左心房功能障碍与患有严重退行性 mitrale 吐症的患者的症状发作有关
Giacomo Ingallina1, Gabriele Paci1, Davide Margonato1
1Cardiovascular Imaging Unit, Cardiothoracic Department, IRCCS San Raffaele Hospital, Milan, Italy.
Cardiovascular ultrasound
|December 1, 2024
概括
左心房功能障碍预测了严重的退行性心房吐 (MR) 中症状的出现. 低LA储备菌株 (LASr) 低于22%有效识别有症状的患者,有助于临床管理.
科学领域:
- 心脏病学 心脏病学
- 心脏成像 - - 心脏成像
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
背景情况:
- 左心房 (LA) 在被动导管之外发挥着至关重要的作用,影响心脏功能.
- 在心肌反 (MR) 中,LA合规性和储功能受损会提高心房压力,导致呼吸不良.
- 斑点跟踪回声心脏图对于评估LA功能和合规性至关重要.
研究的目的:
- 评估左心房功能障碍与严重退行性MR的症状发作之间的相关性.
- 确定左心房功能障碍作为无症状患者症状的潜在预测因素.
- 为严重退行性MR无症状患者的治疗策略提供指导.
主要方法:
- 对401名患有严重退行性MR的患者进行回顾性分析,这些患者正在接受心脏手术评估.
- 分层分为有症状 (NYHA > I) 和无症状 (NYHA = I) 的组.
- 综合性LA功能评估使用LA分数心房变化,LA储压力 (LASr),LASr/E/e'和LA储工作.
主要成果:
- 两组之间没有左心室大小,功能或MR体积的显著差异.
- 心房功能障碍和扩张显著与症状相关.
- 在LA储菌株 (LASr) 中,与症状的关联最强 (AUC:0.85,OR:7.45,p < 0.001).
- <22%的LASr值确定了有症状的患者,具有86%的特异性和68%的敏感性.
结论:
- 严重退行性MR的症状发作与左心房功能障碍密切相关.
- LASr <22%是一个特定和敏感的指标,用于识别有症状的患者.
- 左心房功能障碍评估可以为MR管理的临床决策提供信息.
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