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Adenoid infection: its relationship to otitis media, glue ear and tonsillitis
J E Osborne1, D Telford, G Barr
1Department of Otolaryngology, Ninewells Hospital, Dundee.
Insights
Bacterial infection in adenoids is linked to middle ear infections in children. However, the concentration of bacteria in adenoid tissue does not appear to influence the development of otitis media.
Area of Science:
- Otolaryngology
- Pediatric Infectious Diseases
- Microbiology
Background:
- Adenoidectomy is a common procedure for pediatric upper airway issues.
- Recurrent otitis media and tonsillitis are frequent indications for adenoidectomy.
- The role of adenoid bacterial colonization in Eustachian tube dysfunction is debated.
Purpose of the Study:
- To investigate the relationship between adenoid bacterial load and specific pediatric symptomatology.
- To determine if bacterial concentration in adenoids correlates with the development of otitis media or tonsillitis.
Main Methods:
- Prospective study of 69 children undergoing adenoidectomy.
- Children categorized into four subgroups based on symptoms: nasal obstruction, glue ear, recurrent earaches, and recurrent sore throats.
- Bacteriological analysis of adenoid tissue to identify organisms and quantify colony counts.
Main Results:
- No significant difference in the presence or spectrum of organisms found in adenoids across the symptom subgroups.
- Bacterial infection was present in adenoids, but colony counts did not correlate with specific clinical presentations.
- The concentration of organisms per gram of adenoid tissue was not a distinguishing factor.
Conclusions:
- Adenoid infection plays a role in the pathogenesis of bacterial otitis media.
- The concentration of bacteria within the adenoid tissue itself is not the primary factor driving Eustachian tube dysfunction.
- Other factors likely contribute to organism migration and the development of middle ear infections.
Abstract:
In a prospective study, 69 children admitted for adenoidectomy were divided into 4 subgroups according to their symptomatology. These were: nasal obstruction alone; glue ear; recurrent ear aches and probable otitis media; and recurrent sore throats and probable tonsillitis. The adenoids removed were bacteriologically analysed to assess both the spectrum of organisms present and the colony counts per gram of adenoid tissue (10(5) organisms per gram was regarded as representing infection). There was no significant difference between the subgroups with regard to either the presence of infection or the spectrum of organisms grown. We conclude that while infection in the adenoid bed must be involved in the pathogenesis of bacterial otitis media, the concentration of organisms present in the adenoids is unimportant and other factors must be responsible for the migration of organisms up the Eustachian tube.