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Chronic Opioids

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https://www.readbyqxmd.com/read/29456448/pain-catastrophizing-mediates-the-relationship-between-trait-happiness-and-depressive-symptoms-in-individuals-with-current-pain
#1
Patrick Tran, John A Sturgeon, Aneesha Nilakantan, Alyssa Foote, Sean Mackey, Kevin Johnson
Objective: There is an extensive relationship between chronic pain and depression; however, there is less research examining whether pain-specific factors, such as pain intensity, predict depression, above and beyond the role of normative factors, such as positive emotions. The current study characterized the independent contributions of pain intensity, pain catastrophizing, and a trait measure of happiness to self-rated depressive symptoms. Methods: We recruited and enrolled 70 volunteers across 3 groups of participants: two groups of patients with current low back pain (one group on opioids and one group opioid-naïve), and individuals in a methadone maintenance treatment program...
December 2017: Journal of Applied Biobehavioral Research
https://www.readbyqxmd.com/read/29456355/role-of-yoga-in-management-of-substance-use-disorders-a-narrative-review
#2
REVIEW
Pooja Patnaik Kuppili, Arpit Parmar, Ankit Gupta, Yatan Pal Singh Balhara
Substance use disorders are comparable to chronic medical illnesses and have a chronic relapsing course. Despite being significant contributors to morbidity and mortality, limited treatment options exist. The current narrative review was aimed at providing an overview of yoga therapy in substance-use disorders and discuss the relevant methodological issues. Articles published in English language till May 2017 indexed with PubMed, PubMed central, and Google Scholar were searched using search terms "Yoga," "Substance use," "Drug dependence," "Nicotine," "Tobacco," "Alcohol," "Opioids," "Cannabis," "Cocaine," "Stimulants," "Sedative hypnotics," "Inhalants," and "Hallucinogens" for inclusion in the review...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29456124/a-multicenter-study-of-total-pancreatectomy-with-islet-autotransplantation-tpiat-post-prospective-observational-study-of-tpiat
#3
Melena D Bellin, Maisam Abu-El-Haija, Katherine Morgan, David Adams, Gregory J Beilman, Srinath Chinnakotla, Darwin L Conwell, Ty B Dunn, Martin L Freeman, Timothy Gardner, Varvara A Kirchner, Luis F Lara, Leslie Long-Simpson, Jaimie D Nathan, Bashoo Naziruddin, John A Nyman, Timothy L Pruett, Sarah J Schwarzenberg, Vikesh K Singh, Kerrington Smith, Jennifer L Steel, Martin Wijkstrom, Piotr Witkowski, James S Hodges
BACKGROUND/OBJECTIVES: Total pancreatectomy with islet autotransplantation (TPIAT) is considered for managing chronic pancreatitis in selected patients when medical and endoscopic interventions have not provided adequate relief from debilitating pain. Although more centers are performing TPIAT, we lack large, multi-center studies to guide decisions about selecting candidates for and timing of TPIAT. METHODS: Multiple centers across the United States (9 to date) performing TPIAT are prospectively enrolling patients undergoing TPIAT for chronic pancreatitis into the Prospective Observational Study of TPIAT (POST), a NIDDK funded study with a goal of accruing 450 TPIAT recipients...
February 6, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29455092/internet-pseudoscience-testing-opioid-containing-formulations-with-tampering-potential
#4
Jennifer P Pascali, Paolo Fais, Fabio Vaiano, Nicola Pigaiani, Stefano D'Errico, Sandra Furlanetto, Diego Palumbo, Elisabetta Bertol
Drug tampering practices, with the aim to increase availability of drug delivery and/or enhance drug effects, are accessible on Internet and are practiced by some portion of recreational drug users. Not rarely, recreational misuse may result in toxic and even fatal results. The aim of the present study was to assess the tampering risk of medicaments containing different formulations of an opioid in combination with paracetamol or dexketoprofen, following the procedures reported in dedicated forums on the web...
February 10, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29453978/venlafaxine-prevents-morphine-antinociceptive-tolerance-the-role-of-neuroinflammation-and-the-l-arginine-nitric-oxide-pathway
#5
Mohammad Taghi Mansouri, Bahareh Naghizadeh, Behnam Ghorbanzadeh, Soheila Alboghobeish, Neda Amirgholami, Gholamreza Houshmand, Omar Cauli
Opioid-induced neuroinflammation and the nitric oxide (NO) signal-transduction pathway are involved in the development of opioid analgesic tolerance. The antidepressant venlafaxine (VLF) modulates NO in nervous tissues, and so we investigated its effect on induced tolerance to morphine, neuroinflammation, and oxidative stress in mice. Tolerance to the analgesic effects of morphine were induced by injecting mice with morphine (50 mg/kg) once a day for three consecutive days; the effect of co-administration of VLF (5 or 40 mg/kg) with morphine was similarly tested in a separate group...
February 14, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29453925/impact-of-opioid-therapy-on-gonadal-hormones-focus-on-buprenorphine
#6
REVIEW
Anjali Varma, Mamta Sapra, Ali Iranmanesh
Objective The USA is in the midst of an opioid crisis. Understanding the impact of opioids and commonly used treatments for opioid dependence is essential for clinicians and researchers in order to educate and treat the nation's growing population with opioid use disorders. As a relatively new treatment for opioid dependence, buprenorphine is gaining popularity to the extent of becoming not only a preferred approach to the maintenance of opiate addiction, but also an option for chronic pain management. The purpose of this report is to review the available evidence on the endocrine effects of buprenorphine, particularly as it relates to the hypothalamic-pituitary-gonadal (HPG) axis, which is controversial and not fully defined...
February 17, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29452972/does-preoperative-opioid-use-increase-the-risk-of-early-revision-total-hip-arthroplasty
#7
Nicholas A Bedard, David E DeMik, S Blake Dowdle, Jessell M Owens, Steve S Liu, John J Callaghan
BACKGROUND: The purpose of this study is to evaluate the impact of preoperative opioid use on the risk of subsequent revison after primary total hip arthroplasty (THA). METHODS: The Humana database was queried for unilateral THA between 2007-2015. Patients were tracked for the occurrence of an ipsilateral revision THA for 2. Factors analyzed included preoperative opioid use (defined as a history of opioid prescription filled within 3 months preceding primary THA), age, sex, diabetes, anxiety/depression, chronic kidney disease, and obesity (body mass index > 30 kg/m 2 )...
February 13, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29452834/pain-and-analgesic-drugs-in-chronic-venous-ulcers-with-topical-sevoflurane-use
#8
Adrian Imbernon-Moya, Francisco Javier Ortiz-de Frutos, Mónica Sanjuan-Alvarez, Isabel Portero-Sanchez, Raúl Merinero-Palomares, Victoria Alcazar
OBJECTIVE: Pain in chronic venous ulcers (CVUs) notably increases with the usual cleaning of the wound. Chronic pain is usually poorly controlled even with the multiple analgesic treatments available. Analgesics can have different serious adverse effects and medical interactions in old patients with several comorbidities. This study reports the efficacy and safety of topical sevoflurane for treatment of pain in CVUs. METHODS: We report a descriptive and retrospective study of 30 patients older than 65 years with painful CVUs refractory to conventional analgesic treatments...
February 13, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29451426/prioritizing-pediatric-chronic-pain-and-comprehensive-pain-treatment-in-the-context-of-the-opioid-epidemic
#9
Sarah R Martin, Lonnie K Zeltzer
No abstract text is available yet for this article.
February 16, 2018: Pain Management
https://www.readbyqxmd.com/read/29450244/characteristics-of-adherence-to-methadone-maintenance-treatment-over-a-15-year-period-among-homeless-adults-experiencing-mental-illness
#10
Milad Parpouchi, Akm Moniruzzaman, Stefanie N Rezansoff, Angela Russolillo, Julian M Somers
Background: Methadone maintenance treatment (MMT) has important protective effects related to reduced illicit opioid use, infectious disease transmission, and overdose mortality. Adherence to MMT has not been examined among homeless people. We measured MMT adherence and reported relevant characteristics among homeless adults experiencing mental illness in Vancouver, British Columbia, Canada. Material and methods: Homeless adults living with mental illness who had received MMT prior to the baseline interview of the Vancouver At Home study ( n = 78) were included in analyses...
December 2017: Addictive Behaviors Reports
https://www.readbyqxmd.com/read/29449106/hair-analysis-in-toxicological-investigation-of-drug-facilitated-crimes-in-denmark-over-a-8-year-period
#11
Xin Wang, Sys Stybe Johansen, Marie Katrine Klose Nielsen, Kristian Linnet
Hair can serve as a specimen for identifying past drug exposure. Segmental hair analysis may differentiate a single exposure from chronic use. Consequently, segmental hair analysis is useful for disclosing a single drug ingestion, as well as for determining repeated exposures in drug-facilitated crimes (DFCs). This paper presents an overview of toxicological investigations that have used hair analysis in DFC cases from 2009 to 2016 in Denmark. Hair concentrations were determined for 24 DFC-related drugs and metabolites, including benzodiazepines and other hypnotics, antihistamines, opioid analgesics, antipsychotics, barbiturates, and illicit drugs from DFC cases...
February 5, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29445295/the-effect-of-exercise-frequency-on-neuropathic-pain-and-pain-related-cellular-reactions-in-the-spinal-cord-and-midbrain-in-a-rat-sciatic-nerve-injury-model
#12
Megumi Sumizono, Harutoshi Sakakima, Shotaro Otsuka, Takuto Terashi, Kazuki Nakanishi, Koki Ueda, Seiya Takada, Kiyoshi Kikuchi
Background: Exercise regimens are established methods that can relieve neuropathic pain. However, the relationship between frequency and intensity of exercise and multiple cellular responses of exercise-induced alleviation of neuropathic pain is still unclear. We examined the influence of exercise frequency on neuropathic pain and the intracellular responses in a sciatic nerve chronic constriction injury (CCI) model. Materials and methods: Rats were assigned to four groups as follows: CCI and high-frequency exercise (HFE group), CCI and low-frequency exercise (LFE group), CCI and no exercise (No-Ex group), and naive animals (control group)...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29440926/local-anesthetics-for-brain-tumor-resection-current-perspectives
#13
REVIEW
Jan-Willem Potters, Markus Klimek
This review summarizes the added value of local anesthetics in patients undergoing craniotomy for brain tumor resection, which is a procedure that is carried out frequently in neurosurgical practice. The procedure can be carried out under general anesthesia, sedation with local anesthesia or under local anesthesia only. Literature shows a large variation in the postoperative pain intensity ranging from no postoperative analgesia requirement in two-thirds of the patients up to a rate of 96% of the patients suffering from severe postoperative pain...
2018: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/29440403/suppression-of-rgsz1-function-optimizes-the-actions-of-opioid-analgesics-by-mechanisms-that-involve-the-wnt-%C3%AE-catenin-pathway
#14
Sevasti Gaspari, Immanuel Purushothaman, Valeria Cogliani, Farhana Sakloth, Rachael L Neve, David Howland, Robert H Ring, Elliott M Ross, Li Shen, Venetia Zachariou
Regulator of G protein signaling z1 (RGSz1), a member of the RGS family of proteins, is present in several networks expressing mu opioid receptors (MOPRs). By using genetic mouse models for global or brain region-targeted manipulations of RGSz1 expression, we demonstrated that the suppression of RGSz1 function increases the analgesic efficacy of MOPR agonists in male and female mice and delays the development of morphine tolerance while decreasing the sensitivity to rewarding and locomotor activating effects...
February 12, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29438226/racial-differences-in-presentations-and-predictors-of-acute-pain-following-motor-vehicle-collision
#15
Francesca L Beaudoin, Roee Gutman, Wanting Zhai, Roland C Merchant, Melissa A Clark, Kenneth A Bollen, Phyllis Hendry, Michael C Kurz, Christopher Lewandowski, Claire Pearson, Brian O'Neil, Elizabeth Datner, Patricia Mitchell, Robert Domeier, Samuel A McLean
African-Americans experience a greater burden of acute pain than non-Hispanic white individuals across of variety of acute medical conditions, but it is unknown if this is the case following trauma. We evaluated pain, pain-related characteristics (e.g. peri-traumatic distress), and analgesic treatment in two cohorts of individuals (African-American (n=931) and non-Hispanic white (n=948)) presenting to the emergency department after a motor-vehicle crash (MVC). We performed a propensity-matched analysis (n=796 in each group) to assess racial differences in acute pain in the ED...
February 9, 2018: Pain
https://www.readbyqxmd.com/read/29433783/targeting-the-pains-of-food-insecurity-and-malnutrition-among-internally-displaced-persons-with-nutrient-synergy-and-analgesics-in-organ-meat
#16
REVIEW
Peter O Fayemi, Voster Muchenje, Hasan Yetim, Abdulatef Ahhmed
Living with pain is one of the distressing effects of food insecurity and malnutrition among millions of internally displaced persons (IDPs) worldwide. Vulnerability to emotional pain, metabolic imbalance, chronic illnesses and non-communicable diseases by IDPs are associated with stressed livelihood and restricted access to balanced diets in their camps. Tackling the complexity of issues related to internal displacement is challenging as 45% are globally trapped in protracted conditions. In this review, a diet-based intervention is proposed considering the potential benefits of nutrient synergy and analgesic constituents in organ meat...
February 2018: Food Research International
https://www.readbyqxmd.com/read/29433586/a-case-report-of-clonidine-induced-syncope-a-review-of-central-actions-of-an-old-cardiovascular-drug
#17
Alexander J Sandweiss, Christopher M Morrison, Anne Spichler, John Rozich
BACKGROUND: Clonidine is an imidazoline sympatholytic, acting on both α 2 -adrenergic and imidazoline receptors in the brainstem to induce antihypertensive and negative chronotropic effects in the vasculature and heart respectively. CASE PRESENTATION: A 69-year-old gentleman with hypertension presented to the emergency department after multiple syncopal episodes over the past 12 months. Electrocardiogram demonstrated sinus bradycardia with a heart rate of 42 beats per minute...
February 13, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29432333/buprenorphine-treatment-for-adolescents-and-young-adults-with-opioid-use-disorders-a-narrative-review
#18
Jacob T Borodovsky, Sharon Levy, Marc Fishman, Lisa A Marsch
: In the past decade, a new cohort of adolescents and young adults with opioid use disorders (OUD) has emerged. While medications and psychosocial treatments are available, few adolescents and young adults with OUD can access and remain in treatment. Effective, practical, and scalable treatment paradigms for this young population are needed. Buprenorphine is a medication with unique pharmacological and regulatory characteristics that make it a promising component of adolescent and young adult OUD treatment models...
February 9, 2018: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/29431275/burst-spinal-cord-stimulation-review-of-preclinical-studies-and-comments-on-clinical-outcomes
#19
REVIEW
Krishnan Chakravarthy, Alexander R Kent, Adil Raza, Fang Xing, Thomas M Kinfe
BACKGROUND: Burst spinal cord stimulation (SCS) technology uses a novel waveform that consists of closely packed high-frequency electrical impulses followed by a quiescent period. Within the growing field of neuromodulation, burst stimulation is unique in that it mimics the natural burst firing of the nervous system, in particular the thalamo-cingulate rhythmicity, resulting in modulation of the affective and attentional components of pain processing (e.g., medial thalamic pathways). STUDY DESIGN: A review of preclinical and clinical studies regarding burst SCS for various chronic pain states...
February 12, 2018: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/29430855/dynorphinergic-system-alterations-in-the-corticostriatal-circuitry-of-neuropathic-mice-supports-its-role-in-the-negative-affective-component-of-pain
#20
Palmisano Martina, Caputi Francesca Felicia, Mercatelli Daniela, Romualdi Patrizia, Candeletti Sanzio
The dynorphinergic system is involved in pain transmission at spinal level, where dynorphin exerts antinociceptive or pronociceptive effects, based on its opioid or non-opioid actions. Surprisingly, little evidence is currently available concerning the supraspinal role of the dynorphinergic system in pain conditions. The present study aimed to investigate whether neuropathic pain is accompanied by prodynorphin (Pdyn) and κ-opioid receptor (Oprk1) gene expression alterations in selected mouse brain areas. To this end, mice were subjected to chronic constriction injury of the right sciatic nerve and neuropathic pain behavioral signs were ascertained after 14 days...
February 12, 2018: Genes, Brain, and Behavior
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