Study Title:

Iron deficiency anemia induces postural control disorders in young women.

Study Abstract

Background: Due to menstruation and restrictive dietary practices, women are at a particular risk of iron deficiency anemia (IDA). This hematologic manifestation could impair postural control as it induces fatigue, muscle weakness, cognitive and neurological functions alteration.

Aim: This study aimed to investigate IDA effects on postural control in young women in comparison to healthy counterparts.

Material and methods: Twenty-four young women with IDA and twenty-four controls participated in this study. Center of pressure (CoP) excursions, in the bipedal and semi-tandem postures on the firm and foam surfaces in the eyes opened (EO) and closed (EC), were recorded, and Romberg index was calculated to evaluate postural control. Besides physical performance, attentional capacity, fatigue, and heart and respiratory rates were assessed.

Results: Young women with IDA had significantly higher CoP velocity (CoPv) values in the bipedal posture in both vision and surface conditions (EO [firm: P < 0.001 and foam: P < 0.01]; EC: P < 0.001), as well as in the semi-tandem posture (EO [firm: P < 0.01 and foam: P < 0.001]; EC: P < 0.001) compared to controls indicating that they had worse postural control than their peers. In addition, values of the respiratory rate (P < 0.001), attentional capacity (P < 0.001), physical performance (P < 0.001), fatigue (P < 0.001), and Romberg index on the foam surface in both postures (P < 0.05) were significantly higher in young women with IDA compared to controls.

Conclusions: Physical performance, fatigue, tachypnea and attentional capacity resulting from IDA may explain postural control disorder in young women.

Study Information

J Trace Elem Med Biol. 2021 Dec;68:126868. doi: 10.1016/j.jtemb.2021.126868. Epub 2021 Sep 23. PMID: 34597961.

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