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Bone mineral density in live related kidney transplant children and adolescents

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Abstract

Successful kidney transplantation corrects many of the metabolic abnormalities associated with development of renal osteodystrophy, but despite a well-functioning graft, osteopenia, remains prevalent in adult and pediatric kidney recipients. The factors that affect the bone mineral density (BMD) and the long term course of BMD after transplantation in children is still unknown. We performed a cross sectional study to determine BMD in 83 recipients who received living renal allotransplants in Mansoura Urology & Nephrology Center between 1981 and 2002 (mean age at transplantation 13.2 ± 3.1 years) by dual energy x-ray absorptiometry at various time intervals up to 16 years after transplantation (mean duration after transplantation was 48 ± 34 months, range 12–192 months). The mean ± SD for BMD was −2.28 ± 2.06 for lumbar 2-4 spine and −1.44 ± 1.44 for the total body BMD as corrected for body surface area. Osteopenia/osteoporosis were present in about two thirds of our kidney transplant recipients. The significant risk factors for osteopenia/osteoprosis using univariate analysis were the cyclosporine based immunosuppressive regimen, cumulative dose of steroids/m2 surface area, graft dysfunction and the urinary deoxypyridinoline. Using logistic regression analysis the cumulative steroid dose/m2 surface area and the urinary deoxypyridinoline were the major significant predictors for bone loss. In conclusion, osteopenia and osteoprosis are common in pediatric and adolescent renal transplant patients. The cumulative steroid dose and the urinary deoxypyridinoline were the major predictors for bone loss.

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Authors and Affiliations

  1. Mansoura Urology & Nephrology Center, Mansoura University, Mansoura, Egypt, 35516

    Amr A. El-Husseini, Amgad E. El-Agroudy, Ehab W. Wafa, Tarek Mohsen, Mohamed A. Sobh & Mohamed A. Ghoneim

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  1. Amr A. El-Husseini
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  2. Amgad E. El-Agroudy
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  3. Ehab W. Wafa
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  4. Tarek Mohsen
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  5. Mohamed A. Sobh
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  6. Mohamed A. Ghoneim
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Correspondence to Mohamed A. Sobh.

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El-Husseini, A.A., El-Agroudy, A.E., Wafa, E.W. et al. Bone mineral density in live related kidney transplant children and adolescents. Int Urol Nephrol 36, 95–100 (2003). https://doi.org/10.1023/B:UROL.0000032694.80134.5f

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  • DOI: https://doi.org/10.1023/B:UROL.0000032694.80134.5f

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