植入后对长期左心室辅助器件结局的影响
J'undra Pegues1, Sina Danesh2, Thomas M Cascino3
1Department of Cardiac Surgery, University of Michigan Frankel Cardiovascular Center, Ann Arbor, Mich.
The Journal of thoracic and cardiovascular surgery
|June 26, 2025
概括
在左心室辅助器件 (LVAD) 植入后显著的植入后腹反 (PI-MR) 与较差的存活率和增加的再入院率有关. 需要进一步的研究来制定预防或治疗PI-MR的策略.
科学领域:
- 心血管医学 心血管医学
- 医疗器械 医疗器械
- 外科手术的结果
背景情况:
- 显著的植入后心肌反 (PI-MR) 对左心室辅助器件 (LVAD) 植入后的结果的影响尚未得到充分证实.
- 当代LVAD治疗涉及先进的设备,需要对PI-MR的作用进行更新的理解.
研究的目的:
- 调查与同时接受LVAD治疗的患者显著PI-MR和长期结果之间的关联.
- 在LVAD植入后识别与PI-MR相关的患者特征.
主要方法:
- 从胸部外科医生协会Intermacs国家数据库 (2017-2021) 分析了2858名使用全磁悬浮离心流LVAD的患者.
- 用Kaplan-Meier和Cox的比例危险建模来评估长期结果,将显著的PI-MR定义为植入后1或3个月中度至严重的反.
主要成果:
- 340名患者 (11.9%) 具有显著的PI-MR. 这些患者年轻,更有可能患有非血性心肌病,并且手术前三腹吐和门干预的比率更高.
- 有意义的PI-MR与显著更差的2年生存率 (79.5% vs 88.3%),再入院风险增加 (HR,1.19) 和随后功能衰竭的发病率更高 (HR,1.84) 相关.
结论:
- 当代LVAD植入后显著的PI-MR是一个独立的不良预后因素.
- 预防或管理PI-MR的有效策略对于改善LVAD患者的长期存活率和减少再入院至关重要.
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