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The pediatric multiple organ dysfunction syndrome
François Proulx1, Jean Sébastien Joyal, M Michele Mariscalco
1Division of Critical Care Medicine, Department of Pediatrics, Sainte-Justine Hospital, University of Montreal, Montreal, Canada. fproulx_01@yahoo.ca
Insights
Pediatric multiple organ dysfunction syndrome (MODS) affects critically ill children, with factors like young age and chronic conditions increasing risk. Further research is needed to understand long-term outcomes for pediatric MODS.
Area of Science:
- Pediatric Critical Care Medicine
- Immunology
- Pathophysiology
Background:
- Critically ill children frequently develop multisystemic manifestations.
- Pediatric multiple organ dysfunction syndrome (MODS) is a significant concern in pediatric critical care.
Purpose of the Study:
- To review the epidemiology of pediatric MODS.
- To summarize current concepts on the pathophysiology of shock, organ dysfunction, and nosocomial infections in children.
Main Methods:
- MEDLINE-based literature search.
- Keywords: MODS and child.
- No language restriction.
Main Results:
- Young age and chronic health conditions contribute to pediatric MODS.
- Inflammatory and coagulation pathways lead to capillary leak and ARDS.
- Neuroendocrine/metabolic responses impair immunity, increasing nosocomial infection risk.
Conclusions:
- Knowledge of pediatric MODS epidemiology and pathophysiology has increased.
- Further studies are required to evaluate the long-term outcomes of pediatric MODS.
Objectives:
To review the epidemiology of pediatric multiple organ dysfunction syndrome (MODS) and summarize current concepts regarding the pathophysiology of shock, organ dysfunction, and nosocomial infections in this population.
Data Source:
A MEDLINE-based literature search using the keywords MODS and child, without any restriction to the idiom.
Main Results:
Critically ill children may frequently develop multisystemic manifestations during the course of severe infections, multiple trauma, surgery for congenital heart defects, or transplantations. Descriptive scores to estimate the severity of pediatric MODS have been validated. Young age and chronic health conditions have also been recognized as important contributors to the development of MODS. Unbalanced inflammatory processes and activation of coagulation may lead to the development of capillary leak and acute respiratory distress syndrome. Neuroendocrine and metabolic responses may result in insufficient adaptive immune response and the development of nosocomial infections, which may further threaten host homeostasis.
Conclusions:
Over the last 20 yrs, there has been an increasing knowledge on the epidemiology of pediatric MODS and on the physiologic mechanisms involved in the genesis of organ dysfunction. Nevertheless, further studies are needed to more clearly evaluate what is the long-term outcome of pediatric MODS.
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