First Department of Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan.
Gen Thorac Cardiovasc Surg. 2024 Mar;72(3):202-205. doi: 10.1007/s11748-023-01981-0. Epub 2023 Oct 26.
Stabilizing the aorto-ventricular junction is integral in aortic valve repair. We report our technique of internal circular suture annuloplasty. We used a continuous horizontal mattress suture of a single thick expanded polytetrafluoroethylene suture (CV-3). We put 4 stitches per sinus, so the suture was below the cusp attachment line at the nadirs and passed through the interleaflet triangle at the upper aorto-ventricular junction level. The suture was reinforced with pericardial pledgets on both sides of each commissure. We used this technique in 12 patients. The diameter of aorto-ventricular junction was reduced from 25 ± 2 mm to 22 ± 1 mm (n = 11) and was 22 ± 1 mm at the latest follow-up (4-74 months, median 41, n = 10). In 2 patients with large aorto-ventricular junction (27 mm or more), expected annular reduction was not achieved. Our modified technique is simple and seems durable. It may be useful for mild annular dilatation.
稳定房室交界区是主动脉瓣修复的重要组成部分。我们报告了我们的内部环形缝线瓣环成形术技术。我们使用了一条连续的水平褥式单股厚膨体聚四氟乙烯缝线（CV-3）。我们在每个窦内缝 4 针，因此缝线在瓣叶附着线的最低点下方，并穿过上房室交界区水平的瓣叶间三角。每对交界的两侧都用心包垫片加固缝线。我们在 12 例患者中使用了这种技术。房室交界区的直径从 25±2mm 缩小到 22±1mm（n=11），在最近的随访（4-74 个月，中位数 41，n=10）时为 22±1mm。在 2 例房室交界区较大（27mm 或更大）的患者中，未达到预期的瓣环缩小。我们改良的技术简单且似乎持久。它可能对轻度瓣环扩张有用。
