Related Experiment Videos
[Severe hyperthermia syndrome in the infant. Apropos of 11 cases]
P Frappat1, O Pincemaille, D Plantaz
1Unité de réanimation infantile, Centre Hospitalier Universitaire de Grenoble, France.
Insights
Malignant hyperthermia in infants presents with severe fever, seizures, and organ damage, often leading to death or neurological deficits. Early diagnosis and understanding its pathophysiology are crucial for improved outcomes.
Area of Science:
- Pediatric critical care medicine
- Neurology
- Toxicology
Context:
- Retrospective analysis of 11 infant cases with malignant hyperthermia.
- Focus on clinical presentation and outcomes in a vulnerable population.
Purpose:
- To detail the clinical features, diagnostic challenges, and pathophysiology of malignant hyperthermia in infants.
- To analyze the outcomes, including mortality and neurological sequelae.
Summary:
- Severe hyperthermia (>41°C), seizures, coma, collapse, rhabdomyolysis, and acute/functional renal failure are key clinical signs.
- Mortality rate was 27% (3/11 infants), with 36% (4/11) experiencing neurological damage.
- Recovery varied, with 36% (4/11) fully recovering.
Impact:
- Highlights the severe morbidity and mortality associated with infant malignant hyperthermia.
- Underscores the need for improved diagnostic strategies and understanding of the syndrome's underlying mechanisms.
- Informs clinical management and emphasizes the importance of prompt recognition in pediatric emergencies.
Abstract:
The authors report a retrospective study of 11 cases of malignant hyperthermia. The mean age of the patients was 5 months and 3 weeks. Clinical features included severe hyperthermia (greater than 41 degrees C), seizures, coma, collapse, rhabdomyolysis, acute renal failure and functional renal failure. Three infants died. Four patients presented neurological damages. Four recovered fully. The authors discuss the difficulties of diagnosis, the nosological position and the pathophysiology of this syndrome.