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Ann Thorac Surg 1981;31:300-304
© 1981 The Society of Thoracic Surgeons

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Articles

A 25-Year Experience with the Closed Method of Treatment in 139 Patients with Mitral Stenosis

Department of Surgery, Queen's University, Kingston, Ont, Canada

Accepted for publication October 16, 1980.

^* Address reprint requests to Dr. T. Salerno, Department of Surgery, Queen's University, Kingston, Ont, Canada

A 25-year experience with 139 patients undergoing closed mitral commissurotomy is reviewed. The primary indication for closed mitral commissurotomy was mitral stenosis, but 24 patients also had other less important valvular defects. Preoperatively, all patients were in New York Heart Association (NYHA) Functional Class III or IV. Average age was 46 years (range, 18 to 77 years). There were 24 men and 115 women. No further operation after initial closed mitral commissurotomy was required in 68% of the patients (95 patients), and NYHA Functional Classification was improved in 93%. Postoperative complications occurred in 3%, and operative mortality was 2.0%. Follow-up revealed restenosis in 6% of the patients, mitral regurgitation in 14%, complications in 7%, and late deaths in 3%. Reoperation, required in 32% (44 of 139 patients), included a second closed mitral commissurotomy (21 patients), open mitral commissurotomy (3), mitral valve replacement (MVR) (18), and MVR after a second closed mitral commissurotomy (2). Improvement in NYHA classification was found in 82% of these patients. Operative mortality was 9.5% for patients having a second closed mitral commissurotomy and 20% for those having MVR.

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