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Surgical Treatment of Patients with Abdominal Aortic Aneurysm  

Ryu, Kyoung-Min (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Seo, Pil-Won (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Park, Seong-Sik (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Ryu, Jae-Wook (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Kim, Seok-Kon (Department of Pain and Anesthesiology, College of Medicine, Dankook University)
Lee, Wook-Ki (Department of Thoracic and Cardiovascular Surgery, College of Medicine, Dankook University)
Publication Information
Journal of Chest Surgery / v.42, no.3, 2009 , pp. 331-336 More about this Journal
Abstract
Background: Open surgical repair of abdominal aortic aneurysms was initiated by Dubost in 1952. Despite the rapid expansion of percutaneous endovascular repair, open surgical repair is still recognized for curative intent. We retrospectively analyzed surgical outcome, complications, and mortality-related factors for patients with abdominal aortic aneurysms over a 6 year period. Material and Method: We analyzed 18 patients who underwent surgery for abdominal aortic aneurysms between March 2002 and March 2008. The indications for surgery were rupture, a maximal aortic diameter >60 mm, medically intractable hypertension, or pain. Result: The mean age was $66.6{\pm}9.3$ years (range, $49\sim81$ years). Twelve patients (66.7%) were males a 6 patients were females. Extension of the aneurysm superior to the renal artery existed in 6 patients (33.3%), and extension to the iliac artery existed in 13 patients (72.2%). Five patients (27.8%) had ruptured aortic aneurysms. The mean maximal diameter of the aorta was $72.2{\pm}12.9$ mm (range, $58\sim109$ mm). Surgery was performed by a midline laparotomy, and 6 patients underwent emergency surgery. The mean total ischemic time from aorta clamping to revascularization was $82{\pm}42$ minutes (range, $35\sim180$ minutes). The mortality rate was 16.7%; the mortality rate for patients with ruptured aneurysms was 60%, and the mortality rate for patients with unruptured aneurysms was 0%. The postoperative complications included one each of renal failure, femoral artery and vein occlusion, and wound infection. The patients who were discharged had a long-term survival of $34{\pm}26$ months (range, $4\sim90$ months). Rupture and emergency surgery had a statistically significant mortality-related factor (p < 0.05). Conclusion: Emergency surgery for ruptured aortic aneurysms continues to have a high mortality, but unruptured cases are repaired with relative safety. Successfully operated patients had long-term survival. Even though endovascular aortic repair is the trend for abdominal aortic aneurysms, aggressive application should be determined with care. Experience and systemic support of each center is important in the treatment plan.
Keywords
Surgical repair; Aneurysm; Abdominal aorta;
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