• R S Jones.
• University Department of Anaesthesia, Royal Liverpool Hospital.
• Res. Vet. Sci. 1987 Nov 1;43(3):308-12.

AbstractThe depolarising muscle relaxant suxamethonium (0.3 mg kg-1) and the non-depolarising muscle relaxant pipecuronium (0.05 mg kg-1) were administered to four dogs. In the first series of experiments pipecuronium was administered intravenously, followed at 50 per cent of return of neuromuscular activity by suxamethonium. At 50 per cent return of activity atropine and neostigmine were administered to reverse the neuromuscular block. In the second series the sequence was reversed and pipecuronium was administered after suxamethonium. At 50 per cent recovery atropine and neostigmine were given. In the first series of experiments the time for the onset of suxamethonium block was significantly increased after prior administration of pipecuronium. However, in the second series of experiments the prior administration of suxamethonium had no significant effect on the duration of action of pipecuronium.

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