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Updated: Nov 27, 2025

Breath Collection from Children for Disease Biomarker Discovery
Published on: February 14, 2019
[Breath-holding spells in children]
Bettina Bjerring, Nanette Mol Debes1
1nanette.marinette.monique.debes@regionh.dk.
Insights
Breath-holding spells in infants, possibly linked to autonomic system issues, may improve with iron treatment. Further research is needed due to low evidence levels for these episodes.
Area of Science:
- Pediatrics
- Neurology
- Autonomic Dysfunction
Background:
- Breath-holding spells are involuntary infant episodes triggered by provocation.
- These spells can cause seizures and loss of consciousness.
- The pathophysiology involves potential autonomic system dysregulation.
Purpose of the Study:
- To review current understanding of breath-holding spells.
- To explore potential contributing factors like iron deficiency and oxidative stress.
- To assess the efficacy of iron treatment and long-term implications.
Main Methods:
- Literature review of existing studies on breath-holding spells.
- Analysis of factors including iron levels, personality traits, and oxidative stress.
- Examination of treatment outcomes, particularly iron supplementation.
Main Results:
- Iron treatment has shown effectiveness in some cases.
- Associated issues include concentration problems.
- An increased risk of future syncope has been noted.
Conclusions:
- The exact pathophysiology of breath-holding spells remains unclear.
- Autonomic system dysregulation is a suspected factor.
- Low evidence necessitates further research, especially regarding iron's role.
Abstract:
Breath-holding spells are involuntary reflexive episodes in infants triggered by a provocation, which can result in seizures and loss of consciousness. The exact pathophysiology is yet unknown, but a dysregulation of the autonomic system seems to play a role. Several studies have examined the influence of iron, personality traits and oxidative stress, and treatment with iron has been shown to be effectful in some cases. Concentration problems and an increased risk of developing syncope later in life have been described. The level of evidence is low, and more future studies are needed, as argued in this review.
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