Percutaneous Balloon Versus Surgical Closed Commissurotomy for Mitral Stenosis A Prospective, Randomized Trial
نویسندگان
چکیده
Background. We performed a prospective, randomized trial comparing percutaneous balloon commissurotomy with surgical closed commissurotomy in 40 patients with severe rheumatic mitral stenosis. Methods and Results. Data were analyzed by investigators who were masked to treatment assignment or phase of study. Patients randomized to balloon (n=20) or surgical (n=20) commissurotomy had severe mitral stenosis without significant baseline differences (left atrial pressure, 26.1±4.2 versus 27.6+6.2 mm Hg; mitral valve gradient, 18.0±+4.2 versus 19.7±6.3
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