title: Persistent left superior vena cava: a blessing in disguise.
abstract: Persistent left superior vena cava (SVC) is an uncommon condition, usually encountered during cannulation of the left subclavian vein. We describe a patient who required a cardiac device upgrade to cardiac resynchronization implantable cardioverter defibrillator for biventricular failure. The presence of a persistent left SVC proved to be a blessing in disguise in this patient as he had since developed total occlusion of the left subclavian-innominate system.
authors.affiliation: Department of Cardiovascular Medicine, University of Toledo Medical Center, 3000 Arlington Avenue, Toledo, OH 43614, USA.
authors.forename: Naser
authors.initials: N
authors.lastname: Imran
authors.forename: Blair
authors.initials: B
authors.lastname: Grubb
authors.forename: Yousuf
authors.initials: Y
authors.lastname: Kanjwal
mesh_terms: D000328:Adult; D006801:Humans; D033162:Incidental Findings; D008297:Male; D010138:Pacemaker, Artificial; D019919:Prosthesis Implantation; D013479:Superior Vena Cava Syndrome / Q000175:diagnosis* / Q000601:surgery*; D014683:Vena Cava, Superior / Q000002:abnormalities* / Q000601:surgery*