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Nasal mucociliary clearance in healthy children in a tropical country

J Yadav1, R K Ranga, J Singh

  • 1Department of Physiology, Pt. B.D. Sharma PGIMS, 30/9J, Medical Enclave, Rohtak 124001, India.

International Journal of Pediatric Otorhinolaryngology
|February 13, 2001
PubMed

Insights

Nasal mucociliary clearance is impaired in children aged 4-11 years, likely due to subclinical adenoiditis. Clearance normalizes by puberty, coinciding with adenoid involution, indicating age-related changes in nasal defense mechanisms.

Area of Science:

  • Pediatric Otolaryngology
  • Respiratory Physiology

Background:

  • Nasal mucociliary clearance is vital for protecting the lower respiratory tract.
  • It removes airborne particles and microorganisms from the nasal cavity.

Purpose of the Study:

  • To determine normal nasal mucociliary clearance time in healthy children.
  • To investigate the influence of age and sex on this physiological function in a tropical setting.

Main Methods:

  • Employed the saccharin method for clearance time assessment.
  • Included 100 healthy school children aged 4-15 years.
  • Excluded participants with conditions affecting nasal clearance.

Main Results:

  • Mean nasal mucociliary clearance time was 5.7 ± 2.59 minutes.
  • No significant sex-based difference in clearance time was observed.
  • Clearance time was impaired in children aged 4-7 and 8-11 years.

Conclusions:

  • Nasal mucociliary clearance is reduced in children aged 4-11 years, potentially linked to subclinical adenoiditis.
  • Clearance function recovers by puberty, correlating with adenoid involution.
  • Age-related changes impact nasal defense mechanisms in children.
Abstract

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