摘要
对北京575名共13个项目的儿童青少年运动员(其中男299人、女276人,年龄在6—26岁)进行了铁营养状况及有关影响因素的系列研究。主要结果:1.儿童青少年运动员的贫血检出率,>14岁组男女的贫血率分别是22.5%和36.9%,≤14岁组男女分别是30.9%和57.9%;分析了运动员缺铁与多种因素有关研究结果提示青少年运动员在系统训练期铁供给量应比一般静态生活者高。作者提出:采用猪血球粉(含有血红蛋白铁)研制成复方血片和全血片治疗运动员缺铁性贫血,一个月后可使Hb提高0.8—1.0g/dL。
To provide evidence for prevention of iron deficiency, and iron deficient anemia, we conducted a series of studies on the iron status and its related factors in 575 athletes (male 299, female 276, aged 6-26 yrs)of training teams and amateur sport schools in Beijing. Main results: 1. Anemia incidences of athletes of>14 yrs group were 22.5% (male) and 36.9% (female); and theywere 30.9% (male) and 57.9% (female) in≤14 yrs group according to WHO's criteria. Data of free ery-throcyte porphrin (FEP), ferritin (Ft), FEP/Hb and serum iron levels of athletes in the anemia groups su-ggested that iron deficiency was one of the main factors induced athletes' anemia. 2. Iron deficiency of athletes was related to multifactors: (1) Average heme-iron intake of athletes was<10% of the total, and there have been unfavourablefactors in diet such as high proportion of fat energy, vitamin insufficiencies etc. which might affect ironabsorption. (2) Average loss of sweat iron of athletes in training was 0.42±0.12 mg/dL. ) Iron absorption rate of athletes in training (8.77±2.90%) was significantly lower than that of nontraining period (11.90±4.74%), P<0.05. The results suggested that the recommended dietary allowances of iron of athletes should be higher than that of general normal people in sedentary life. 3. Hb levels of iron anemic athletes increased by an average of 0.8-1.0 g/dL, Ft and FEP levels recovered to normal after one month's treatment by taking orally the pills made of pork blood cell powder which was designed to provide 18.2 or 12.6 mg heme-iron/day. The results showed that small amount of heme-iron was effective and safe with no side effects, and it is appropriate to extend in long term prophylactic-measures for iron deficient sensitive athletic population.
出处
《中国运动医学杂志》
CAS
CSCD
北大核心
1990年第3期140-145,共6页
Chinese Journal of Sports Medicine
关键词
青少年
运动员
铁营养
iron deficiency
iron absorption
recommended dietary allowances
