Impact of Pre- and Postprocedural Mitral Regurgitation on Outcomes After Percutaneous Mitral Valvuloplasty for Mitral Stenosis

2009 
Percutaneous mitral valvuloplasty (PMV) is an effective therapy in patients with significant mitral stenosis. Few studies have examined the effect of mitral regurgitation (MR), a frequent periprocedural finding, on PMV outcomes. We examined the effects of pre- and postprocedural MR after PMV. Contrast left ventriculography was performed before and after PMV, and the MR severity was assessed using Sellers' classification. Clinical, hemodynamic, and morphologic variables were collected for all patients. Consecutive patients (n = 876) undergoing a first PMV procedure at a single tertiary center were evaluated. An increasing preprocedural MR severity was associated with reduced PMV success (no MR, 75%; 1+ MR, 65%; 2+ MR, 44%; p
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