Journal of Echocardiography
Online ISSN : 1880-344X
Print ISSN : 1349-0222
Case Reports
Unexpected Worsening of Mitral Regurgitation After Surgical Closure of Atrial Septal Defect
Masumi Iwai-TakanoHiroyuki YaoitaMasayoshi OikawaHironori KanekoAkiko Nakamura-ShichishimaHiroko TajimaKazuko AkutsuAkiomi YoshihisaOsamu YamaguchiYukio Maruyama
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2005 Volume 3 Issue 3 Pages 121-122


A 16-year-old male with a history of surgically-closed atrial septal defect (ASD) 2 years before was admitted to our hospital for lung congestion caused by severe mitral regurgitation (MR). Before the closure of the ASD, his echocardiographic findings showed mild prolapse of the anterior mitral leaflet (AML) with the hypoplastic posterior mitral leaflet (PML), but only mild MR. On admission, severe MR was observed by echocardiography in association with an increase in mitral anural size and the progression of AML prolapse. It was assumed that the worsening of MR was due to increased blood volume in the left-side of the heart after closing the ASD combined with cardiac growth. After mitral valvuloplasty, MR and heart failure disappeared.

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© 2005 by Japanese Society of Echocardiography
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