三管环形动力学,而不是直径,预测了米特拉手术后的三管吐:来自前性随机试验的结果
Matteo Pettinari1, Laurent De Kerchove2,3, Michel Van Dyck4
1Cardiac Surgery Department, Ziekenhuis Oost Limburg, Genk, Belgium.
JTCVS open
|July 10, 2023
概括
环状动力学,而不是大小,预测三回的复发和 mitra 门手术后的回归. 年状位移速度和非平面角度是功能三回 (FTR) 管理的关键指标.
科学领域:
- 心血管外科心血管外科
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 心脏成像 - - 心脏成像
背景情况:
- 目前的指导方针建议在关门手术期间进行预防性三管除术,以扩大圆形直径.
- 然而,证据表明环形直径扩大预测晚期吐是不一致的.
- 这项研究调查了功能性三体反 (FTR) 复发的替代预测因子.
研究的目的:
- 为了确定心声学和临床预测中度或重度复发性功能性三角管吐 (FTR) 中心门手术后的预测因素.
- 评估与FTR回归相关的因素.
- 根据环状尺寸,挑战目前关于预防性三巴解体术的指导方针.
主要方法:
- 一项前性随机研究,涉及没有经过三管解剖手术的不严重FTR患者.
- 使用二维和三维心声学来评估门的尺寸和动力学 (环面积,直径,非平面角,球性,收缩,位移,速度).
- 采用Cox回归来模型FTR复发和回归使用临床和心声学参数.
主要成果:
- 随访时间中位数为3.8年,17名患者出现中度/严重的FTR或进展,而13名患者显示FTR回归.
- 环状移位速度成为FTR复发的重要预测因素.
- 非平面角被确定为FTR回归的重要预测因素.
结论:
- 环形动力学,特别是位移速度和非平面角度,比静态环形维度更能预测FTR复发和回归.
- 环状收缩需要进一步研究,作为右心室功能潜在的替代标志物.
- 这些发现表明,需要重新评估基于单独环状扩张的三管结膜术的预防性使用.
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