在跨导管大动脉植入过程中,上肢与下肢的二次访问:一项随机临床试验
Geert A A Versteeg1, Maxim J P Rooijakkers1, Kimberley I Hemelrijk2
1Department of Cardiology, Radboud University Medical Center, Nijmegen, the Netherlands.
JAMA network open
|October 16, 2024
概括
与下肢方法相比,在输血穿管大动脉植入 (TAVI) 过程中,上肢方法的二次访问显著减少了出血并发症. 应考虑这种方法来改善患者的治疗结果,并降低出血风险.
科学领域:
- 心脏病学 心脏病学
- 干预心脏病学 干预心脏病学
- 血管外科 血管外科
背景情况:
- 穿越骨透管的大动脉植入 (TAVI) 是严重的大动脉狭窄的标准程序.
- 二次访问站点是必要的,用于诊断和临时的节奏领先放置在TAVI.
- 下肢接触,虽然很常见,但与出血并发症有关.
研究的目的:
- 为了比较上肢方法的安全性和有效性与下肢方法的安全性和有效性,以便在转TAVI期间获得二次访问.
- 评估临床相关出血的发生率和其他程序结果.
主要方法:
- 一项随机临床试验 (TAVI XS试验) 涉及238名接受输血TAVI的患者.
- 患者被随机分配1:1到上肢方法 (半径动脉和上臂静脉) 或下肢方法 (大腿动脉和静脉) 进行二次访问.
- 主要终点是临床相关的与接入部位相关的出血 (BARC类型2,3或5) 随着30天的随访.
主要成果:
- 上肢组主要终点出血明显减少 (4.2%对13.4%,或0.28;P=.01).
- 在上肢组中,任何临床相关的出血也较低 (21.0%对34.5%,OR0.51;P=.02).
- 然而,二次访问失败 (11.8%与0.8%,OR15.73;P=.001) 和程序时间 (60.0与48.0分钟;P=.002) 在上肢方法中较高.
结论:
- 在TAVI输血过程中,用于二次访问的上肢方法与相比之下,与下肢方法相比,与临床相关的出血减少有关.
- 应考虑这种方法,以尽量减少TAVI患者周围手术出血并发症.
- 需要进一步评估,以优化上端方法,以减轻增加的访问故障和程序时间.
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