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https://www.readbyqxmd.com/read/29034602/gender-and-arch-effects-on-the-use-of-non-opioid-analgesics-for-post-endodontic-pain-reduction
#1
Wail M Elzaki, Hassan M Ziada, Neamat H Abubakr, Yahia E Ibrahim
This study aimed to evaluate the secondary outcomes of gender and arch and their impact on pain reduction following initial endodontic therapy. 185 medications, including placebo were prepared, and 170 participants completed the trial. Group 1, received a single dose of Paracetamol alone (G-1), Group 2 received combined Ibuprofen/Paracetamol (G-2). Group 3 received combined Mefenamic acid/Paracetamol (G-3), group 4 received combined Diclofenac K/Paracetamol (G-4) and Group 5 received a placebo (G-5). There were no statistically significant differences in pain reduction between males and females whilst there were statistically significant differences between them and the placebo group...
October 16, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29030323/gender-and-the-association-between-long-term-prescription-opioid-use-and-new-onset-depression
#2
Joanne Salas, Jeffrey F Scherrer, Brian K Ahmedani, Laurel A Copeland, Kathleen K Bucholz, Mark D Sullivan, Thomas Burroughs, F David Schneider, Patrick J Lustman
Women have a higher prevalence of chronic non-cancer pain conditions and report more severe pain, yet, it is not known if the association between long term opioid analgesic use (OAU) and risk of a new depression episode (NDE) differs by gender. We analyzed patient data from the Veterans Health Administration (VHA; 2000 to 2012; n=70,997) and a large private-sector health care organization (2003 to 2012; n=22,981) to determine whether long-term OAU and risk of NDE differed by gender. Patients were free of depression and OAU for two years prior to baseline...
October 10, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29026504/loperamide-dependency-a-case-report
#3
Mehran Zarghami, Maryam Rezapour
BACKGROUND: Loperamide is used as an antidiarrheal drug and is available over-the-counter. It cannot pass the blood-brain barrier and it does not have a considerable abuse potential. It can lead to dangerous cardiac arrhythmia. CASE REPORT: Herein, we report a 35-year-old man with a 13-year history of abusing opioids who had undergone detoxification for four times during this period. He underwent detoxification for using 200 mg loperamide daily with anticholinergic agents, clonidine, non-steroidal analgesics, and diazepam...
January 2017: Addiction & Health
https://www.readbyqxmd.com/read/29025923/plasticity-of-signaling-by-spinal-estrogen-receptor-alpha-kappa-opioid-receptor-and-mglurs-over-the-rat-reproductive-cycle-regulates-spinal-endomorphin-2-antinociception-relevance-of-endogenous-biased-agonism
#4
Nai-Jiang Liu, Vijaya Murugaiyan, Emiliya M Storman, Stephen A Schnell, Arjun Kumar, Martin W Wessendorf, Alan R Gintzler
We previously showed that intrathecal application of endomorphin 2 [EM2; the highly specific endogenous mu-opioid receptor (MOR) ligand] induces antinociception that varies with stage of the rat estrous cycle -- minimal during diestrus and prominent during proestrus. Earlier studies, however, did not identify proestrus-activated signaling strategies that enable spinal EM2 antinociception. We now report that in female rats, increased spinal dynorphin release and kappa-opioid receptor (KOR) signaling, as well as the emergence of glutamate-activated mGluR1 signaling, are critical to the transition from an EM2 non-responsive (during diestrus) to an analgesically responsive state (during proestrus)...
October 12, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29024786/neurobiological-correlates-of-pain-avoidance-like-behavior-in-morphine-dependent-and-non-dependent-rats
#5
Amanda R Pahng, Rod I Paulsen, M Adrienne McGinn, Kimberly N Edwards, Scott Edwards
Repeated use of opioids can lead to the development of analgesic tolerance and dependence. Additionally, chronic opioid exposure can cause a paradoxical emergence of heightened pain sensitivity to noxious stimuli, termed hyperalgesia, which may drive continued or escalated use of opioids to manage worsening pain symptoms. Opioid-induced hyperalgesia has traditionally been measured in rodents via reflex-based assays, including the von Frey method. To better model the cognitive/motivational dimension of pain in a state of opioid dependence and withdrawal, we employed a recently developed non-reflex-based method for measuring pain avoidance-like behavior in animals (mechanical conflict avoidance test)...
October 9, 2017: Neuroscience
https://www.readbyqxmd.com/read/29022417/prevalence-of-pain-medication-prescriptions-in-france-germany-and-the-uk-a-cross-sectional-study-including-4-270-142-patients
#6
Louis Jacob, Karel Kostev
OBJECTIVES: The goal of the present study was to analyze the prevalence of pain medication prescriptions in general practices in France, Germany, and the UK. METHODS: This study included all patients aged ≥18 years followed in 2016 in general practitioner practices in France, Germany and the UK. The primary outcome was the prevalence of patients receiving prescriptions for pain medications in France, Germany, and the UK in 2016. The following drugs were included in the analysis: anti-inflammatory and antirheumatic products, non-steroids and analgesics including opioids, antimigraine preparations, and other analgesics and antipyretics...
October 12, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/29020995/sedation-with-propofol-during-ercp-is-the-combination-with-esketamine-more-effective-and-safer-than-with-alfentanil-study-protocol-for-a-randomized-controlled-trial
#7
Susanne Eberl, Lena Koers, Jeanin E van Hooft, Edwin de Jong, Thomas Schneider, Markus W Hollmann, Benedikt Preckel
BACKGROUND: Endoscopic retrograde cholangiopancreatography (ERCP) is a gastrointestinal procedure that requires a relatively motionless patient during the intervention. Deep sedation by intravenous propofol combined with an opioid has recently become the preferred sedation technique. However, when high doses of propofol are used, side effects, namely respiratory depression, may occur. Esketamine has hypnotic, analgesic, and sympathomimetic effects. Our assumption is that a combination of propofol with esketamine reduces the dosage of individual drugs, thereby minimizing sedation side effects while keeping the same satisfaction level of patients and endoscopists...
October 11, 2017: Trials
https://www.readbyqxmd.com/read/28986540/reactive-metabolites-of-acetaminophen-activate-and-sensitize-the-capsaicin-receptor-trpv1
#8
Mirjam J Eberhardt, Florian Schillers, Esther M Eberhardt, Linus Risser, Jeanne de la Roche, Christine Herzog, Frank Echtermeyer, Andreas Leffler
The irritant receptor TRPA1 was suggested to mediate analgesic, antipyretic but also pro-inflammatory effects of the non-opioid analgesic acetaminophen, presumably due to channel activation by the reactive metabolites parabenzoquinone (pBQ) and N-acetyl-parabenzoquinonimine (NAPQI). Here we explored the effects of these metabolites on the capsaicin receptor TRPV1, another redox-sensitive ion channel expressed in sensory neurons. Both pBQ and NAPQI, but not acetaminophen irreversibly activated and sensitized recombinant human and rodent TRPV1 channels expressed in HEK 293 cells...
October 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28983880/cannabis-and-cannabinoids-for-chronic-pain
#9
REVIEW
E Alfonso Romero-Sandoval, Ashley L Kolano, P Abigail Alvarado-Vázquez
PURPOSE OF REVIEW: The purpose of this study was to provide the most up-to-date scientific evidence of the potential analgesic effects, or lack thereof, of the marijuana plant (cannabis) or cannabinoids, and of safety or tolerability of their long-term use. RECENT FINDINGS: We found that inhaled (smoked or vaporized) cannabis is consistently effective in reducing chronic non-cancer pain. Oral cannabinoids seem to improve some aspects of chronic pain (sleep and general quality of life), or cancer chronic pain, but they do not seem effective in acute postoperative pain, abdominal chronic pain, or rheumatoid pain...
October 5, 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28982207/transient-receptor-potential-vanilloid-1-inhibitors-block-laparotomy-and-opioid-induced-infarct-size-reduction-in-rats
#10
Helen M Heymann, Yun Wu, Yao Lu, Nir Qvit, Garrett J Gross, Eric R Gross
BACKGROUND AND PURPOSE: In light of the opioid epidemic, physicians are increasingly prescribing non-opioid analgesics to surgical patients. Transient receptor potential vanilloid 1 (TRPV1) inhibitors are potentially alternative pain therapeutics for surgery. Here we examined in rodents whether cardioprotection conferred by two occurrences during surgery, a laparotomy or morphine delivery, is mediated by TRPV1. We further tested whether an experimental analgesic peptide (known as P5) targeted against the TRPV1 C-terminus region interferes with laparotomy- or morphine-induced cardioprotection...
October 5, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28981581/systematic-review-to-determine-which-validated-measurement-tools-can-be-used-to-assess-risk-of-problematic-analgesic-use-in-patients-with-chronic-pain
#11
R Lawrence, D Mogford, L Colvin
Misuse of prescription opioids, and other drugs prescribed for chronic pain, has increased, with major concerns about harm. This review was undertaken to identify validated measurement tools for risk assessment and monitoring of chronic non-cancer pain patients being considered for, or currently prescribed, analgesic drugs with abuse potential.Selected databases (Embase, Medline, Cochrane library/CENTRAL, PsycINFO, PubMed, CINAHL) were systematically searched for studies evaluating tools for risk of analgesic misuse, either before, or during, analgesic therapy for chronic pain, using predetermined inclusion/exclusion criteria...
September 14, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28979762/ketamine-for-pain
#12
REVIEW
Kelly Jonkman, Albert Dahan, Tine van de Donk, Leon Aarts, Marieke Niesters, Monique van Velzen
The efficacy of the N-methyl-D-aspartate receptor antagonist ketamine as an analgesic agent is still under debate, especially for indications such as chronic pain. To understand the efficacy of ketamine for relief of pain, we performed a literature search for relevant narrative and systematic reviews and meta-analyses. We retrieved 189 unique articles, of which 29 were deemed appropriate for use in this review. Ketamine treatment is most effective for relief of postoperative pain, causing reduced opioid consumption...
2017: F1000Research
https://www.readbyqxmd.com/read/28967362/pain-management-in-rheumatology-research-training-and-practice
#13
REVIEW
David G Borenstein, Afton L Hassett, David Pisetsky
The Pain Management Task Force of the American College of Rheumatology published a report in 2010 highlighting pain management as a fundamental aspect of clinical practice, training and research. In the interim, the consideration of pain as a focus of attention of rheumatologists and rheumatology health professionals has become even more challenging than in 2010 because of the epidemic of opiate addiction and overdose death. The characterisation of categories of pain by mechanism (e.g., inflammation, joint degeneration, abnormalities of central pain processing) can help guide treatment...
September 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28950033/alternative-viewpoint-predictors-of-response-in-emergency-department-patients-receiving-intravenous-opioids-for-severe-pain
#14
James Priano, Brian Faley
We read with great interest Predictors of Response in Emergency Department Patients Receiving Intravenous Opioids for Severe Pain(1) . We feel that while this paper helps determine response to opioids, there are other factors that should be considered. First, in this study, it is difficult to assess whether or not patients received non-opioid analgesics. A multimodal pain control strategy is recommended by many organizations(2-4) . The multimodal strategy should include at least 2 medications, with 2 different mechanisms of action to avoid reliance on a single drug for pain control...
September 26, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28948894/minimally-invasive-technique-for-intrathecal-administration-of-morphine-in-rats-practicality-and-antinociceptive-properties
#15
Aurelie Anic Thomas, Johann Detilleux, Charlotte Friederike Sandersen, Paul Andrew Flecknell
The intrathecal (IT) route of administration represents a means to reduce the dose of morphine administered for analgesia, potentially minimizing interactions between opioid effects and experimental outcomes. Perceived technical difficulty, and previously described invasive methods, may limit its use. This report describes a minimally invasive technique for IT administration of morphine by direct transcutaneous lumbosacral puncture in rats; and assesses antinociceptive properties of morphine in anaesthetized rats...
October 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28944983/oral-prolonged-release-oxycodone-naloxone-for-managing-pain-and-opioid-induced-constipation-a-review-of-the-evidence
#16
REVIEW
Bart J Morlion, Stefan A Mueller-Lissner, Renato Vellucci, Wojciech Leppert, Benoît C Coffin, Sara L Dickerson, Tony O'Brien
BACKGROUND: Opioids provide effective relief from moderate-to-severe pain and should be prescribed as part of a multifaceted approach to pain management when other treatments have failed. Fixed-dose oxycodone/naloxone prolonged-release tablets (OXN PR) were designed to address the opioid class effect of opioid-induced constipation (OIC) by combining the analgesic efficacy of oxycodone with the opioid receptor antagonist, naloxone, which has negligible systemic availability when administered orally...
September 25, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28943040/treatment-of-musculo-skeletal-pain-in-haemophilia
#17
REVIEW
E Carlos Rodriguez-Merchan
Musculo-skeletal pain treatment is inadequate in many haemophilic patients. Analgesics are used only by 36% of adult patients. FVIII/FIX intravenous infusion is mainly used to lessen pain, followed in frequency by usage of NSAIDS (primarily COX-2 inhibitors). In about 30% of patients, pain continues after infusion of F VIII/IX. In acute haemarthroses pain treatment must continue until total disappearance (checked by ultrasonography) and include haematologic treatment, short-term rest of the involved joint, cryotherapy, joint aspiration and analgesic medication (paracetamol in mild pain, metamizole for more intense pain, and in a few precise patients, soft opioids such as codeine or tramadol)...
September 19, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28940900/successful-control-of-pain-from-malignant-psoas-syndrome-by-spinal-opioid-with-local-anesthetic-agents
#18
Takashi Yamaguchi, Katsuyuki Katayama, Mina Matsumoto, Yoshifumi Sato, Noriko Nakayama, Ko Hisahara
BACKGROUNDS: Malignant psoas syndrome (MPS) is a rare but distressing pain syndrome observed in advanced cancer patients. Pain due to MPS is often refractory to multi-modal analgesic treatment, including opioid analgesics. As only one case demonstrating the efficacy of neuraxial analgesia in managing pain due to MPS has been reported, its role in MPS remains uncertain. CASES: We present three cases demonstrating the successful management of pain due to MPS using spinal opioids with local anesthetic agents...
September 23, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/28911965/physiological-roles-of-cns-muscarinic-receptors-gained-from-knockout-mice
#19
REVIEW
Morgane Thomsen, Gunnar Sørensen, Ditte Dencker
Because the five muscarinic acetylcholine receptor subtypes have overlapping distributions in many CNS tissues, and because ligands with a high degree of selectivity for a given subtype long remained elusive, it has been difficult to determine the physiological functions of each receptor. Genetically engineered knockout mice, in which one or more muscarinic acetylcholine receptor subtype has been inactivated, have been instrumental in identifying muscarinic receptor functions in the CNS, at the neuronal, circuit, and behavioral level...
September 11, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28898808/associations-between-statewide-prescription-drug-monitoring-program-pdmp-requirement-and-physician-patterns-of-prescribing-opioid-analgesics-for-patients-with-non-cancer-chronic-pain
#20
Hsien-Chang Lin, Zhi Wang, Carol Boyd, Linda Simoni-Wastila, Anne Buu
OBJECTIVE: State-level prescription drug monitoring programs (PDMPs) have been implemented in most states. PDMPs enable registered prescribers to obtain real-time information on patients' prescription history to reduce non-medical use of controlled drugs. This study examined whether PDMP implementation and different levels of PDMP requirements were associated with physicians' patterns of prescribing opioid analgesics for patients with non-cancer chronic pain. METHODS: This is a secondary analysis study using cross-sectional national data...
January 2018: Addictive Behaviors
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