第五章第五节 RicketsofvitaminDdeficiency 概述 紫外线 皮肤 skinskin 7-脱氢胆固醇 VitD 3 (胆骨化醇) 25-OHD 羟化 肝 LiverLiver 1,25-(OH)2-D3 羟化 肾 kidneykidney 食物 (蛋、鱼肝油) 内源性 (主要)外源性 骨、肾、肠 促进小肠粘膜 对钙磷的吸收 促进肾小管对促进肾小管对 钙磷钙磷的重...
RicketsofVitDDeficiency非临床.ppt,初期 (早期)The early stage 年龄 < 6 months(3 months) 症状 神经精神症状 夜惊、烦躁(夜啼郎) 、多汗(摇头) 体征 枕秃 生化改变 Ca 正常或轻?, P 正常 or ? Ca ?P ? 35 (正常30-40) 25-OHD ? , AKP ? 骨骼X线 无改变或钙化带
湘雅儿科精品课件-ricketsofvitddeficiency宝典 系统标签: vitdricketsdeficiency儿科rickitsakp 中南大学儿科学教研室中南大学儿科学教研室 刘晓艳刘晓艳 第五章第五节(2) Purpose Befamiliarwithetiologyandpathogenesisofrickitsand tetanyofVitaminDdeficiency. Tomastertheirclinicalmanifestations, diagnosis,treatmentandprev...
Introduction Vitamin D deficiency rickets is characterized biochemi- cally by hypophosphatemia, elevated alkaline serum phosphatase activity, enhanced renal phosphate excre- tion, and renal hyperaininoaciduria. Hypophospha- temia, hyperphosphatascmia, and phosphate diabetes are considered to be due to ...
Vitamin D deficiency rickets is associated with the lowering of general immune resistance4 and has also been correlated with increased incidence of pneumonia, diarrhoea and other infections.5 The reduction in immune resistance among Mongolian children may be a contributing factor to the high incidence ...