轻度缺铁性贫血对儿童身体作功能力的影响

本文研究了130名轻度缺铁性贫血和正常的7岁儿童的身体作功能力。分别在治疗前、后30天及60天时采手指血分析Hb、FEP、FEP/Hb、SF;同时测定身体作功能力指标(PWC_(170)、R·PWC_(170)、W·HR、Vo_2max)。发现轻度缺铁性贫血儿童的各测定指标均与正常儿童有显著差异,但经硫酸亚铁(300mg/d)治疗60天后,各测定指标均恢复到正常水平。本文研究结果证明了轻度缺铁性贫血可使儿童身体作功能力明显降低。

EFFECTS OF MILD IRON DEFICIENCY ANEMIA ON CHILDREN'S PHYSICAL WORK CAPACITY

This study was carried out to determine the effects of mild iron deficiency anemia (IDA) on physical work capacity (PWC) of 7-year-old children in Beijing. Ninety-three mild IDA children and thirty-seven well-to-do children served as volunteer subjects. Finger blood samples were obtained for Hb, FEP, FEP/Hb, SF determination; PWC data were assessed by measuring PWC 170, R.PWC170, Workload Heart Rates (W.HR), estimated Vo2max before, in the middle, and after treatment, respectively. After the mild IDA children were cured with iron supplement (300mg ferrous sulfate per day) for 60 days, their values of Hb, FEP, FEP/Hb, SF changed significantly from original 10.5g/dl, 41.8ng/dl, 4.6μg/g, 13.2ng/ml to 12.5g/dl, 24.1μg/dl, 2.0μg/g, 75.7ng/ml respectively (P<0.01); and values of PWC170, R.PWC170, low W.HR, high W.HR, Vo2max also changed significantly from 191kgM/min, 8.8kgM/min/kg, 147T/min, 183T/min, 1.6L/min to 281kgM/min, 12.2kgM/ min/kg, 132T/min, 157T/min, 1.9L/min, respectively (P<0.01). It suggested that mild IDA could reduce PWC of children significantly.