2008
DOI: 10.1590/s0004-27302008000300008
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Prevalência de deficiência e insuficiência de vitamina D e sua correlação com PTH, marcadores de remodelação óssea e densidade mineral óssea, em pacientes ambulatoriais

Abstract: ABE&M todos os direitos reservados RESUMOA deficiência de vitamina D (VD) leva ao raquitismo e à osteomalacia e sua insuficiência, caracterizada pelo hiperparatireoidismo secundário, pode resultar osteoporose. Apesar de amplamente prevalente, a insuficiência de VD ainda é pouco reconhecida e subtratada. Os autores estudaram 180 pacientes atendidos em ambulatório de endocrinologia em Belo Horizonte, que tiveram os níveis de 25(OH)VD mensurados, correlacionando-os com paratormônio (PTH), marcadores de remodelaçã… Show more

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Cited by 42 publications
(34 citation statements)
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“…In case of vitamin D deficiency, calcium absorption is insufficient failing to maintain the body's needs, may lead to secondary hyperparathyroidism 18,39,42,46,52 which is an increase of production of parathyroid hormone, besides the removal of calcium from bone and reabsorption in the kidneys to maintain their normal levels. Osteoporosis was found in 26.3% of 180 patients with vitamin D deficiency assessed by Silva et al 50 . A vitamin D deficiency is a situation that must be taken into consideration in the differential diagnosis of osteoporosis 41 .…”
Section: Methodsmentioning
confidence: 95%
“…In case of vitamin D deficiency, calcium absorption is insufficient failing to maintain the body's needs, may lead to secondary hyperparathyroidism 18,39,42,46,52 which is an increase of production of parathyroid hormone, besides the removal of calcium from bone and reabsorption in the kidneys to maintain their normal levels. Osteoporosis was found in 26.3% of 180 patients with vitamin D deficiency assessed by Silva et al 50 . A vitamin D deficiency is a situation that must be taken into consideration in the differential diagnosis of osteoporosis 41 .…”
Section: Methodsmentioning
confidence: 95%
“…So, the institutionalized group presented lower concentrations of 25(OH)D and higher concentrations of iPTH, while the non-institutionalized revealed higher concentrations of 25(OH)D and lower concentrations of iPTH. Several studies, performed on elderly, support the inverse relation between 25(OH)D and PTH (Portela et al, 2010;Saraiva et al, 2007;Silva et al, 2008). This results reflect the attempt to compensate the insufficiency of vitamin D, through the PTH.…”
Section: Discussionmentioning
confidence: 87%
“…The deficiency of vitamin D results in a decrease of the bone mineralization and in a rickets in the child and osteomalacia in the adult (Laird, Ward, McSorley, Strain, & Wallace, 2010). The hypovitaminosis D is a lack of vitamin increasingly frequent in the developed countries due to dietary errors lower sun exposure and sedentary lifestyle (Silva, Camargos, Fujii, Dias, & Soares, 2008;Thacher & Clarke, 2011). Beyond these aspects, several studies point to hypovitaminosis D even in countries with a lot of sun radiation and in studies made at the final of the summer (Lanhamnew, 2008;Pérez-llamas et al, 2008;Portela et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Nesse âmbito, uma série de avaliações epidemiológicas mostra que uma significativa parcela da população mundial, independente da idade, etnia e da localização geográfica, apresenta baixos níveis de vitamina D (8,9). Em território brasileiro, os estudos mostram prevalência de baixos níveis de 25(OH)D em cerca de 60% dos adolescentes (10); de 40% e 58% entre adultos jovens (11,12), e entre entre 42% e 83% em idosos, com taxas mais altas entre indivíduos com idades mais avançadas (12)(13)(14).…”
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