title: Invited commentary.
authors.affiliation: Marfan and Connective Tissue Disorder Clinic, The Cleveland Clinic Foundation, 9500 Euclid Ave, F25, Cleveland, OH 44195, USA. svenssl@ccf.org
authors.forename: Lars G
authors.initials: LG
authors.lastname: Svensson
mesh_terms: D001013:Aorta, Thoracic / Q000601:surgery; D016122:Brachiocephalic Trunk; D002339:Carotid Arteries; D002404:Catheterization; D002560:Cerebrovascular Circulation; D002941:Circle of Willis / Q000033:anatomy & histology; D050792:Circulatory Arrest, Deep Hypothermia Induced; D006801:Humans; D020925:Hypoxia-Ischemia, Brain / Q000517:prevention & control; D010477:Perfusion; D011183:Postoperative Complications / Q000517:prevention & control; D020521:Stroke / Q000517:prevention & control; D013348:Subclavian Artery / Q000502:physiology; D013997:Time Factors