نتایج جستجو برای: acetaminophen
تعداد نتایج: 10385 فیلتر نتایج به سال:
BACKGROUND Intravenous acetaminophen injection (paracetamol) is marketed in Europe for the management of acute pain. A repeated-dose, randomized, double-blind, placebo-controlled, three-parallel group study was performed to evaluate the analgesic efficacy and safety of intravenous acetaminophen as compared with its prodrug (propacetamol) and placebo. Propacetamol has been available in many Euro...
objective(s): this study was performed aiming to investigate the effect of particle engineering via spray drying of hydroalcoholic solution on solid states and physico-mechanical properties of acetaminophen. materials and methods: spray drying of hydroalcoholic solution (25% v/v ethanol/water) of acetaminophen (5% w/v) in the presence of small amounts of polyninylpyrrolidone k30 (pvp) (0, 1.2...
We read with interest the recent description of yet another case of bilirubin-related positive interference in an enzymatic colorimetric assay for acetaminophen (1 ). As a remedy, these authors suggest measuring bilirubin before every acetaminophen assay and removing it by ultrafiltration when the bilirubin concentration is higher than the reported cutoffs for interference. An alternative and p...
Acetaminophen overdose is the leading cause of acute liver failure. One dose of 10-15 g causes severe liver damage in humans, whereas repeated exposure to acetaminophen in humans and animal models results in autoprotection. Insight of this process is limited to select proteins implicated in acetaminophen toxicity and cellular defence. Here we investigate hepatic adaptation to acetaminophen toxi...
background: opioid analgesics are the mainstay of the treatment of postoperative pain. appropriate monitoring of patients receiving opioid analgesics is essential to detect those with side effects such as respiratory depression. the discovery of acetaminophen as a cox-3 variant may represent a primary central mechanism by which acetaminophen decrease pain. the aim of this study was to assess th...
Hepatotoxicity caused by acetaminophen can be prevented by enzyme-catalyzed conjugation of its reactive metabolite with glutathione (GSH). Since we have shown in previous studies that 6-N-propyl-2-thiouracil (PTU) can substitute for GSH as a substrate for the GSH S-transferases, we examined the possibility that PTU might also protect against acetaminophen hepatotoxicity by direct chemical inter...
BACKGROUND Acetaminophen Psi Parameter (APP) is a composite of acetaminophen (paracetamol) level and lag time before N-acetylcysteine (NAC) therapy. The APP is a significant predictor of hepatotoxicity secondary to acute acetaminophen overdose. Acetaminophen Psi Nomogram (APN) was invented as a graphic analog of the APP for use in predicting individual patient's risk of hepatotoxicity. Clinical...
BACKGROUND Cardiopulmonary bypass (CPB) lyses erythrocytes and induces lipid peroxidation, indicated by increasing plasma concentrations of free hemoglobin, F2-isoprostanes, and isofurans. Acetaminophen attenuates hemeprotein-mediated lipid peroxidation, reduces plasma and urine concentrations of F2-isoprostanes, and preserves kidney function in an animal model of rhabdomyolysis. Acetaminophen ...
Introduction: Pain is one of the complications of electromyography. The present study was designed to evaluate the effects of acetaminophen-oxycodone and lorazepam on the pain caused by needling in electromyography. Materials and Methods: In this clinical study, 150 patients were divided into three groups (receiving lorazepam, acetaminophen and placebo). Pain was measured by visual analogue sca...
The interaction of acetaminophen, a non-substrate anionic ligand, with Aldehyde Dehydrogenase was studied by fluorescence, UV-Vis absorption, and circular dichroism spectroscopies under simulated physiological conditions. The fluorescence spectra and data generated showed that acetaminophen binding to ALDH is purely dynamic quenching mechanism. The acetaminophen-ALDH is kinetically rapid revers...
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