Reparación valvular tricúspide mediante un anillo de diseño tridimensional: resultados a medio plazo

Abstract

BackgroundThe purpose of our study was to report our clinical and echocardiographic experience of tricuspid valve repair with the MC3 annuloplasty system. Material and methodsFrom May 2008 to May 2013, 134 consecutive patients with functional tricuspid regurgitation underwent tricuspid valve repair with MC3 rings. Mean age was 67.9 years and 73.1% were women. Previous cardiac surgery was noticed in 16.4% of the patients. Right ventricle was dilated (diastolic diameter greater than 42mm) in 34.3%. 55.2% of the patients had severe pulmonary hypertension (systolic pulmonary pressure greater than 60mmHg). The most frequent associated procedures were mitral valve replacement and multiple valve replacement. All patients underwent an echocardiogram prior to intervention and prior to hospital discharge. It was also perfomed during follow-up when possible. ResultsTricuspid regurgitation was evaluated in a 0 (none) to 4+ (severe) scale. It decreased from a mean value of 3.16±0.72 to 1.43±0.93 prior to hospital discharge (P<.001). Median follow-up was 18 months (range 1-43). In-hospital mortality was 8.2%. Median follow-up was 22 months (range 1-61). Follow-up echocardiogram could be obtained in 38.8% of the series. Mean tricuspid regurgitation in the follow-up was 1.35±0.79. There was no significant increase in residual tregurgitation in the follow-up (P=.172). ConclusionsEdwards MC3 ring corrects functional tricuspid regurgitation. Clinical and echocardiographic results were similar during follow-up in terms of residual tricuspid regurgitation.