Anesthesiology
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Comparative Study
Comparison of the effect-site k(eO)s of propofol for blood pressure and EEG bispectral index in elderly and younger patients.
Drug effect lags behind the blood concentration. The goal of this investigation was to determine the time course of plasma concentration and the effects of propofol demonstrated by electroencephalogram or blood pressure changes and to compare them between elderly and young or middle-aged patients. ⋯ The effect of propofol on BIS occurs more rapidly than its effect on SBP. Age has no effect on the rate of BIS reduction with increasing propofol concentration, whereas with increasing age, SBP decreases to a greater degree but more slowly.
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Biography Historical Article
Henry Knowles Beecher and the development of informed consent in anesthesia research.
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Randomized Controlled Trial Clinical Trial
Study of three different doses of epidural neostigmine coadministered with lidocaine for postoperative analgesia.
Intrathecal neostigmine produces analgesia in volunteers and patients. However, the use of epidural neostigmine has not been investigated. The purpose of the current study was to define the analgesic effectiveness of epidural neostigmine coadministered with lidocaine and side effects in patients after minor orthopedic procedures. ⋯ Epidural neostigmine (1, 2, or 4 microg/kg) in lidocaine produced a dose-independent analgesic effect (approximately 8 h) compared to the control group (approximately 3.5 h), and a reduction in postoperative rescue analgesic consumption without increasing the incidence of adverse effects.
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Randomized Controlled Trial Comparative Study Clinical Trial
Patient-controlled antiemesis: a randomized, double-blind comparison of two doses of propofol versus placebo.
The role of propofol for the management of postoperative nausea and vomiting (PONV) is not well established. This study determines the efficacy of small doses of propofol administered by patient-controlled device for the treatment of PONV. ⋯ Propofol is effective in managing PONV with shorter PACU stay and great degree of patient satisfaction. There were two episodes of oversedation in the P-40 group. Hence, propofol at a demand dose of 20 mg seems more appropriate.