نتایج جستجو برای: intrathecal opioid
تعداد نتایج: 37710 فیلتر نتایج به سال:
BACKGROUND Co-administration of small doses of opioids and bupivacaine for spinal anaesthesia reduces intraoperative discomfort and may reduce postoperative analgesic requirements in patients undergoing Caesarean section. Fentanyl and diamorphine are the two most frequently used agents in UK obstetric anaesthetic practice. METHODS Seventy-five healthy parturients scheduled for elective Caesar...
OBJECTIVE Intrathecal therapy (ITT) via an implanted pump has become an accepted practice for the treatment of refractory cancer pain by infusing opioids and adjuncts directly to the neuraxis. Until recently, only a programmed basal rate of infusion could be delivered, and therefore, breakthrough pain required ongoing use of oral or transmucosal opioids. Recently, an implanted pump manufactur...
Intrathecal morphine is often used for postoperative analgesia after surgery. We performed a meta-analysis to obtain more detailed information on the frequency of side-effects in patients receiving intrathecal morphine in combination with spinal anaesthesia compared with placebo treated patients. We clustered the analysis to patients receiving placebo, less than morphine 0.3 mg (M < 0.3), or eq...
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...
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 ...
OBJECTIVES This study aimed to investigate the hypothalamic-pituitary-gonadal axis in a sample of male patients undertaking intrathecal opioid delivery for the management of chronic non-malignant pain and the presence of osteopaenia and/or osteoporosis in those diagnosed with hypogonadism. DESIGN Observational study using health data routinely collected for non-research purposes. SETTING De...
BACKGROUND Hypogonadism is frequently diagnosed based on total testosterone (TT) levels alone. However, 99% of testosterone is bound to the sex hormone-binding globulin (SHBG) with only 1% free testosterone. Alternative assessment methods consist of assay of free testosterone (FT) or bioavailable testosterone (BT) by equilibrium dialysis, calculation of FT and BT through the Vermeulen equations...
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