Transition from Open Surgery to Endovascular Treatment of Abdominal Aortic Aneurysm Rupture
Ημερομηνία
2016Γλώσσα
en
Λέξη-κλειδί
Επιτομή
Background To review the outcome before and after the implementation of protocol-based strategy for endovascular repair (EVAR) of abdominal aortic aneurysm rupture (rAAA). Methods A retrospective analysis of prospectively collected data from a tertiary center during the period 2006–2011. Demographics, comorbidities, blood examinations, perioperative patients' status, and mortality rates were recorded. Univariate and multivariate analyses were used to assess the association of the type of the procedure with various factors. Results A total of 58 (46 open surgical repair [OSR] and 12 EVAR) patients with mean age of 74 ± 17 years (91% males) were treated for rAAA. However, 39 (11 EVAR and 28 OSR) were operated with protocol-based strategy available. Total mortality rate was 52.6% (10 of 19) initially and 38.5% (15 of 39) after the implementation of a protocol-based strategy. During protocol-based treatment, the survival rate did not differ between the 2 procedures (7 of 11 EVAR and 17 of 28 OSR; P, ns). A 30-day mortality rate was associated with preoperative number of platelets (unadjusted P values, P = 0.013), age (odds ratio [OR] 0.796; 95% confidence interval [CI], 0.685–0.925; P = 0.003), and diastolic blood pressure (OR, 1.053; 95% CI, 1.016–1.093; P = 0.005). After mean follow-up of 48 ± 11 months, EVAR patients presented better outcome regarding mortality rate (36% OSR vs. 0% EVAR; P = 0.0464). Conclusions After the adoption of an available rEVAR protocol-based strategy, EVAR and OSR were equally effective during postoperative 30 days. The role of hypotension and age is important on poor outcomes during this period. However, after midterm follow-up, EVAR demonstrates better survival rates than OSR. © 2016 Elsevier Inc.
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