Abstract
PTMC is an established non-surgical treatment of rheumatic mitral stenosis. The study aimed to assess the safety and efficacy of this procedure guided with transthoracic echocardiography. Twenty-nine consecutive patients undergoing PTMC enrolled in this retrospective study. Mitral valve area (MVA), transmitral valve gradient (MVG), and severity of mitral regurgitation (MR) were assessed before the procedure by transthoracic and transesophageal echocardiography. Mitral valve morphology was evaluated before the procedure using Wilkin's criteria. The procedure was guided only with TTE. Mitral valve area increased from 1.00 ± 0.21 cm2 to 1.96 ± 0.34 cm2 (P < 0.001) and a gain of more than 100% surface in 14 (48.3%) patients. Mean gradient of mitral valve decreased from 12.4 ± 4.4 mmHg to 5.9 ± 1.8 mmHg (P < 0.001). Pulmonary artery pressure decreased from 44.2 ± 15.2 to 30.6 ± 9.9 (P < 0.001). No major complications were observed and moderate mitral regurgitation was occurred in 6 (20.7%) patients. Percutaneous mitral commissurotomy guided with TTE is feasible and safety with an acceptable result.
Published Version
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