The Mid-term Effect of Bare Metal Suprarenal Fixation on Renal Function Following Endovascular Abdominal Aortic Aneurysm Repair

The aim of this study was to assess the mid term effect of proximal bare metal fixation design on renal function in patients undergoing endovascular repair (EVR) of abdominal aortic aneurysm (AAA). Consecutive EVR patients for AAA from December 1995-2001 were included and grouped to either infrarena...

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Bibliographic Details
Published in:European journal of vascular and endovascular surgery 2006-11, Vol.32 (5), p.516-522
Main Authors: Davey, P., Rose, J.D., Parkinson, T., Wyatt, M.G.
Format: Article
Language:English
Subjects:
AAA repair
Aged
Aged, 80 and over
Angioplasty - adverse effects
Aortic Aneurysm, Abdominal - blood
Aortic Aneurysm, Abdominal - surgery
Aortic Aneurysm, Abdominal - urine
Blood Vessel Prosthesis Implantation - adverse effects
Creatinine - blood
Creatinine - urine
Endovascular repair
Female
Humans
Kidney Diseases - blood
Kidney Diseases - etiology
Kidney Diseases - urine
Kidney Function Tests
Male
Middle Aged
Prospective Studies
Prosthesis Design
Renal Artery - surgery
Renal function
Stenting
Stents
Suprarenal fixation
Transrenal fixation
Treatment Outcome
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Summary:The aim of this study was to assess the mid term effect of proximal bare metal fixation design on renal function in patients undergoing endovascular repair (EVR) of abdominal aortic aneurysm (AAA). Consecutive EVR patients for AAA from December 1995-2001 were included and grouped to either infrarenal (Group 1) or uncovered suprarenal (Group 2) fixation. Peri-operative renal function and at 6, 12 and 24 months was determined by serum creatinine (sCr mmoll −1) and Cockroft-Gault creatinine clearance (CrC mlmin −1). Changes in renal function were compared using non-parametric analysis. Of the 179 EVR procedures during this six-year period, paired renal data was available for 135 patients at a minimal follow-up of 6 months (Gp1, n = 63; Gp2, n = 72). Median pre-EVR sCr and CrC were 113, 57 in Group 1 and 108, 58 in Group 2, p = NS. There was no significant deterioration in renal function within or between either group at 2 years post-EVR: median sCr, CrC values were 118, 56 (Group 1) and 111, 56 (Group 2), all p = NS. This study suggests mid-term renal function remains unaffected following EVR of AAA, irrespective of proximal fixation type. Designs to improve stent durability and EVR applicability do not appear to compromise renal function.
ISSN:1078-5884
1532-2165
DOI:10.1016/j.ejvs.2006.04.034