PMID: 29762922May 16, 2018Paper

Redo Scoring for Prediction of Success of Redo-Percutaneous Balloon Mitral Valvuloplasty in Patients with Mitral Restenosis

The Journal of Heart Valve Disease
Ragab A MahfouzTamer Moustafa

Abstract

Echocardiographic predictors of redo-percutaneous balloon mitral valvuloplasty (redo-PBMV) have not been well studied, and indications are based mainly on Wilkins score. The study aim was to evaluate the immediate results of redo-PMBV and to introduce a simplified redo-score to predict the success of redo-PBMV. Two cohorts of symptomatic patients (derivation group, n = 218; validation group, n = 100) who had undergone redo-PBMV at a mean of 8.1 ± 2.9 years after a first successful PBMV were enrolled in the study. The mean Wilkins scores were 8.5 ± 1.7 in the derivation group and 8.4 ± 1.8 in the validation group. PBMV was performed using a multi-track technique. Independent echocardiographic predictors of outcome were assigned a points value: mitral valve area ≤1.0 cm2 (2 points), posterior mitral valve leaflet length (PMVL)/anterior mitral valve leaflet length (AMVL) ratio ≤1/2 (2 points), doming distance ≤12 mm (3 points), mitral annular calcification (mild = 1 point; moderate = 2 points; severe = 3 points), commissural status (no fusion = 0 points; uni-fusion = 2 points; bi-fusion = 3 points) and chordal length ≤10 mm (2 points). The minimum score was 5 and the maximum was 13. A receiver operating curve analysis showed the r...Continue Reading

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