用可变循环灌循环导管进行脉冲场切除后的血液溶解
Iwanari Kawamura1, Shinsuke Miyazaki1, Ryosuke Kato1
1Department of Cardiovascular Medicine, Institute of Science Tokyo, Tokyo, Japan.
Pacing and clinical electrophysiology : PACE
|March 17, 2026
概括
使用可变循环灌圆通道 (VLCC) 的脉冲场切除 (PFA) 可以引起血解,由增加的无血血红蛋白表明. 需要进一步的研究来评估不同PFA系统的安全性.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 医疗器械 医疗器械
背景情况:
- 血液溶解是脉冲场切除 (PFA) 的已知并发症.
- 关于PFA诱导的血液溶解的现有数据主要使用Pentaspline导管.
- 关于与其他PFA系统相关的血液溶解的信息有限.
研究的目的:
- 在接受PFA的患者中,用可变循环灌圆通道 (VLCC) 评估血液溶解.
- 评估基于VLCC的PFA的安全性和生物物理效应.
主要方法:
- 七名患有阳性心房的患者使用VLCC和TRUPULSE发电机接受了PFA.
- 程序包括肺静脉和后壁隔离,以组织近距离指示器为指导.
- 在手术前和后测量了无血血红蛋白,胆红素,乳酸脱酶,肌酸激酶和哈普托格洛宾水平.
主要成果:
- 在手术后,无血血红蛋白从0.01至0.05g/dL显著增加 (p < 0.001).
- 胆红素和乳酸脱酶的升高,在50%的患者中呈现低于正常水平的哈普托格洛宾.
- 肌酸激酶显著增加 (p = 0.018);没有观察到急性损伤.
结论:
- 这是第一个使用无血血红蛋白评估基于VLCC的PFA的血液溶解的研究.
- 调查结果强调,需要对PFA系统进行安全性和生物物理效应的个别评估.
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