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Published on: March 17, 2014
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.
Abstract:
In a total of 1,003 children (805 inpatients and 198 outpatients) with acute lower respiratory infections (ALRI), clinical, social, and environmental data were analyzed. The major clinical entities were bronchiolitis, pneumonia, bronchitis, and laryngitis. The first two of these predominated in inpatients; pneumonia and bronchitis were more common in older children, while bronchiolitis was observed in infants. Respiratory rates of > 50/min. were more common in younger children and in cases with bronchiolitis and bronchitis. Retractions showed markedly less age-dependent variations and were present in all severe cases with different clinical diagnoses. Retractions alone or associated with cyanosis were the best indicators for severity of ALRI. Among outpatients, fever and wheezing were more common; inpatients were younger, more frequently malnourished, and from a lower socioeconomic level; family history of chronic bronchitis, crowding, and parental smoking also prevailed in this group. Family asthma and exposure to domestic aerosols was more common among outpatients. Prematurity rate (17 and 15%) of all ALRI cases was twice that of the general pediatric population and a significant difference existed between in- and outpatients under 6 months of age when perinatal respiratory pathologies predominated among inpatients. It is suggested to consider the need for assessing personal, family, and environmental risk factors in addition to clinical signs and symptoms when severe cases of ALRI are evaluated.
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