نتایج جستجو برای: ultra low doses of morphine
تعداد نتایج: 21258760 فیلتر نتایج به سال:
BACKGROUND Several changes to medication safety practices were proposed in a pediatric hospital, including changing the period of patient observation after administration of opioids and limiting the availability of various concentrations of morphine in the patient care unit. OBJECTIVE To document and review postoperative pain management for children on a surgical ward, specifically with regar...
in the present study, the effects of intra-hippocampal microinjections of morphine (an opioid agonist) and naloxone (an opioid antagonist) were investigated in the formalin-induced orofacial pain in rats. orofacial pain was induced by subcutaneous injection of formalin (1 %, 50 μl) in the upper lip region and the time spent of face rubbing was measured in 3-min blocks for 45 min. formalin induc...
Introduction: Activation of N-methyl-d-aspartate (NMDA) glutamate receptors in the nucleus accumbens is a component of drug-induced reward mechanism. In addition, NMDA receptors play a major role in brain reward system and activation of these receptors can change firing pattern of dopamine neurons. Blockade of glutamatergic neurotransmission reduces the expression of conditi...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
previous studies regarding teachers’ beliefs have revealed that teachers’ beliefs have influence on their classroom practices. the current study aimed to investigate the effect of teachers’ beliefs about teaching reading strategies on students’ motivation and success in reading comprehension in the context of english teaching as a foreign language in high schools of mazandaran, iran. data were ...
background and objective: the effect of opioids on the reproductive system has been studied as an attractive research field. in this study, the effect of morphine as an analgesic opioid was evaluated on the ovarian polycystic induction in the rat. materials & methods: in this study, 24 female virgin wistar rats weighing 200-250 g were injected with morphine (1-10 mg/kg/day) for 9 days. cont...
Introduction: Dependence on morphine and its complications are considered as a major health problem in the world; however, efforts to overcome this problem have failed due to the severity of drug dependence. Amygdala core nucleus (CeA) is one of the most important areas affecting the effects of morphine rewards. The GABAergic system in this nucleus; especially the GABAB receptors plays an impor...
PURPOSE The aim of this study was to evidence the clinical effects of an abrupt substitution of morphine with methadone using a fixed ratio of 1:5 in patients for whom limiting adverse effects occurred before adequate analgesia was achieved with oral morphine. PATIENTS AND METHODS A cross-sectional prospective study was carried out on 24 consecutive patients who were switched from oral morphi...
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