Effect of adeno-tonsillectomy on hearing threshold and middle ear pressure

Area of Science:

• Otolaryngology
• Pediatric Audiology

Background:

• Adeno-tonsillar hypertrophy is common in children.
• Eustachian tube dysfunction often accompanies adenoid hypertrophy, leading to middle ear issues.
• Hearing impairment and middle ear pressure abnormalities are frequent in this population.

Purpose of the Study:

• To evaluate the impact of adenoidectomy on eustachian tube function.
• To assess changes in hearing thresholds and middle ear pressure post-adenoidectomy.

Main Methods:

• A cohort of 50 children (100 ears) underwent adeno-tonsillectomy.
• Pre- and post-operative hearing thresholds (dB) and middle ear pressure (mmH2O) were measured.
• Data analysis focused on changes in these parameters.

Main Results:

• Pre-operatively, 34 ears had hearing thresholds of 20-50 dB and 32 ears showed negative middle ear pressure of 100-400 mmH2O.
• Post-operatively, only 7 ears retained abnormal hearing thresholds and middle ear pressure.
• Significant improvement in both hearing and middle ear pressure was observed.

Conclusions:

• Adenoidectomy is an effective intervention for improving eustachian tube function in children.
• The procedure leads to significant normalization of hearing thresholds and middle ear pressure.
• This suggests adenoidectomy positively impacts middle ear health and auditory function.