نتایج جستجو برای: vitamin a deficiency
تعداد نتایج: 13498368 فیلتر نتایج به سال:
Background Vitamin D deficiency is associated with physiologic changes that are similar to pathogenesis of preeclampsia. Although association of vitamin D and preeclampsia has been studied previously, their results are not consistent. The aim of this study was to investigate the relationship of serum vitamin D and calcium with preeclampsia severity. Materials and Methods: This case- control st...
Background: Vitamin D deficiency is common during pregnancy and childbirth. Recent findings suggest that vitamin D deficiency is associated with adverse pregnancy outcomes. This study was performed to determine the association between low levels of maternal serum vitamin D and some adverse pregnancy outcomes such as premature rupture of embryonic membranes. Materials and Methods: 73 pregnant w...
Background Vitamin D supplementation has been suggested as a part of an interdisciplinary approach for the management of chronic musculoskeletal pain in children and adolescents. This study aimed to compare vitamin D serum levels in Iranian children with chronic musculoskeletal pain with and without hypermobility. Materials and Methods: </s...
background : there is no data available regarding vitamin d status among patients with hip fractures in iran. this study aimed to determine whether postmenopausal women with low trauma hip fractures have lower vitamin d levels comparing to the control group. materials and methods: vitamin d (25-ohd) level and the prevalence of hypovitaminosis d among 73 postmenopausal women with fracture of t...
background: hypocalcemia is a well-recognized complication after total thyroidectomy. hypovitaminosis d may have additional effect in the development of hypocalcemia. this study aimed to determine the effect of total thyroidectomy on postoperative serum calcium in patients with and without hypovitaminosis d. methods: this prospective study was performed on patients who underwent total thyroidec...
According to studies, a significant association exists between the low levels of vitamin D and cardiovascular diseases such as myocardial infarction (MI). In a prospective, case control study, 88 patients with acute coronary syndrome (ACS) including ST elevation myocardial infarction (STEMI) and Non-STEMI were enrolled. The plasma level of 25-hydroxy vitamin D[25(OH)D] was obtained at the time ...
Background: Vitamin D deficiency is an unrecognized epidemic and a common health problem worldwide. The objective of our study was to determine the prevalence of vitamin D deficiency and its relationship with overall and abdominal obesity in adolescent girls. Methods: This cross-sectional, descriptive study was conducted on girls aged 14-17 years whom were selected by multistage random sampli...
It is unclear whether the survey regions, namely 6 of 1212 Villages and 4 peri-urban areas of 70 municipal wards, were chosen through an unbiased randomization process accounting at least for the socio-economic status. Apparently, the data primarily pertains to the marginalized and lower socio-economic population. The survey was largely conducted during the non winter period, when VAD estimates...
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