Modified Left Atrial Closure Technique Using Barbed Sutures in Robotic Cardiac Surgery: A Single-Center Retrospective Cohort Study

IF 1.3 4区医学 Q3 CARDIAC & CARDIOVASCULAR SYSTEMS

Journal of Cardiac Surgery Pub Date : 2025-07-19 DOI:10.1155/jocs/6477970

Tomonari Uemura, Yasunari Hayashi, Toshikuni Yamamoto, Masato Mutsuga

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Abstract

Background: Reducing operative times and standardizing surgical techniques are important in robot-assisted cardiac surgery. We have implemented V-Loc barbed sutures as a technical refinement to left atrial closure and report our outcomes.

Methods: We retrospectively analyzed 45 consecutive patients who underwent robot-assisted mitral valve repair between January 2023 and September 2024 at Nagoya University Hospital. Patients were divided into two groups: a V-Loc group (n = 29) and a conventional suture group (n = 16). The primary endpoint was left atrial closure time. Secondary endpoints included perioperative complication and reoperation rates.

Results: The V-Loc group demonstrated a shorter left atrial closure time (11 [7.8–13] minutes vs. 16 [14.5–19] minutes in the conventional group, p < 0.01), representing a 31.3% reduction. One patient in the V-Loc group required reoperation due to intercostal vessel bleeding, unrelated to the closure technique. No operative mortality or major complications were encountered in either group. During a median follow-up period of 16 months (up to 27 months), no complications associated with the atrial closure technique were observed.

Conclusions: The use of V-Loc barbed sutures for left atrial closure in robot-assisted mitral valve surgery significantly reduced operative times while maintaining procedural safety. This technique represents a promising approach for standardizing and streamlining robotic cardiac procedures.

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在机器人心脏手术中使用倒钩缝线改良左心房关闭技术：一项单中心回顾性队列研究

背景：减少手术次数和规范手术技术对机器人辅助心脏手术具有重要意义。我们已经实施了V-Loc带刺缝合线作为左心房关闭的技术改进并报告了我们的结果。方法：我们回顾性分析了2023年1月至2024年9月在名古屋大学医院接受机器人辅助二尖瓣修复的45例连续患者。患者分为两组：V-Loc组（29例）和常规缝合组（16例）。主要终点为左心房关闭时间。次要终点包括围手术期并发症和再手术率。结果：V-Loc组左心房关闭时间较常规组短(11 [7.8-13]min vs. 16 [14.5-19] min, p <；0.01)，下降了31.3%。V-Loc组1例患者因与闭合技术无关的肋间血管出血需要再次手术。两组均未发生手术死亡或重大并发症。在中位随访16个月（最长27个月）期间，未观察到心房关闭技术相关的并发症。结论：在机器人辅助二尖瓣手术中，使用V-Loc带刺缝线进行左心房关闭，可显著减少手术次数，同时保证手术安全性。这项技术代表了标准化和简化机器人心脏手术的一种很有前途的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Cardiac Surgery 医学-外科

CiteScore

2.90

自引率

12.50%

发文量

976

审稿时长

3-8 weeks

期刊介绍： Journal of Cardiac Surgery (JCS) is a peer-reviewed journal devoted to contemporary surgical treatment of cardiac disease. Renown for its detailed "how to" methods, JCS''s well-illustrated, concise technical articles, critical reviews and commentaries are highly valued by dedicated readers worldwide. With Editor-in-Chief Harold Lazar, MD and an internationally prominent editorial board, JCS continues its 20-year history as an important professional resource. Editorial coverage includes biologic support, mechanical cardiac assist and/or replacement and surgical techniques, and features current material on topics such as OPCAB surgery, stented and stentless valves, endovascular stent placement, atrial fibrillation, transplantation, percutaneous valve repair/replacement, left ventricular restoration surgery, immunobiology, and bridges to transplant and recovery. In addition, special sections (Images in Cardiac Surgery, Cardiac Regeneration) and historical reviews stimulate reader interest. The journal also routinely publishes proceedings of important international symposia in a timely manner.