RESUMEN
ABSTRACT Objective: To identify the prevalence of osteoporosis and hypovitaminosis D among patients at the Siriraj Metabolic Bone Disease (MBD) Clinic, and to compare initial vitamin D levels in patients with and without a history of fragility fractures. Methods: Medical records of patients who attended our MBD clinic between 2012 and 2015 were retrospectively reviewed. Patient baseline demographic, clinical, bone mineral density (BMD), and laboratory data were collected and analyzed. Osteoporosis was diagnosed when patients had a BMD T-score <-2.5 or presented with fragility fractures. Results: There were 761 patients included in this study. Of these, 627 patients (82.4%) were diagnosed with osteoporosis and 508 patients (66.8%) had fragility fractures. Baseline serum 25-hydroxyvitamin D (25(OH)D) levels were available in 685 patients. Of these, 391 patients (57.1%) were diagnosed with hypovitaminosis D. When evaluated only in patients with fragility fractures, the average initial 25(OH)D level was 28.2±11.6 ng/mL, and the prevalence of hypovitaminosis D was 57.6%. Conclusion: A high prevalence of osteoporosis and hypovitaminosis D was found among patients at our clinic; two-thirds of patients had a history of fragility fractures, and no difference in initial 25(OH)D levels was seen between patients with and without fragility fractures. Level of Evidence III, Retrospective Study .
RESUMO Objetivo: Identificar a prevalência de osteoporose e hipovitaminose D entre os pacientes na Siriraj Metabolic Bone Disease (MBD) Clinic e comparar o nível inicial de vitamina D em pacientes com e sem história de fratura por fragilidade óssea. Métodos: Os prontuários de pacientes atendidos em nossa clínica MBD durante o período de 2012 a 2015 foram analisados retrospectivamente. Os dados demográficos, clínicos, densidade mineral óssea (DMO) e os dados laboratoriais basais foram coletados e analisados. A osteoporose foi diagnosticada quando os pacientes tinham DMO com escore T≤ -2,5 ou fraturas por fragilidade óssea. Resultados: Foram incluídos 761 pacientes dos quais, 627 pacientes (82,4%) foram diagnosticados com osteoporose e 508 (66,8%) tinham fraturas por fragilidade. O nível sérico basal de 25-hidroxivitamina D (25(OH)D) estava disponível para 685 pacientes. Desses, 391 pacientes (57,1%) foram diagnosticados com hipovitaminose D. Quando avaliado apenas em pacientes com fratura por fragilidade óssea, o nível inicial médio de 25(OH)D foi de 28,2 ± 11,6 ng/ml e a prevalência de hipovitaminose D foi de 57,6%. Conclusão: Encontrou-se alta prevalência de osteoporose e hipovitaminose D entre os pacientes de nossa clínica, sendo que dois terços deles tinham história de fratura por fragilidade óssea e nenhuma diferença no nível basal de 25(OH)D entre pacientes com e sem fratura por fragilidade. Nível de Evidência III, Estudo Retrospectivo