Abstract

LOPEZ RUIZ, María del Carmen et al. Osteoporosis and body mass index in renal transplant recipients. Nutr. Hosp. [online]. 2015, vol.32, n.2, pp.872-877. ISSN 1699-5198.  https://dx.doi.org/10.3305/nh.2015.32.2.9166.

Introduction: frequently after kidney transplantation there is an increase in weight with a resulting high percent of obesity in these recipients. This combined with a rapid loss of bone mass, a higher prevalence of osteoporosis and fractures is evident than in normal populations. Objectives: to explore the relationship between body mass index (BMI) and prevalence of osteoporosis in a population of renal transplant recipients. Methods: prospective longitudinal study design. The study was conducted on 306 kidney transplant recipients. The relationship between weigh and body mass index with femoral and lumbar osteopenia and osteoporosis prevalence at the moment of transplant and at 12 months post was explored. Results: there was a high prevalence of overweight (35.6%) and obese (14.1%) recipients after renal transplant and 1 year after (42.2% and 24.2% respectively). Significant differences were found(p = 0.049) between the weight at the time of transplant and the presence of osteopenia or osteoporosis at the lumbar level one year after, the highest weights were in recipients with osteoporosis. The mean BMI was higher (p = 0.028) in osteoporotic patients (26.59 kg/²) than in patients with osteopenia (24.23 kg/²). Conclusion: results seem to be consistent with recent studies in the general population showing excessive weight as a possible factor detrimental to the bone health.

Keywords : Renal transplantation; Obesity; Osteoporosis; Body mass index.

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