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https://www.readbyqxmd.com/read/28213211/application-of-2d-hplc-coupled-with-principal-component-analysis-to-study-an-industrial-opiate-processing-stream
#1
Paul G Stevenson, Niki K Burns, Stuart D Purcell, Paul S Francis, Neil W Barnett, Fiona Fry, Xavier A Conlan
Principal component analysis (PCA) loading plots were used to elucidate key differences between two-dimensional high performance liquid chromatography (2D-HPLC) fingerprint data from samples collected from stages along the Papaver somniferum industrial process chemistry workflow. Data reduction was completed using a 2D-HPLC peak picking approach as a precursor to chemometric analysis. Using comparisons of the final stages of product extraction as an example, PCA analysis of characteristic 2D-HPLC fingerprints accounted for 84...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212516/sex-disparities-in-substance-abuse-research-evaluating-23-years-of-structural-neuroimaging-studies
#2
Kimberly E Lind, Eric J Gutierrez, Dorothy J Yamamoto, Michael F Regner, Sherry A McKee, Jody Tanabe
BACKGROUND: Sex differences in brain structure and clinical course of substance use disorders underscores the need to include women in structural brain imaging studies. The NIH has supported the need for research to address sex differences. We evaluated female enrollment in substance abuse structural brain imaging research and the methods used to study sex differences in substance effects. METHODS: Structural brain imaging studies published through 2016 (n=230) were evaluated for number of participants by sex and substance use status and methods used to evaluate sex differences...
January 31, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28210094/endoscopic-ultrasound-sedation-in-the-united-kingdom-is-life-without-propofol-tolerable
#3
Jennifer Anne Campbell, Andrew James Irvine, Andrew Derek Hopper
There is compelling evidence to support the quality, cost effectiveness and safety profile of non-anesthesiologist-administered propofol for endoscopic ultrasound (EUS). However in the United Kingdom, it is recommended that the administration and monitoring of propofol sedation for endoscopic procedures should be the responsibility of a dedicated and appropriately trained anaesthetist only. The majority of United Kingdom EUS procedures are performed with opiate and benzodiazepine sedation rather than anaesthetist led propofol lists due to anaesthetist resource availability...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28210021/opiate-analgesia-treatment-reduced-early-inflammatory-response-after-severe-chest-injuries
#4
Goran Krdzalic, Nermin Musanovic, Alisa Krdzalic, Indira Mehmedagic, Amar Kesetovic
BACKGROUND: The frequency of severe chest injuries are increased. Their high morbidity is followed by systemic inflammatory response. The efficacy of pharmacological blockade of the response could prevent complications after chest injures. AIM: The aim of the study was to show an inflammatory response level, its prognostic significant and length of hospital stay after chest injures opiate analgesia treatment. METHODS: Sixty patients from Department of Thoracic Surgery with severe chest injures were included in the prospective study...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28206989/il-4-mediated-by-hsv-vector-suppresses-morphine-withdrawal-response-through-decreasing-tnf%C3%AE-nr2b-and-pc-ebp%C3%AE-in-the-periaqueductal-gray-in-rats
#5
H Yi, T Iida, S Liu, D Ikegami, Q Liu, A Iida, D A Lubarsky, S Hao
Chronic opiates induce the development of physical dependence. Opioid physical dependence characterized by withdrawal symptoms, may have very long-lasting effects on the motivation for reward, including the incubation of cue-induced drug-seeking behavior. Elucidation of the mechanisms involved in physical dependence is crucial to developing more effective treatment strategies for opioid dependence. Chronic morphine induces production of proinflammatory cytokines in regional-specific sites of the brain. Interleukin-4 (IL-4) is a prototypical anti-inflammatory cytokine that globally suppresses proinflammatory cytokines...
February 16, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28203347/killing-two-birds-with-one-stone-successful-opioid-monotherapy-in-intractable-migraine-triggered-epilepsy-a-case-series
#6
REVIEW
Iraj Derakhshan
The novel concept explored in this case series is the primacy of headaches in generating seizures in those patients who suffer from migraine-triggered epilepsy. In this series, once the migraine headaches were fully suppressed, via daily scheduled opioid therapy, the seizures also stopped. Seizures returned, however, after the patients stopped the opiate regimen for any reason. The above pharmacological scenario is reminiscent of a similar but naturalistic course of events reported on the salutary effects of ketogenic diet, or changes in life style, in similar cases of migraine-triggered epilepsy...
January 2017: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/28199203/neurogenetics-of-acute-and-chronic-opiate-opioid-abstinence-treating-symptoms-and-the-cause
#7
Kenneth Blum, Mark S Gold, William Jacobs, William Vaughn McCall, Marcelo Febo, David Baron, Kristina Dushaj, Zsolt Demetrovics, Rajendra D Badgaiyan
This review begins with a comprehensive history of opioid dependence and treatment in the United States. The focus is an evidence-based treatment model for opioid/opiate dependent individuals. The role of reward genetic polymorphisms and the epigenetic modifications that lead to vulnerability to use and misuse of opiates/opioid to treat pain are reviewed. The neurochemical mechanisms of acute opiate withdrawal and opiate/opioid reward mechanisms are explored with a goal of identifying specific treatment targets...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28196306/effects-of-isoflurane-anesthesia-and-intravenous-morphine-self-administration-on-regional-glucose-metabolism-18-f-fdg-pet-of-male-sprague-dawley-rats
#8
Thomas Y Park, Kevin S Nishida, Colin M Wilson, Shalini Jaiswal, Jessica Scott, Andrew R Hoy, Reed G Selwyn, Bernard J Dardzinski, Kwang H Choi
Although certain drugs of abuse are known to disrupt brain glucose metabolism (BGluM), the effects of opiates on BGluM are not well characterized. Moreover, preclinical positron emission tomography (PET) studies anesthetize animals during the scan, which limits clinical applications. We investigated the effects of 1) isoflurane anesthesia and 2) intravenous morphine self-administration (MSA) on BGluM in rats. Jugular vein cannulated adult male Sprague-Dawley rats self-administered either saline (SSA) or morphine (0...
February 14, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28194398/sphincter-of-oddi-function-and-risk-factors-for-dysfunction
#9
REVIEW
Elham Afghani, Simon K Lo, Paul S Covington, Brooks D Cash, Stephen J Pandol
The sphincter of Oddi (SO) is a smooth muscle valve regulating the flow of biliary and pancreatic secretions into the duodenum, initially described in 1887 by the Italian anatomist, Ruggero Oddi. SO dysfunction (SOD) is a broad term referring to numerous biliary, pancreatic, and hepatic disorders resulting from spasms, strictures, and relaxation of this valve at inappropriate times. This review brings attention to various factors that may increase the risk of SOD, including but not limited to: cholecystectomy, opiates, and alcohol...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28187296/toxicological-investigation-of-forensic-cases-related-to-the-designer-drug-3-4-methylenedioxypyrovalerone-mdpv-detection-quantification-and-studies-on-human-metabolism-by-gc-ms
#10
Marcel Grapp, Christoph Kaufmann, Martin Ebbecke
3,4-methylenedioxypyrovalerone (MDPV) is a synthetic cathinone belonging to the class of α-pyrrolidinophenones that become increasingly popular as a designer psychostimulant. Here, we report a comprehensive collection of MDPV exposure with quantitative serum level confirmation in Germany. During the years 2014-2016, we could proof consumption of MDPV in 23 cases where urine and blood samples were submitted to our laboratory by the police of Lower Saxony. Most of the samples underwent systematic toxicological analysis by gas chromatography-mass spectrometry (GC-MS), where MDPV could be detected in urine and/or serum samples...
February 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28185645/mu-opioid-receptors-in-gamma-aminobutyric-acidergic-forebrain-neurons-moderate-motivation-for-heroin-and-palatable-food
#11
Pauline Charbogne, Olivier Gardon, Elena Martín-García, Helen L Keyworth, Aya Matsui, Anna E Mechling, Thomas Bienert, Taufiq Nasseef, Anne Robé, Luc Moquin, Emmanuel Darcq, Sami Ben Hamida, Patricia Robledo, Audrey Matifas, Katia Befort, Claire Gavériaux-Ruff, Laura-Adela Harsan, Dominik von Elverfeldt, Jurgen Hennig, Alain Gratton, Ian Kitchen, Alexis Bailey, Veronica A Alvarez, Rafael Maldonado, Brigitte L Kieffer
BACKGROUND: Mu opioid receptors (MORs) are central to pain control, drug reward, and addictive behaviors, but underlying circuit mechanisms have been poorly explored by genetic approaches. Here we investigate the contribution of MORs expressed in gamma-aminobutyric acidergic forebrain neurons to major biological effects of opiates, and also challenge the canonical disinhibition model of opiate reward. METHODS: We used Dlx5/6-mediated recombination to create conditional Oprm1 mice in gamma-aminobutyric acidergic forebrain neurons...
December 26, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/28183576/the-benefits-of-ultrasound-guided-continuous-sensory-nerve-blockade-in-the-setting-of-burn-injury-a-case-report-of-bilateral-continuous-superficial-peroneal-nerve-blockade-in-a-patient-with-severe-sleep-apnea
#12
Vladislav Shick, Evan E Lebovitz, Emerson Conrad
The management of pain after burn injuries is a clinical challenge magnified in patients with significant comorbidities. Presently, burn pain is treated via a wide variety of modalities, including systemic pharmacotherapy and regional analgesia. Although the latter can provide effective pain control in patients with burn injuries, it is relatively underused. Furthermore, the development of ultrasound guidance has allowed for novel approaches and sparing of motor nerve blockade with preference toward sensory-specific analgesia that has not been possible previously...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28183374/experiences-of-codeine-use-misuse-and-dependence-application-of-liese-and-franz-s-cognitive-developmental-model-of-substance-abuse
#13
Marie Claire Van Hout, Ian Norman, Eileen Rich, Michael Bergin
BACKGROUND: Misuse of codeine-containing medicines is an emerging public health issue. AIMS: We present the application of Liese and Franz's (1996) cognitive developmental model of substance abuse to the trajectory from legitimate codeine use for pain, towards that of therapeutic and other forms of misuse, and physical and psychological dependence. It illustrates a cognitive behavioural analysis of the experiences of codeine misusers - which 'surfaces' the specific beliefs, thoughts, emotions and behaviours of this group of hidden codeine dependent individuals, who are distinct and unique from other opioid-dependent cohorts...
February 10, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28167158/most-individuals-with-advanced-cirrhosis-have-sleep-disturbances-which-are-associated-with-poor-quality-of-life
#14
Marwan Ghabril, Mollie Jackson, Raghavender Gotur, Regina Weber, Eric Orman, Raj Vuppalanchi, Naga Chalasani
BACKGROUND & AIMS: Sleep disturbances are common in patients with cirrhosis, but their determinants and effects on health-related quality of life are not well understood. We investigated the prevalence of disturbed sleep in these patients, factors associated with sleep disruption, and effects on quality of life. METHODS: We performed a prospective, cross-sectional study of 193 stable ambulatory patients with cirrhosis (154 with decompensated cirrhosis). Participants completed the Pittsburgh sleep questionnaire index (to assess sleep quality), the chronic liver disease questionnaire (CLDQ), muscle cramp questionnaires, and underwent neurocognitive testing...
February 3, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28167156/eluxadoline-demonstrates-a-lack-of-abuse-potential-in-phase-2-and-3-studies-of-patients-with-irritable-bowel-syndrome-with-diarrhea
#15
Reginald V Fant, Jack E Henningfield, Brooks D Cash, Leonard S Dove, Paul S Covington
BACKGROUND & AIMS: Eluxadoline is approved by the Food and Drug Administration for the treatment of adults with irritable bowel syndrome with diarrhea (IBS-D). Eluxadoline is a locally acting mixed μ- and κ-opioid receptor agonist and δ-opioid receptor antagonist. The abuse potential of eluxadoline was evaluated as part of the Phase 2 and 3 clinical trials assessing the efficacy, safety, and tolerability of the drug. METHODS: One Phase 2 (IBS-2001) and 2 Phase 3 (IBS-3001 and IBS-3002) randomized controlled trials enrolled patients meeting Rome III criteria for IBS-D...
February 3, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28167137/deletion-of-rictor-in-catecholaminergic-neurons-alters-locomotor-activity-and-ingestive-behavior
#16
Sophia Kaska, Rebecca Brunk, Vedrana Bali, Megan Kechner, Michelle S Mazei-Robison
While the etiology of depression is not fully understood, increasing evidence from animal models suggests a role for the ventral tegmental area (VTA) in pathogenesis. In this paper, we investigate the potential role of VTA mechanistic target of rapamycin 2 (TORC2) signaling in mediating susceptibility to chronic social defeat stress (CSDS), a well-established mouse model of depression. Utilizing genetic and viral knockout of Rictor (rapamycin-insensitive companion of target of rapamycin), a requisite component of TORC2, we demonstrate that decreasing Rictor-dependent TORC2 signaling in catecholaminergic neurons, or within the VTA specifically, does not alter susceptibility to CSDS...
February 3, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28163926/rapid-analgesia-for-prehospital-hip-disruption-rapid-protocol-for-feasibility-study-of-randomised-controlled-trial
#17
Jenna K Bulger, Alan Brown, Bridie A Evans, Greg Fegan, Simon Ford, Katy Guy, Sian Jones, Leigh Keen, Ashrafunnesa Khanom, Ian Pallister, Nigel Rees, Ian T Russell, Anne C Seagrove, Helen A Snooks
BACKGROUND: Adequate pain relief at the point of injury and during transport to hospital is a major challenge in all acute traumas, especially for those with hip fractures, whose injuries are difficult to immobilise and whose long-term outcomes may be adversely affected by administration of opiate analgesics. Fascia iliaca compartment block (FICB) is a procedure routinely undertaken by doctors and nurses in the emergency department for patients with hip fracture but not yet evaluated for use by paramedics at the scene of emergency calls...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28162630/-385-opiate-adherence-in-african-americans-being-treated-for-cancer-pain
#18
K Yeager, S Meghani, H Cooper, T Quest, B Williams, J Kweon, S Haight, D Bruner
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28161214/consciousness-induced-during-cardiopulmonary-resuscitation-an-observational-study
#19
Alexander Olaussen, Ziad Nehme, Matthew Shepherd, Paul A Jennings, Stephen Bernard, Biswadev Mitra, Karen Smith
BACKGROUND: Cardiopulmonary resuscitation-induced consciousness (CPRIC) is a phenomenon that has been described in only a handful of case reports. In this study, we aimed to describe CPRIC in out-of-hospital cardiac arrest (OHCA) patients and determine its association with survival outcomes. METHODS: Retrospective study of registry-based data from Victoria, Australia between January 2008 and December 2014. Adult OHCA patients treated by emergency medical services (EMS) were included...
February 1, 2017: Resuscitation
https://www.readbyqxmd.com/read/28161142/factors-associated-with-using-opiates-while-under-extended-release-naltrexone-blockade-a-descriptive-pilot-study
#20
Brantley P Jarvis, Anthony DeFulio, Lauren Long, August F Holtyn, Annie Umbricht, Michael Fingerhood, George E Bigelow, Kenneth Silverman
BACKGROUND AND AIM: Extended-release naltrexone (XR-NTX) blocks the effects of opioids for 4weeks, yet many patients continue to use them. To learn more about why this occurs, we collected self-reports on subjective effects and drug use factors from participants' most recent heroin/opiate use while under XR-NTX blockade. METHODS: Participants (n=38) were unemployed, heroin-dependent adults enrolled in a randomized controlled trial evaluating employment-based incentives to promote adherence to XR-NTX...
December 24, 2016: Journal of Substance Abuse Treatment
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