The Journal of invasive cardiology · 2020
Novel Prognostic Score for Immediate and Late Success After Percutaneous Mitral Balloon Commissurotomy in Patients With Mitral Stenosis.
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Prota-Filho Luiz Eugenio B, Meneguz-Moreno Rafael A, Queiroz Caio C V, Wohnrath Fabricio C, Carboni Felipe A C, Silva Gisele R C, Castro Joselyn I P, Silva Wandemberg S, Ramos Auristela I O, Gomes Nisia L, Franca J Italo, Esteves Cesar, Braga Sergio L N, Abizaid Alexandre, Costa J Ribamar
Аннотация
OBJECTIVES: Percutaneous mitral balloon commissurotomy (PMBC) remains the preferred treatment for patients with severe symptomatic rheumatic mitral stenosis (MS) and suitable anatomy. The objective of this study was to propose a new score for the prediction of immediate and late success.
METHODS: This is a single-center, retrospective analysis of all 1582 patients with severe mitral stenosis who underwent PMBC from August 1987 to July 2010. The composite outcome was cardiovascular death, new PMBC, or mitral valve repair surgery up to 24 years of follow-up.
RESULTS: Mean patient age was 36.8 ± 12.9 years, most (86.4%) were female, and Wilkins score was between 9-11 in 49.1% of patients. In the multivariate analysis, the predictors of immediate success were age (odds ratio [OR], 0.98; 95% confidence interval [CI], 0.96-0.99; P=.01), left atrium size (OR, 0.96; 95% CI, 0.93-0.99; P=.01), mean preprocedure mitral gradient (OR, 0.93; 95% CI, 0.89-0.96; P<.001), intermediate Wilkins score 9-11 (OR, 0.62; 95% CI, 0.40-0.94; P=.02), and high Wilkins score ≥12 (OR, 0.35; 95% CI, 0.16-0.76; P<.01). For prediction of late events, age (hazard ratio [HR], 0.98; 95% CI, 0.97-0.98; P<.001), New York Heart Association class III-IV (HR, 1.50; 95% CI, 1.18-1.92; P<.001), left atrium size (HR, 1.02; 95% CI, 1.02-0.04; P<.01), and high Wilkins score ≥12 (HR, 2.02; 95% CI, 1.30-3.15; P<.01) were significant. Two nomograms were developed using significant predictors from the model.
CONCLUSIONS: In this large population, not only the Wilkins score, but also clinical and hemodynamic features, seem to be relevant in predicting immediate and late success for patients with rheumatic MS who underwent PMBC.
METHODS: This is a single-center, retrospective analysis of all 1582 patients with severe mitral stenosis who underwent PMBC from August 1987 to July 2010. The composite outcome was cardiovascular death, new PMBC, or mitral valve repair surgery up to 24 years of follow-up.
RESULTS: Mean patient age was 36.8 ± 12.9 years, most (86.4%) were female, and Wilkins score was between 9-11 in 49.1% of patients. In the multivariate analysis, the predictors of immediate success were age (odds ratio [OR], 0.98; 95% confidence interval [CI], 0.96-0.99; P=.01), left atrium size (OR, 0.96; 95% CI, 0.93-0.99; P=.01), mean preprocedure mitral gradient (OR, 0.93; 95% CI, 0.89-0.96; P<.001), intermediate Wilkins score 9-11 (OR, 0.62; 95% CI, 0.40-0.94; P=.02), and high Wilkins score ≥12 (OR, 0.35; 95% CI, 0.16-0.76; P<.01). For prediction of late events, age (hazard ratio [HR], 0.98; 95% CI, 0.97-0.98; P<.001), New York Heart Association class III-IV (HR, 1.50; 95% CI, 1.18-1.92; P<.001), left atrium size (HR, 1.02; 95% CI, 1.02-0.04; P<.01), and high Wilkins score ≥12 (HR, 2.02; 95% CI, 1.30-3.15; P<.01) were significant. Two nomograms were developed using significant predictors from the model.
CONCLUSIONS: In this large population, not only the Wilkins score, but also clinical and hemodynamic features, seem to be relevant in predicting immediate and late success for patients with rheumatic MS who underwent PMBC.