Navitor经导管心脏瓣膜输送系统的初始方向对最终瓣膜定位和冠状动脉通路的影响。

IF 3.1 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Hirokazu Miyashita, Tomoki Ochiai, Daisuke Sato, Yoichi Sugiyama, Kunihiko Shimizu, Noriaki Moriyama, Koki Shishido, Futoshi Yamanaka, Kazuki Tobita, Takashi Matsumoto, Shingo Mizuno, Yutaka Tanaka, Masato Murakami, Shigeru Saito
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引用次数: 0

摘要

在经导管主动脉瓣植入术(TAVI)中,Navitor经导管心脏瓣膜(THV)的初始部署方向对经导管主动脉瓣植入术(TAVI)中最终瓣膜位置的影响,采用植入术后计算机断层扫描(CT)评估的数据很少。本研究旨在评估Navitor THV的初始定位对最终定位和与冠状动脉的新交联重叠的影响。此外,我们还评估了Navitor THV的关节错位(CMA)发生率及其对冠状动脉通路和短期瓣膜性能的影响。对77例tavi术后CT进行分析。冠状动脉严重重叠与THV新连接被定义为间隔0°-20°。CMA根据与原comm裂隙的角度偏差进行分类:对齐(0°-15°)、轻度(15°-30°)、中度(30°-45°)和重度(45°-60°)。Navitor通过股动脉置入,锁定按钮朝向3,6,9和12点钟位置。初始导航器THV部署方向对严重冠状动脉重叠的发生率无影响。重度CMA在3点钟位置占80.0%,6点钟位置占66.7%,9点钟位置占53.8%,12点钟位置占42.2% (p = 0.12)。严重的CMA与TAVI后冠状动脉插管成功率、短期瓣膜血流动力学或低减薄小叶增厚的发生率无关。初始导航器THV定位不影响冠状动脉重叠或CMA。此外,Navitor THV的CMA不影响冠状动脉通路或短期瓣膜性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Impact of initial direction of Navitor transcatheter heart valve delivery system on final valve orientation and coronary access.

Data on the impact of the initial Navitor transcatheter heart valve (THV) deployment orientation on the final valve orientation in transcatheter aortic valve implantation (TAVI) assessed using post-implantation computed tomography (CT) is scarce. This study aimed to assess the impact of the initial deployment orientation of Navitor THV on the final orientation and neocommissural overlap with the coronary arteries. Additionally, the incidence of commissural misalignment (CMA) of Navitor THV and its impact on coronary access and short-term valve performance were evaluated. Post-TAVI CT was analysed in 77 patients. Severe coronary artery overlap with THV neocommissure was defined as 0°-20° apart. CMA was categorized by angle deviation from the native commissures: aligned (0°-15°), mild (15°-30°), moderate (30°-45°), and severe (45°-60°). The Navitor delivery system was introduced via the femoral artery with the lock button facing the 3, 6, 9, and 12 o'clock positions. Initial Navitor THV deployment orientation had no impact on the incidence of severe coronary artery overlap. Severe CMA was observed in 80.0% at 3 o'clock, 66.7% at 6 o'clock, 53.8% at 9 o'clock, and 42.2% at 12 o'clock position (p = 0.12). Severe CMA was not associated with the success rate of coronary cannulation after TAVI, short-term valve haemodynamics, or the incidence of hypoattenuated leaflet thickening. Initial Navitor THV orientation did not affect coronary artery overlap or CMA. Moreover, CMA of the Navitor THV did not affect coronary access or short-term valve performance.

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来源期刊
Cardiovascular Intervention and Therapeutics
Cardiovascular Intervention and Therapeutics CARDIAC & CARDIOVASCULAR SYSTEMS-
CiteScore
6.30
自引率
12.50%
发文量
68
期刊介绍: Cardiovascular Intervention and Therapeutics (CVIT) is an international journal covering the field of cardiovascular disease and includes cardiac (coronary and noncoronary) and peripheral interventions and therapeutics. Articles are subject to peer review and complete editorial evaluation prior to any decision regarding acceptability. CVIT is an official journal of The Japanese Association of Cardiovascular Intervention and Therapeutics.
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