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A NEW DISCHARGE SCALE DIRECTED TO PATIENTS SUBMITTED TO ENDOSCOPIC PROCEDURES WITH SEDATION. () - May 4, 2020 - Abstract #DDW2020DDW_5232; All patients in this study were sedated using Fentanyl, Midazolam and Propofol, being evaluated 15-20'' after the procedure and re-evaluated every 15'', using both scales... Regarding the discharge decision, the new proposed scale has shown to be more sensitive than the modified Aldrete-Kroulik score, since it was able to identify patients that would have otherwise been inappropriately discharged by the MAK score.
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HIGH SEDATION REQUIREMENTS FOR PATIENTS AGES 45-49 YEARS UNDERGOING COLONOSCOPY COMPARED TO PATIENTS AGES 50-54 YEARS () - May 4, 2020 - Abstract #DDW2020DDW_4281; Patients ages 45-49 years old are significantly more likely to have a high sedation requirement when undergoing colonoscopy with CS compared to patients ages 50-54 years old. When considering the cost effectiveness of population screening all average-risk adults starting at age 45 years, it is salient that younger patients added to the screening pool may require colonoscopy with anesthesia assistance more often than the currently screened population, potentially adding more cost than predicted.
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PERSONALIZED MEDICINE IN ENDOSCOPY: PHARMACOGENOMICS PREDICT RESPONCE TO CONSCIOUS SEDATION () - May 4, 2020 - Abstract #DDW2020DDW_3844; Rapid metabolizers for the enzyme CYP1A2 and intermediate metabolizers for enzyme CYP2C19 were more likely to require normal sedation requirements during endoscopy. These preliminary findings describe a potential benefit of applying individualized medicine in patients pursing outpatient endoscopic procedures.
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Journal: Metabolite Profiling of Ortho-, Meta- and Para-Fluorofentanyl by Hepatocytes and High-Resolution Mass Spectrometry. (Pubmed Central) - Apr 30, 2020 This in vitro study showed that the metabolic pattern for ortho-, meta-, and para-fluorofentanyl was close to those previously reported for other fentanyl analogues. We suggest that the hydroxymethoxy metabolite and the metabolite hydroxylated on the ethylphenyl ring should be the metabolites primarily investigated in further studies to determine the most appropriate marker for intake of fluorofentanyl derivatives in urine drug screening for human subjects.
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Journal: Seizures as a complication of recreational drug use: Analysis of the Euro-DEN Plus data-set. (Pubmed Central) - Apr 29, 2020 This substantiates observations that the synthetic cannabinoids as a group of novel psychoactive substances are clinically different in consequence of intoxication than cannabis, and that individuals who suffer a seizure in the context of recreational drug intoxication are likely to have worse outcomes overall. Utilising this information of what substances have a greater risk of seizures, could provide tailored harm reduction and education strategies to users to reduce the risk of seizures and their associated complications.
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Journal: Enhancement of opioid antinociception by nicotine. (Pubmed Central) - Apr 28, 2020 Dose-response functions for tail-withdrawal latency and operant performance were determined for fentanyl, oxycodone, buprenorphine, and nalbuphine alone and after treatment with nicotine...Failure of arecoline to augment the antinociceptive effects of oxycodone and antagonism by mecamylamine suggests this nicotine-induced augmentation of prescription opioid antinociception was nicotinic acetylcholine receptor (nAChR) mediated...The present results indicate that nicotine enhances antinociceptive effects of various opioid agonists in nonhuman primates without increasing their disruptive effects on operant performance. These results suggest that nicotine might function as an opioid adjuvant for pain management by decreasing clinically effective analgesic doses of prescription opioids without exacerbating their adverse behavioral effects.
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Journal: Keeping the Fentanyl Narrative Accurate. (Pubmed Central) - Apr 28, 2020 These results suggest that nicotine might function as an opioid adjuvant for pain management by decreasing clinically effective analgesic doses of prescription opioids without exacerbating their adverse behavioral effects. No abstract available
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Journal, Benefit-risk assessment: A pragmatic utility function to describe the risk-benefit composite of opioid and non-opioid analgesic medication. (Pubmed Central) - Apr 27, 2020 Study 2 was an experimental study on the effect of intravenous fentanyl on antinociception and respiratory depression in healthy volunteers...A pragmatic utility function based on the probability of two binary outcomes, analgesia and adverse effect, was successfully constructed using data from two previous studies. Results yielded valuable insights into the utility of treatment and may be highly educative for physicians and may be used in development of potent analgesics with serious side effects.
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Even fentanyl! (Twitter) - Apr 27, 2020
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Minimizing Cardiac Oedema during Ex Vivo Perfusion in a Juvenile Porcine Model - How Much Does Coronary Flow Matter? () - Apr 26, 2020 - Abstract #ISHLT2020ISHLT_873; After intubation and propofol/fentanyl anesthesia was induced, median sternotomy was performed and the heart prepared for harvest...Conclusion We found a lower degree of oedema formation in the 600ml/min perfusion group, but similar metabolic response as the group with higher flows. . We suggest using this slightly reduced flow when investigating juvenile porcine hearts in an ex-vivo perfusion model.
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Journal: Navigating social norms of injection initiation assistance during an overdose crisis: A qualitative study of the perspectives of people who inject drugs (PWID) in Vancouver, Canada. (Pubmed Central) - Apr 26, 2020 Despite the proliferation of fentanyl and fentanyl-adulterated opioids in North America, the impacts of this drug market change on injection initiation processes have not been examined...Our analysis of how PWID practice interpersonal responsibility helps conceptualise how 'moral codes' prohibiting initiation assistance are managed and negotiated amidst structural vulnerability. Structural interventions reducing the vulnerability of novice injectors should be prioritized, including the implementation of supervised injection sites allowing for assisted injection, Good Samaritan laws, and policy changes conducive to a safer drug supply.
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Preclinical, Journal: Methocinnamox (MCAM) produces long-lasting antagonism of the behavioral effects of µ opioid receptor agonists but not prolonged precipitated withdrawal in rats. (Pubmed Central) - Apr 26, 2020 Before MCAM, morphine, fentanyl, and the κ-opioid receptor agonist spiradoline dose dependently increased tail-withdrawal latency from 50°C water; MCAM attenuated the antinociceptive effects of morphine and fentanyl, but not spiradoline...This study demonstrates that MCAM selectively antagonizes multiple effects mediated by μ opioid receptor agonists for 2 weeks or longer, and like naloxone, MCAM precipitates withdrawal in morphine-dependent rats. Despite this persistent antagonism, withdrawal signs precipitated by MCAM are not significantly different from signs precipitated by naloxone or occurring after discontinuation of morphine, suggesting that using MCAM for opioid abuse or overdose would not produce sustained withdrawal.
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