نتایج جستجو برای: intrathecal opioid therapy
تعداد نتایج: 687650 فیلتر نتایج به سال:
Glutamate receptors are implicated in the genesis of opioid tolerance and dependence. Factors governing release of amino acids in systems chronically exposed to opiates, however, remain undefined. Using rats, each prepared with a spinal loop dialysis catheter and with a chronic lumbar intrathecal infusion catheter connected to a subcutaneous minipump, the release of amino acids before and durin...
We tested whether the combination of a reduced dose of a local anesthetic (LA) with an opioid compared with a standard dose of the same LA alone guaranteed adequate intraoperative anesthesia and postoperative analgesia and decreased LA-related adverse effects. We systematically searched (to November 2012) for randomized comparisons of combinations of a reduced dose of an LA with a concomitant o...
BACKGROUND AND OBJECTIVE Central nervous system (CNS) involvement in patients diagnosed with acute leukemias (AL) is an uncommon complication with poor prognosis. The indication and the schedules of prophylaxis and treatment of CNS involvement in AL are not homogenous among countries and within the same country. The aim of this prospective longitudinal study was to analyze and report the practi...
Ang, Kooi K., Robert J. McRitchie, Jane B. Minson, Ida J. Llewellyn-Smith, Paul M. Pilowsky, John P. Chalmers, and Leonard F. Arnolda. Activation of spinal opioid receptors contributes to hypotension after hemorrhage in conscious rats. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H1552–H1558, 1999.—Opioid receptors are activated during severe hemorrhage, resulting in sympathoinhibition and a ...
BACKGROUND Ultiva® is commonly administered intravenously for analgesia during general anaesthesia and its main constituent remifentanil is an ultra-short-acting μ-opioid receptor agonist. Ultiva® is not approved for epidural or intrathecal use in clinical practice. Previous studies have reported that Ultiva® provokes opioid-induced hyperalgesia by interacting with spinal dorsal horn neurons. U...
BACKGROUND Thoracotomy induces severe postoperative pain and impairment of pulmonary function, and therefore regional analgesia has been intensively studied in this procedure. Thoracic epidural analgesia is commonly considered the "gold standard" in this setting; however, evaluation of the evidence is needed to assess the comparative benefits of alternative techniques, guide clinical practice a...
We have previously demonstrated that both endomorphin-1 and endomorphin-2 produce their antinociception by the stimulation of mu-opioid receptors. However, the antinociception induced by endomorphin-2 contains an additional component, which is mediated by the release of dynorphin A (1-17) acting on kappa-opioid receptors. These studies were done to determine whether the antinociception induced ...
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