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The authors sought to define the feasibility and performance of 3-dimensional (3D) vena contracta area (VCA) measurement in evaluating total residual mitral regurgitation (MR) following percutaneous edge-to-edge clip (E-EC) mitral valve repair.

Residual MR severity after percutaneous repair is not only a determinant of procedural success, but also a major prognostic factor. To date, no single echocardiographic method has been recommended for post-procedural MR quantification, with the evaluation currently relying on a complex, multiparametric appraisal.

The authors performed a retrospective study of patients undergoing the E-EC procedure, for which baseline and post-repair 3D color Doppler transesophageal echocardiogram datasets were available. Total VCA was recorded as the sum of individual VCAs (if more than 1) and compared with an expert multiparametric …