Effect of Tricuspid Valve Repair in Patients with Moderate Tricuspid Regurgitation undergoing Left-Sided Valve Surgery
Message:
Abstract:
Background

The benefits of tricuspid valve (TV) repair in patients with moderate tricuspid regurgitation (TR) during left-sided valve surgery are under debate. We investigated independent predictors for reduction in TR severity following left-sided valve surgery in patients with moderate TR.

Methods

In this study, we included 106 patients (male: 33%) with a mean age of 4.23 ± 12.61 years who had moderate TR and underwent mitral or aortic valve surgery between March 2012 and November 2016. Concomitant tricuspid annuloplasty was done for one group of patients based on surgeon’s decision. Transthoracic echocardiography was done before and at a median followup of 4.71 months for all patients. The patients were divided into improved and unimproved TR groups, with the term "improved" signifying a reduction of at least one grade in TR severity.

Results

Tricuspid annuloplasty was performed on 65 (61.3%) patients. TR improvement was observed in 87.7% of patients in the TV repair group and 56.1% of patients in the no-TV repair group, indicating a significant difference (P < 0.001). Tricuspid annulus diameter was not significantly different between the two groups (32.41 ± 4.68 mm in no-TV repair group and 33.87 ± 4.34 mm in TV repair group, P = 0.128). At follow-up with echocardiography, 80 (75.5%) patients were placed in the improved group and the majority of patients (71.3% vs. 30.8%; P < 0.001) underwent tricuspid repair in the improved group. TV annuloplasty was correlated with reduced TR severity following left-sided valve surgery (odds ratio [OR]: 5.19, 95% CI: 1.70–15.85, P < 0.001). TR changed from moderate to severe in 17 (17.1%) patients with no concomitant tricuspid repair, while only one patient (1.5%) with tricuspid repair showed an increased TR severity.

Conclusion

Tricuspid annuloplasty may be useful in patients who have moderate TR undergoing left-sided valve surgery regardless of the tricuspid annulus diameter, and it can play an effective role in the improvement of TR at mid-term follow-up.

Article Type:
Research/Original Article
Language:
English
Published:
Archives of Iranian Medicine, Volume:22 Issue: 10, 2019
Pages:
560 - 565
magiran.com/p2045441  
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