Wang Xiaochuan Children’s Hospital Immunocompromised Host Individual who has one or more defects in the body’s natural defense mechanisms which are sufficiently severe to predispose the host to life￾threatening infection Primary - PID, damage to anatomical barriers Secondary - infection, tumor, drug, others Physiology- Infants, aged

Vitamin D roles Facilitate intestinal absorption of calcium and phosphorus Promote renal reabsorption of phosphorus Direct effect on bone deposition and reabsorption of calcium and phosphorus Maintain calcium and phosphorus homeostasis

Definition PEM is a kind of malnutrition caused by inadequate dietary intake or some diseases, occurs commonly in children under 3 years of age

Overview 1. Definition of Accidental Trauma： Accident, Unexpected, Injuries Physically and/or Psychologically 1. Causes: physical, chemical, and biological factors 2. Main cause of mutilation and death in children globally

1. 意外伤害(Unintentional Injury) ：突然发生的事件对人体所造成的肉体和精神上的伤害，原因包括物理、化学和生物等各种因素，是儿童致伤、致残、致死的主要原因之一

Bacteremia： Bacteria invade into blood temporarily with flora <100 CFU/ml in blood Septicemia or Sepsis： Pathogens(bacteria or fungi) invade into blood,proliferate greatly,and release endotoxin Toxemia： Endotoxin absorbed into blood with no bacteria Septicopyemia：

Bacteremia： Bacteria invade into blood temporarily with flora <100 CFU/ml in blood Septicemia or Sepsis： Pathogens(bacteria or fungi) invade into blood,proliferate greatly,and release endotoxin Toxemia： Endotoxin absorbed into blood with no bacteria Septicopyemia：

骨折概论 常见四肢骨折 脊柱脊髓伤与骨盆骨折 关节损伤 骨感染与骨肿瘤 颈腰椎退行变与运动系慢性损伤

离退休综合症及其防治 （一）退休的心理变化阶段 （二）病因 （三）临床表现 （四）影响因素 （五）防治措施

1、运动领域 （1）粗大运动能力训练 ①基本动作训练 头部控制：玩具吸引，声音引导，双手提拉或托起，物体追寻，言语刺激；