title: Invited commentary.
authors.affiliation: Center for Thoracic Aortic Disease, University of Pittsburgh Medical Center, 200 Lothrop St, UPMC-Presbyterian C-718, Pittsburgh, PA 15213, USA. gleasontg@upmc.edu
authors.forename: Thomas G
authors.initials: TG
authors.lastname: Gleason
mesh_terms: D001013:Aorta, Thoracic / Q000601:surgery*; D002545:Brain Ischemia / Q000517:prevention & control*; D002560:Cerebrovascular Circulation; D006801:Humans; D007036:Hypothermia, Induced; D010477:Perfusion; D011183:Postoperative Complications / Q000209:etiology