Malignant hyperthermia syndrome: A rare entity
Cristina García-Muro1, Isabel Sáenz-Moreno1, Bibiana Riaño-Méndez1
1Servicio de Pediatría, Hospital San Pedro, Logroño. España.
Boletin Medico Del Hospital Infantil De Mexico
|November 13, 2020
Summary
Malignant hyperthermia is a rare, inherited muscle disorder triggered by anesthesia. Early detection and prompt dantrolene sodium treatment are crucial for pediatric patients experiencing this hypermetabolic crisis.
Area of Science:
- Anesthesiology
- Pharmacogenetics
- Pediatric Critical Care
Background:
- Malignant hyperthermia (MH) is a rare, inherited pharmacogenetic disorder of skeletal muscle.
- Characterized by a hypermetabolic state triggered by volatile anesthetic gases or depolarizing muscle relaxants.
- Infrequent in pediatrics, with an incidence of 1 in 10,000-15,000 anesthetic procedures.
Observation:
- A case of MH occurred in a 6-year-old female following sevoflurane exposure during adenoidectomy.
- The patient exhibited tachycardia, hypercapnia, and hyperthermia.
Findings:
- Successful treatment with two doses of dantrolene sodium was administered.
- The patient showed an adequate response to dantrolene sodium therapy.
Implications:
- Malignant hyperthermia syndrome is rare in pediatric patients.
- Early detection and prompt treatment initiation are essential for favorable outcomes.
- Highlights the importance of vigilance for MH in pediatric anesthesia.
Related Concept Videos
Homeostatic Imbalances in Body Temperature
2.9K
Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
2.9K
Increased Body Temperature
6.2K
A body temperature above 38°C (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
6.2K
Types of Fever
830
Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:
Here are the different types of fever:
830
Decreased Body Temperature
844
A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
844
Hypoglycemia and Glucagon
651
Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
651
Methods of reducing fever
1.0K
The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Pharmacological Methods of Reducing Fever:
1.0K


