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Risk factors associated with hypoxemia during foreign body removal from airways in childhood

Paulo Fernando Souto Bittencourt1, Paulo Camargos, Isabela Furtado de Mendonça Picinin

  • 1Department of Pediatrics, School of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil. pauloendoscopia@uol.com.br

International Journal of Pediatric Otorhinolaryngology
|April 30, 2013
PubMed

Insights

Infants under one year undergoing rigid bronchoscopy for foreign body removal face a higher risk of hypoxemia. Longer procedures and the use of seed tweezers further increase this risk.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Medical Device Technology

Background:

  • Foreign body aspiration is a common pediatric emergency.
  • Hypoxemia is a significant complication during rigid bronchoscopy for foreign body removal.
  • Identifying risk factors for hypoxemia is crucial for patient safety.

Purpose of the Study:

  • To analyze variables associated with hypoxemia in children undergoing rigid bronchoscopy for foreign body removal.
  • To identify risk factors contributing to hypoxemia during this procedure.

Main Methods:

  • Retrospective analysis of 401 children who inhaled foreign bodies from April 1993 to April 2011.
  • Inclusion of descriptive statistics, univariate, and multivariate analyses.
  • Focus on identifying risk factors for hypoxemia.

Main Results:

  • Children under one year had a 5.6 times higher risk of hypoxemia compared to older children.
  • Use of seed tweezers increased hypoxemia risk by approximately 4 times (OR=3.7).
  • Each additional minute of procedure duration increased hypoxemia risk by 4% (OR=1.04).

Conclusions:

  • Younger children (<1 year) are particularly vulnerable to hypoxemia during rigid bronchoscopy.
  • Longer procedure durations and the use of seed tweezers are associated with increased hypoxemia risk.
  • These findings highlight the need for careful management in high-risk pediatric cases.
Abstract

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