Osteoporosis and Related Risk Factors in Renal Transplant Recipients

Ahmadpoor, P and Reisi, S and Makhdoomi, K and Ghafari, A and Sepehrvand, N and Rahimi, E (2009) Osteoporosis and Related Risk Factors in Renal Transplant Recipients. Transplantation Proceedings, 41 (7). pp. 2820-2822.

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Abstract

Decreased bone mineral density is a common problem after kidney transplantation. Osteoporosis has a major role in morbidity in these patients. We evaluated the incidence of osteoporosis and determined risk factors in 77 patients aged 17 to 50 years who had undergone renal transplantation 6 months to 2 years previously. Bone mineral densitometry was performed using dual-energy x-ray absorptiometry. The incidence of osteoporosis was 26% (20 of 77 patients). Mean (SD) age of affected patients was 34.6 (8.7) years. The most common sites of osteoporosis were the hip (osteoporotic in 19 patients [24.7%] and osteopenic in 42 [54.5%]) and the spine (osteoporotic in 6 patients [7.8%] and osteopenic in 52 [67.5%]). There was a significant relationship between posttransplantation creatinine concentration and hip osteoporosis (P � .01). No relationship was observed between osteoporosis and age, sex, body mass index, duration of hemodialysis therapy, cumulative dosage of any drugs, or use of pulsed methylprednisolone therapy. A hip or spine z score of 1 or less had no relationship to the number of steroid pulse sessions but was significantly related to the total dosage of cyclosporine (P � .001), prednisolone (P � .001), and mycophenolate mofetil (P � .05). A hip z score of less than 1 was related to the posttransplantation period (P � .02). In conclusion, osteoporosis is a frequent complication that requires detection and treatment to reduce morbidity

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