Immediate and long-term results of balloon mitral commissurotomy for rheumatic mitral stenosis: comparison between Inoue and double-balloon techniques

American Heart Journal
A J TrevinoT Feldman

Abstract

We examined the immediate results and 2-year follow-up of percutaneous transvenous mitral commissurotomy (PTMC) using the Inoue balloon (IB) and double-balloon (DB) techniques. Short-term comparisons have been described, but long-term comparisons have not been available. PTMC was performed in 208 adult patients with symptomatic mitral stenosis (MS) and mitral valve area (MVA) of 0.94 +/- 0.2 cm2, by use of the IB in 157 (73.4%) and the DB technique in 56 (26.3%). Procedures were performed successfully and without complications in 198 (93%) cases. Adequate mitral dilatation (MVA = 1.6 cm2) without significant regurgitation was obtained in 179 (86%) of 192 patients. The final MVA was 2.0 +/- 0.43 cm2 after IB and 2.06 +/- 0.51 cm2 after DB (not significant). Technical difficulties and complications were more frequent with DB (16% vs 3.8%; p<0.001). Severe mitral regurgitation (grade III to IV) occurred in 4.6% of IB and 4.1% of DB (not significant), whereas grade 1 mitral regurgitation was greater with IB (21% vs 10.2%; p=0.01). A total of 172 patients were monitored an average of 23.8 +/- 10.6 months, with 83% in New York Heart Association functional class 1, echocardiographic MVA of 1.84 +/- 0.44 cm2, and restenosis rate of 22%...Continue Reading

References

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Citations

Jul 21, 1998·Journal of the American College of Cardiology·C StefanadisP Toutouzas
May 27, 2014·The American Journal of Medicine·Apurva O BadhekaEduardo de Marchena
Feb 24, 1998·Catheterization and Cardiovascular Diagnosis·T O Cheng
Jun 25, 2010·Child Development·Katie G SilvaBarbara Rogoff

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