Background, The critical shortage of organs for transplantation has re
sulted in a controversial expansion of the criteria used to define a s
uitable cadaveric organ donor The shortage of kidneys has a particular
ly hard impact on those patients on the waiting list who have uncommon
major histocompatibility antigens or who are highly immunized, Method
s. To determine outcomes between patients receiving grafts from expand
ed criteria donors (ECDs) and others, a retrospective review of 105 co
nsecutive kidney transplantations performed at a single institution du
ring a 3 1/2-year period was conducted. A total of 44 (41.9%) patients
received kidneys from ECDs, 45 (42.9%) from conventional cadaveric do
nors, and 16 (15.2%) from live donors. All patients were treated by th
e same physicians and received either triple or quadruple sequential i
mmunosuppressive therapy. In general, high risk recipients did not rec
eive kidneys from ECDs. Results. Actuarial graft survival, incidence o
f delayed function, length of stay, and hospital charges were not sign
ificantly different between the ECD and conventional cadaveric donor g
roups of recipients. A higher incidence of urinary complications occur
red in the ECD group (p = 0.03). This incidence was noted primarily in
the recipients of kidneys from donors 5 years of age ol younger. Howe
ver, no allografts were last as a result of urinary complications. ECD
kidneys that were imported from outside the local catchment area acco
unted for approximately 25% of all cadaveric transplantations performe
d. Conclusions. With the appropriate selection of organs from ECDs, ac
ceptable results can be obtained. ECD organs can serve to partially al
leviate the extreme organ shortage. These organs should be procured an
d made available to those centers willing to use them.