Journal of neurosurgical anesthesiology
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J Neurosurg Anesthesiol · Oct 2012
Randomized Controlled TrialThe effects of P6 electrical acustimulation on postoperative nausea and vomiting in patients after infratentorial craniotomy.
Postoperative nausea and vomiting (PONV) are frequent and harmful complications after neurosurgery. Current pharmacy-based treatment is the standard of care; it, however, lacks efficiency. Invasive and noninvasive acupuncture at the P6 meridian point has been shown to be effective in the prevention of PONV. We evaluated the effectiveness of transcutaneous electrical acupoint stimulation (TEAS) at P6 for the prophylaxis of PONV in patients undergoing infratentorial craniotomy. ⋯ Perioperative TEAS at P6 may be an effective adjunct to the standard antiemetic drug therapy for the prevention of PONV after infratentorial craniotomy.
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J Neurosurg Anesthesiol · Oct 2012
Randomized Controlled TrialPostoperative analgesic effects of wound infiltration with tramadol and levobupivacaine in lumbar disk surgeries.
Wound infiltration with local anesthetics may improve postoperative analgesia. Tramadol has been shown to have effects similar to those of local anesthetics. The purpose of this study was to investigate the effects of wound infiltration with levobupivacaine and tramadol on postoperative analgesia for lumbar discectomies. ⋯ Wound infiltration with combined levobupivacaine and tramadol resulted in elimination of postoperative analgesic demand and reduction in the incidence of side effects. We conclude that infiltration of the wound site with combined levobupivacaine and tramadol provides significantly better analgesia compared with levobupivacaine or tramadol alone.
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J Neurosurg Anesthesiol · Oct 2012
Randomized Controlled TrialFentanyl co-administration decreases the induction dose requirement of propofol in patients with supratentorial tumors and not in patients with spinal lesions.
The requirement of anesthetic drugs in a patient with an intracranial space-occupying lesion is of relevance to the neuroanesthetist. The requirement is often presumed to have reduced or at least altered. However, not much research has focused on this issue. Hence, we conducted this study to examine whether intracranial tumors reduce the induction dose of propofol in patients undergoing craniotomy based on plasma and effect site concentrations (Ce) of propofol and the effect of additional fentanyl. ⋯ Propofol dose for induction of anesthesia was significantly reduced when administered after fentanyl in patients with supratentorial tumors. Tumors per se without fentanyl coadministration do not decrease the propofol requirement for induction of anesthesia.