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  • Title: Priority for children in cadaveric kidney sharing: the strategy adopted in Sao Paulo, Brazil.
    Author: Koch Nogueira PC, Amaral AS, Boni R, Pereira LA, Pinheiro Machado PG, Pestana JO.
    Journal: Pediatr Transplant; 2004 Oct; 8(5):502-6. PubMed ID: 15367288.
    Abstract:
    Early kidney transplantation is crucial in order to accomplish both optimal mental development and the best adult height in children with end-stage renal disease. The aim was to evaluate the efficacy of the child priority policy for cadaveric kidney sharing adopted in the State of Sao Paulo (Brazil). We performed a retrospective study of data collected by the Government Transplant Department in São Paulo, involving all patients included in the waiting list from August 13, 1998 to December 31, 2001. During the study period, the child priority policy had been changed giving: period A--from the outset up to March 14, 2001, where the rule was to direct cadaveric kidneys obtained from children <12 yr, to recipients <12 yr; period B--from March 14, 2001 onwards, where the policy had been broadened to include cadaveric donors <18 yr, destined for recipients <18 yr. We performed the analysis of the data comprising 8940 patients, 8622 being adults (mean age = 48.6 +/- 14.1 yr, 3594 females) and 318 children (mean age = 11.9 +/- 5.1 yr, 156 females). Over the 3.5-yr follow-up there were 1964 deaths [1933 adults and 31 children, odds ratio (OR) 0.37; 95% CI 0.25-0.55], 1032 living donor kidney transplants (963 adults and 69 children, OR 2.20; 95% CI 1.66-2.93), and 556 cadaveric kidney transplants (444 adults and 112 children, OR 10.11; 95% CI 7.75-12.94). Three and a half years after being enrolled on the list, 24% of the children and 75% of the adults, respectively, were still awaiting a cadaveric kidney transplant (log rank test = 539, p < 0.00001). The analysis of period A vs. period B, suggests that the raising of the inclusion age upper limit to 18 yr, resulted in a twofold increase in the percentage of children being grafted within 6 months of enrollment. Overall, our data shows a slow rate of cadaveric kidney transplantation activity in Sao Paulo. Children's chances of receiving a living donor kidney almost doubled. Moreover, 19.5% of pediatric recipients had received their kidney within the first year of being enrolled on the waiting list. The scheme adopted in Sao Paulo is encouraging, but the results remain less favorable than those observed in other countries. The adoption of the priority policy did not result in an unacceptable increase of adult waiting time, given that the number of adults on our waiting list outweighs by far the number of children.
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