A comparison of bupivacaine and tetracaine in spinal anesthesia.

FUKUI Shigeru, IWASAKA Hideo, YAMAMORI Shinichi, HAYANO Yoshio, HONDA Natsuo, HABU Akiko, TANIGUCHI Kazuo

doi:10.2199/jjsca.5.84

There are various problems associated with spinal anesthesia such as the fact that the duration of anesthesia is short, as well as complications like hypotension, headache or etc. But we obtained excellent results using bupivacaine in spinal anesthesia, and have reported them here along with the results of comparison with the use of tetracaine. 26 patients scheduled for lower abdominal surgery and orthopedic surgery of lower limb under spinal anesthesia were included. In these patients, sixteen patients were anesthetized with 0.5% bupivacaine and ten patients with 1% tetracaine (hyperbaric solution). Results: There was no significant difference in the spread of anesthesia in both groups. In bupivacaine group, no correlation was found between the age of the patients and the spread of anesthesia. A significant decrease in blood pressure was noticed in the tetracaine group, but, in bupivacaine group, it was stable. The duration of anesthesia showed an average level of 7.2±1.0 hours in the bupivacaine group, which was a significant longer than in the tetracaine group. Conclusion: 0.5% bupivacaine was used in spinal anesthesia, and excellent anesthetic state were obtained. Regardless of age, hemodynamics was stable, duration of anesthesia long, and complications relatively rare. We can look forward, therefore, to wide clinical applications of its use in the future.

A comparison of bupivacaine and tetracaine in spinal anesthesia.

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