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http://dx.doi.org/10.5090/kjtcs.2010.43.6.655

The Risk Factors Influencing the Postoperative Mortality of the Patients with an Abdominal Aortic Aneurysm  

Lee, Seong-Kwang (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Jun, Hee-Jae (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Park, Kyung-Taek (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Yoon, Young-Chul (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Han, IL-Yong (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Lee, Yang-Haeng (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Cho, Kwang-Hyun (Department of Thoracic and Cardiovascular Surgery, Pusan Paik Hospital, College of Medicine, Inje University)
Publication Information
Journal of Chest Surgery / v.43, no.6, 2010 , pp. 655-662 More about this Journal
Abstract
Background: Despite the rapid expansion of percutaneous endovascular repair, open surgical repair is still recognized as an option to achieve a cure. We retrospectively analyzed over a 6 year period the surgical outcomes, the complications and the mortality-related factors for patients with abdominal aortic aneurysms. Material and Method: We analyzed 36 patients who underwent surgery for abdominal aortic aneurysms between May 2001 and June 2005, and between April 2007 and November 2009. The indications for surgery were rupture, a maximal aortic diameter > 50 mm, and medically intractable hypertension or pain. Result: The mean patient age was $69.67{\pm}6.97$ years (range: 57 to 84 years). Thirty two patients (88.9%) were males and 4 patients (11.1%) were females. Extension to the iliac artery existed in 28 patients (77.8%). Thirteen patients (36.1%) had ruptured aortic aneurysms. The mean maximal diameter of the aorta was $73.7{\pm}13.3$ mm (60 to 100 mm). Surgery was performed by a midline laparotomy and 10 patients (27.8%) underwent emergency surgery. The mortality rate was 8.3%; the mortality rate for the patients with ruptured aneurysms was 23.1 % and the mortality rate for patients with unruptured aneurysms was 0%. The postoperative complications included wound infection (3 cases), sepsis (2 cases), renal failure (2 cases) and pneumonia (1 case). Unstable vital signs, pre-operative transfusion, ruptured aneurysm, emergency surgery, comorbidity (DM and syncope) and complications (sepsis and renal failure) were the statistically significant mortality-related factors (p < 0.05). Conclusion: Emergency surgery for ruptured aortic aneurysms continues to have high mortality, but the unruptured cases are repaired with relative safety. Even though endovascular aortic repair is the trend for abdominal aortic aneurysms, an elective operation of the unruptured aneurysms could decrease the procedure's morbidity and the inconvenient for repeat evaluation with good surgical results.
Keywords
Surgery; Aneurysm; Aorta; abdominal;
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