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Updated: Jun 29, 2026

07:27
Implantation of Total Artificial Heart in Congenital Heart Disease
Published on: July 18, 2014
まとめ
複雑な心室動脈や心室上心室動脈をはじめとする頻度の高い不律症は,ミトラル弁の転倒患者でよく見られる. 24時間走行式EKGはこれらの不律を効果的に検出し,トレッドミールと休息時のEKGを上回ります.
科学分野:
- 心臓病学 心臓病学
- 電気生理学 電気生理学
背景:
- ミトラ弁の転倒 (MVP) は,しばしば心律不整症と関連しています.
- MVP患者における不律を検出するための異なる心電図 (ECG) 方法の診断的有用性は,さらに明確にする必要があります.
研究 の 目的:
- 選択されていないMVP患者における不律律症の頻度と複雑さを評価する.
- 休息状態のECGの診断感度,運動トレッドミルのテスト,および24時間歩行中のECGをこれらの不律を検出する際に比較する.
主な方法:
- 24時間AMBULATORY ECGモニタリング,休息ECG,エクササイズトレッドミルのテストは,MVPの患者24人に実施されました.
- 患者は,早発性心房収縮 (PVC) の数に基づいてグループに分けられました.
- 予期せぬ心房収縮 (APC) を含む心律異常は分析されました.
主要な成果:
- アリズム障害は頻発しており,患者の50%は頻繁にPVCを呈し,25%はPVCを全く呈していない.
- 静脈動脈不全を含む複雑な静脈動脈不律は,主にPVCが頻発した患者で発生しました.
- 7人の患者で,上心室高動脈が検出されました.
- 24時間走行心電図は,不律を検出するために,トレッドミールテストや休息心電図よりも敏感でした.
- ピークPVCs/15分とピークAPCs/15分は,24時間の合計数を正確に予測しました.
結論:
- 24時間AMBULATORY ECGモニタリングは,MVP患者における不律の検出に優れています.
- 短いモニタリング期間 (15分) は,24時間の整体不律症負担を予測することができます.
- 患者によって報告された症状とECGの見積もりとの相関は薄弱でした.
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