Fate of Accessory Renal Arteries in Grafts with Multiple Renal
Arteries during Live-Donor Renal Allo-Transplantation
A.M. Harraz, A.A. Shokeir, S.A. Soliman, A.S. El-Hefnawy, M.M. Kamal, I. Shalaby, A.I. Kamal, and
M.A. Ghoneim
ABSTRACT
Introduction. To determine risk factors for and the effects of impaired perfusion
(IP)—“reduced or non-perfusion”— of graft areas supplied by an accessory artery on
allograft function.
Objectives. One hundred five consecutive grafts with multiple renal arteries were
prospectively evaluated using Doppler ultrasound (US) to detect the perfusion of allograft
segments supplied by the accessory artery. We studied factors predicting and the effects of
IP on graft function.
Results. Doppler US diagnosed IP of allograft accessory arteries in 11 (10.5%)
allografts. Mean values standard deviations and median (range) of renographic
clearance of grafts with IP were 50.5 26 and 40 (range, 21–92) mL/min, while those of
grafts with patent accessory arteries were 68.6 18.9 and 67.2 (range 21–117; P .01).
The percentage change in renographic clearance before versus after transplantation
increased among grafts with patent arteries and decreased for those with IP (P = .03). On
multivariate analysis, factors predicting IP of the accessory artery were delayed graft
function (odds ratio [OR] = 9.9; 95% confidence interval [CI] = 1.6 –58.6; P = .01) and
upper polar arteries (OR = 8.9; 95% CI = 1.8 – 43.4; P .01).
Conclusion. When considering transplants with accessory arteries, greatest attention
and efforts should be exerted on upper polar arteries to avoid delayed graft function.
D
ONOR GRAFTS WITH MULTIPLE ARTERIES
are accepted to expand the inclusion criteria for renal
transplant programs. Although some complications have
been reported,
1,2
they show comparable survivals to grafts
without them.
3–5
Even laparoscopic procurement has
shown safety and feasibility in hands of experienced trans-
plant surgeons.
6–9
Surgical techniques to anastomose accessory arteries
are well known.
10 –13
Nevertheless, neither radiological
evidence of the patency of the accessory artery nor the
effect of postoperative occlusion of the accessory arteries
on graft outcomes has not been widely studied. We
sought to determine whether the occlusion of the acces-
sory graft artery as determined by impaired perfusion
(IP) of the area of the graft supplied by the accessory
artery affected early graft function. Secondarily, we
aimed to define factors responsible for patency of the
accessory artery to maximize perfusion and optimize
graft outcomes.
METHODS
Study Population
After obtaining our institutional review board acceptance, we
performed a retrospective study to identify functional and anatom-
ical outcomes of living donor renal allografts bearing multiple renal
arteries between November 2002 and January 2011. Among 731
grafts procured using an open approach 108 bore multiple arteries
of which full imaging data were available for 105 cases. Retrieved
data included baseline characteristics and demographic features of
donors and recipients together with anatomical and functional
From the Urology Department (A.M.H., A.A.S., S.A.S.,
A.S.E.-H., M.M.K., M.A.G.), Radiology Department (I.S.), and
Nephrology Department (A.I.K.), Urology and Nephrology Cen-
ter, Mansoura University, Mansoura, Egypt.
Address reprint requests to Ahmed A. Shokeir, MD, PhD,
FEBU, Professor of Urology, Editor-in-Chief Arab Journal of
Urology, Urology and Nephrology Center, Mansoura University,
Mansoura, Egypt. E-mail: ahmed.shokeir@hotmail.com
0041-1345/13/$–see front matter © 2013 by Elsevier Inc. All rights reserved.
http://dx.doi.org/10.1016/j.transproceed.2013.02.030 360 Park Avenue South, New York, NY 10010-1710
1232 Transplantation Proceedings, 45, 1232–1236 (2013)