Masui. The Japanese journal of anesthesiology
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Randomized Controlled Trial Comparative Study Clinical Trial
[Influence of intrathecal morphine and buprenorphine on EEG and their analgesic effect].
This study was performed on fifty patients undergoing gynecological operations of lower abdomen. Their mean age and body weight were 43 +/- 5yrs and 55 +/- 8kg (mean +/- SD) respectively. All patients were given spinal anesthesia for surgery. ⋯ The result suggests that the earlier respiratory depression may be caused by large doses of intrathecal M. Postoperative analgesic effect was recognized remarkably in G-II, G-III and G-IV (P less than 0.01). The duration for pain relief was 6 hrs in G-II and 12 hrs in G-III and G-IV.(ABSTRACT TRUNCATED AT 250 WORDS)