title: Severe hypoxia due to ventilation-perfusion mismatch caused by aortic arch aneurysm.
abstract: We report a very rare case of hugh aortic arch aneurysm associated with aortic restenosis, which caused severe hypoxia due to ventilation-perfusion mismatch by compression of the left main bronchus and the right pulmonary artery. Aortic arch replacement was performed under circulatory arrest and deep hypothermia in addition to aortic valve replacement as a redo operation, and consequently such hypoxia was relieved.
authors.affiliation: Division of Cardiovascular Surgery, Hyogo Brain and Heart Center, Himeji, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Sugimoto
authors.forename: K
authors.initials: K
authors.lastname: Ogawa
authors.forename: T
authors.initials: T
authors.lastname: Asada
authors.forename: N
authors.initials: N
authors.lastname: Mukohara
authors.forename: M
authors.initials: M
authors.lastname: Nishiwaki
mesh_terms: D000328:Adult; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000150:complications* / Q000000981:diagnostic imaging / Q000503:physiopathology; D006801:Humans; D000860:Hypoxia / Q000209:etiology* / Q000503:physiopathology; D008297:Male; D011859:Radiography; D014692:Ventilation-Perfusion Ratio