title: Obstructive rhabdomyoma and univentricular physiology: a rare combination.
abstract: We report the successful excision of a large left atrial rhabdomyoma producing complete obstruction of both inflow and outflow to the left ventricle. Systemic perfusion was dependent on anterograde ductual flow. The resultant univentricular physiology was initially managed medically, with spontaneous tumor regression contemplated as a means of possible long-term "cure." Failure to achieve hemodynamic stability compelled urgent surgical excision. This neonate was successfully discharged home with an in-series biventricular circulation.
authors.affiliation: Division of Cardiovascular Surgery, The Hospital for Sick Children and The University of Toronto, Ontario, Canada.
authors.forename: U
authors.initials: U
authors.lastname: Dyamenahalli
authors.forename: M D
authors.initials: MD
authors.lastname: Black
authors.forename: C
authors.initials: C
authors.lastname: Boutin
authors.forename: R M
authors.initials: RM
authors.lastname: Gow
authors.forename: R M
authors.initials: RM
authors.lastname: Freedom
mesh_terms: D006338:Heart Neoplasms / Q000151:congenital / Q000503:physiopathology* / Q000601:surgery*; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D007231:Infant, Newborn; D012207:Rhabdomyoma / Q000151:congenital / Q000503:physiopathology* / Q000601:surgery*; D013617:Tachycardia, Supraventricular / Q000209:etiology