Dantrolene
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Dantrolene is a direct-acting skeletal muscle relaxant used for the treatment of management of the fulminant hypermetabolism of skeletal muscle leading to malignant hyperthermia crisis.
Dantrolene is a direct-acting skeletal muscle relaxant used for the treatment of management of the fulminant hypermetabolism of skeletal muscle leading to malignant hyperthermia crisis.
Dantrolene depresses excitation-contraction coupling in skeletal muscle by binding to the ryanodine receptor 1, and decreasing intracellular calcium concentration. Ryanodine receptors mediate the release of calcium from the sarcoplasmic reticulum, an essential step in muscle contraction.
For use, along with appropriate supportive measures, for the management of the fulminant hypermetabolism of skeletal muscle characteristic of malignant hyperthermia crises in patients of all ages. Also used preoperatively, and sometimes postoperatively, to prevent or attenuate the development of clinical and laboratory signs of malignant hyperthermia in individuals judged to be malignant hyperthermia susceptible.
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