AHA/ACC Guidelines for the Diagnosis and Management of Patients With Thoracic Aortic Disease (2010)

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Commentary by Reed E. Pyeritz, MD, PhD

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Descending thoracic aorta and throacoabdominal aortic aneurysms


Surgical aneurysm repair: recommendations for Descending Thoracic Aorta and Thoracoabdominal Aortic Aneurysms

Class I  
  1. For patients with chronic dissection, particularly if associated with a connective tissue disorder, but without significant comorbid disease, and a descending thoracic aortic diameter exceeding 5.5 cm, open repair is recommended. (LOE: B)
  1. For patients with degenerative or traumatic aneurysms of the descending thoracic aorta exceeding 5.5 cm, saccular aneurysms, or postoperative pseudoaneurysms, endovascular stent grafting should be strongly considered when feasible. (LOE: B)
  1. For patients with thoracoabdominal aneurysms, in whom endovascular stent graft options are limited and surgical morbidity is elevated, elective surgery is recommended if the aortic diameter exceeds 6.0 cm, or less if a connective tissue disorder such as Marfan or Loeys-Dietz syndrome is present. (LOE: C)
  1. For patients with thoracoabdominal aneurysms and with end-organ ischemia or significant stenosis from atherosclerotic visceral artery disease, an additional revascularization procedure is recommended. (LOE: B)