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Successful mitral valve replacement in a 13 month old infant with parachute mitral valve presenting pure mitral stenosis



Successful mitral valve replacement in a 13 month old infant with parachute mitral valve presenting pure mitral stenosis



Journal of the Japanese Association for Thoracic Surgery 31(2): 246-252



A mitral valve replacement was successfully performed in a 13-mo.-old infant boy with isolated parachute mitral valve deformity presenting as severe mitral stenosis. Diagnosis was established by 2-dimensional echocardiography and angiocardiography. Operation was performed using deep hypothermia with surface cooling and cardiopulmonary bypass. A funnel-shaped parachute mitral valve and a large single papillary muscle at the anterolateral position were removed. A # 17 Bjork-Shiley mitral prosthesis was inserted. Eight months postoperatively the patient suffered from subdural hemorrhage in the left temporal area despite well-controlled laboratory data with anticoagulant therapy. Craniotomy was performed and hematoma was removed. Postoperative course was uneventful. The patient is now 2.5 yr old, fully active and in apparent good health without digitalis and diuretics. This is the 1st successful case of valve replacement for this anomaly in Japan and the youngest in the world for cases without regurgitation.

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Accession: 006537869

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PMID: 6864006


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