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Heart, Lung and Circulation

Risk Factors for Aortic Regurgitation Progression After Repair of Sinus of Valsalva Aneurysm

Published:September 02, 2021DOI:https://doi.org/10.1016/j.hlc.2021.08.004

      Background

      The main treatment for a ruptured sinus of Valsalva aneurysm (SVA) is surgical repair. Postoperative progression of aortic regurgitation (AR) following SVA repair increases the risk of reoperation, which decreases the long-term survival. Thus, identifying the risk factors for postoperative AR progression is of great significance.

      Methods

      Adult patients who were diagnosed with ruptured SVA and underwent surgical repair at the current centre were reviewed. Necessary data in the institutional database were extracted. The perioperative and follow-up assessments of the aortic valve by transthoracic echocardiography were also obtained. The aortic regurgitation progression was grouped into three categories: newly developing, recurrence, and worsening. Sixteen (16) variables were screened to identify potential risk factors by univariate logistic regression analysis or Chi-squared test. Variables with p-values <0.1 were further analysed by multivariate logistic regression models to find independent risk factors.

      Results

      A total of 198 consecutive patients from June 2006 to January 2018 were included. The overall incidence of postoperative AR progression was 19.2% (38 of 198). After the univariate analysis, SVA originating from the right coronary sinus, coexisting with ventricular septal defect, larger diameter of aortic annulus, and larger cardiothoracic ratio were screened as potential risk factors. Multivariate analysis indicated that coexisting with a ventricular septal defect (VSD) (OR, 2.82; 95% CI, 1.217–6.532; p=0.016) and larger cardiothoracic ratio (OR, 1.061; 95% CI, 1.001–1.124; p=0.047) were independent risk factors for postoperative AR progression.

      Conclusions

      To prevent postoperative AR progression after surgical repair, more careful inspection and appropriate surgical techniques are necessary for patients coexisting with VSD or with a larger cardiothoracic ratio.

      Keywords

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