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[Malnutrition in children with chronic bronchitis]
1Service de gastroentérologie et nutrition pédiatrique, hôpital Armand-Trousseau, université Pierre-et-Marie-Curie-Paris-6, Assistance publique-hôpitaux de Paris, 26 avenue du Docteur-Arnold-Netter, Paris, France. sheila.viola@trs.aphp.fr
Summary
Malnourished children with chronic bronchitis (CB) show reduced lung function and respiratory muscle strength. Early nutritional assessment is crucial for managing pediatric CB and improving respiratory health.
Area of Science:
- Pediatric Pulmonology
- Nutritional Science
- Respiratory Medicine
Background:
- Chronic bronchitis (CB) in children can impact overall health.
- Nutritional status is a key factor in pediatric respiratory conditions.
- Understanding the link between nutrition and lung function in CB is vital.
Purpose of the Study:
- To investigate the nutritional status of children diagnosed with chronic bronchitis.
- To determine the relationship between nutritional status and lung function parameters in pediatric CB patients.
Main Methods:
- A cohort of 46 children (aged 6.0-17.5 years) with chronic bronchitis (excluding cystic fibrosis) was studied.
- Nutritional status was assessed using weight, height, skinfolds, BMI, and body composition (fat/fat-free mass).
- Respiratory function was evaluated through spirometry (VC, FEV1), lung volumes (FRC), blood gases, and respiratory muscle pressures (Pi(max), Pe(max)).
Main Results:
- Twenty-eight percent of children exhibited malnutrition (percentage of ideal body weight <90%), primarily due to fat mass depletion.
- Children with malnutrition had significantly lower vital capacity (VC) and forced expiratory volume in one second (FEV1).
- Reduced maximal inspiratory pressures (Pi(max)) were observed in malnourished children, suggesting impaired respiratory muscle strength.
Conclusions:
- Malnutrition is prevalent in children with chronic bronchitis and is linked to diminished lung function.
- Decreased respiratory muscle strength may contribute to the observed lower lung function in malnourished pediatric CB patients.
- These findings highlight the importance of nutritional support in managing children with chronic bronchitis.
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