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Trends in Deceased Donor Kidney Availability and Utilization in the Kingdom of Saudi Arabia.
Experimental and Clinical Transplantation 2017 August
OBJECTIVES: We investigated trends in deceased donor kidney availability and utilization in Saudi Arabia, wait list changes, and recipient characteristics.
MATERIALS AND METHODS: Ten-year registry data from the Saudi Center for Organ Transplantation were analyzed, including consent/discard rates, numbers of kidneys from deceased donors versus expanded criteria and standard criteria donors, wait list characteristics, dialysis characteristics, and causes of chronic kidney disease.
RESULTS: Annual mean number of deceased donor transplants remained almost constant over the 10-year period (mean of 129). Use of kidneys from expanded criteria donors increased (from 16%-28%), which was associated with higher frequency of delayed graft function (36.2% vs 16%; P = .002) and acute rejection (5.4% vs 19.6%; P = .001) versus kidneys from standard criteria donors. Donor consent rate (34%) and cold ischemic time (12.3 hours) remained constant. Numbers of patients on wait lists remained fairly constant (mean of 2825), although those on dialysis on wait lists decreased from 24% to 17% (P < .0001). Overall wait list numbers remained level or even dropped despite increased patients on dialysis (from 7%-10% annually). Between 2008 and 2016, prevalence of patients > 65 and > 75 years rose by 4.2% and 2.4% and prevalence of diabetes mellitus in patients on dialysis increased by 59.2%. Of kidneys consented in 2016, 14.7% were not recovered, mainly because of sudden cardiac arrest (60%). Of total transplanted kidneys, proportion from deceased donors decreased from 51% (2008-2010) to 22.1% (2014-2016). Only 13% of recipients were older than 55 years, although they comprised 25% of the dialysis population, with patients < 18 years (comprising 2.2% of the dialysis population) receiving 15% of kidneys.
CONCLUSIONS: Deceased donor transplants remained almost constant; however, their proportion of total transplanted kidneys decreased, while transplants with extended criteria kidneys increased. Wait list totals decreased, with relatively less elderly patients and more children being transplanted.
MATERIALS AND METHODS: Ten-year registry data from the Saudi Center for Organ Transplantation were analyzed, including consent/discard rates, numbers of kidneys from deceased donors versus expanded criteria and standard criteria donors, wait list characteristics, dialysis characteristics, and causes of chronic kidney disease.
RESULTS: Annual mean number of deceased donor transplants remained almost constant over the 10-year period (mean of 129). Use of kidneys from expanded criteria donors increased (from 16%-28%), which was associated with higher frequency of delayed graft function (36.2% vs 16%; P = .002) and acute rejection (5.4% vs 19.6%; P = .001) versus kidneys from standard criteria donors. Donor consent rate (34%) and cold ischemic time (12.3 hours) remained constant. Numbers of patients on wait lists remained fairly constant (mean of 2825), although those on dialysis on wait lists decreased from 24% to 17% (P < .0001). Overall wait list numbers remained level or even dropped despite increased patients on dialysis (from 7%-10% annually). Between 2008 and 2016, prevalence of patients > 65 and > 75 years rose by 4.2% and 2.4% and prevalence of diabetes mellitus in patients on dialysis increased by 59.2%. Of kidneys consented in 2016, 14.7% were not recovered, mainly because of sudden cardiac arrest (60%). Of total transplanted kidneys, proportion from deceased donors decreased from 51% (2008-2010) to 22.1% (2014-2016). Only 13% of recipients were older than 55 years, although they comprised 25% of the dialysis population, with patients < 18 years (comprising 2.2% of the dialysis population) receiving 15% of kidneys.
CONCLUSIONS: Deceased donor transplants remained almost constant; however, their proportion of total transplanted kidneys decreased, while transplants with extended criteria kidneys increased. Wait list totals decreased, with relatively less elderly patients and more children being transplanted.
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