It was possible to reduce the infiltration pain of local anesthetic during epidural catheterization by oral administration of 3 mg of tizanidine as premedication. Blood pressure and rate-pressure product in the operating room were also attenuated by receiving tizanidine. Therefore, we recommend premedication with tizanidine for patients undergoing epidural catheterization.
A pneumoperitoneum increased SVV, which is similar to the findings of previous animal studies but is different from a previous clinical study. Upon release of the pneumoperitoneum, SVV decreased significantly, which is new information. SVV values must be estimated cautiously during a pneumoperitoneum.
Diltiazem can blunt acute hyperdynamic responses after electroconvulsive therapy, but seizure duration is also significantly reduced, possibly making this therapy less effective.
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