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Lung India Official publication of Indian Chest Society  
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Year : 1994  |  Volume : 12  |  Issue : 4  |  Page : 168-173

Effect Of Iron Deficiency Anaemia On Pulmonary Function In Children



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S. N Dutt


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Peak expiratory flow rate (PEFR) was measured in 254 school going children using the Mini-Wright Peak Flow meter. They were then categorized into group a (n=111), having iron deficiency anaemia and Group B (n=143) with no iron deficiency. Group A children were treated with iron capsules for two months and those in Group B received placebo. The haemoglobin in Group A was between 9-11 gm% in 82% and between 6.9 gm% in 18%. Following iron therapy 90% had haemoglobin above 11 gm% and 10% between 10-11 gm%. Children in all age and sex categories in Group A showed a statistically significant increase in PEFR following (percentage increase 0.6%); PEFR remained unchanged in 40%, declined marginally in 33% and showed a marginal increase in 27%. Pretreatment PEFR was significantly higher in Group B compared to Group A in five of the eight study categories. Post-treatment PEFR in the two groups was statistically comparable in six of the eight categories. In two categories, Group A Children had significantly higher PEFR values than Group B children. Thus this study demonstrates that mild to moderate iron deficiency anaemia in children can adversely affect the lung functions, as made out by measuring PEFR.


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