Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/95945
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Type: Journal article
Title: Iron deficiency anemia in infancy exerts long-term effects on the tibialis anterior motor activity during sleep in childhood
Author: Peirano, P.
Algarin, C.
Chamorro, R.
Manconi, M.
Lozoff, B.
Ferri, R.
Citation: Sleep Medicine, 2012; 13(8):1006-1012
Publisher: Elsevier
Issue Date: 2012
ISSN: 1389-9457
1878-5506
Statement of
Responsibility: 
Patricio Peirano, Cecilia Algarin, Rodrigo Chamorro, Mauro Manconi, Betsy Lozoff, Raffaele Ferri
Abstract: Objectives: To explore the eventual connection between iron deficiency anemia (IDA) in infancy and altered leg movements during sleep in a 10-year follow-up study in children who did or did not have IDA in infancy. Subjects and methods: Polysomnographic studies were performed in 32 10-year-old children (13 females and 19 males) who had IDA in infancy and 26 peers (10 females and 16 males) who were nonanemic controls. The time structure of their polysomnographically recorded leg movements (LM) was analyzed by means of an approach particularly able to consider their quantity, periodicity, and distribution during the night. Results: All LM indexes and those related to periodic LM during sleep (PLMS) were slightly higher in the former IDA group than in the control group, but not always significant. The Periodicity index during NREM sleep was higher and was reflected by a small but significant increase in PLMS separated by 10–50 s intervals. PLMS index tended to be higher in former IDA children than in controls throughout the whole night. Conclusion: The association between IDA in infancy, despite iron therapy, and PLMS in childhood could lead to new research in this area. Indeed, transient infantile IDA, a common nutritional problem among human infants, may turn out to be important for understanding the mechanisms of PLMS or restless legs syndrome, which are common in adulthood.
Keywords: Iron deficiency anemia in infancy; Periodic leg movements during sleep; Periodicity index; Non-REM sleep; Long-term effects of iron deficiency anemia in infancy; Children
Rights: © 2012 Published by Elsevier B.V. Open access under CC BY-NC-ND license.
RMID: 0030037418
DOI: 10.1016/j.sleep.2012.05.011
Appears in Collections:Medicine publications

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