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KMID : 0364020090420030331
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Korean Journal of Thoracic and Cardiovascular Surgery
2009 Volume.42 No. 3 p.331 ~ p.336
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Surgical Treatment of Patients with Abdominal Aortic Aneurysm
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Ryu Kyoung-Min
Seo Pil-Won
Park Seong-sik
Ryu Jae-Wook
Kim Seok-Kon
Lee Wook-Ki
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Abstract
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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±9.3 years (range, 49∼81 years). Twelve patients (66.7%) were males and 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±12.9 mm (range, 58∼109 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±42 minutes (range, 35∼180 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±26 months (range, 4∼90 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.
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KEYWORD
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Surgical repair, Aneurysm, Abdominal aorta
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