Masui. The Japanese journal of anesthesiology
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Randomized Controlled Trial Clinical Trial
[Effects of oral clonidine premedication on the heart rate response to intravenous atropine during propofol anesthesia].
Propofol induces suppression of the sympathetic nervous activity, and attenuates the heart rate responses to intravenous atropine. Similarly, clonidine suppresses the heart rate response to intravenous atropine under awake and enflurane-anesthetized patients. The purpose of this study is to evaluate effects of clonidine on the heart rate response to atropine under propofol anesthesia. ⋯ Oral clonidine premedication attenuates the heart rate responses to IV atropine under propofol anesthesia.
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Randomized Controlled Trial Clinical Trial
[Optimal dose of fentanyl for postoperative epidural analgesia after cesarean section].
The aim of this study was to investigate which dose of fentanyl in ropivacaine for epidural anesthesia will provide effective analgesia with minimal side effects after cesarean section (CS). ⋯ We conclude that continuous epidural administration of fentanyl 21 microg x hr(-1) with ropivacaine provides the optimum balance between pain relief and side effects compared with fentanyl 11 microg x hr(-1) with ropivacaine after CS.