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The Annals of Thoracic Surgery, Vol 56, 1254-1262, Copyright © 1993 by The Society of Thoracic Surgeons

ARTICLES

Comparison of balloon valvuloplasty with operative treatment for mitral stenosis

JM Cohen, DD Glower, JK Harrison, TM Bashore, WD White, LR Smith, JS Rankin and DC Sabiston Jr
Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710.

To determine the optimal role for percutaneous balloon mitral valvuloplasty or open mitral commissurotomy, the outcome of 164 consecutive patients undergoing either percutaneous balloon mitral valvuloplasty, open mitral commissurotomy, or mitral valve replacement for mitral stenosis was reviewed. No preoperative differences existed between percutaneous balloon mitral valvuloplasty and open mitral commissurotomy in age, symptoms, or mitral valve characteristics. Symptoms improved similarly in all groups, and median hospital stays after procedures were 2, 9, and 10 days for percutaneous balloon mitral valvuloplasty, open mitral commissurotomy, and mitral valve replacement (p < 0.005). Actuarial survivals at 36 months did not differ significantly (83% +/- 6%, 94% +/- 4%, and 90% +/- 4%). Actuarial freedoms from subsequent mitral valve procedures at 36 months were 66% +/- 7%, 87% +/- 6%, and 100% +/- 13% (p < 0.005), with the linearized rate of subsequent mitral valve procedures being 12% +/- 3%, 4% +/- 2%, and 1.2% +/- 0.8%/patient-year for percutaneous balloon mitral valvuloplasty, open mitral commissurotomy, and mitral valve replacement (p < 0.01). Prior mitral commissurotomy increased the likelihood of subsequent mitral procedures after percutaneous balloon mitral valvuloplasty from 10% +/- 3% to 20% +/- 7%/patient-year.

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