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Malaysian Orthopaedic Journal ; : 21-25, 2015.
Artigo em Inglês | WPRIM | ID: wpr-626688

RESUMO

Vitamin D has been the focus of much scientific literature in recent years owing to various studies showing its association with a wide variety of pathological conditions 1,2 . Sun exposure, diet and fortified supplementation account for a bulk of Vitamin D intake in humans. Activation of vitamin D is sequential and requires sun exposure for conversion of 7- dehydrocholesterol to Vitamin D3. Further metabolism in the liver converts Vitamin D3 to 25 –hydroxyvitamin D3. Conversion to its active form 1,25 dihydroxyvitamin D3 (Calcitriol) occurs in the kidneys 2 . The importance of Vitamin D in calcium metabolism and bone health is well known and documented. Controversies exist regarding the true prevalence of hypovitaminosis, however in developing countries the prevalence of vitamin D deficiency in all age groups is probably higher 3 . Adding to this the burden and morbidity of skeletal trauma, persistent deficiency may have a deleterious effect in the injured 4, 5 . Vitamin D, with its positive effect on bone health does play a role in the biology of fracture repair and remodelling 6 . The role of Vitamin D replacement as sole biological effectors in fracture repair may be difficult to quantify and confounded by other variables at play in bone healing. Studies looking at vitamin D levels in orthopaedic patients have also shown significant levels of deficiency and have put forward recommendations for evaluation and supplementation


Assuntos
Deficiência de Vitamina D
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