title: Unexpected co-arctation of aorta detected by transesophageal echocardiography during patent ductus arteriosus ligation.
abstract: In the presence of a large patent ductus arteriosus (PDA), aortic co-arctation (CoA) cannot be diagnosed clinically because PDA masks the clinical features. This condition impedes the identification of CoA by transthoracic echcocardiography. However, the closure of PDA can result in a severe clinical condition that causes a patient with undiagnosed CoA to suffer from shock and multi-organ failure. In this article, a case of PDA was presented, in which transesophageal echocardiography provided full information that could be used as reference to identify and define CoA during PDA ligation surgery.
authors.affiliation: Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China.
authors.forename: Fei
authors.initials: F
authors.lastname: Liu
authors.forename: Ming-chon
authors.initials: MC
authors.lastname: Hsiung
authors.forename: Haibo
authors.initials: H
authors.lastname: Song
authors.forename: Ke
authors.initials: K
authors.lastname: Dian
authors.forename: Hong
authors.initials: H
authors.lastname: Tang
authors.forename: Jin
authors.initials: J
authors.lastname: Liu
mesh_terms: D001011:Aorta / Q000000981:diagnostic imaging; D001017:Aortic Coarctation / Q000000981:diagnostic imaging*; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D017548:Echocardiography, Transesophageal / Q000379:methods*; D006801:Humans; D007223:Infant; D008026:Ligation; D008297:Male