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- Conor F Murphy, Talulla Dunne, Jessie A Elliott, Sivesh K Kamarajah, James Leighton, Richard P T Evans, James Bundred, Sinead King, Narayanasamy Ravi, Claire L Donohoe, S Michael Griffin, Ewen A Griffiths, Alexander W Phillips, and John V Reynolds.
- National Center for Esophageal and Gastric Cancer, Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin, and St. James's Hospital, Dublin 8, Ireland.
- Ann. Surg. 2022 May 1; 275 (5): e683-e689.
ObjectiveTo determine the incidence, risk factors, and consequences of AKI in patients undergoing surgery for esophageal cancer.Summary Of Background DataEsophageal cancer surgery is an exemplar of major operative trauma, with well-defined risks of respiratory, cardiac, anastomotic, and septic complications. However, there is a paucity of literature regarding AKI.Methodsconsecutive patients undergoing curative-intent surgery for esophageal cancer from 2011 to 2017 in 3 high-volume centers were studied. AKI was defined according to the AKI Network criteria. AKI occurred if, within 48 hours postoperatively, serum creatinine rose by 50% or by 0.3 mg/dL (26.5 μmol/L) from preoperative baseline. Complications were recorded prospectively. Multivariable logistic regression determined factors independently predictive of AKI.ResultsA total of 1135 patients (24.7%:75.3% female:male, with a mean age of 64, a baseline BMI of 27 kg m-2, and dyslipidemia in 10.2%), underwent esophageal cancer surgery, 85% having an open thoracotomy. Overall in-hospital mortality was 2.1%. Postoperative AKI was observed in 208 (18.3%) patients, with AKI Network 1, 2, and 3 in 173 (15.2%), 28 (2.5%), and 7 (0.6%), respectively. Of these, 70.3% experienced improved renal function within 48 hours. Preoperative factors independently predictive of AKI were age [P = 0.027, odds ratio (OR) 1.02 (1.00-1.04)], male sex [P = 0.015, OR 1.77 (1.10-2.81)], BMI at diagnosis [P < 0.001, OR 1.10 (1.07-1.14)], and dyslipidemia [P = 0.002, OR 2.14 (1.34-3.44)]. Postoperatively, AKI was associated with atrial fibrillation (P = 0.013) and pneumonia (P = 0.005). Postoperative AKI did not impact survival outcomes.ConclusionAKI is common but mostly self-limiting after esophageal cancer surgery. It is associated with age, male sex, increased BMI, dyslipidemia, and postoperative morbidity.Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.
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