データベースを検索し、該少なくとも1つの複雑な連鎖パターンを生成する1人以上の患者を識別するための命令でプログラムされる、プロセッサと
を備える、病院監視システム。 - 前記複雑な連鎖パターンの検出時に自動アラームを提供するための命令でプログラムされる、アラームプロセッサを備える、請求項1に記載の病院監視システム。
- 前記複雑な連鎖パターンは、敗血症、重度の敗血症、敗血症性ショック、微小循環障害、およびショックのうちの少なくとも1つの連鎖を含む、請求項1に記載の病院監視システム。
- 前記複雑な連鎖パターンは、次第により多数の摂動された生理学的データおよび検査データの次第に拡大する集約を作成する、生理学的データおよび検査データの少なくとも複数の連関摂動および/または動向を含む、請求項1に記載の病院監視システム。
- 前記複雑な連鎖パターンの少なくとも1つの特性であって、前記複雑な連鎖パターンの重症度、前記複雑な連鎖パターンの持続時間、前記複雑な連鎖パターンの開始時間、前記複雑な連鎖パターンの成熟度、他の事象また別の複雑な連鎖パターンに対する前記複雑な連鎖パターンのタイミング関係、前記複雑な連鎖パターンと関連する費用、前記複雑な連鎖パターンの大域的パターン、前記複雑な連鎖パターンの終結時間、前記複雑な連鎖パターンの構成要素、前記複雑な連鎖パターンの進展状態、前記複雑な連鎖パターンに後続する、または前記複雑な連鎖パターンと関連する在院日数、または前記複雑な連鎖パターンと関連する治療のうちの少なくとも1つを含む、特性を決定するようにさらにプログラムされる、請求項1に記載の病院監視システム。
- 前記複雑な連鎖パターンの少なくとも1つの特性は、該複雑な連鎖パターン、摂動および/または動向の重症度、該複雑な連鎖パターンの影響を受ける系統の数、該複雑な連鎖パターンと関連する摂動に応じた補償の障害の存在、数、および/または重症度を含む、複数の摂動および/または動向のうちの少なくとも1つによって定義される、請求項5に記載の病院監視システム。
- 前記プロセッサ(18)は、前記複雑な連鎖パターンの成長率を決定するための命令を含む、請求項1に記載の病院監視システム。
- 前記プロセッサ(18)は、単位時間あたりに追加されている新規摂動の数および/または重症度の増加、影響を受けた系統の増加数、および異なる系統に存在する摂動の増加数のうちの少なくとも1つによって、前記複雑な連鎖パターンの前記成長率を決定するための命令を含む、請求項1に記載の病院監視システム。
- 前記プロセッサ(18)は、前記複雑な連鎖パターンと時間的および/または空間的に関連するが、該複雑な連鎖パターンの一部ではない、事象または構成要素を検出するための命令を含む、請求項1に記載の病院監視システム。
- 前記プロセッサ(18)は、前記複雑な連鎖パターンを検索するのに好ましい形式に前記電子医療記録を変換するための命令を含む、請求項1に記載の病院監視システム。
- 前記形式は、少なくとも前記データの正変動および負変動を含む、順次および時限変動を含む、請求項10に記載の病院監視システム。
- 前記データの電子医療記録リポジトリは、複数の病院からのデータを含み、前記プロセッサ(18)は、複雑な連鎖パターンを生成している前記患者、および該患者が位置する該病院を識別するための命令を含んでプログラムされる、請求項10に記載の病院監視システム。
- 患者データ処理システムであって、
少なくとも1つの病院の電子医療記録を、生理学的パラメータおよび検査データの両方の少なくとも正の動向および負の動向を含む、順次および時限動向に、変換し、
正および/または負の動向の組み合わせを含む関係動向を検出し、
関係動向の複数の組み合わせを含む複雑な連鎖パターンを検出し、
該検出された複雑な連鎖の画像の表示を自動的に出力し、
該複雑な連鎖の検出および該複雑な連鎖を生成する患者の識別を示す、警告を自動的に出力し、
該複雑な連鎖の成長または減退を追跡し、成長または減退を示す指示を出力する
ようにプログラムされる、プロセッサ18を備える、患者データ処理システム。 - 前記複雑な連鎖パターンは、生理学的障害を示す、請求項13に記載の患者データ処理システム。
- 前記生理学的障害は、敗血症、重度の敗血症、敗血症性ショック、および微小循環障害、ショック連鎖、および敗血症性ショック連鎖のうちの少なくとも1つである、請求項13に記載の患者データ処理システム。
- 前記プロセッサ(18)は、検出された前記連鎖の種類の指示を決定し、出力するための命令を含む、請求項13に記載の患者データ処理システム。
- 前記プロセッサ(18)は、前記連鎖に沿った少なくとも前記動向のタイミングおよび種類の指示を決定し、出力するための命令を含む、請求項13に記載の患者データ処理システム。
- 前記プロセッサ(18)は、少なくとも前記連鎖の長さの指示を決定し、出力するための命令を含む、請求項13に記載の患者データ処理システム。
- 前記プロセッサ(18)は、少なくとも前記連鎖に関する治療法のタイミングの指示を決定し、出力する、治療法の開始を検出するための命令を含む、請求項13に記載の患者データ処理システム。
- 病院の電子医療記録を処理するための患者データ処理システムであって、
少なくとも各患者の生理学的状態および/またはケアに関するデータを含む、該病院内の複数の患者の少なくとも一部分のデータの時系列を生成し、
少なくとも監視されたデータセットおよび検査データセットを含む、データセットを並列および重複時系列に変換し、
炎症の発生、代謝の発生、容積測定の発生、血流力学的発生、治療法の発生、血液学的発生、または呼吸の発生を含む発生を識別し、
該発生のタイミングを識別し、
敗血症連鎖、肺塞栓症連鎖、代謝連鎖、または微小循環障害連鎖のうちの少なくとも1つの障害連鎖を示す複数の時系列に沿って、発生の少なくとも1つの関係パターンを識別し、
該障害連鎖が検出されるとアラームを出力する
ようにプログラムされる、プロセッサ(18)を備える、システム。
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JP5474937B2 (ja) | 2014-04-16 |
US20090281838A1 (en) | 2009-11-12 |
US10354753B2 (en) | 2019-07-16 |
WO2009137682A1 (en) | 2009-11-12 |
CA2722773C (en) | 2015-07-21 |
AU2009244200B2 (en) | 2012-10-18 |
JP2014075154A (ja) | 2014-04-24 |
CA2722773A1 (en) | 2009-11-12 |
EP2283443A1 (en) | 2011-02-16 |
AU2009244200A1 (en) | 2009-11-12 |
US20130218600A1 (en) | 2013-08-22 |
US20160378952A9 (en) | 2016-12-29 |
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