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Stress-induced disturbances of the gastro-intestinal tract in children
1Unité de Réanimation Digestive et d'Assistance Nutritive, Hôpital des Enfants Malades, Paris, France.
Insights
The gastrointestinal tract in children is vulnerable to stress, leading to ischemia during shock. Early stress anticipation and hemodynamic monitoring are key to preventing digestive ischemic lesions in at-risk infants.
Area of Science:
- Pediatric Gastroenterology
- Critical Care Medicine
- Neonatology
Background:
- The pediatric gastrointestinal tract exhibits heightened sensitivity to stress.
- Specific microcirculatory characteristics of the stomach, intestines, and colon increase ischemia risk during shock.
- Digestive ischemia can progress from mucosal ulceration to transmural necrosis.
Purpose of the Study:
- To review the pathophysiology of stress-induced gastrointestinal ischemia in children.
- To discuss potential therapeutic interventions for ischemic lesions.
- To emphasize preventive strategies for high-risk infants.
Main Methods:
- Literature review on pediatric gastrointestinal stress response and ischemia.
- Analysis of factors contributing to digestive lesions (hypoxia, radicals, luminal factors).
- Evaluation of pharmacological and non-pharmacological preventive measures.
Main Results:
- Tissue hypoxia, superoxide radical production, and luminal factors are implicated in lesion development.
- Certain drugs may mitigate the severity of ischemic damage.
- Proactive stress management and comprehensive hemodynamic monitoring are crucial for prevention.
Conclusions:
- Preventing gastrointestinal ischemia in stressed children requires anticipating adverse events.
- Complete hemodynamic monitoring in at-risk infants is essential for early detection and intervention.
- A multi-faceted approach combining pharmacological and intensive monitoring strategies is recommended.
Abstract:
The gastrointestinal tract is particularly sensitive to stress, especially in children. The specificity of the gastric, intestinal and colonic microcirculation explains the high risk of ischemia during septic and hemorrhagic shock. The consequences of digestive ischemia vary from mucosal ulceration to transmural necrosis. Tissue hypoxia, the production of superoxide radicals and luminal factors explain these lesions. Some drugs are proposed which may limit the extent of these ischemic lesions; however to prevent them the author advises, on anticipating stress and complete hemodynamic monitoring of infants at risk.