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Comparison of left ventricular pacing performance among pre-shaped guidewires designed for transfemoral-approach transcatheter aortic valve implantation
Heart and Vessels ( IF 1.5 ) Pub Date : 2021-09-15 , DOI: 10.1007/s00380-021-01938-4
Yudai Tamura 1, 2 , Yuichi Tamura 2 , Yutaka Konami 1 , Hiroto Suzuyama 1 , Eiji Horio 1 , Masahiro Yamada 1 , Toshiharu Sassa 3 , Eiji Taguchi 1 , Yoko Horibata 1 , Ichiro Ideta 3 , Akio Kawamura 2 , Tomohiro Sakamoto 1
Affiliation  

TAVI is an established therapy for patients with severe aortic stenosis. Rapid or control pacing is necessary for TAVI, and most centers are familiar with right ventricular (RV) pacing. Although there are several reports on the efficacy and safety of LV pacing, they are still few. In addition, LV pacing has not been studied for different LV guidewires. Our aim is to study the effectiveness of left ventricular (LV) pacing and the thresholds of LV guidewires in patients who underwent transcatheter aortic valve implantation (TAVI). We retrospectively analyzed 252 consecutive patients who underwent trans-femoral TAVI (TF-TAVI) with LV pacing in our institute between December 2017 and November 2020. We excluded 48 patients from the total cohort due to TAVI with RV pacing, and the remaining 204 patients were analyzed (52 males, mean age 85 ± 5 years). Among them, 202 patients (99.0%) had successful LV pacing. In the two patients with failed LV pacing, SAFARI2™ Small was used. The CONFIDA™ group (n = 34) showed a significantly lower threshold than the SAFARI2™ group (n = 163) (median 3.0 vs. 5.0 V; P = 1.1 × 10–7). LV pacing with Lunderquist® was successful in all patients (n = 7). LV pacing in TAVI was an effective and safe strategy. CONFIDA™ wire may be particularly well suited for LV pacing in TAVI.



中文翻译:

用于经股动脉入路经导管主动脉瓣植入术的预成型导丝的左心室起搏性能比较

TAVI 是严重主动脉瓣狭窄患者的既定疗法。TAVI 需要快速或控制起搏,大多数中心都熟悉右心室 (RV) 起搏。虽然关于 LV 起搏的有效性和安全性的报道有很多,但仍然很少。此外,尚未针对不同的 LV 导丝研究 LV 起搏。我们的目的是研究接受经导管主动脉瓣植入术 (TAVI) 的患者左心室 (LV) 起搏的有效性和 LV 导丝的阈值。我们回顾性分析了 2017 年 12 月至 2020 年 11 月期间在我院接受经股动脉 TAVI (TF-TAVI) 和 LV 起搏的 252 名连续患者。我们从总队列中排除了 48 名因 TAVI 和 RV 起搏的患者,其余 204 名患者进行了分析(52 名男性,平均年龄 85 ± 5 岁)。其中,202例(99.0%)患者左室起搏成功。在两名左室起搏失败的患者中,使用了 SAFARI2™ Small。CONFIDA™ 组(n  = 34) 的阈值明显低于 SAFARI2™ 组 ( n  = 163)(中位数 3.0 对 5.0 V;P  = 1.1 × 10 –7)。Lunderquist® 的 LV 起搏在所有患者中均成功 ( n  = 7)。TAVI 中的 LV 起搏是一种有效且安全的策略。CONFIDA™ 导丝可能特别适用于 TAVI 中的 LV 起搏。

更新日期:2021-09-15
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