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Acute Otitis Media and Other Complications of Viral Respiratory Infection

Tasnee Chonmaitree1, Rocio Trujillo2, Kristofer Jennings3

  • 1Departments of Pediatrics, Pathology, tchonmai@utmb.edu.

Pediatrics
|March 30, 2016
PubMed

Insights

Nearly half of infants develop acute otitis media (AOM) by age one. Frequent viral upper respiratory infections (URI), bacterial colonization, and not breastfeeding are key risk factors for AOM.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Epidemiology

Background:

  • Viral upper and lower respiratory tract infections (URI, LRI) are frequent in infants.
  • Acute otitis media (AOM) is a common complication of viral URIs in infants.
  • Understanding risk factors for AOM, including bacterial-viral interactions, is crucial.

Purpose of the Study:

  • To determine the prevalence of viral URI and its complications, including AOM and LRI, in infants.
  • To assess the impact of bacterial-viral interactions on AOM development.
  • To identify genetic and environmental risk factors for AOM.

Main Methods:

  • Prospective cohort study of healthy infants from birth to 12 months.
  • Monthly nasopharyngeal specimen collection for bacterial culture and viral PCR.
  • Close monitoring for AOM development and documentation of URI and LRI episodes.

Main Results:

  • Cumulative AOM incidence reached 46% by 12 months.
  • Infants with AOM experienced more frequent URIs (4.7 vs 2.3 episodes/child-year).
  • Pathogenic bacterial colonization and breastfeeding status were significant risk factors; bacterial-viral interactions were observed.

Conclusions:

  • AOM affects nearly half of infants by age one.
  • Frequent viral URIs, bacterial colonization, and lack of breastfeeding are significant AOM risk factors.
  • Bacterial-viral interactions warrant further investigation for their role in AOM pathogenesis.
Abstract

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