Percutaneous mitral commissurotomy for severe mitral stenosis during pregnancy

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Abstract
Percutaneous mitral commissurotomy was performed in 27 pregnant females aged 24.9 ± 3.14 years (range 20–30 years) with severe mitral stenosis at 22.2 ± 4.3 weeks (range 18–32 weeks) of gestation. All patients were in New York Heart Association functional class IV at the time of procedure. The procedure was performed using the flow guided Inoue balloon in 25 patients and double balloon technique in 2 patients. Percutaneous mitral commissurotomy was successful in 26 patients. The mitral valve area assessed by Doppler echocardiography (pressure half time) increased from 0.78 ± 0.19 cm2 (range 0.5–1.0 cm2) to 2.2 ± 0.12 cm2 (range 1.9—2.6 cm2) (P P P 2. The degree of mitral regurgitation remained unchanged. The results of this study indicate that percutaneous mitral commissurotomy is a safe and effective procedure for severe mitral stenosis in pregnancy. There are no immediate detrimental effects of radiation on the fetus, though long‐term effects of this amount of radiation are yet to be ascertained. © Wiley‐Liss, Inc.