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Malignant hyperthermia (MH) is a type of severe reaction that occurs in response to particular medications used during general anesthesia, among those who are susceptible. [1] Symptoms include muscle rigidity , fever , and a fast heart rate . [ 1 ]
Newer anesthetics (such as desflurane) typically have smaller blood–gas partition coefficients than older ones (such as ether); this leads to faster onset of anesthesia and faster emergence from anesthesia once application of the anesthetic is stopped, which may be preferable in certain clinical scenarios.
[5] [6] [7] It achieves this by inhibiting Ca 2+ ions release from sarcoplasmic reticulum stores by antagonizing ryanodine receptors. [8] It is the primary drug used for the treatment and prevention of malignant hyperthermia, a rare, life-threatening disorder triggered by general anesthesia or drugs.
Hyperthermia is generally diagnosed by the combination of unexpectedly high body temperature and a history that supports hyperthermia instead of a fever. [2] Most commonly this means that the elevated temperature has occurred in a hot, humid environment (heat stroke) or in someone taking a drug for which hyperthermia is a known side effect ...
Serious side effects can include malignant hyperthermia or high blood potassium. [4] It should not be used in patients with a history of malignant hyperthermia in either themselves or their family members. [3] It is unknown if its use during pregnancy is safe for the fetus, but use during a cesarean section appears to be safe.
Onset of pain relief is rapid and of a short duration. [4] Use is only recommended with direct medical supervision. [5] Common side effects include anxiety, headache, sleepiness, cough, and nausea. [5] Serious side effects may include kidney problems, liver problems, low blood pressure, and malignant hyperthermia.
This seems to be especially problematic in dental anesthesia. [25] Like all the potent inhalational anaesthetic agents, it is a potent trigger for malignant hyperthermia. [5] Similarly, in common with the other potent inhalational agents, it relaxes uterine smooth muscle and this may increase blood loss during delivery or termination of ...
Hyperthermic intraperitoneal chemotherapy (HIPEC) is a type of hyperthermia therapy used in combination with surgery in the treatment of advanced abdominal cancers. [1] In this procedure, warmed anti-cancer medications are infused and circulated in the peritoneal cavity (abdomen) for a short period of time.