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  • Title: Early and late outcomes of inflammatory abdominal aortic aneurysms: comparison with the outcomes after open surgical and endovascular aneurysm repair in literature reviews.
    Author: Maeda H, Umezawa H, Hattori T, Nakamura T, Umeda T, Kobayashi H, Kawachi H, Iida A, Shiono M.
    Journal: Int Angiol; 2013 Feb; 32(1):67-73. PubMed ID: 23435394.
    Abstract:
    AIM: The aim of this study was to analyze the clinical characteristics, operative management and early and late outcomes of Inflammatory abdominal aortic aneurysms (IAAAs) in our vascular service, retrospectively and to compare with the outcomes of open and endovascular aneurysm repair (EVAR) in the patients with IAAAs in literature reviews. METHODS: Between January 1990 and December 2011, this series included twenty-four patients with IAAAs who underwent surgical treatment. The mean length of follow-up was 37.6 months (range 3-108). Kaplan-Meier life tables were used to calculate survival rate. RESULTS: Fifteen patients (60%) were symptomatic including 3 patients with hydronephrosis. Seven patients with severe symptoms underwent emergency operations. Twenty four patients underwent open surgical AAA repair. The 30 - day mortality rates were 0%. All patients had successful post operative courses and followed as outpatients in an elective situation. The ten year cumulative survival rate was 70%. The early and late mortality was the same for open repair compared to non-inflammatory AAA. CONCLUSIONS: IAAA compared with non-IAAA is associated with a higher incidence of preoperative morbidity, however operative mortality rates are lower. EVAR has lower early operative mortality rates, however, there are some problems such as remaining periaortic fibrosis and hydronephrosis in approximately half of IAAA patients after EVAR.
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