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Author Topic: Taiwan: Long-term outcomes of living kidney donors over the past 28 years  (Read 1945 times)

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Offline Clark

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http://www.ncbi.nlm.nih.gov/pubmed/22310573

Transplant Proc. 2012 Jan;44(1):39-42. doi: 10.1016/j.transproceed.2011.12.024.
Long-term outcomes of living kidney donors over the past 28 years in a single center in Taiwan.
Tsai SF, Shu KH, Ho HC, Wu MJ, Cheng CH, Lian JD, Wen MC, Su CK, Yu TM, Chuang YW, Huang ST, Chen CH.
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Abstract
BACKGROUND:
The chronic shortage of kidneys for transplantation has increased the number of living donations, but demand remains high, which has created a long waiting list of end-stage kidney disease patients. Donors with decreased renal mass may suffer a higher risk of developing proteinuria, hypertension (HTN), and chronic renal disease (CKD) during long-term follow-up.
METHODS:
We retrospectively retrieved medical data of living kidney donors at our hospital over the past 28 years.
RESULTS:
There were 45 male and 60 female donors with a mean donation age of 46.34 ± 12.47 years (range = 20-70y). The mean follow-up duration was 4.67 ± 4.78 years. The serum creatinine (Cr) at donation was 0.93 ± 0.22 mg/dL, while the latest Cr was 1.26 ± 0.45 mg/dL (P < .001). The mean age at follow-up was 50.95 ± 14.57 years. At last follow-up, eight subjects (7.6%) displayed HTN requiring treatment, 10 (9.5%), proteinuria and 55.4%, an estimated glomerular filtration rate (eGFR) of less than 60 mL/min, including one with diabetic nephropathy at 10 years after donation who required long-term hemodialysis. Although gender did not correlate with occurrence of HTN, proteinuria, and CKD, the occurrence of CKD was associated with age at donation (P < .001, odds ratio [OR] = 1.076), and age at follow-up (P < .001, OR = 1.071). HTN donors were older (P = .036, OR = 1.057) with longer follow-up durations (P = .007, OR = 1.166) and had higher Cr values at donation (P = .044, OR = 94.4). Donors with proteinuria were not related to gender, follow-up duration, initial Cr, warm ischemic time, or duration of admission. eGFR was indeed worse after donation (P = .002).
CONCLUSIONS:
Our results indicated a significant proportion of living donors may develop CKD upon long-term follow-up. The factors affecting donor risk of CKD were baseline renal function, older age, and duration after kidney donation.
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