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Related Experiment Video

Updated: Jun 29, 2025

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Changes in Otitis Media During COVID-19.

Yongmin Cho1, Jong-Geun Lee1, Gi Hwan Ryu1

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Korea University Guro Hospital, Seoul, Republic of Korea.

The Annals of Otology, Rhinology, and Laryngology
|March 28, 2024
PubMed
Summary
This summary is machine-generated.

During COVID-19, otitis media (OM) prevalence in Korea significantly decreased by 45.0%. This public health trend also saw a 28.1% reduction in ventilating-tube insertions, particularly impacting younger children.

Keywords:
middle ear pathologyotitis mediaotitis media with effusionotolaryngologyotologypediatric otitis media (middle ear infection)

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Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Disease Trends

Background:

  • The COVID-19 pandemic prompted widespread non-pharmaceutical interventions (NPIs) like mask mandates and enhanced hygiene.
  • The impact of these environmental changes on the prevalence of common infectious diseases, such as otitis media (OM), remains largely uncharacterized.
  • Understanding these shifts is crucial for public health preparedness and resource allocation.

Purpose of the Study:

  • To investigate the changes in otitis media (OM) prevalence and treatment trends in South Korea during the COVID-19 pandemic.
  • To analyze the influence of pandemic-related environmental shifts on OM incidence across different age groups.
  • To assess the correlation between OM prevalence and the rate of ventilating-tube insertions.

Main Methods:

  • Retrospective analysis of otitis media (OM) patient data from 2017 to 2021 using the Health Insurance Review and Assessment Service database.
  • Inclusion criteria: Patients diagnosed with disease code H66 (suppurative and unspecified otitis media).
  • Analysis encompassed OM prevalence, demographic factors (gender, region, age groups), medical institution data, and ventilating-tube prescription numbers.

Main Results:

  • A continuous decrease in OM diagnoses was observed from 2017 to 2021, with an overall 45.0% reduction in average prevalence per 1000 persons (30.2 to 16.6).
  • The most significant decline in OM prevalence was noted in the 0 to 5 age group, experiencing a 48.6% decrease.
  • The number of ventilating-tube insertions also decreased by 28.1% during the study period, indicating a reduced need for this intervention.

Conclusions:

  • The COVID-19 pandemic and associated NPIs were linked to a substantial decrease in otitis media (OM) prevalence in South Korea.
  • The findings highlight a notable impact on the pediatric population, particularly the 0-5 age group.
  • The reduction in OM prevalence correlated with a decreased rate of ventilating-tube insertions, suggesting a broader impact on middle ear infection management.