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KMID : 0878620010050020079
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Korean Journal of Pediatric Anesthesia
2001 Volume.5 No. 2 p.79 ~ p.84
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Mixed Injection of Lidocaine and Bupivacaine in Pediatric Caudal Anesthesia
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Lee Yong-Cheol
Kim Hyun-Kyung
Jang Young-Ho
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Abstract
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Background: Lidocaine and bupivacaine are commonly used for pediatric caudal anesthesia. Lidocaine is characteristic of rapid onset and intermediate duration. On the other hand bupivacaine has a later onset and longer duration than lidocaine, so we wanted to validate the usefulness of a lidocaine and bupivacaine mixture compared to lidocaine and bupivacaine alone in pediatric caudal anesthesia.
Methods: Sixty pediatric patients were studied and divided into 3 groups (Group 1; 1% lidocaine, Group 2; a 1% lidocaine and 0.25% bupivacaine mixture with the same volume, Group 3; 0.25% bupivacaine). Caudal anesthesia was undertaken with 0.8㎖/㎏ in all groups. To evaluate the usefulness of the mixture, we investigated the onset,
duration, anesthetic effect and complications.
Results: The onset of the mixture was later than lidocaine but more rapid than bupivacaine. The duration of the mixture was between the durations of idocaine and bupivacaine. There were no differences in assessment of pain sensory, motor activity and sensory levels among the 3 groups.
Conclusions: We could not fine any merit of the mixture compared to lidocaine and bupivacaine alone. However, we suggest that the mixture of local anesthetics (lidocaine and bupivacaine) can be used according to the anesthetic considerations, such as onset and duration.
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KEYWORD
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Anesthesia, pediatric, Anesthetics, local, lidocaine, bupivacaine, Anesthetic techniques, caudal
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