title: Ruptured tricuspid valve papillary muscle: a treatable cause of neonatal cyanosis.
abstract: Severe tricuspid regurgitation resulting from a flail leaflet is a rare cause of neonatal cyanosis. We report two neonates with profound cyanosis and severe tricuspid regurgitation caused by rupture of the papillary muscle supporting the anterior leaflet, without other structural heart defects. Ductal patency could not be established. Repair of the tricuspid valve was performed by reimplantation of the ruptured papillary muscle head, after initial stabilization using extracorporeal membrane oxygenation. Early recognition and treatment of this otherwise fatal condition can be lifesaving.
authors.affiliation: Pediatric Cardiology, Arkansas Children's Hospital and University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA. sachdevaritu@uams.edu
authors.forename: Ritu
authors.initials: R
authors.lastname: Sachdeva
authors.forename: Richard T
authors.initials: RT
authors.lastname: Fiser
authors.forename: William R
authors.initials: WR
authors.lastname: Morrow
authors.forename: Joseph R
authors.initials: JR
authors.lastname: Cava
authors.forename: Nancy S
authors.initials: NS
authors.lastname: Ghanayem
authors.forename: Robert D B
authors.initials: RD
authors.lastname: Jaquiss
mesh_terms: D006348:Cardiac Surgical Procedures; D003490:Cyanosis / Q000209:etiology*; D004452:Echocardiography; D015199:Extracorporeal Membrane Oxygenation; D006341:Heart Rupture / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010210:Papillary Muscles / Q000000981:diagnostic imaging / Q000601:surgery; D012092:Replantation; D012720:Severity of Illness Index; D014262:Tricuspid Valve Insufficiency / Q000150:complications* / Q000209:etiology / Q000503:physiopathology / Q000601:surgery