Vitamin D is very important for overall health and wellbeing. A major source of vitamin D comes from exposure to sunlight. Measurement of 25-hydroxyvitamin D in the blood and not 1,25-dihydroxyvitamin D is used to determine vitamin D status. A blood level of 25-hydroxyvitamin D of at least 20 ng/mL is considered to be vitamin D sufficient. Vitamin D deficiency increases the risk of many common ...

non:union: is common complication of fracture management. various factors are involved in its occurring. metabolic and endocrine factors are often overlooked. so that aim of study was to evaluate the level of vitamin d and pth in patients with unexplained non:union: and fractures due to low energy trauma. in the case control study, 30 patients with tibial non:union: compared with 32 patients wi...

We thankWeir and Borek (1) for the thorough reading of our article (2). Weir and Borek mention the limitations of the use of a single vitamin D measurement despite the potential individual variations in vitamin D status. This is a valid point because a single vitamin D measurement at baseline may lose predictive power over time. However, the estimates were very similar, when we only included a ...

In recent years it has been shown that vitamin D deficiency is associated with an increased incidence as well as the progression of a broad range of diseases including osteoporosis, rickets, cardiovascular disease, autoimmune disease, multiple sclerosis and cancer. Consequently, requests for the assessment of vitamin D status have increased dramatically. Despite significant progress in the anal...

This article provides data and a method related to a research paper entitled "Assessing vitamin D nutritional status: is capillary blood adequate?" (Jensen et al., 2016) [1]. Circulating 25OHD, the accepted biomarker of the vitamin D nutritional status, is routinely measured by automated immunoassays, that although may be performed in hospital central laboratories, often suffer from a lack of s...

This study assessed the utility of serum alkaline phosphatase as a screening test to identify vitamin D deficiency and documented that it was not a useful screening tool.

Results OPN levels (ng/ml) were significantly higher in asthmatics in exacerbation period when compared to nonexacerbation period, and controls [30,61±3,21 vs. 28,7 ±3,71 vs. 27,62±3,91, respectively; p<.001]. There was no significant difference among OPN levels between asthmatics and controls, (p=.094). 25(OH)D levels (ng/ml) were significantly lower in asthmatics in exacerbation period when c...

Recent evidence for the nonskeletal effects of vitamin D, coupled with recognition that vitamin D deficiency is common, has revived interest in this hormone. Vitamin D is produced by skin exposed to ultraviolet B radiation or obtained from dietary sources, including supplements. Persons commonly at risk for vitamin D deficiency include those with inadequate sun exposure, limited oral intake, or...

Background: Ageing of population worldwide will be responsible for a major increase of the incidence of osteoporosis in elderly. For the individual, osteoporotic fractures result in great disability as well as loss of quality of life and also represent an enormous burden for healthcare systems. This study was conducted to determine the prevalence of osteoporosis and it's association with serum ...