夜間のロストラル流体シフト:心臓機能不全の男性における阻害性および中央性睡眠呼吸不全の病原性に関する統一概念
Dai Yumino1, Stefania Redolfi, Pimon Ruttanaumpawan
1Toronto General Hospital/University Health Network, 9N-943, 200 Elizabeth St, Toronto, Ontario M5G 2C4, Canada.
Circulation
|March 31, 2010
まとめ
夜間のロストラル液体のシフトは,心臓機能不全患者の障害性睡眠時無呼吸症 (OSA) と中央睡眠時無呼吸症の両方に寄与します. 連続正気圧 (CPAP) は,首に液体の蓄積を防止することによって,OSAを緩和することができます.
科学分野:
- 心臓病学 心臓病学
- 肺内科 肺内科 肺内科
- スリープ・メディシン (睡眠医学)
背景:
- 阻害性睡眠時無呼吸症 (OSA) と中央睡眠時無呼吸症 (CSA) は,心不全 (HF) の患者で一般的です.
- 液体の再分配と首の周長の変化は,睡眠時無呼吸症の病原性に関与しています.
- 連続正気圧 (CPAP) は,OSAに対する一般的な治療法です.
研究 の 目的:
- HF患者における夜間ロストラル液体の流出,首の周長,睡眠時無呼吸症候群の重症度との関係を調査する.
- CPAPがOSAを緩和し,首に液体の蓄積を防ぐかどうかを判断する.
主な方法:
- ポリソムノグラフィは57人のHF患者 (エジェクション分数 ≤45%) に実施されました.
- 測定対象は,足の液体量,首の周回,および皮膚経由のPcoの夜間変化でした.
- 患者は,阻害性優勢と中央優勢のグループに分けられ,OSA患者はCPAPを受けた.
主要な成果:
- 阻害性優勢のOSAでは,足の液体容量は,首の周長とアプネア-ヒポネア指数 (AHI) と逆相関する.
- 中央支配的睡眠時無呼吸症では,足の液体量は,AHIと首周量と逆相関し,Pcoと直接相関する.
- CPAP治療は,OSAを効果的に緩和し,一晩で首周りの伸びを防ぐことができました.
結論:
- 夜間のロストラル液体のシフトは,心不全におけるOSAと中央睡眠時無呼吸の両方の病原性において重要な要因です.
- 液体の再分配は,HF集団内のこれらの睡眠障害において統一的な役割を果たします.
- CPAP治療は,OSAに関連した首の流体シフトの管理に有効性を示しています.
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