Bidirectional shunt through a residual atrial septal defect after percutaneous transvenous mitral commissurotomy.


A residual atrial septal defect with bidirectional shunt was detected by transesophageal echocardiography in a 28-year-old man 3 years after percutaneous transluminal mitral commissurotomy (PTMC) with the antegrade transseptal technique. He had had severe mitral stenosis, pulmonary hypertension, and tricuspid regurgitation before the procedure. The result… (More)


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