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Updated: Jul 15, 2026

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Quantitative Autonomic Testing
Published on: July 19, 2011
慢性心不全における夜間チェイン・ストークス呼吸の予測値
P A Lanfranchi1, A Braghiroli, E Bosimini
1Division of Cardiology, Department of Bioengineering, Salvatore Maugeri Foundation, IRCCS, Veruno, Italy. planfranchi@fsm.it
Circulation
|March 23, 1999
まとめ
チェイン・ストークス呼吸 (CSR) は慢性心不全 (CHF) で一般的であり,不良の結果と関連しています. アプネア/ヒポネア指数 (AHI) は心臓死を予測し,高リスク患者を特定します.
科学分野:
- 心臓病学 心臓病学
- スリープ・メディシン (睡眠医学)
- 肺内医学 肺内医学 肺内医学
背景:
- 夜間チェイン・ストークス呼吸 (CSR) は,慢性心不全 (CHF) 患者で一般的です.
- CSRは,CHFにおける交感性神経系の活性化と関連している可能性があります.
研究 の 目的:
- CHFの患者におけるCSRの予後的意義を調査する.
- CSRの発生がCHF患者の生存に影響するかどうかを判断する.
主な方法:
- 62人のCHF患者 (LVEF ≤35%,NYHAクラスII-III) は,包括的な臨床,エコーカルディオグラフィ,睡眠評価を受けました.
- 睡眠研究では,定期呼吸率と無呼吸/低呼吸指数 (AHI) によって定量化されたCSRが評価されました.
- フォローアップ期間は,心臓病による死亡率を評価するために平均28ヶ月でした.
主要な成果:
- フォローアップ中に15人の患者が心臓疾患で死亡しました.
- 非生存者は,より高いNYHAクラス,より低いLVEF,より大きな心房,およびピークVO2の減少を示した.
- 高いAHIと周期的な呼吸時間の長さは,心臓病による死亡率の増加と有意に関連していました.
- 多変量分析により,AHIと左心房領域が,心臓死亡の独立した予測因子として特定されました.
結論:
- アプネア/ヒポネア指数 (AHI) は,安定したCHF患者における予後不良の強力な独立した予測指標です.
- AHI ≥30/hは,臨床的,エコーカルディオグラフィック,および自律的な測定を超えて追加の予後情報を提供します.
- 増加したAHIと左心房の大きさは,致命的な心臓発作のリスクが非常に高いCHF患者を特定します.
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