In pts with 3-4+ AN, 15/16 (93%) required pulmonary valvotomy and RVOT patch, compared to 21/33 ... Multiple levels of pre-op severe stenosis leading to incomplete relief of outflow obstruction ...
Department of Cardiovascular Surgery, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Fuwai Hospital, Beijing, China Pulmonary valve ...
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