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  • Title: Profound atracurium induced neuromuscular blockade. A comparison of evoked reversal with edrophonium or neostigmine.
    Author: Casson WR, Jones RM.
    Journal: Anaesthesia; 1986 Apr; 41(4):382-5. PubMed ID: 3754698.
    Abstract:
    Speed of reversal of profound atracurium induced neuromuscular blockade following edrophonium (0.5 or 1.0 mg/kg) or neostigmine (0.04 or 0.08 mg/kg) was measured using the train-of-four pattern of nerve stimulation. In all patients adequate clinical reversal was present when the ratio of the strength of the fourth to the first twitch (T4 ratio) was 0.5. Both doses of edrophonium were associated with a significantly faster speed of reversal than the smaller dose of neostigmine (p less than 0.05 in both cases). However, the larger dose of neostigmine was associated with a reversal time approaching that of edrophonium. Possible explanations for these findings are discussed in terms of contemporary theories of neuromuscular pharmacology.
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