| The Effect of Vecuronium-Lidocaine Mixture Administration on the Onset of the Neuromuscular Block of Vecuronium. |
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Young Mi Ahn, Cheon Hee Park, Cheol Lee, Jung Ae Rhee |
1Department of Anesthesiology, Kwangju Christian Hospital, Kwangju, Korea.
2Faculty of Medical Science, Graduate School Chonnam National University, Kwangju, Korea. |
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| Abstract |
BACKGROUND
For the rapid sequence induction of general anesthesia, succinylcholne, a depolarizing muscle relaxant, has been used. But succinylcholine has many side effects, so various efforts using nondepolarizing muscle relaxants have been tried. We have tried and observed the effect of a curonium-lidocaine mixture administration.
METHODS
120 patients who were scheduled for elective surgery were randomly assigned in 6 groups (Group I, II, III, IL, IIL, IIIL). For groups I, II and III vecuronium was administered only 0.10 mg/kg, 0.12 mg/kg, and 0.15 mg/kg, respectively. For each member of groups IL, IIL and IIIL, lidocaine 1.5 mg/kg was added to the dose of vecuronium of groupI, II and III. The vecuronium or vecuronium- lidocaine mixture was injected for 15 seconds and then thiopental sodium was injected for 15 seconds. 90 seconds after the administration of the vecuronium or vecuronium-lidocaine mixture, every patient was intubated. Intubation condition scores, TOF responses of the adductor pollicis of the thumb, arrhythmia, heart rates, systolic blood pressure, diastolic blood pressure and mean arterial blood pressure were checked and compared.
RESULTS
Intubation condition scores were better in groups IL, IIL and IIIL in comparison with groups I, II and III.
The TOF responce of the adductor pollicis of the thumb showed a statistically signifiant difference between the lidocaine groups and the nonlidiocaine groups. The time elapsed before the disappearance of TOF was less in the lidocaine groups. Changes of systolic pressure, diastolic pressure, mean arterial blood pressure and heart rate were no difference in the lidocaine groups and the nonlidocaine groups.
CONCULUSIONS: The results suggest that administration of a vecuronium-lidocaine mixture administraion improves the intubation condition score during a rapid sequence induction of general anesthesia and shortens the time of the disapprearance of the TOF response. |
| Key Words:
Anesthetics, local, lidocaine; Intubation, tracheal, intubation conditions; Neuromuscular relaxants, vecuronium |
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