نتایج جستجو برای: vitamin d toxicity

تعداد نتایج: 745313  

Journal: :iranian journal of public health 0
z rahnavard s eybpoosh m rezaei homami hr aghaei meybodi b azemati r heshmat

background: the prevalence of vitamin d deficiency and its causative factors has been estimated more frequently in elder popula­tion, women, and patients with osteoporosis in different countries, but this issue is less defined in male population within different age groups especially in asian countries. therefore, we studied the role of effective factors in vitamin d defi­ciency and its prevale...

Journal: :iranian journal of neurology 0
masoud nikanfar department of neurology, neuroscience research center, imam reza hospital, tabriz university of medical sciences, tabriz, iran. ali akbar taheri-aghdam department of neurology, neuroscience research center, imam reza hospital, tabriz university of medical sciences, tabriz, iran. maria yazdani department of neurology, neuroscience research center, imam reza hospital, tabriz university of medical sciences, tabriz, iran. sheida shaafi department of neurology, neuroscience research center, imam reza hospital, tabriz university of medical sciences, tabriz, iran. nooshin masoudian department of neurology, school of medicine, tabriz university of medical sciences, tabriz, iran. hossein akbari department of neurology, school of medicine, tabriz university of medical sciences, tabriz, iran.

background: it seems that serum vitamin d levels are one of the potential environmental factors affecting the severity of multiple sclerosis (ms). in this study, we aim to evaluate vitamin d levels in ms patients and healthy subjects and assess the relationship between vitamin d level and disability. methods: in this case-control study, 168 rapid relapsing ms patients and 168 matched healthy co...

Radmehr Afsaneh Saniee Sara Zare Armaghan Ghareaghaji

Background: Alopecia areata (AA) is a common localized nonscarring hair loss. Vitamin D and such trace elements as zinc have significant immunomodulatory roles and are reduced in many autoimmune diseases. We aim to evaluate the zinc and vitamin D levels in AA patients belonging to an Iranian population. Methods: We randomly recruited 77 patients with AA, and 112 age- and sex-matched normal subj...

2014
M.S. Kraus K.M. Rassnick J.J. Wakshlag A.R.M. Gelzer A.S. Waxman A.M. Struble K. Refsal

BACKGROUND Vitamin D plays a pivotal role in cardiac function, and there is increasing evidence that vitamin D deficiency is associated with the development of congestive heart failure (CHF) in people. HYPOTHESIS Serum vitamin D concentration is lower in dogs with CHF compared with unaffected controls and serum vitamin D concentration is associated with clinical outcome in dogs with CHF. AN...

Journal: :The Turkish journal of pediatrics 2012
Behzat Ozkan Sükrü Hatun Abdullah Bereket

Vitamin D intoxication (VDI) may result from supplementation rarely, but it has been reported more frequently in recent years. This may be attributable to an increase in vitamin D supplement intake due to an understanding of the role of vitamin D (25OHD) in the pathogenesis of several diseases. The symptoms and findings associated with VDI are closely related to serum calcium concentration and ...

Abdolrahim Naseri, Abolfrazl Soltan Abadi, Ahmad Behvad, Parvaneh Vessal,

Vitamin D resistant rickets with alopecia is a rather rare heritable disease probably caused by a different variety of metabolic disorder of this vitamin. Disturbances of protoplasmic and unclear receptors for vitamin D metabolites in bones and intestinal cells have been proposed as basic mechanism; Alopecia is attributed to hypersensitivity to vitamin D; very much like what usually appears in ...

2015
Ahmed M. Kamr Katarzyna A. Dembek Stephen M. Reed Nathan M. Slovis Ahmed A. Zaghawa Thomas J. Rosol Ramiro E. Toribio Francesco Staffieri

BACKGROUND Hypocalcemia is a frequent abnormality that has been associated with disease severity and outcome in hospitalized foals. However, the pathogenesis of equine neonatal hypocalcemia is poorly understood. Hypovitaminosis D in critically ill people has been linked to hypocalcemia and mortality; however, information on vitamin D metabolites and their association with clinical findings and ...

In this study, the aim was to determine whether adding vitamin D to the standard therapeutic regimen of schizophrenic male patients with inadequate vitamin D status could improve some aspects of the symptom burden or not. This study was an open parallel label randomized clinical trial. Eighty patients with chronic stable schizophrenia with residual symptoms and Vitamin D deficiency were recruit...

Background: The percentage of elderly people is growing in our country. Aging is associated with multiple diseases, disabilities and heavy medical expenses. The new multi-functionalProtein, Klotho, not only reduces the aging process but also affects several diseases associated with older ages.The aim of this study was to evaluate the effect of vitamin D supplements on the plasma levels of kloth...

ژورنال: طلوع بهداشت یزد 2012
فلاح زاده, حسین, مظفـری خسـروی, حسن, نبی زاده اصل, لاله, هادی ندوشن, حسین, یاسینـی اردکانی, سید مجتبی,

  Background: Vitamin D plays a known role in a wide range of diseases such as osteoporosis, cancer, cardiovascular diseases, and diabetes. Recently, the role of vitamin D in cognitive function and mental health has been reported as well. Vitamin D concentrations have been demonstrated to be low in patients suffering from mood disorders and have been associated with cognitive function. The aim ...

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