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KMID : 0388720160230010015
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Journal of Korean Society of Spine Surgery
2016 Volume.23 No. 1 p.15 ~ p.24
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The Association of Low-energy Spine Fractures and Vitamin D Inadequacy: A Case-control Study
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:Lee Jae-Won
:Seo Wan-Sik/:Kang Byung-Jik/:Kim Joon-kuk/:Park Ye-Soo
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Abstract
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Study Design : Retrospective study.
Objectives : To compare serum vitamin D levels in elderly patients with or without osteoporotic spinal compression fractures (OSCFs) and to identify relationships between the serum vitamin D level and other variables, such as age, bone mineral density (BMD), and bone turnover markers (osteocalcin and C-telopeptide).
Summary of Literature Review : Vitamin D plays a key role in calcium metabolism in the bone tissue. Vitamin D deficiency can lead to decreased BMD and an increased risk of falls and of osteoporotic fractures.
Materials and Methods : We retrospectively reviewed the medical records of 95 elderly patients (≥60 years) with OSCFs (fracture group) and 118 subjects who had been diagnosed with osteoporosis without OSCFs (control group). Serum vitamin D levels were contrasted between the two groups taking into account other factors such as patient age, sex, and seasonal variations. For all the patients, we also evaluated the correlation between the vitamin D level and the patient age, BMD, and bone turnover markers.
Results : The mean of the serum 25(OH) vitamin D3 levels was significantly lower in the fracture group than in the control group. There were significant differences in the 25(OH) vitamin D3 levels in autumn. In all patients, the mean serum 25(OH) vitamin D3 levels were the highest in autumn and the lowest in spring. Furthermore, the mean serum 25(OH) vitamin D3 levels were significantly correlated with patient age and BMD.
Conclusions : A low serum vitamin D level might be a risk factor of OSCFs in elderly patients.
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KEYWORD
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1,25 Dihydroxyvitamin D3, Spinal fracture, Osteoporosis, Bone mineral density
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