JP2009537281A - 圧反射活性化と薬物治療を併用した生理反応の特性解析および調節 - Google Patents
圧反射活性化と薬物治療を併用した生理反応の特性解析および調節 Download PDFInfo
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Abstract
Description
or high blood pressure)は、米国だけでも5千万を越える人々が罹患していると推定
される重大な心血管疾患である。これらの高血圧症者のうち、血圧をコントロールしているのは30%にも満たないと報告されている。高血圧症は心不全や卒中の主因である。高血圧症は、米国では、1年に42,000人を越える患者の主要な死因であり、1年間に200,000人を越える患者の第一の死因または死をもたらす要因としてリストされている。したがって、高血圧症は、その治療のためにかなりの研究や開発を必要とする重大な健康問題である。
活性化装置は、検出された生理的変化を分析する際には、電気療法の投与または停止の結果生じるモニターした患者の状態の変化を考慮に入ることができる。自己学習は、電気療法投与の時間および投与量が自然に分かる装置によって容易になる。
心拍変動の減少は副交感神経活動の低下およびそれに付随する交感神経活動の亢進に関連があることが示された。例えば、J. Thomas Bigger, et al, “Components of Heart Rat
e Variability Measured During Healing of Acute Myocardial Infarction” American Journal of Cardiology, Vol. 61 (1988), pp.208-215を参照されたい。例えば、健康な
安静時の心臓では、交感神経活動が心拍数の維持を支配している。しかし、例えば心臓病にかかっているような不健康な心臓では、交感神経活動がより大きな影響力を有し、心拍数を支配し得る。
(A/D)コンバータ208と、マイクロプロセッサコア200が使える時間基準を規定するクロック210とを備えている。1つの実施形態において、CPU104は、比較的長い一連の抽出データに関する計算を実施する信号処理機能(例えば、DSPコアが提供するものなど)を有する。内部のCPUインターコネクト212は、さまざまなCPU構成要素間のインターフェースを提供しており、例えば、データバス、アドレスバス、および制御線(図示せず)などの慣用のデータ交換ハードウエアを含み得る。
、モニターしたデータを(例えば、無線通信などにより)外部のデータ収集装置/分析装置306に無線伝送する。外部データ収集装置/分析装置306は、患者のデータおよび他の関連情報を記録するデータベース308と連動している。また、データベース308は、薬物導入時間枠、患者の測定基線に対して特定タイプの変化を評価する相関則、薬物作用測定情報、および圧反射活性化測定情報をさらに有し得る。1つの実施形態において、データベース308には、さらに、モニターした患者の生理情報についてさまざまな分析を行うための多様なアルゴリズムが書き込まれている。
し、この情報を制御装置426に伝送する。制御装置426は、モニターした患者データを処理し、そのデータを、薬物療法の投与もしくは停止、または電気療法の投与もしくは停止に起因する特定の生理作用を認識する上述技術のいずれかに従って分析するデータ収集装置/データ分析装置428を含み得る。次いで、制御装置426は、必要に応じて患者の血圧を上昇または低下させるように薬物および/または圧反射活性化療法を調整し得る。
Claims (15)
- 自律神経系への薬物関連作用を自動検出する方法であって、
自律神経系の生理的状態を所望間隔で測定するステップと、
自律神経系の生理的状態を所望間隔で記録するステップと、
測定・記録した自律神経系の生理的状態の変化をモニターするステップと、
その変化と対応する薬物投与時間を相関させるステップと
を含む、自律神経系への薬物関連作用を自動検出するように構成された植込み型医療装置を提供することからなる方法。 - 圧反射活性化装置であって、
自律神経系の状態をモニターするように構成されたモニターと、
自律神経系の状態を、高血圧症治療薬の導入または停止に関連する既知作用と相関させるように構成された中央処理ユニットと
を備えた圧反射活性化装置。 - 薬物関連生理的変化を自動的にモニター・検出するシステムであって、
生理的変化を所望間隔で検知するように構成されたセンサーと、
生理的変化を分析し、その変化と薬物送達時間を相関させるように構成された中央処理ユニットと
を備えた植込み装置を備えたシステム。 - 圧反射活性化装置をさらに備えた請求項3に記載のシステム。
- 薬物送達装置をさらに備えた請求項3に記載のシステム。
- 薬物療法と圧反射活性化療法とを併せて施して高血圧症を治療する方法であって、
患者に薬物療法・圧反射活性化療法結合装置を植え込むステップと、
患者に所望間隔で薬物療法と圧反射活性化療法とを送達するステップと
からなる方法。 - 圧反射療法および/または薬物療法の少なくとも一方を送達した後で生理パラメータを測定するステップをさらに含む請求項6に記載の方法。
- 測定した生理パラメータに基づいて薬物療法および/または圧反射活性化療法の少なくとも一方を調整するステップをさらに含む請求項7に記載の方法。
- 生理パラメータを所望間隔で測定するステップを含む請求項6に記載の方法。
- 測定した生理パラメータと、対応する薬物療法および/または圧反射活性化療法の少なくとも一方の送達時間を相関させるステップをさらに含む請求項6に記載の方法。
- 1種以上の高血圧症治療薬を投与する手段を有する植込み型圧反射活性化装置であって、
療法の投与を始動・調整する制御装置手段と、
圧反射活性化療法を送達する手段と、
薬物療法を送達する手段と、
生理パラメータを検知する手段と
を有する装置。 - 方法であって、
植込み型圧反射活性化装置を提供すること、
検知装置を提供すること、
植込み型薬物送達装置を提供すること、
圧反射活性化装置、検知装置および薬物送達装置と操作可能に通信する制御装置を提供すること、および
装置を操作する命令を提供すること
からなる方法であって、
患者に薬物療法装置と圧反射活性化療法装置を植え込むステップと、
患者に所望間隔で薬物療法および圧反射活性化療法を送達するステップと
からなる方法。 - 圧反射療法システムであって、
植込み型圧反射活性化装置、
検知装置
植込み型薬物送達装置、
圧反射活性化装置、検知装置および薬物送達装置と操作可能に通信する制御装置、および
自律神経系の生理的状態を所望間隔で測定するステップと、
自律神経系の生理的状態を所望間隔で記録するステップと、
測定・記録した自律神経系の生理的状態の変化をモニターするステップと、
その変化と対応する薬物投与時間を相関させるステップと
を備えたシステムを操作する有形媒体に記録された命令
を備えた圧反射活性化システム。 - 方法であって、
植込み型圧反射活性化装置を提供すること、
植込み型薬物送達装置を提供すること、
検知装置を提供すること、
圧反射活性化装置、薬物送達装置および検知装置と操作可能に通信する制御装置を提供すること、および
検知装置で患者の心臓電気活性を測定して心臓電気活性データを生成するステップと、
心臓電気活性データを制御装置に伝送するステップと、
心臓電気活性データに基づいて制御装置で心拍変動分析を行うステップと、
心拍変動分析の結果を、植込み型圧反射活性化装置と薬物送達装置の少なくとも一方によって送達される圧反射療法および薬物療法の少なくとも一方を調整できるような患者の自律神経系への作用を判定するための指標を得るステップと
からなる、装置の操作に関する命令を提供すること
からなる方法。 - 圧反射療法システムであって、
植込み型圧反射活性化装置、
検知装置、
植込み型薬物送達装置、
圧反射活性化装置、薬物送達装置および検知装置と操作可能に通信する制御装置、および
検知装置で患者の心臓電気活性を測定して心臓電気活性データを生成するステップと、
心臓電気活性データを制御装置に伝送するステップと、
心臓電気活性データに基づいて制御装置で心拍変動分析を行うステップと、
心拍変動分析の結果を、植込み型圧反射活性化装置と薬物送達装置の少なくとも一方によって送達される圧反射療法および薬物療法の少なくとも一方を調整できるような患者の
自律神経系への作用を判定するための指標を得るステップと
からなる、装置を操作する有形媒体に記録された命令
を備えた圧反射療法システム。
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US20080009916A1 (en) * | 2006-05-19 | 2008-01-10 | Cvrx, Inc. | Applications of heart rate variability analysis in electrotherapy affecting autonomic nervous system response |
US8170668B2 (en) * | 2006-07-14 | 2012-05-01 | Cardiac Pacemakers, Inc. | Baroreflex sensitivity monitoring and trending for tachyarrhythmia detection and therapy |
-
2007
- 2007-05-21 EP EP07809128A patent/EP2029194A2/en not_active Withdrawn
- 2007-05-21 WO PCT/US2007/012131 patent/WO2007136850A2/en active Application Filing
- 2007-05-21 JP JP2009512097A patent/JP2009537281A/ja active Pending
- 2007-05-21 US US11/751,580 patent/US20080051767A1/en not_active Abandoned
Also Published As
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WO2007136850A2 (en) | 2007-11-29 |
WO2007136850A3 (en) | 2008-08-28 |
US20080051767A1 (en) | 2008-02-28 |
EP2029194A2 (en) | 2009-03-04 |
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