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[Relations between allergic rhinitis and otitis media with effusion. The role of the Eustachian tube]
C Ruggeri1, G Barberio, G B Pajno
1Istituto di Clinica Pediatrica, Università degli Studi di Messina.
Insights
Allergic rhinitis in children can lead to otitis media with effusion (OME) due to eustachian tube dysfunction. This condition may cause hearing loss, impacting a child
Area of Science:
- Otolaryngology
- Pediatrics
- Allergology
Background:
- Otitis media with effusion (OME) is prevalent in 35-50% of children with allergic rhinitis.
- Eustachian tube (ET) dysfunction is the primary mechanism linking allergic rhinitis to OME.
- Allergic inflammation impairs ET function, leading to middle ear pathology.
Purpose of the Study:
- To elucidate the pathogenetic link between allergic rhinitis and otitis media with effusion in children.
- To understand the consequences of ET dysfunction on middle ear status and hearing.
- To highlight the potential impact on child development.
Main Methods:
- Observational study correlating allergic rhinitis prevalence with OME.
- Pathophysiological analysis of ET dysfunction in allergic rhinitis.
- Assessment of middle ear secretions and their impact on auditory function.
Main Results:
- Confirmed a significant association between allergic rhinitis and OME.
- Identified ET dysfunction as the key mediator.
- Observed middle ear secretions, microbial proliferation, and mucosal changes.
- Noted potential for hearing loss (hypoacusis) and developmental interference.
Conclusions:
- Allergic rhinitis-induced ET dysfunction is a major cause of OME in children.
- Persistent OME can lead to irreversible hearing damage and affect child development.
- Early diagnosis and management of allergic rhinitis are crucial to prevent OME and its sequelae.
Abstract:
It was recently observed that otitis media with perfusion (OME) occurs in 35-50% of children suffering from allergic rhinitis. The main pathogenetic mechanism was identified as the dysfunction of the eustachian tube (ET) following its impairment during nose allergy infection. As a result of this dysfunction, the tympanic cavity is affected by: accumulated secretion, proliferation of germs and changes of the hypersecretion of the lining mucous. The long-term persistence of these secretions may damage the normal functions of the ossicular chain and thus the transmission of sounds, leading to the onset of hypoacusis which may interfere negatively with the child's mental-physical development.