二尖瓣前叶二级腱索附着与一级腱索脱垂的关联：早期和晚期修复失败的危险因素。
Association of tethering of the second-order chords and prolapse of the first-order chords of the anterior leaflet: A risk factor for early and late repair failure.
作者信息
Calafiore Antonio M, Totaro Antonio, Testa Nicola, Sacra Cosimo, Calvo Eugenio, Di Mauro Michele
机构信息
Department of Cardiovascular Diseases, Gemelli Molise, Campobasso, Italy.
Division of Cardiac Surgery, Gabriele d'Annunzio University, Chieti, Italy.
出版信息
J Card Surg. 2020 Apr;35(4):916-919. doi: 10.1111/jocs.14469. Epub 2020 Feb 19.
BACKGROUND AND AIM
Second-order chord tethering of the anterior leaflet is a risk factor for failure of posterior leaflet prolapse repair.
MATERIALS AND METHODS
We describe two cases of second-order chord tethering of the anterior leaflet associated with severe mitral regurgitation due to prolapse or chordal rupture of the anterior leaflet, causing early and late failure of repair.
RESULTS
We described two cases where this phenomenon happened.
CONCLUSIONS
Our cases demonstrate that the second-order chords of the prolapsing AL can be tethered and that this aspect should be carefully evaluated before surgery, as it can progress over time, affecting the results of surgical repair.
背景与目的
前叶二级腱索束缚是后叶脱垂修复失败的一个危险因素。
材料与方法
我们描述了两例因前叶脱垂或腱索断裂导致严重二尖瓣反流并伴有前叶二级腱索束缚的病例，这导致了修复的早期和晚期失败。
结果
我们描述了两例出现这种现象的病例。
结论
我们的病例表明，脱垂前叶的二级腱索可能会被束缚，并且在手术前应仔细评估这一方面，因为它可能会随时间进展，影响手术修复的结果。
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