The intrathecal spread of hyperbaric dibucaine in adolescents

We investigated the spread of spinal anesthesia with hyperbaric dibucaine in 20 adolescents aged 9-18 yr and 20 adults aged 23-53 yr. No significant difference was found between the two groups with regard to height, whereas a statistical significant was found between the two groups with regard to we...

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Bibliographic Details
Published in:Journal of anesthesia 1993-04, Vol.7 (2), p.167-172
Main Authors: Hirabayashi, Y, Shimizu, R
Format: Article
Language:English
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Summary:We investigated the spread of spinal anesthesia with hyperbaric dibucaine in 20 adolescents aged 9-18 yr and 20 adults aged 23-53 yr. No significant difference was found between the two groups with regard to height, whereas a statistical significant was found between the two groups with regard to weight. Spinal anesthesia was conducted with Neo-Percamin S injected at the L3-L4 interspace through a 25-gauge spinal needle. Injected volumes of the anesthetic solution were calculated from the patients' height at 0.01 ml.cm(-1). In adolescents, 1.6 +/- 0.1 ml (mean +/- SD) of the anesthetic solution produced 19.4 +/- 1.5 spinal segments blocked. In adults, 1.6 +/- 0.1 ml of the solution produced 13.4 +/- 1.6 spinal segments blocked. A high spinal anesthesia above T5 was achieved in 17 (85%) patients in adolescents, whereas such a high level of spinal anesthesia was not experienced in adults. These results suggest that the hyperbaric dibucaine solution for spinal anesthesia in adolescents may have a tendency to produce an unexpectedly extensive spread of anesthesia.
ISSN:0913-8668
1438-8359
DOI:10.1007/s0054030070167