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- W1975260253 abstract "To compare immediate and late (12 months) follow-up of clinical and Doppler echocardiographic results between percutaneous mitral balloon valvuloplasty and open commissurotomy in a prospective and randomized trial.Eighty eight symptomatic patients with severe mitral stenosis and favorable anatomy were randomized in a prospective trial comparing the two procedures. All patients were submitted to clinical and Doppler echocardiographic evaluation before the procedures and immediate and twelve months thereafter.Mean mitral gradient (mmHg) decreased from 12.2 +/- 5.8 to 5.80 +/- 2.7 (p < 0.001) in commissurotomy group (CG) and from 11.7 +/- 6.1 to 5.0 +/- 2.4 (p < 0.001) in the balloon valvuloplasty group (VG). Mitral valve are (cm2) increased from 0.98 +/- 0.21 to 2.52 +/- 0.46 in CG and from 1.05 +/- 0.25 to 2.18 +/- 0.40 in VG (p < 0.001). In both groups there was a slight decrease in mitral valve area at 12 month follow-up. There was no death in either group. One patient in the VG had moderate mitral regurgitation and underwent surgery. At the 12 month follow-up, all patients in CG and 97.7% of patients in VG were in New York Heart Association functional class I or II.Both procedures were safe and showed similar immediate improvement in mitral gradient and functional class. Mitral valve area had a greater increase immediately after commissurotomy, however, there was a significantly greater reduction in the CG after 12 months of follow-up, when compared to balloon valvuloplasty. In both groups, mitral gradient remained reduced and most patients did not change functional class during the follow-up." @default.
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- W1975260253 date "1998-06-01" @default.
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- W1975260253 title "Avaliação comparativa entre valvoplastia percutânea e comissurotomia a céu aberto na estenose mitral" @default.
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- W1975260253 doi "https://doi.org/10.1590/s0066-782x1998000600007" @default.
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