[Relation between chronic microaspiration and gastroesophageal reflux in children with respiratory pathology]

Area of Science:

• Pediatric Pulmonology
• Gastroenterology
• Respiratory Medicine

Background:

• Gastroesophageal reflux is common in children and can lead to respiratory complications.
• Chronic microaspiration, the inhalation of small amounts of gastric contents, is a suspected cause of lung injury.
• Diagnosing microaspiration can be challenging, hindering timely treatment.

Observation:

• The study examined 81 children aged 1.5 to 14 years with respiratory pathology.
• Bronchoalveolar lavage fluid was analyzed to detect alveolar macrophages containing lipids.
• Lipid-laden macrophages are a key indicator of microaspiration.

Findings:

• The presence of lipid-laden alveolar macrophages in bronchoalveolar lavage fluid confirmed chronic microaspiration.
• A strong interrelation was established between chronic microaspiration and gastroesophageal reflux.
• Confirmation of microaspiration allowed for targeted treatment adjustments.

Implications:

• Identifying microaspiration enables effective treatment correction for pediatric respiratory conditions.
• This diagnostic approach can lead to improved short- and long-term outcomes in affected children.
• The findings support the routine use of bronchoalveolar lavage analysis in children with suspected reflux-related lung disease.