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Randomized Controlled Trial Clinical Trial
Duration of stabilization of control responses affects the onset and duration of action of rocuronium but not suxamethonium.
- M J Symington, E P McCoy, R K Mirakhur, and N Kumar.
- Department of Anaesthetics, Queen's University of Belfast.
- Eur J Anaesthesiol. 1996 Jul 1;13(4):377-80.
AbstractThe effect of the duration of stabilization of control responses on the onset and duration of clinical relaxation of suxamethonium 1 mg kg-1 and rocuronium 0.6 mg kg-1 were investigated in 90 patients. The control responses were allowed to stabilize for 1, 5, 10, 15 or 20 min prior to administration of rocuronium and for 1, 5, 10 or 15 min prior to suxamethonium. The mean onset time for rocuronium decreased from 150 to 46 s as the duration of stabilization increased from 1 to 20 min (P < 0.001) although the maximal effect was observed within the first 5 min. The average duration of clinical relaxation also increased from 25 to 40 min (P < 0.001). No effect was observed for either variable in the case of suxamethonium.
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