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Surgical risk of preoperative malperfusion in acute type A aortic dissection.
MedLine Citation:
PMID:  19733865     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVE: Patients who have type A dissection with preoperative malperfusion syndromes are believed to be at extremely high surgical risk. Our aim was to evaluate perioperative and long-term results of patients with preoperative malperfusion. METHODS: A total of 276 patients (174 men; mean age 59.5 +/- 13.4 years) underwent surgery for acute type A dissection between October 1994 and January 2008. Preoperative malperfusion syndromes were diagnosed in 93 (33.7%) patients (group I) and involved coronary circulation in 41 (15%) patients, central nervous system in 39 (14%) patients, limb ischemia in 32 (11.6%) patients, and mesenteric circulation in 8 (3%) patients. Postoperative results were compared between patients with preoperative malperfusion and those without this complication (group II, n = 183). RESULTS: In-hospital mortality was 29.0% in group I versus 13.6% in group II (P = .002). The postoperative intensive care unit stay was longer (11.4 +/- 9.7 vs 7.7 +/- 6.9 days; P = .04) in the malperfusion group. A total of 6 (75%) patients with mesenteric malperfusion died. Long-term follow-up (range, 1-122 months postoperatively) was available in 100% of survivors. One-year and 5-year overall survivals were 49.8% +/- 11.8% and 41.8% +/- 12.6% in group I versus 70.4% +/- 7.6% and 56% +/- 10.4% in group II (P = .005). Cox regression analysis identified preoperative malperfusion as a significant risk factor for long-term mortality after surgery for type A dissection (hazard ratio, 1.7; 95% confidence intervals, 1.2-3.1). CONCLUSIONS: Preoperative malperfusion is a significant risk factor influencing perioperative and long-term survival after surgery for acute type A dissection. Percutaneous interventional procedures and delayed surgery should be considered in patients with clinically apparent mesenteric malperfusion because of the dismal prognosis of immediate surgical therapy.
Authors:
Evaldas Girdauskas; Thomas Kuntze; Michael A Borger; Volkmar Falk; Friedrich-Wilhelm Mohr
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Publication Detail:
Type:  Journal Article     Date:  2009-09-05
Journal Detail:
Title:  The Journal of thoracic and cardiovascular surgery     Volume:  138     ISSN:  1097-685X     ISO Abbreviation:  J. Thorac. Cardiovasc. Surg.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376343     Medline TA:  J Thorac Cardiovasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1363-9     Citation Subset:  AIM; IM    
Affiliation:
Department of Cardiac Surgery, Heart Center Leipzig, Leipzig, Germany. evagird@centras.lt
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