deficiency of vitamin K delays clotting. Symptoms of vitamin K deficiency are excessive bleeding and bruises under the skin. Generally, the bacteria of the intestine produce vitamin K in quantities that are adequate (provided it can be absorbed), except in newborn infants, in whom the deficiency...
Eligibility criteria include critically ill children aged newborn (> 37 weeks corrected gestational age) to < 18 years who have blood total 25-hydroxyvitamin D < 50 nmol/L. The primary objective is to determine if rapid normalization of vitamin D status improves HRQL at 28 days following ...