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隐性铁缺乏症(LID)是指机体铁贮存已减少而贫血尚未发生的一种亚临床缺铁状态,是儿童缺铁性贫血发生的前趋期。 1 临床资料 1.1 一般资料:选择我院儿科门诊或住院病人中有明显铁缺乏因素者。LID32例,男11例,女21例,4～6岁7例,7～11岁18例,12～14岁7例。缺铁原因有饮食习惯不良、拒食、偏食26例,营养供给差6例,月经过多4例,钩虫感染1例。临床表现为食欲不振27例,注意力不集中、多梦、睡眠差、理解能力下降11例,头昏、乏力7例,易感冒、腹泻6例,消瘦4例。 1.2 诊断标准:①血红蛋白(6岁以下≥110g/L,6岁以上≥120g/L)及红细胞数(6岁以下≥3.5×10~2/L.6岁以上≥4.
Recessive iron deficiency (LID) refers to a subclinical iron deficiency state in which the body’s iron stores have been reduced and anemia has not occurred, a pre-event of childhood iron deficiency anemia. 1 Clinical data 1.1 General Information: Select our pediatric outpatient or inpatient obvious iron deficiency factors. LID32 cases, 11 males and 21 females, 4 to 6 years in 7 cases, 7 to 11 years in 18 cases, 12 to 14 years in 7 cases. Iron deficiency due to poor eating habits, antifeedant, partial ejaculation in 26 cases, 6 cases of poor supply, menorrhagia in 4 cases, hookworm infection in 1 case. Clinical manifestations of loss of appetite in 27 cases, inattention, dreaminess, poor sleep, decreased ability to understand 11 cases, dizziness, fatigue in 7 cases, 6 were susceptible to cold, diarrhea, weight loss in 4 cases. 1.2 diagnostic criteria: ① hemoglobin (6 years of age ≥ 110g / L, 6 years of age ≥ 120g / L) and red blood cell count (6 years of age ≥ 3.5 × 10 ~ 2 / L ≥ 6 years old ≥ 4.