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Otitis media with effusion and size at birth
1Medical Research Council Environmental Epidemiology Unit, University of Southampton. pmc@mrc.soton.ac.uk
Insights
Infant head-to-body proportions and ponderal index at birth may influence the risk of recurrent otitis media with effusion (OME). Fetal growth patterns, not just size, are linked to this common childhood ear infection.
Area of Science:
- Pediatrics
- Otolaryngology
- Developmental Biology
Background:
- Recurrent or persistent otitis media with effusion (OME) is a common pediatric condition.
- Understanding factors influencing OME risk is crucial for early intervention and management.
Purpose of the Study:
- To determine if specific fetal growth patterns are associated with the risk of developing recurrent or persistent OME.
- To explore the relationship between birth measurements and OME incidence.
Main Methods:
- A case-control study was conducted with 129 children undergoing grommet insertion for OME and 150 control subjects.
- Statistical analysis examined the association between OME and fetal growth parameters, including gestational age, birth size, head circumference to total length ratio, and ponderal index.
- Maternal history of pregnancy outcomes was also assessed.
Main Results:
- No significant association was found between OME risk and gestational age or individual birth size measures.
- Children with OME exhibited statistically significantly lower head circumference to total length ratios and ponderal indices at birth.
- Mothers of children with OME were more likely to have had previous pregnancies not ending in a live birth.
Conclusions:
- Fetal growth patterns, particularly body proportions and ponderal index at birth, appear to influence the risk of recurrent and persistent otitis media with effusion.
- These findings suggest that subtle variations in fetal development may predispose children to OME.
Abstract:
To investigate whether recurrent or persistent otitis media with effusion (OME) was associated with particular patterns of fetal growth, we conducted a case control study of 129 children admitted for insertion of grommets and 150 controls. The risk of OME was not statistically significantly related to gestational age or individual measures of size at birth, but the ratio of head circumference to total length and the ponderal index at birth were statistically significantly lower in children with OME, both before and after adjustment for the potentially confounding effects of sex, age at current operation, and maternal gravidity. Mothers of cases were 2.2 times more likely than those of controls to have had one or more previous pregnancies that had not ended in a live birth (95% CI 1.3-3.8). We conclude that fetal growth, reflected by proportions at birth, may affect later risk of recurrent and persistent OME.