title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Surgery, Wake Forest University School of Medicine, Medical Center Blvd, Winston-Salem, NC  27157-1096, USA. jhammon@wfubmc.edu
authors.forename: John W
authors.initials: JW
authors.lastname: Hammon
mesh_terms: D000208:Acute Disease; D000784:Aortic Dissection / Q000150:complications / Q000401:mortality / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000150:complications / Q000401:mortality / Q000601:surgery*; D001778:Blood Coagulation Disorders / Q000209:etiology* / Q000503:physiopathology / Q000628:therapy; D001803:Blood Transfusion; D005260:Female; D006801:Humans; D008297:Male; D019990:Perioperative Care / Q000379:methods; D019106:Postoperative Hemorrhage / Q000503:physiopathology / Q000517:prevention & control* / Q000628:therapy; D011379:Prognosis; D018570:Risk Assessment