Alphaxalone-alphadolone controlled infusion provides effective, rapidly adjustable sedation without tachyphylaxis or delayed recovery in intensive care patients.
Hypothesis-generating for alphaxalone-alphadolone in ICU sedation; controlled trials needed before any practice consideration.
Alphaxalone-alphadolone (Althesin), diluted and administered as a controlled infusion, was used as a sedative for 30 patients in an intensive therapy unit. This technique allowed rapid and accurate control of the level of sedation. It had three particularly useful applications: it provided "light sleep," allowed rapid variation in the level of sedation, and enabled repeated assessment of the central nervous system.Sedation was satisfactory for 86% of the total time, and no serious complications were attributed to the use of the drug. Furthermore, though alphaxalone-alphadolone was given for periods up to 20 days there was no evidence of tachyphylaxis or delay in recovery time.
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Ramsay et al. (1974) studied this question.
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