نتایج جستجو برای: vitamin k deficiency
تعداد نتایج: 583680 فیلتر نتایج به سال:
vitamin d is essential for growth and vitamin d deficiency is important issue in adolescent girls as they have a limited rapid growth period .this cross sectional study was done on 167 female students in secondary guidance school in 2006. growth parameters, taking supplementary vitamin d, using sunscreen creams and the type of housing and their avoidance from exposure to sunlight was recorded. ...
background several studies indicated that there is a high prevalence of vitamin d deficiency in middle east countries. objectives the aim of this study was to determine the prevalence and assess some risk factors of vitamin d deficiency among women attending our clinics in tehran, the capital of iran. patients and methods five hundred and thirty-eight women aged 20-80 years were entered in this...
OBJECTIVE To investigate the possible link between neonatal administration of intramuscular vitamin K and childhood cancer. DESIGN Matched case-control study. SETTING Selected large maternity units in England and Wales. SUBJECTS Children with cancer born 1968-85, diagnosed 1969-86; controls matched for sex, month of birth, and hospital of birth. MAIN EXPOSURE MEASURES Neonatal administr...
Vitamin K deficiency bleeding (VKDB) in infancy is a serious but preventable cause of mortality or permanent disability. Lack of epidemiologic data for VKDB in sub-Saharan Africa hinders development and implementation of effective prevention strategies. We used convenience sampling to consecutively enroll mothers delivering in a southwestern Uganda Hospital. We collected socio-demographic and d...
The development of vascular calcification is an active, highly regulated process with similarities to bone formation. Osteocalcin (OC), a vitamin K-dependent protein expressed by osteoblasts, contains 3 gamma-carboxyglutamic acid residues derived from the vitamin K-dependent posttranslational modification of glutamic acid residues. Circulating undercarboxylated OC (ucOC) is increased in vitamin...
Background and purpose: Vitamin  deficiency has been observed in both developed and developing countries, including the Middle Ëast. Ïn this study, the prevalence of vitamin D deficiency was investigated in Ïsfahani male and female high school students in 2004. Materials and methods : Ïn a cross-sectional study, 318 students (153 boys & 165 girls) aged 14-18 years were selected by multist...
Background and Aim: Vitamin D is provided through dietary intake or synthesis in the skin by ultraviolet ray from sunlight. Vitamin D has a significant role in calcium homeostasis and cellular growth and facilitating normal immune system function. High prevalence of vitamin D deficiency is a particularly important public health in Iran. to The present study aimed at describing the prevalence of...
PURPOSE The role of vitamin K in the prevention and treatment of osteoporosis and arterial calcification is examined. SUMMARY Vitamin K is essential for the activation of vitamin K-dependent proteins, which are involved not only in blood coagulation but in bone metabolism and the inhibition of arterial calcification. In humans, vitamin K is primarily a cofactor in the enzymatic reaction that ...
Background To evaluate the hazard of prolonged antibiotic therapy and/or persistent diarrhea on vitamin K1 (VK1) level and bleeding profile in infants (2-24 weeks). Methods A one-year case-control study, conducted at Ain Shams University, Egypt. 338 infants (2-24 weeks) were recruited and divided into 3 groups (1:1:3 ratios); group A (n=67) patients who received antibiotics for ≥10 days, grou...
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