Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0024591 (malignant hyperthermia)
2,353 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The muscular dystrophies are inherited myogenic disorders characterized by progressive muscle wasting and weakness of variable distribution and severity. They can be subdivided into several groups, including congenital forms, in accordance with the distribution of predominant muscle weakness: Duchenne/Becker; limb-girdle; Fukuyama type congenital muscular dystrophy; Emery-Dreifus; facioscapulohumeral; oculopharyngeal; myotonic dystrophy, et al. Muscular dystrophies are susceptible to perioperative respiratory, cardiac and other complications, such as rhabdomyolysis. Halogenated inhalational anesthetic agents have been implicated as a cause of acute rhabdomyolysis that resembles malignant hyperthermia. Depolarizing neuromuscular blocking drugs that cause rhabdomyolysis are contraindicated in these patients. Recommendations are proposed for the safe anesthetic management of these patients.
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PMID:[Anesthesia preoperative preparation of muscular dystrophy]. 2085 62

CaV1.1 is specifically expressed in skeletal muscle where it functions as voltage sensor of skeletal muscle excitation-contraction (EC) coupling independently of its functions as L-type calcium channel. Consequently, all known CaV1.1-related diseases are muscle diseases and the molecular and cellular disease mechanisms relate to the dual functions of CaV1.1 in this tissue. To date, four types of muscle diseases are known that can be linked to mutations in the CACNA1S gene or to splicing defects. These are hypo- and normokalemic periodic paralysis, malignant hyperthermia susceptibility, CaV1.1-related myopathies, and myotonic dystrophy type 1. In addition, the CaV1.1 function in EC coupling is perturbed in Native American myopathy, arising from mutations in the CaV1.1-associated protein STAC3. Here, we first address general considerations concerning the possible roles of CaV1.1 in disease and then discuss the state of the art regarding the pathophysiology of the CaV1.1-related skeletal muscle diseases with an emphasis on molecular disease mechanisms.
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PMID:Skeletal muscle CaV1.1 channelopathies. 3222 17


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