British Journal of Anaesthesia, Vol 82, Issue 6 945-947, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
J. A. Short and CMS. Cooper
A 25-yr-old man, subsequently shown to be malignant hyperthermia (MH)
susceptible by in vitro contracture testing, developed MH during
anaesthesia for tonsillectomy. Prompt treatment, including dantrolene, led
to rapid resolution of the metabolic crisis. Eighteen hours later the
patient's trachea was extubated in the ICU, when he had been stable and
apyrexial overnight. Twenty minutes after extubation, an episode of
shivering was followed by the onset of tachycardia, hypertension,
tachypnoea and a rapid increase in temperature. Recurrence of MH was
suspected and the patient was given another dose of dantrolene with good
clinical effect. Shivering in this patient may have been an indicator or a
causative factor of recurrence of MH.
CASE REPORTS
Suspected recurrence of malignant hyperthermia after post-extubation shivering in the intensive care unit, 18 h after tonsillectomy
Department of Anaesthesia, Chesterfield and North Derbyshire Royal Hospital, Calow, Chesterfield, Derbyshire S44 5BL, UK
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