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https://www.readbyqxmd.com/read/27933366/deficits-in-autonomic-indices-of-emotion-regulation-and-reward-processing-associated-with-prescription-opioid-use-and-misuse
#1
Eric L Garland, Craig J Bryan, Yoshio Nakamura, Brett Froeliger, Matthew O Howard
RATIONALE: Prescription opioid misuse and high-dose opioid use may result in allostatic dysregulation of hedonic brain circuitry, leading to reduced emotion regulation capacity. In particular, opioid misuse may blunt the ability to experience and upregulate positive affect from natural rewards. OBJECTIVES: The purpose of this study was to examine associations between opioid use/misuse and autonomic indices of emotion regulation capability in a sample of chronic pain patients receiving prescription opioid pharmacotherapy...
December 8, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27933094/the-newer-opioid-agonist-treatment-with-lower-substitutive-opiate-doses-is-associated-with-better-toxicology-outcome-than-the-older-harm-reduction-treatment
#2
Jacopo V Bizzarri, Valentina Casetti, Livia Sanna, Angelo Giovanni Icro Maremmani, Luca Rovai, Silvia Bacciardi, Daria Piacentino, Andreas Conca, Icro Maremmani
BACKGROUND: Charge-free heroin use disorder treatment in Italy follows two main approaches, i.e., harm reduction treatment (HRT) strategy in community low-threshold facilities for drug addiction and opioid agonist treatment (OAT) in high-threshold facilities for opioid addiction, focusing on pharmacological maintenance according to the Dole and Nyswander strategy. We aimed to compare the impact of HRT and OAT on patient outcome, as assessed through negativity for drugs on about 1-year urinalyses...
2016: Annals of General Psychiatry
https://www.readbyqxmd.com/read/27932894/effects-of-parecoxib-on-postoperative-pain-and-opioid-related-symptoms-following-gynecologic-surgery
#3
Bruce Parsons, Qijiang Zhu, Li Xie, Chunming Li, Raymond Cheung
OBJECTIVE: To examine the analgesic and opioid-sparing effects of parecoxib following major gynecologic surgery. METHODS: This is a large subset analysis of patients from a multicenter, randomized, double-blind, placebo-controlled study of parecoxib/valdecoxib (PAR/VAL) for postoperative pain. Pain severity, pain interference with function, opioid use, occurrence of opioid-related symptoms, and Patient/Physician Global Evaluation of Study Medication were compared between placebo and PAR/VAL treatment groups in the days following surgery...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27932310/loss-of-dopamine-d1-receptors-and-diminished-d1-5-receptor-mediated-erk-phosphorylation-in-the-periaqueductal-gray-after-spinal-cord-lesion
#4
Pamela J Voulalas, Yadong Ji, Li Jiang, Jamila Asgar, Jin Y Ro, Radi Masri
Neuropathic pain resulting from spinal cord injury is often accompanied by maladaptive plasticity of the central nervous system, including the opioid receptor-rich periaqueductal gray (PAG). Evidence suggests that sensory signaling via the PAG is robustly modulated by dopamine D1- and D2-like receptors, but the effect of damage to the spinal cord on D1 and D2 receptor protein expression and function in the PAG has not been examined. Here we show that 21 days after a T10 or C6 spinothalamic tract lesion, both mice and rats display a remarkable decline in the expression of D1 receptors in the PAG, revealed by western blot analysis...
December 5, 2016: Neuroscience
https://www.readbyqxmd.com/read/27932062/experiencing-neonatal-maternal-separation-increased-pain-sensitivity-in-adult-male-mice-involvement-of-oxytocinergic-system
#5
Hossein Amini-Khoei, Shayan Amiri, Ali Mohammadi-Asl, Sakineh Alijanpour, Simin Poursaman, Arya Haj-Mirzaian, Mojgan Rastegar, Azam Mesdaghinia, Hamid Reza Banafshe, Ehsanollah Sadeghi, Elika Samiei, Shahram Ejtemaie Mehr, Ahmad Reza Dehpour
Early-life stress adversely affects the development of the brain, and alters a variety of behaviors such as pain in later life. In present study, we investigated how early-life stress (maternal separation or MS) can affect the nociceptive response later in life. We particularly focused on the role of oxytocin (OT) in regulating nociception in previously exposed (MS during early postnatal development) mice that were subjected to acute stress (restraint stress or RS). Further, we evaluated whether such modulation of pain sensation in MS mice are regulated by shared mechanisms of the OTergic and opioidergic systems...
November 30, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27931253/alcohol-use-in-opioid-agonist-treatment
#6
REVIEW
Seonaid Nolan, Jan Klimas, Evan Wood
Alcohol misuse among individuals receiving agonist treatment for an opioid use disorder is common and is associated with significant morbidity and mortality. At present, though substantial research highlights effective strategies for the screening, diagnosis and management of an alcohol or opioid use disorder individually, less is known about how best to care for those with a dual diagnosis especially since common treatments for opioid addiction may be contraindicated in a setting of alcohol use. This review summarizes existing research and characterizes the prevalence, clinical implications and management of alcohol misuse among individuals with opioid addiction...
December 8, 2016: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/27931232/retention-in-georgia-opioid-substitution-therapy-program-and-associated-factors
#7
Ekaterine Ruadze, Khatuna Todadze
BACKGROUND: Substance abuse has been considered as a growing challenge in Georgia that is closely linked with human immune deficiency virus (HIV) and hepatitis C transmission due to unsafe injection and other uncontrolled behaviors. Methadone maintenance therapy is one of the major treatment options for opioid-dependent individuals. It has proven efficacy in decreasing illegal opioid consumption and criminal behavior as well as reducing the level of HIV infection, mortality, HCV infection, and increasing social functioning...
December 8, 2016: Harm Reduction Journal
https://www.readbyqxmd.com/read/27929709/safety-of-buprenorphine-transdermal-system-in-the-management-of-pain-in-older-adults
#8
Joseph V Pergolizzi, Robert B Raffa, Zachary Marcum, Salvatore Colucci, Steven R Ripa
OBJECTIVES: To evaluate whether buprenorphine transdermal system (BTDS; Butrans®) is an option for the treatment of chronic pain in older adults. METHODS: This retrospective analysis of 16 placebo- and active-controlled and uncontrolled studies (N=6566) evaluated the safety and tolerability profile in patients exposed to BTDS and compared the safety profiles associated with BTDS treatment in older patients ≥ 65 years of age (65 to 98 years) and younger patients < 65 years of age (18 to 64 years)...
December 8, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27929241/opioid-analgesia-hard-to-tolerate-and-not-effective-for-chronic-low-back-pain
#9
Allen F Shaughnessy
No abstract text is available yet for this article.
November 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27929214/rural-opioid-use-disorder-treatment-depends-on-family-physicians
#10
Peter Wingrove, Brian Park, Andrew Bazemore
No abstract text is available yet for this article.
October 1, 2016: American Family Physician
https://www.readbyqxmd.com/read/27928668/alvimopan-in-the-setting-of-colorectal-resection-with-an-ostomy-to-use-or-not-to-use
#11
Yuxiang Wen, Murad A Jabir, Michael Keating, Alison R Althans, Justin T Brady, Bradley J Champagne, Conor P Delaney, Scott R Steele
BACKGROUND: Postoperative ileus (POI) is a major cause of morbidity, increased length of stay (LOS) and hospital cost after colorectal surgery. Alvimopan is a µ-opioid antagonist used to accelerate upper and lower gastrointestinal function after bowel resection. We hypothesized that alvimopan would reduce LOS in patients undergoing colorectal resection with stoma, a situation that has not been evaluated. METHODS: A retrospective review (2010-2015) identified 58 patients who underwent colorectal resection for benign or malignant disease with stoma creation and received alvimopan...
December 7, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27927796/g9a-inhibits-creb-triggered-expression-of-mu-opioid-receptor-in-primary-sensory-neurons-following-peripheral-nerve-injury
#12
Lingli Liang, Jian-Yuan Zhao, Xiyao Gu, Shaogen Wu, Kai Mo, Ming Xiong, Brianna Marie Lutz, Alex Bekker, Yuan-Xiang Tao
Neuropathic pain, a distressing and debilitating disorder, is still poorly managed in clinic. Opioids, like morphine, remain the mainstay of prescribed medications in the treatment of this disorder, but their analgesic effects are highly unsatisfactory in part due to nerve injury-induced reduction of opioid receptors in the first-order sensory neurons of dorsal root ganglia. G9a is a repressor of gene expression. We found that nerve injury-induced increases in G9a and its catalyzed repressive marker H3K9m2 are responsible for epigenetic silencing of Oprm1, Oprk1, and Oprd1 genes in the injured dorsal root ganglia...
2016: Molecular Pain
https://www.readbyqxmd.com/read/27927519/a-rapid-recovery-pathway-for-adolescent-idiopathic-scoliosis-that-improves-pain-control-and-reduces-time-to-inpatient-recovery-after-posterior-spinal-fusion
#13
Alex L Gornitzky, John M Flynn, Wallis T Muhly, Wudbhav N Sankar
STUDY DESIGN: Retrospective comparative cohort. OBJECTIVES: To determine if a standardized multimodal analgesic and rehabilitation protocol (rapid recovery pathway [RRP]) in adolescent idiopathic scoliosis (AIS) patients undergoing posterior spinal fusion (PSF) could improve pain control, reduce opioid-related complications, and expedite early mobilization. BACKGROUND: Several reports have described postoperative recovery pathways for AIS patients undergoing PSF that shorten length of stay (LOS) without reporting the impact such pathways might have on patients' pain or quality of recovery...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27927256/the-effects-of-needle-sharing-and-opioid-substitution-therapy-on-incidence-of-hepatitis-c-virus-infection-and-reinfection-in-people-who-inject-drugs
#14
C K Aitken, P A Agius, P G Higgs, M A Stoové, D S Bowden, P M Dietze
Although high hepatitis C virus (HCV) prevalence has been observed in people who inject drugs (PWID) for decades, research suggests incidence is falling. We examined whether PWIDs' use of opioid substitution therapy (OST) and their needle-and-syringe sharing behaviour explained HCV incidence. We assessed HCV incidence in 235 PWID in Melbourne, Australia, and performed discrete-time survival with needle-sharing and OST status as independent variables. HCV infection, reinfection and combined infection/reinfection incidences were 7·6 [95% confidence interval (CI) 4·8-11·9], 12·4 (95% CI 9·1-17·0) and 9·7 (95% CI 7·4-12·6) per 100 person-years, respectively...
December 8, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27926949/efficacy-and-tolerability-of-co-administering-full-%C3%A2%C2%B5-opioid-receptor-agonists-with-buprenorphine-and-mixed-opioid-agonists
#15
X Ruan, J Luo, A Kaye
No abstract text is available yet for this article.
December 7, 2016: Drug Research
https://www.readbyqxmd.com/read/27926654/neonatal-abstinence-syndrome-and-ethical-approaches-to-the-identification-of-pregnant-women-who-use-drugs
#16
Mishka Terplan, Howard Minkoff
The United States is experiencing an epidemic of opioid use, addiction, and neonatal abstinence syndrome. Consequentially, a great deal of public, and public health, attention has turned toward the timely recognition of pregnant women who use drugs. We explore the clinical efficacy and ethical acceptability of different methods of identification-contrasting drug testing (using biologic samples such as urine) with screening (using an instrument or questionnaire) under both universal and selective approaches within the current legal and social landscape, which is fraught with potential adverse consequences for both the woman and her child...
December 2, 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27926437/involvement-of-opioid-signaling-in-food-preference-and-motivation-studies-in-laboratory-animals
#17
I Morales, L Font, P J Currie, R Pastor
Motivation is a complex neurobiological process that initiates, directs, and maintains goal-oriented behavior. Although distinct components of motivated behavior are difficult to investigate, appetitive and consummatory phases of motivation are experimentally separable. Different neurotransmitter systems, particularly the mesolimbic dopaminergic system, have been associated with food motivation. Over the last two decades, however, research focusing on the role of opioid signaling has been particularly growing in this area...
2016: Progress in Brain Research
https://www.readbyqxmd.com/read/27925868/overlapping-buprenorphine-opioid-and-benzodiazepine-prescriptions-among-veterans-dually-enrolled-in-va-and-medicare-part-d
#18
Walid F Gellad, Xinhua Zhao, Carolyn T Thorpe, Joshua M Thorpe, Florentina E Sileanu, John P Cashy, Maria Mor, Jennifer A Hale, Thomas Radomski, Leslie R M Hausmann, Michael J Fine, Chester B Good
BACKGROUND: Buprenorphine is a key tool in the management of opioid use disorder, but there are growing concerns about abuse, diversion and safety. These concerns are amplified for the Department of Veterans Affairs (VA), whose patients may receive care concurrently from multiple prescribers within and outside VA. To illustrate the extent of this challenge, we examined overlapping prescriptions for buprenorphine, opioids, and benzodiazepines among Veterans dually enrolled in VA and Medicare Part D...
December 7, 2016: Substance Abuse
https://www.readbyqxmd.com/read/27925864/intravenous-use-of-intranasal-naloxone-a-case-of-overdose-reversal
#19
Smita Das, Nina Shah, Murtuza Ghadiali
BACKGROUND: Opioid overdose is a growing concern in the United States and internationally. Prehospital or pre-medical-personnel (lay person) administration of naloxone, an opioid antagonist, to reverse overdose, is an expanding mode of harm reduction. Recently, community clinics, methadone clinics, needle exchanges, some pharmacies and other health care facilities have made naloxone available to the community. CASE: This case describes heroin overdose reversal of a 28-year-old male who had been using about a gram of heroin intravenously for 3 years, but recently reduced frequency of use in an attempt to stop...
December 7, 2016: Substance Abuse
https://www.readbyqxmd.com/read/27923769/recombination-in-hepatitis-c-virus-is-not-uncommon-among-people-who-inject-drugs-in-kolkata-india
#20
Debanjali Gupta, Kallol Saha, Aritra Biswas, Rushna Firdaus, Monika Ghosh, Provash Chandra Sadhukhan
Recombination in RNA virus is a rare event in the survival and evolution to evade host immune system. This is increasing within high risk group population (HRG) due to super infection that occurs by continuous sharing of common drug equipment by HCV infected or HIV-HCV co-infected recurrent drug users. Recombination causes impediment to vaccine development and therapeutic intervention as standard HCV treatment is still genotype specific. Blood samples of 194 people who inject drugs (PWID) were collected from an Opioid Substitution Therapy Centre in Kolkata,India...
December 3, 2016: Infection, Genetics and Evolution
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