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PURPOSE Tizanidine is a clonidine derivative and has the same effects, such as sedation, anxiolysis and analgesic response. We evaluated the effect of tizanidine on infiltration pain during epidural catheterization. METHODS Forty patients scheduled to undergo epidural anesthesia in elective surgery were randomly allocated into two groups. The control(More)
BACKGROUND On a pharmacologic basis, levobupivacaine is expected to last longer than ropivacaine. However, most reports of these anesthetics for brachial plexus block do not suggest a difference in analgesic effect. The aim of this study is to compare the postoperative analgesic effects of levobupivacaine and ropivacaine when used for treating(More)
BACKGROUND Dexamethasone added to local anesthetic for brachial plexus block improves postoperative pain after arthroscopic rotator cuff repair, as compared with the use of local anesthetic alone. Dexamethasone is present in non-particulate form in local anesthetic solution, while betamethasone is partially present in particulate form. The particulate(More)
Abstract Objective. In previous reports, it has been shown that many drugs may act against hyperdynamic responses during electro-convulsive therapy (ECT). The aim of this study was to conduct a randomized, placebo-controlled crossover study to investigate the hemodynamic responses and seizure duration during ECT by continuous administration of two doses of(More)
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