From January 1995 to December 1996 patients with mitral stenosis underwent surgical valvotomy and another 50 had balloon mitral valvuloplasty. Balloon valvuloplasty was performed by the Inoue technique and surgical closed mitral valvotomy was carried out through a standard anterolateral thoracotomy with transventricular repeated Tubbs or finger dilatation. Functional status, left atrial mean transmitral gradient, mitral valve area, and left atrial size were recorded. No significant difference was found between the values of these parameters in the 2 groups of patients at the end of the study. consecutive patients with mitral stenosis who were suitable for either CMV or BMV were alternately assigned to one or other procedure. Echocardiography and cardiac Doppler studies were performed with a Sonos 1500 system (HewlettPackard, Rockville, MD, USA). The mitral valve orifice area was determined by the pressure half-time method on Doppler echocardiography. Fifty patients underwent CMV by standard transventricular Tubbs dilatation with or without finger dilatation and 50 had BMV by the Inoue balloon (Toray Medical, Tokyo, Japan) technique.Patients undergoing BMV were managed by cardiologists in the cardiac care unit and those undergoing CMV were managed in the postoperative intensive care unit. Postoperative echocardiography was performed on the 3rd post-procedure day, with follow-up echocardiography after 6 months and one year. On follow-up, the patients were also assessed for cardiac rhythm, New York Heart Association functional class, medication, and the presence or progression of the same or other valvular lesions. Results were compared by the Student t test.
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