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   Functional indicators of vitamin D adequacy for very low birth weight infants  
   
نویسنده Taylor Sarah N. ,Wahlquist Amy ,Wagner Carol L. ,Ramakrishnan Viswanathan ,Ebeling Myla ,Hollis Bruce W.
منبع journal of perinatology - 2018 - دوره : 38 - شماره : 5 - صفحه:550 -556
چکیده    Objectiveto identify the vitamin d status to optimize calcium and bone health in preterm infants.study designvery low birth weight infants had measurement of 25-hydroxyvitamin d status and markers of calcium and bone health from birth to term age. piecewise linear regression modeling was performed to identify a 25-hydroxyvitamin d threshold associated with stable parathyroid hormone concentration and bone mineralization.resultsin a cohort of 89 infants at term age, femur bmc and density increased linearly with 25-hydroxyvitamin d status until reaching a threshold of 48 ng/ml and 46 ng/ml, respectively. parathyroid hormone status decreased as vitamin d status increased until reaching a plateau at 25-hydroxyvitamin d of 42 ng/ml.conclusionpreterm infant vitamin d status was significantly associated with pth status and femur mineralization with suggestion that achieving a specific 25-hydroxyvitamin concentration is associated with optimal calcium homeostasis and femur bone mineralization.
آدرس Medical University of South Carolina, Department of Pediatrics, USA, Medical University of South Carolina, Department of Public Health, USA, Medical University of South Carolina, Department of Pediatrics, USA, Medical University of South Carolina, Department of Public Health, USA, Medical University of South Carolina, Department of Pediatrics, USA, Medical University of South Carolina, Department of Pediatrics, USA
 
     
   
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