POSTOPERATIVE HYPOTHERMIA IN ADULTS - RELATIONSHIP OF AGE, ANESTHESIA, AND SHIVERING TO REWARMING

  • 1 January 1981
    • journal article
    • research article
    • Vol. 60  (10) , 746-751
Abstract
Frequency, magnitude and duration of hypothermia (core body temperature < 36.0.degree. C) in the recovery room (RR) were determined in 198 adults. The influence of age, anesthetic technique and shivering on the rewarming process was also assessed. Tympanic membrane temperatures were recorded on admission to the RR and every 15 min thereafter until discharge from the RR. Of the subjects, 60% had temperatures < 36.0.degree. C on admission to the RR. Elderly subjects (.gtoreq. 60 yr) had lower RR admission and discharge temperatures and experienced longer duration of hypothermia than did younger patients. General anesthesia was associated with a significantly more rapid rate of increase in postoperative temperature and a shorter duration of hypothermia than was regional anesthesia. The incidence of shivering and the incidence of hypothermia were significantly related 30 and 45 min after admission to the RR. Duration of hypothermia varied with different operative procedures.

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