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  • Thoracoabdominal aneurysm repair: results with 337 operations performed over a 15-year interval
  • Cambria RP; Clouse WD; Davison JK; Dunn PF; Corey M; Dorer D
  • Ann Surg 2002[Oct]; 236 (4): 471-9; discussion 479
  • OBJECTIVE: To review perioperative results and late survival after thoracoabdominal aneurysm repair (TAA), in particular to assess the impact over time of epidural cooling (EC) on spinal cord ischemic complications (SCI). SUMMARY BACKGROUND DATA: A variety of operative approaches and protective adjuncts have been used in TAA to minimize the major complications of perioperative death and SCI. There is no consensus with respect to the optimal approach. METHODS: From January 1987 to November 2001, 337 consecutive TAA repairs were performed by a single surgeon. Clinical features included prior aortic grafts in 97 (28.8%) and emergent operation in 82 (24.6%), including rupture in 46 (13.6%) and dissection in 63 (19%). Operative management consisted of a clamp/sew technique with adjuncts in 93%. EC (since July 1993) to prevent SCI was used in 194 (57.6%) repairs. Variables associated with the end points of operative mortality and postoperative SCI were assessed with the Fisher exact test and logistic regression; late survival was estimated with the Kaplan-Meier method. RESULTS: Operative mortality was 8.3% and was associated with nonelective operation, intraoperative hypotension, total transfusion requirement, and the postoperative complications of paraplegia, renal failure, and pulmonary insufficiency. Postoperative renal failure and transfusion requirement were independent correlates of mortality. SCI of any severity occurred in 38 of 334 (11.4%) operative survivors, with 22/38 (6.6% of cohort) sustaining total paraplegia. EC reduced the risk of SCI in patients with types I-III TAA (10.6% vs. 19.8%, =.04). Independent correlates of SCI over the entire study interval included types I/II TAA, rupture, cross-clamp duration, sacrifice of T9-L1 intercostal vessels, and intraoperative hypotension. Late survival rates at 2 and 5 years were 81.2 +/- 3% and 67.2 +/- 5%. CONCLUSIONS: EC has decreased the risk of SCI after TAA repair. Decreasing the substantial proportion (nearly 25%) of patients requiring nonelective operation will improve results. Late survival is equal to that after routine AAA repair, indicating that the considerable resource expenditure required for TAA repair is worthwhile.
  • |*Postoperative Complications[MESH]
  • |Aged[MESH]
  • |Aged, 80 and over[MESH]
  • |Aortic Aneurysm, Abdominal/*mortality/*surgery[MESH]
  • |Aortic Aneurysm, Thoracic/*mortality/*surgery[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Outcome Assessment (Health Care)[MESH]
  • |Retrospective Studies[MESH]
  • |Severity of Illness Index[MESH]
  • |Spinal Cord Ischemia/*etiology[MESH]
  • |Survival Rate[MESH]
  • |Time Factors[MESH]
  • |Vascular Surgical Procedures/*adverse effects[MESH]

  • *{{pmid12368676}}
    *<b>[ Thoracoabdominal aneurysm repair: results with 337 operations performed over a 15-year interval ]</b> Ann Surg 2002; 236(4) ; 471-9; discussion 479 Cambria RP; Clouse WD; Davison JK; Dunn PF; Corey M; Dorer D


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    Ann Surg

    471 4.236 2002