【摘要】 儿童营养失衡、维生素或微量元素缺乏、细菌耐药率增加和治疗不彻底以及二肽酰肽酶Ⅳ或Toll样受体出现应答障碍等是儿童反复上呼吸道感染的重要因素;家庭环境中的病原微生物、有害生物因素和化学因素以及原发性免疫缺陷疾病等可能导致患儿反复下呼吸道感染;反复肺炎需要排除存在基础性疾病的可能性,有的病例可能与遗传性疾病有关。更多还原

【Abstract】 Malnutrition,vitamin or microelement deficiency,augment of drug resistance on bacteria,no-thorough treatment,dipeptide peptidase IV and Toll receptors function disorder may be the important factors to recurrent tonsillitis in children;pathogenic microorganism,pest,chemical factor and primary immunodeficiency disorder maybe lead to recurrent lower respiratory tract infection;recurrent pneumonia should exclude the possibility of the base disease,some cases may correlate with genetic diseases.更多还原