Effect of suprarenal versus infrarenal aortic endograft fixation on renal function and renal artery patency: a comparative study with intermediate follow-up

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Effect of suprarenal versus infrarenal aortic endograft fixation on renal function and renal artery patency: a comparative study with intermediate follow-up L.Louis Lau, MD, Albert G Hakaim, MD, W.Andrew Oldenburg, MD, Beate Neuhauser, MD, J.Mark McKinney, MD, Ricardo Paz- Fumagalli, MD, Andrew Stockland, MD Journal of Vascular Surgery Volume 37, Issue 6, Pages 1162-1168 (June 2003) DOI: 10.1016/S0741-5214(03)00083-1

Fig 1 Zenith modular bifurcated endograft. Note suprarenal uncovered stent crossing renal artery ostia. Journal of Vascular Surgery 2003 37, 1162-1168DOI: (10.1016/S0741-5214(03)00083-1)

Fig 2 Axial contrast-enhanced CT scans of one of two patients with preexisting renal artery stenosis. A, Scan obtained before EVAR shows patent renal arteries and contrast uptake by kidneys. B, Scan obtained 1 month after endografting. Left kidney is atrophic, with nonfilling of the left renal artery compared with normal sized right kidney with widely patent right renal artery. Journal of Vascular Surgery 2003 37, 1162-1168DOI: (10.1016/S0741-5214(03)00083-1)

Fig 3 Box and whisker plot of serum creatinine concentration. *P = .045, †P = .008, group 1 vs group 2. Open circles, Extreme values; open boxes, group 1 (infrarenal fixation); solid boxes, group 2 (suprarenal fixation). Journal of Vascular Surgery 2003 37, 1162-1168DOI: (10.1016/S0741-5214(03)00083-1)

Fig 4 Estimated creatinine clearance, Cockcroft-Gault formula. P = .121, Wilcoxon rank-sum test, group 1 vs group 2. Open boxes, Group 1 (infrarenal fixation); solid boxes, group 2 (suprarenal fixation). Creatinine clearance = [(140 − age) × weight]/(SCr × 72) for men or [(140 − age) × weight]/(SCr × 85) for women. Journal of Vascular Surgery 2003 37, 1162-1168DOI: (10.1016/S0741-5214(03)00083-1)