概括
对大动脉吐膜更换的最佳时间是关键. 早期手术,特别是左心室衰竭,改善了结果,并防止了心肌衰竭的死亡.
科学领域:
- 心脏病学 心脏病学
- 心脏外科手术 心脏外科手术
背景情况:
- 大动脉反 (AR) 可以导致严重的症状和心力衰竭.
- 门置换是一种常见的AR治疗方法.
- 确定有利结果的因素对于手术时间至关重要.
研究的目的:
- 分析影响大动脉替换后的结果的因素.
- 为了确定一个有利的术后结果与心肌衰竭死亡的预测因素.
主要方法:
- 对连续100例大动脉置换病例 (1967-1971) 的回顾性分析.
- 对术后幸存者的评估和长期随访 (5-9年).
- 统计分析以确定优秀结果和心肌衰竭死亡之间的歧视变量.
主要成果:
- 78%的幸存者没有症状,58%的幸存者在5-9岁时还活着.
- 不良结果的关键预测因素包括呼吸障碍的严重程度/持续时间,心力衰竭治疗程度,左心室衰竭症状,心胸比率,肺毛细管压力和低心脏指数.
- 造成AR的原因影响了症状进展和结果.
结论:
- 最佳的手术时间对于预防大动脉吐患者的心肌衰竭死亡至关重要.
- 左心室衰竭,即使是轻微的,表明在严重的大动脉反时需要手术.
- 特定的临床和血液动力学变量预测了手术后的结果.
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