title: Comparison between percutaneous balloon valvuloplasty and open commissurotomy for mitral stenosis. A prospective and randomized study.
abstract: Eighty patients with tight and pliable mitral stenosis were randomized in a prospective trial comparing percutaneous balloon valvuloplasty and open commissurotomy. Mitral valve area increased significantly in both groups immediately after the procedures. However, a decrease in mitral valve area occurred in both groups at 6, 12 and 24 months during the follow-up. There was no death in either group. Two patients had significant mitral regurgitation after percutaneous balloon valvuloplasty. After 24 months, all patients in the commissurotomy group and 97.4% of the patients in the balloon valvuloplasty group were in New York Heart Association functional class I or II.
authors.affiliation: Clinical Division, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil. val_cardoso@incor.usp.br
authors.forename: Luiz F
authors.initials: LF
authors.lastname: Cardoso
authors.forename: Max
authors.initials: M
authors.lastname: Grinberg
authors.forename: Miguel A
authors.initials: MA
authors.lastname: Rati
authors.forename: Pablo M
authors.initials: PM
authors.lastname: Pomerantzeff
authors.forename: Caio C J
authors.initials: CC
authors.lastname: Medeiros
authors.forename: Flávio
authors.initials: F
authors.lastname: Tarasoutchi
authors.forename: Eulógio
authors.initials: E
authors.lastname: Martinez
mesh_terms: D000293:Adolescent; D000328:Adult; D006348:Cardiac Surgical Procedures; D002315:Cardiopulmonary Bypass; D002404:Catheterization; D015150:Echocardiography, Doppler; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D017063:Outcome Assessment, Health Care; D011446:Prospective Studies; D012720:Severity of Illness Index; D013997:Time Factors