Analysis of Effects of Fixation Type on Renal Function After Endovascular Aneurysm Repair
2013
PurposeTo report a prospective nonrandomized study comparing the effects of suprarenal (SR) vs. infrarenal (IR) stent-graft fixation on renal function in patients undergoing endovascular aneurysm repair (EVAR) for abdominal aortic aneurysm (AAA).MethodsPatients with AAA undergoing elective EVAR between June 2008 and June 2010 were eligible for the comparative study of fixation method on renal function. Patients with impaired renal function [estimated creatinine clearance (eCrCl) <30 mL/min] or a history of renal impairment were not eligible. Renal function was assessed by measuring serum creatinine (SCr) and total proteins and microalbumin in the urine preoperatively, on postoperative day 1, and at 1, 6, and 12 months. The eCrCl was calculated using the Cockcroft-Gault formula. A standard preoperative hydration protocol was followed in all patients, and stent-graft choice was at the operator's discretion. Of 116 patients undergoing elective EVAR in the study period, 16 were ineligible, leaving 100 patient...
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