Discussion.
D017544:Aortic Aneurysm, Abdominal / Q000150:complications / Q000601:surgery*; D017545:Aortic Aneurysm, Thoracic / Q000150:complications / Q000601:surgery*; D006801:Humans; D010264:Paraplegia / Q000209:etiology / Q000517:prevention & control*; D013119:Spinal Cord Injuries / Q000209:etiology / Q000517:prevention & control*; D014656:Vascular Surgical Procedures / Q000009:adverse effects / Q000379:methods