title: Invited commentary.
authors: Department of Cardiovascular Surgery, McGill University Health Center, 687 Ave des Pins Ouest, Ste S-873-B, Montreal, PQ, Canada H3A 1A1. dshumtim@yahoo.co
authors: Dominique
authors: D
authors: Shum-Tim
mesh_terms: D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000601:surgery*; D050792:Circulatory Arrest, Deep Hypothermia Induced; D006801:Humans