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首页> 外文期刊>Annals of thoracic and cardiovascular surgery: official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia >Feasibility of mitral valve repair using the loop technique.
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Feasibility of mitral valve repair using the loop technique.

机译：使用环路技术进行二尖瓣修复的可行性。

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PURPOSE: The most difficult aspect of chordal replacement in a mitral valve repair using expanded polytetrafluoroethylene (ePTFE) sutures, is determining the appropriate length of artificial chorda and ligation of the ePTFE sutures without the knot sliding. PATIENTS AND METHODS: We adopted a loop technique reported by Mohr et al. in 12 consecutive cases from October 2005. Nine cases were comparative broad-range prolapses of the posterior leaflet, 2 cases were anterior and the posterior leaflet and 1 case was vegetation of the anterior leaflet. Chordal replacement was done by 4 loops in 11 cases and by 8 loops in 1 case. Results: Postoperative echocardiography showed more physiological movement of the posterior leaflet than by the resection suture method. When comparing of the peak pressure gradient across the mitral valve on echocardiography between the loop technique group and the non-loop technique group, the gradient in the loop technique group (n=11) was 1.8+/-0.7 mmHg and in the non-loop techniquegroup (n=18) was 3.2+/-1.0 mm Hg. There was a significant statistical difference between 2 groups. The loop technique also seemed to be superior procedure hemodynamically. CONCLUSION: This technique may be useful through both port-access minimally invasive cardiac surgery (MICS) and a conventional approach to the mitral valve, and simplifying chordal replacement. We report on the feasibility of the loop technique based on our experience.
机译：目的：在使用膨胀的聚四氟乙烯（ePTFE）缝线进行二尖瓣修补术中，更换腱索最困难的方面是确定合适的人工软骨长度和ePTFE缝线的结扎而不会打结。病人和方法：我们采用了Mohr等人报道的循环技术。自2005年10月起连续12例，其中9例为后叶较宽的脱垂，2例为前叶和后叶，1例为前叶植被。和弦更换是通过11个病例的4个循环和1个病例的8个循环进行的。结果：术后超声心动图显示后叶的生理运动比切除缝合法多。当比较循环技术组和非循环技术组之间超声心动图上二尖瓣的峰值压力梯度时，循环技术组（n = 11）的梯度为1.8 +/- 0.7 mmHg，非循环技术组中循环技术组（n = 18）为3.2 +/- 1.0 mm Hg。两组之间有统计学差异。循环技术似乎在血液动力学方面也是一种优越的方法。结论：该技术可通过端口进入式微创心脏手术（MICS）和二尖瓣的常规治疗方法来使用，并且可简化和弦置换。我们将根据我们的经验报告循环技术的可行性。

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