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Variations in tympanograms in children attending group-care during a one-year period
Insights
Tympanometry in young children reveals that most flat ear canal curves resolve spontaneously by age two. Persistent flat curves in older children may indicate enlarged adenoids requiring treatment like adenoidectomy.
Area of Science:
- Pediatric Otolaryngology
- Auditory Health Monitoring
Background:
- Tympanometry is crucial for assessing middle ear conditions in children.
- Understanding spontaneous tympanogram variations is key for appropriate management.
Purpose of the Study:
- To analyze spontaneous tympanogram variations in children aged 0.5-6 years.
- To correlate these variations with age, season, and clinical factors.
- To guide treatment decisions for persistent middle ear issues.
Main Methods:
- Monthly tympanometry was performed on 151 children (0.5-6 years) over one year.
- Data analysis focused on age-related and seasonal tympanogram patterns.
- Correlations were examined between tympanometry results and conditions like catarrh and enlarged adenoids.
Main Results:
- Younger children (0.5-1 year) showed more flat tympanogram curves, with spontaneous remission common by age two.
- Normal tympanograms were more frequent in late summer across all age groups.
- Flat curves correlated with catarrh and, in children aged 3+, with enlarged adenoids persisting for 3+ months.
Conclusions:
- Flat tympanograms in children under two typically resolve spontaneously, often not requiring intervention.
- Persistent flat tympanograms (3+ months) in children aged three and older suggest enlarged adenoids and may warrant adenoidectomy.
Abstract:
During a 1-year period, 151 children, 1/2-6 years old, attending group care, were followed by monthly tympanometry in order to describe spontaneous variations in the tympanograms in relation to age and time of the year. Furthermore, the number of spontaneous variations during the year was assessed. Significantly more flat curves were seen in children 1/2-1 year old than in the older age groups, indicating a high frequency of spontaneous remission about the age of 2 years. In all age groups more normal tympanograms were seen during late summer than during the rest of the year. Spontaneous variations in the tympanograms were taking place 2.9 times (mean) during the period of observation. Correlation was found between the presence of catarrh and flat curves. Furthermore, in children greater than or equal to 3 years old, a correlation between case history signs of enlarged adenoids and flat curves lasting for 3 months or more was found. It was concluded that persistence of flat curves in children 1/2-1 (2) years old usually requires no treatment, as spontaneous remission can be expected, whereas persistence of flat curves for greater than or equal to 3 months in children greater than or equal to (2) 3 years old indicates that treatment (adenoidectomy) should be performed.
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