title: Invited Commentary.
authors.affiliation: Center for Aortic Disease, Center for Structural Heart Disease, Division of Cardiovascular and Thoracic Surgery, Duke University Medical Center, Box 3051, Durham, NC 27710. Electronic address: gchad.hughes@duke.edu.
authors.forename: G Chad
authors.initials: GC
authors.lastname: Hughes
authors.affiliation: Neurologic Outcome Research Group, Department of Anesthesiology, Duke University Medical Center, Durham, NC.
authors.forename: Joseph P
authors.initials: JP
authors.lastname: Mathew
mesh_terms: D000784:Aortic Dissection / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000601:surgery*; D002560:Cerebrovascular Circulation / Q000502:physiology*; D005260:Female; D006801:Humans; D007430:Intraoperative Care / Q000379:methods*; D008297:Male; D010477:Perfusion / Q000379:methods*; D020521:Stroke / Q000517:prevention & control*; D014656:Vascular Surgical Procedures / Q000379:methods*