在左心室辅助器件载体中进行了回声和血液动力学引导的道测试,该载体具有右心室衰竭和大动脉吐
Emanuele Ravetti1,2, Guglielmo Gallone1,2, Francesco Bruno1
1From the Division of Cardiology, Cardiovascular and Thoracic Department, Città della Salute e della Scienza Hospital, Turin, Italy.
概括
左心室辅助器 (LVAD) 患者面临右心室衰竭 (RVF) 和大动脉吐 (AR) 的死亡风险. 血液动力学坡道测试有助于管理这些复杂的,晚发症的并发症.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 临床研究 临床研究
背景情况:
- 左心室辅助装置 (LVAD) 改善了患者的治疗结果,但晚期并发症,如右心室衰竭 (RVF) 和大动脉吐 (AR) 仍然是显著的死亡率驱动因素.
- 持续流动的LVAD生理学和患者特异性因素有助于这些血液动力学相关事件 (HDREs).
研究的目的:
- 介绍一个LVAD患者的病例,同时患有晚期RVF和AR.
- 描述一个全面的血液动力学和心声学引导的坡道测试协议,用于管理复杂的LVAD并发症.
- 强调动态血液动力学评估对分期和指导个性化患者管理的临床实用性.
主要方法:
- 在一个患有RVF和AR的LVAD患者身上进行了一种标准化,逐步的坡道测试协议.
- 在不同的LVAD速度下分析了血液动力学和心声学参数的纵向变化.
- 斜坡测试被用来识别限制最佳血液动力学的形态功能组件.
主要成果:
- 梯田测试成功地揭露了各种因素限制最佳血液动力学的相对贡献.
- 右心室衰竭 (RVF) 被确定为主要的限制因素,这表明大动脉置换可能是徒劳的.
- AR和RVF的共存带来了一个重大的临床挑战,预后不佳.
结论:
- 通过悬崖测试进行动态血液动力学评估对于管理复杂的LVAD并发症,如RVF和AR至关重要.
- 了解血液动力学相关事件 (HDREs) 的自然史对于制定预防和缓解策略至关重要.
- 提高LVAD患者连续性的耐用性需要更好地描述和管理这些晚发症并发症.
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