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  • Title: Renal function after autologous bone marrow transplantation in children: a long-term prospective study.
    Author: Frisk P, Bratteby LE, Carlson K, Lönnerholm G.
    Journal: Bone Marrow Transplant; 2002 Jan; 29(2):129-36. PubMed ID: 11850707.
    Abstract:
    We measured glomerular filtration rate (GFR), effective renal plasma flow (ERPF) and the concentrating capacity of the kidneys in children after autologous BMT. Twenty-six patients had received TBI in their conditioning regimen and 14 patients had received chemotherapy only. Median follow-up was 10 years. Mean GFR before BMT was close to normal in both groups. Mean GFR decreased from 124 [CI 114,134] ml/min/1.73 m(2) before BMT to 99 [CI 82,115] ml/min/1.73 m(2) 6 months after BMT in the + TBI group (P < 0.001). There was no significant change in the -TBI group. Mean ERPF before BMT was high: 1110 [95% CI 830,1390] ml/min/1.73 m(2) in the + TBI group and 910 [CI 570,1250] ml/min/1.73 m(2) in the - TBI group. Six months after BMT, there was a tendency to a decrease in ERPF in the +TBI group, to 760 [CI 580,940] ml/min/1.73 m(2) (P = 0.064). After this initial decrease, GFR and ERPF remained essentially unchanged in both groups. The mean concentrating capacity of the kidneys was normal before and after BMT. In seven patients chronic renal impairment developed after BMT (GFR <70 ml/min/1.73 m(2)). All had received TBI. They had also received more nephrotoxic antibiotics than the other patients. We conclude that TBI was the principal cause of deterioration of renal function after BMT, possibly by limiting compensatory hyperperfusion and resulting in a fall in GFR. Antibiotic treatment may have contributed.
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