Acute lower respiratory infection in Argentinian children: a 40 month clinical and epidemiological study

P Murtagh1, C Cerqueiro, A Halac

  • 1Dr. Ricardo Gutierrez Hospital, Buenos Aires, Argentina.

Insights

Analyzing 1,003 children with acute lower respiratory infections (ALRI), this study found that clinical signs like retractions and cyanosis best indicate severity. Social and environmental factors also significantly impact ALRI risk and outcomes.

Area of Science:

  • Pediatrics
  • Respiratory Medicine
  • Public Health

Background:

  • Acute lower respiratory infections (ALRI) are a leading cause of childhood illness globally.
  • Understanding the interplay of clinical, social, and environmental factors is crucial for managing ALRI.
  • Previous research has focused on clinical presentations, but comprehensive risk factor analysis is needed.

Purpose of the Study:

  • To analyze clinical, social, and environmental data in a large cohort of children with ALRI.
  • To identify key indicators of ALRI severity.
  • To explore risk factors associated with hospitalization versus outpatient management of ALRI.

Main Methods:

  • Retrospective analysis of clinical, social, and environmental data from 1,003 children with ALRI.
  • Categorization of patients into inpatients and outpatients.
  • Statistical analysis to identify correlations between variables and ALRI severity/outcomes.

Main Results:

  • Bronchiolitis and pneumonia predominated in inpatients, while pneumonia and bronchitis were more common in older children.
  • Retractions and cyanosis were the strongest indicators of ALRI severity.
  • Inpatients were younger, more malnourished, from lower socioeconomic backgrounds, and had higher rates of parental smoking and crowding compared to outpatients.
  • Prematurity rates were elevated in ALRI cases, particularly in younger inpatients.

Conclusions:

  • Clinical signs like retractions and cyanosis are vital for assessing ALRI severity.
  • Social determinants of health, including socioeconomic status, crowding, and parental smoking, significantly influence ALRI risk and severity.
  • A holistic approach, incorporating clinical, personal, family, and environmental risk factors, is recommended for evaluating severe ALRI cases.

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