• J Formos Med Assoc · Sep 2014

    Acute renal injury after thoracic endovascular aortic repair of Stanford type B aortic dissection: incidence, risk factors, and prognosis.

    • Jian-Cheng Zhu, Shao-Liang Chen, Guo-Zhen Jin, Ming-Xue Shao, Jing Kan, Cun-Yu Lu, and Hui Xu.
    • Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China. Electronic address: zjcdexx@126.com.
    • J Formos Med Assoc. 2014 Sep 1; 113 (9): 612619612-9.

    Background/PurposeAcute kidney injury (AKI) significantly increases the risk of mortality in patients following cardiovascular intervention procedures. This study was carried out to investigate the incidence, predictors, and prognostic implications of AKI after thoracic endovascular aortic repair (TEVAR) of Stanford type B aortic dissection.MethodsA total of 156 patients with Stanford type B aortic dissection who underwent TEVAR were retrospectively analyzed between February 1, 2004 and October 31, 2011. Multivariable regression was used to predict risk factors for AKI. Association between baseline characteristics, postoperative AKI, and mortality during follow up was evaluated.ResultsAKI was identified in 48 (30.8%) of 156 patients, with seven (14.5%) patients requiring continuous renal replacement therapy. The in-hospital mortality rate was 0% in patients without AKI and 12.5% in those with AKI (p = 0.001). Univariate analysis identified preoperative chronic kidney disease, acute dissection, complicated dissection, malperfusion complications with comprehensive complications, and postoperative minimum estimated glomerular filtration rate within 48 hours as associated with AKI. Malperfusion complications [odds ratio (OR) = 4.828; 95% confidence interval (CI) = 1.163-20.03] were the only independent predictor of AKI. Patients suffering from AKI had a 14-fold increased risk for 30-day mortality (OR = 14.3; 95% CI = 1.7-118.4; p = 0.014) and a 10-fold increased risk for 1-year mortality (OR = 9.5; 95% CI = 2.02-44.9; p = 0.004).ConclusionA significant rate of AKI was observed following TEVAR and was associated with an increase in 30-day and 1-year mortality. Malperfusion complications were identified as an independent predictor of AKI.Copyright © 2014. Published by Elsevier B.V.

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