• Chase R Brown, Zehang Chen, Fabliha Khurshan, Maximillian Kreibich, Joseph Bavaria, Peter Groeneveld, and Nimesh Desai.
• Division of Cardiovascular Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pa; Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pa.
• J. Thorac. Cardiovasc. Surg. 2020 Feb 1; 159 (2): 402-413.

ObjectiveThoracic endovascular aortic repair has been increasingly performed in higher-risk patients with renal failure. The objective was to compare Medicare patients with preoperative chronic kidney disease with patients with normal renal function to determine differences in postoperative survival and complications.MethodsFrom 2000 to 2014, 27,079 Medicare fee-for service patients underwent thoracic endovascular aortic repair. Patients were stratified by kidney function, and 23,375 patients (86%) had no chronic kidney disease, 2957 patients (11%) had chronic kidney disease stage I/IV, and 747 patients (3%) had end-stage renal disease or hemodialysis. Groups were then compared with determined differences in adjusted all-cause mortality and rates of postoperative complications.ResultsOverall survival was significantly worse among patients with chronic kidney disease and end-stage renal disease or hemodialysis compared with patients with no chronic kidney disease (1-year survival no chronic kidney disease: 78%; chronic kidney disease I/II: 77%; chronic kidney disease III: 67%; chronic kidney disease IV: 58%; and end-stage renal disease or hemodialysis: 48%, P < .001). Mortality was significantly increased among patients with chronic kidney disease III (hazard ratio [HR], 1.29; P < .001), chronic kidney disease IV (HR, 1.74; P < .001), and end-stage renal disease or hemodialysis (HR, 2.03; P < .001). No mortality difference was found between patients with no chronic kidney disease and patients with chronic kidney disease stage I/II. At 30 days after thoracic endovascular aortic repair, sepsis was increased for patients with chronic kidney disease stage III/IV (HR, 1.7; P < .001) and end-stage renal disease or hemodialysis (HR, 2.7; P < .001).ConclusionsIn this elderly Medicare population undergoing thoracic endovascular aortic repair, patients with chronic kidney disease stage III, chronic kidney disease stage IV, or end-stage renal disease/hemodialysis had poor survival and increased morbidity compared with those with normal kidney function. These data may suggest that patients with chronic kidney disease stage III, chronic kidney disease stage IV, or end-stage renal disease/hemodialysis should be more cautiously evaluated for thoracic endovascular aortic repair, weighing the benefits of the procedure against the high expected mortality.Copyright © 2019 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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