• Ann Fr Anesth Reanim · Jan 1989

    Review

    [Treatment of malignant hyperthermia crisis during anesthesia].

    • I Amiel and Y Nivoche.
    • Département d'Anesthésie-Réanimation, Hôpital Robert-Debré, Paris.
    • Ann Fr Anesth Reanim. 1989 Jan 1;8(5):427-34.

    AbstractMalignant hyperthermia (MH), triggered by anaesthesia, is a rare and potentially fatal condition. It requires immediate and specific treatment. This review focuses on anticipation and organisation of treatment. Anticipation means that dantrolene should be available, that an anaesthetic machine should be kept free from all vapours of halogenated anaesthetics, and methods of cooling should be planned. A prompt availability in all operating theatres of dantrolene and the required machines is emphasized. Treatment of a MH episode includes stopping the administration of triggering agents, administering dantrolene, correcting metabolic and respiratory acidosis, and cooling. Different aspects of the cardiovascular pharmacology of dantrolene are discussed. Other drugs are seldom required if proper treatment is started soon enough after the crisis. Complications may arise during a fulminant episode. They are difficult to treat, and may lead to sequelae. A rational approach to the treatment of hyperkalaemia, circulatory and renal failure is discussed. After the crisis, dantrolene should be continued for a short time. Finally, the nonspecific signs which can give the earliest diagnosis possible of MH are discussed: an early diagnosis and early treatment with dantrolene are essential in reducing the mortality of malignant hyperthermia.

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