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International Angiology 2018 October;37(5):377-83

DOI: 10.23736/S0392-9590.18.04010-5

Copyright © 2018 EDIZIONI MINERVA MEDICA

language: English

Renal function after abdominal aortic aneurysm repair in patients with baseline chronic renal insufficiency: open vs. endovascular repair

Pablo MARQUES DE MARINO , Isaac MARTINEZ LOPEZ, Iñaki CERNUDA ARTERO, Maday CABRERO FERNANDEZ, Ferran PLA SANCHEZ, Oscar UCLES CABEZA, Francisco J. SERRANO HERNANDO

Department of Vascular Surgery, San Carlos Clinical Hospital, Complutense University, Madrid, Spain



BACKGROUND: The aim of this study is to analyze renal function impairment (RFI) after abdominal aortic aneurysm (AAA) repair in patients with preoperative chronic kidney disease (CKD).
METHODS: Retrospective cohort study of patients with CKD undergoing elective AAA repair between 2008-2015, dividing the sample into two groups: open repair (OR) and endovascular repair (EVAR). The primary outcome was RFI defined by the RIFLE scale, studying Risk (1.5-fold increase in Cr or GFR decline >25% compared to baseline) and kidney injury (doubling of Cr or GFR decline >50%).
RESULTS: Seventy-five patients (OR=29, EVAR=46). Baseline characteristics for OR and EVAR were similar except for age (70.4 vs. 77.2 years; P<0.001), coronary artery disease (31% vs. 56.5%; P=0.04), neck length (12.3 vs. 22.7 mm; P=0.001) and baseline GFR (40.6 vs. 36.9 mL/min; P=0.03). There were no inter-group differences in postoperative RFI: Risk of RFI 13.8% OR vs. 13% EVAR and kidney Injury 6.9% vs. 0% (P=0.19). There were also no differences in RFI at one year. Comparing GFR and Cr after surgery and at 12 months to baseline values, the OR group presented a significant postoperative decline in GFR compared to EVAR group (-3.8% vs. 11.1%; P=0.03), which had recovered at one-year follow-up (16.6% vs. 9.5%; P=0.43), while EVAR group presented with a tendency toward increased Cr during follow-up (-9.2% vs. 2.2%; P=0.08). Multivariate analysis did not identify independent RFI prognostic factors.
CONCLUSIONS: Both techniques can be used safely in patients with CKD and baseline CKD is not a limiting factor for either technique. RFI is rare and transient in both groups.


KEY WORDS: Renal insufficiency - Renal insufficiency, chronic - Endovascular procedures, Aortic aneurysm, abdominal

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