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Combination Opioids

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https://www.readbyqxmd.com/read/27935110/involvement-of-opioid-receptors-in-inhibition-of-bladder-overactivity-induced-by-sacral-neuromodulation-in-pigs-a-possible-action-mechanism
#1
Xing Li, Limin Liao, Guoqing Chen, Zhaoxia Wang, Han Deng
AIMS: To determine the role of opioid receptors in the inhibition of bladder overactivity by sacral neuromodulation (SNM) in pigs, and explore the possible mechanism of SNM. METHODS: Both implant-driven stimulators of the S3 spinal nerve were implanted in seven pigs. Naloxone and tramadol were administered. Multiple cystometrograms were performed to determine the effects of SNM and opioid receptors on the micturition reflex by infusing normal saline (NS) or acetic acid (AA)...
December 9, 2016: Neurourology and Urodynamics
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
#2
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/27923527/benzodiazepine-opioid-co-prescribing-in-a-national-probability-sample-of-emergency-department-encounters
#3
Howard S Kim, Danielle M McCarthy, D Mark Courtney, Patrick M Lank, Bruce L Lambert
BACKGROUND: Benzodiazepine-opioid combination therapy is potentially harmful due to the risk of synergistic respiratory depression, and the rate of death due to benzodiazepine-opioid overdose is increasing. Little is known about the prevalence and characteristics of benzodiazepine-opioid co-prescribing from the ED setting. METHODS: Secondary analysis of data from the National Hospital Ambulatory Medical Care Survey, using sample weights to generate population estimates...
December 2, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27921252/opioid-induced-bowel-dysfunction-in-patients-undergoing-spine-surgery-comparison-of-oxycodone-and-oxycodone-naloxone-treatment
#4
Merja Kokki, Moona Kuronen, Toivo Naaranlahti, Timo Nyyssönen, Ira Pikkarainen, Sakari Savolainen, Hannu Kokki
INTRODUCTION: Opioids are needed for postoperative pain in spine surgery patients, but opioid-induced constipation is a harmful adverse event. The aim of this clinical trial was to compare the use of a controlled-release oxycodone-naloxone combination product with oxycodone controlled-release tablets in these patients. The main outcome measure was the prevalence of constipation at 7 days postoperatively assessed with a Bowel Function Index questionnaire. A follow-up assessment at 21 days after surgery was also included...
December 5, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27916737/suprascapular-block-associated-with-interscalene-block-an-alternative-to-isolated-interscalene-block-for-analgesia-in-shoulder-instability-surgery
#5
Walid Trabelsi, Abdelkader Ben Gabsia, Anis Lebbi, Walid Sammoud, Iheb Labbène, Mustapha Ferjani
BACKGROUND: Interscalene brachial plexus block (ISB) is the gold standard for postoperative pain management in shoulder surgery. However, this technique has side effects and potentially serious complications. The aim of this study was to compare the combinations of ultrasound-guided suprascapular (SSB) associated with supraclavicular nerve block (SCB) and ultrasound-guided ISB for postoperative analgesia after shoulder instability surgery. METHODS: Sixty ASA physical status I-II patients scheduled to undergo shoulder instability surgery were included...
December 1, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27910870/antinociceptive-profile-of-levo-tetrahydropalmatine-in-acute-and-chronic-pain-mice-models-role-of-spinal-sigma-1-receptor
#6
Dong-Wook Kang, Ji-Young Moon, Jae-Gyun Choi, Suk-Yun Kang, Yeonhee Ryu, Jin Bong Park, Jang-Hern Lee, Hyun-Woo Kim
We have recently reported that repeated systemic treatments of extract from Corydalis yanhusuo alleviate neuropathic pain and levo-tetrahydropalmatine (l-THP) is one of active components from Corydalis. We designed this study to investigate antinociceptive effect of l-THP in acute and chronic pain models and related mechanism within the spinal cord. We found that intraperitoneal pretreatment with l-THP significantly inhibited the second phase of formalin-induced pain behavior. In addition, intrathecal as well as intraperitoneal pretreatment with l-THP reduced the mechanical allodynia (MA) induced by direct activation of sigma-1 receptor (Sig-1)...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27909407/the-tlr4-active-morphine-metabolite-morphine-3-glucuronide-does-not-elicit-macrophage-classical-activation-in-vitro
#7
Samira Khabbazi, Nan Xie, Wenjun Pu, Yannick Goumon, Marie-Odile Parat
Macrophages are abundant in the tumor microenvironment where they adopt a pro-tumor phenotype following alternative polarization induced by paracrine factors from cancer and stromal cells. In contrast, classically activated macrophages have tumoricidal activities, such that the polarization of tumor-associated macrophages has become a novel therapeutic target. Toll-like receptor 4 engagement promotes classical activation of macrophages, and recent literature suggests TLR4 agonism to prevent metastasis and promote survival in experimental metastasis models...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27908278/comparison-of-predictors-of-hip-fracture-and-mortality-after-hip-fracture-in-community-dwellers-with-and-without-alzheimer-s-disease-exposure-matched-cohort-study
#8
Anna-Maija Tolppanen, Heidi Taipale, Antti Tanskanen, Jari Tiihonen, Sirpa Hartikainen
BACKGROUND: Dementia, with Alzheimer's disease (AD) being the most common form, is a major hip fracture risk factor, but currently it is not known whether the same factors predict hip fracture among persons with and without dementia/AD. We compared the predictors of hip fracture and mortality after hip fracture in persons with and without AD. METHODS: An exposure-matched cohort of all community-dwellers of Finland who received a new clinically verified AD diagnosis in 2005-2011 and had no history of previous hip fracture (N = 67,072) and an age, sex, and region-matched cohort of persons without AD (N = 67,072)...
December 1, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27905940/drug-poisoning-deaths-in-the-united-states-1999-2012-a-statistical-adjustment-analysis
#9
Christopher J Ruhm
BACKGROUND: Drug poisoning mortality in the US has risen rapidly but the drugs involved are frequently unspecified on death certificates. METHODS: Reported and adjusted proportions of specific drug types involved in fatal drug poisonings were calculated using vital statistics mortality data from 1999 to 2012. The adjusted proportions were those predicted to occur if at least one specific type of drug had been identified on the death certificates of all poisoning fatalities...
January 15, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27903758/oprm1-and-comt-gene-gene-interaction-is-associated-with-postoperative-pain-and-opioid-consumption-after-orthopedic-trauma
#10
Heba Khalil, Susan M Sereika, Feng Dai, Sheila Alexander, Yvette Conley, Gary Gruen, Li Meng, Peter Siska, Ivan Tarkin, Richard Henker
BACKGROUND: mu-opioid receptor (OPRM1) and catechol-O-methyltransferase (COMT) contribute to the neurotransmission pathway of pain. COMT affects mu receptor expression and density in the brain. The aim of this study was to explore the OPRM1 and COMT interaction effects on postoperative pain and opioid consumption. METHODS: This cross-sectional exploratory study used genotype and clinical data from 153 postoperative patients. Using multiple regression analyses, four single-nucleotide polymorphisms of COMT (rs6269, rs4633, rs4818, and rs4680), their haplotypes, and diplotypes were considered for their interactions with A118G of OPRM1 regarding postoperative pain and opioid consumption...
November 30, 2016: Biological Research for Nursing
https://www.readbyqxmd.com/read/27903642/behavioral-characterization-of-kappa-opioid-receptor-agonist-spiradoline-and-cannabinoid-receptor-agonist-cp55940-mixtures-in-rats
#11
Vanessa Minervini, Sujata S Dahal, Charles France
Pain is a significant clinical problem and there is a need for more effective treatments with reduced adverse effects that currently limit the use of mu opioid receptor agonists. Synthetic kappa opioid receptor agonists have no abuse liability and well-documented antinociceptive effects; however, adverse effects (diuresis, dysphoria) preclude their use in the clinic. Combining kappa opioids with non-opioid drugs (cannabinoid receptor agonists) allows for smaller doses of each drug to produce antinociception...
November 30, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27900763/parecoxib-propacetamol-and-their-combination-for-analgesia-after-total-hip-arthroplasty-a-randomized-non-inferiority-trial
#12
F Camu, A Borgeat, R J Heylen, E J Viel, M E Boye, R Y Cheung
BACKGROUND: This study assessed non-inferiority of parecoxib vs. combination parecoxib+propacetamol and compared the opioid-sparing effects of parecoxib, propacetamol, and parecoxib+propacetamol vs. placebo after total hip arthroplasty. METHODS: In this randomized, placebo-controlled, parallel-group, non-inferiority study, patients received one of four IV treatments after surgery: parecoxib 40 mg bid (n = 72); propacetamol 2 g qid (n = 71); parecoxib 40 mg bid plus propacetamol 2 g qid (n = 72); or placebo (n = 38) with supplemental IV patient-controlled analgesia (morphine)...
January 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27900067/common-analgesic-agents-and-their-roles-in-analgesic-nephropathy-a-commentary-on-the-evidence
#13
REVIEW
Julian Yaxley
An association between non-opioid analgesic agents and chronic kidney disease has long been suspected. The presumed development of chronic renal impairment following protracted and excessive use of non-opioid analgesia is known as analgesic nephropathy. Many clinicians accept analgesic nephropathy as a real entity despite the paucity of scientific evidence. This narrative review aims to summarize the literature in the field. The weight of available observational literature suggests that long-term ingestion of paracetamol and combination mixtures of aspirin and paracetamol are likely to contribute to chronic renal impairment...
November 2016: Korean Journal of Family Medicine
https://www.readbyqxmd.com/read/27899885/interacting-cannabinoid-and-opioid-receptors-in-the-nucleus-accumbens-core-control-adolescent-social-play
#14
Antonia Manduca, Olivier Lassalle, Marja Sepers, Patrizia Campolongo, Vincenzo Cuomo, Giovanni Marsicano, Brigitte Kieffer, Louk J M J Vanderschuren, Viviana Trezza, Olivier J J Manzoni
Social play behavior is a highly rewarding, developmentally important form of social interaction in young mammals. However, its neurobiological underpinnings remain incompletely understood. Previous work has suggested that opioid and endocannabinoid neurotransmission interact in the modulation of social play. Therefore, we combined behavioral, pharmacological, electrophysiological, and genetic approaches to elucidate the role of the endocannabinoid 2-arachidonoylglycerol (2-AG) in social play, and how cannabinoid and opioid neurotransmission interact to control social behavior in adolescent rodents...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27899097/antinociception-of-petroleum-ether-fraction-derived-from-crude-methanol-extract-of-melastoma-malabathricum-leaves-and-its-possible-mechanisms-of-action-in-animal-models
#15
Z A Zakaria, E S Jaios, M H Omar, S Abd Rahman, S S A Hamid, S M Ching, L K Teh, M Z Salleh, S Deny, M Taher
BACKGROUND: Melastoma malabathricum L. (family Melastomaceae) has been traditionally used as remedies against various ailments including those related to pain. The methanol extract of M. malabathricum leaves has been proven to show antinociceptive activity. Thus, the present study aimed to determine the most effective fraction among the petroleum ether- (PEMM), ethyl acetate- (EAMM) and aqueous- (AQMM) fractions obtained through successive fractionation of crude, dried methanol extract of M...
November 29, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27890625/pharmacological-treatment-optimization-for-stable-chronic-obstructive-pulmonary-disease-proposals-from-the-soci%C3%A3-t%C3%A3-de-pneumologie-de-langue-fran%C3%A3-aise
#16
M Zysman, F Chabot, P Devillier, B Housset, C M Panzini, N Roche
The Société de Pneumologie de Langue Française proposes a decision algorithm on long-term pharmacological COPD treatment. A working group reviewed the literature published between January 2009 and May 2016. This document lays out proposals and not guidelines. It only focuses on pharmacological treatments except vaccinations, smoking cessation treatments and oxygen therapy. Any COPD diagnosis, based on pulmonary function tests, should lead to recommend smoking cessation, vaccinations, physical activity, pulmonary rehabilitation in case of activity limitation, and short-acting bronchodilators...
November 24, 2016: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/27890601/tramadol-effects-on-sexual-behavior-in-male-rats-are-mainly-caused-by-its-5-ht-reuptake-blocking-effects
#17
Jocelien D A Olivier, Diana C Esquivel Franco, Ronald Oosting, Marcel Waldinger, Zoltan Sarnyai, Berend Olivier
Tramadol is a well-known and effective analgesic. Recently it was shown that tramadol is also effective in human premature ejaculation. The inhibitory effect of tramadol on the ejaculation latency is probably due to its mechanism of action as a μ-opioid receptor agonist and noradrenaline/serotonin (5-HT) reuptake inhibitor. In order to test this speculation, we tested several doses of tramadol in a rat model of male sexual behavior and investigated two types of drugs interfering with the μ-opioid and the 5-HT system...
November 24, 2016: Neuropharmacology
https://www.readbyqxmd.com/read/27884758/magnesium-enhances-opioid-induced-analgesia-what-we-have-learnt-in-the-past-decades
#18
REVIEW
Magdalena Bujalska-Zadrożny, Jan Tatarkiewicz, Kamila Kulik, Małgorzata Filip, Marek Naruszewicz
Opioids are increasingly used in alleviating pain, including cancer-related pain and postoperative pain. Unfortunately, the development of tolerance, the resistance of neuropathic pain on opioid analgesia or other undesirable effects may limit their utility. In order to reduce opioid doses, and thereby to avoid the risk of side effects and sudden deaths due to overdosing, attempts have been made to introduce co-analgesics. Due to an increasing amount of data concerning a potential enhance of opioid analgesia by the physiological antagonist of N-methyl-d-aspartate receptors, magnesium ions (Mg(2+)), a concomitant use of such a combination seems to be interesting from a clinical point of view...
November 21, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27884220/multimodal-pain-management-for%C3%A2-enhanced-recovery-reinforcing-the-shift-from-traditional-pathways-through-nurse-led-interventions
#19
Robert Montgomery, Sharon A McNamara
Despite recent advances in perioperative patient care, postsurgical pain continues to be undermanaged. There is increasing acceptance of the concept that effective postsurgical pain management is best achieved through combined use of more than one analgesic agent or technique, and overreliance on opioids produces unwanted side effects limiting their utility. Accordingly, a balanced, multimodal approach to pain management within the larger framework of an Enhanced Recovery After Surgery (ERAS) pathway has become standard at many institutions for perioperative care, to control postsurgical pain, reduce opioid-related adverse events, hasten postsurgical recovery, and shorten length of hospital stay...
December 2016: AORN Journal
https://www.readbyqxmd.com/read/27882841/association-of-a-controlled-substance-scoring-algorithm-with-health-care-costs-and-hospitalizations-a-cohort-study
#20
Catherine I Starner, Yang Qiu, Pinar Karaca-Mandic, Patrick P Gleason
BACKGROUND: Patients often misuse a combination of prescription drugs including opioids; however, the relationship between a controlled substance (CS) score and health outcomes is unknown. OBJECTIVE: To examine the association between a CS scoring algorithm and health care use, specifically total cost of care, hospitalizations, and emergency room (ER) visits. METHODS: This analysis was a retrospective cohort study using administrative claims data from a large U...
December 2016: Journal of Managed Care & Specialty Pharmacy
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