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https://www.readbyqxmd.com/read/29454709/in-vitro-diagnosis-of-immediate-drug-hypersensitivity-during-anesthesia-a-review-of-the-literature
#1
Didier G Ebo, Margaretha Faber, Jessy Elst, Athina L Van Gasse, Chris H Bridts, Christel Mertens, Luc S De Clerck, Margo M Hagendorens, Vito Sabato
Quantification of specific IgE (sIgE) antibodies constitutes an important measure to document anesthesia-related immediate hypersensitivity reactions (IHRs). However, only a few drug-specific assays are available and their predictive value is not known. In cases of non-IgE mediated IHRs, diagnosis might benefit from cellular tests such as basophil mediator release tests and basophil activation tests (BATs). To review the potential and limitations of quantification of sIgE, mediator release, and BAT in anesthesia-related IHRs, a literature search was conducted using the key words allergy, basophil activation, CD63, CD203c, diagnosis, drugs, hypersensitivity, flow cytometry, MRGPRX2, specific IgE antibodies, leukotrienes, histamine, and tryptase; this was complemented by the authors' experience...
February 14, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29453495/comparison-of-concentrations-of-drugs-between-blood-samples-with-and-without-fluoride-additive-important-findings-for-%C3%AE-9-tetrahydrocannabinol-and-amphetamine
#2
Christopher Wiedfeld, Julia Krueger, Gisela Skopp, Frank Musshoff
Fluoride is a common stabilizing agent in forensic toxicology to avoid the frequent problem of degradation of drugs in blood samples especially described for cocaine. In cases only samples with addition of fluoride are available, it is a crucial question if also concentrations of common drugs other than cocaine (amphetamines, opiates and cannabinoids) are affected by fluoride. So far, there are only rare literature data available on discrepant results especially for Δ 9 -tetrahydrocannabinol (THC). In this study, comparative analysis of positive tested paired routine plasma/serum samples (n = 375), collected at the same time point (one device with and one without fluoride), was carried out with special focus on cannabinoids...
February 17, 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29428641/interpreting-interaction-effects-in-estimates-of-the-risk-of-traffic-injury-associated-with-the-use-of-illicit-drugs
#3
Rune Elvik
Interactions characterise the relationship between use of amphetamines, cannabis and opiates as a driver and the risk of traffic injury associated with the use of these drugs. Inverse risk curves have been found for these drugs, meaning that the higher the proportion of drivers in normal traffic testing positive for the drugs, the lower is the increase in risk associated with them. The inverse risk curves can arise in many ways. The paper discusses ten different interpretations of the curves; seven of these are methodological and claim that the risk curves are statistical artefacts...
February 8, 2018: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/29419341/comparing-the-validity-of-self-report-and-urinalysis-for-substance-use-among-former-inmates-in-the-northeastern-united-states
#4
Jacob J van den Berg, Samuel Adeyemo, Mary B Roberts, Beth C Bock, L A R Stein, Rosemarie A Martin, Donna R Parker, Jennifer G Clarke
BACKGROUND: Problems with self-reported drug use include difficulties with recall and recognition as well as the desire to respond to questions in a socially desirable manner. Various methods have been developed to improve and/or validate estimates based on direct questioning of individuals regarding their substance use. For this study, we were interested in validating self-reported use of: 1) tobacco, 2) marijuana, and 3) other substances (i.e., heroin, cocaine, opiates, oxycodone, benzodiazepines, methamphetamine, phencyclidine, and barbiturates) employing urinalysis among inmates who participated in a randomized controlled trial of a smoking abstinence intervention in a tobacco-free prison located in the northeastern United States...
February 8, 2018: Substance Use & Misuse
https://www.readbyqxmd.com/read/29409046/evaluation-of-dr%C3%A3-ger-drugtest-5000-in-a-naturalistic-setting
#5
Hallvard Gjerde, Grethe Brennhovd Clausen, Espen Andreassen, Håvard Furuhaugen
Reliable field testing devices for psychoactive drugs would be useful tools for the police for detecting drug-impaired drivers. The Norwegian Mobile Police Service (NMPS) started using Dräger DrugTest 5000 (DDT5000) in 2015 as an on-site screening instrument for drugs in samples of oral fluid. The aim of this study was to compare the results of field testing of DDT5000 with drug findings in blood and oral fluid samples taken from drivers suspected for driving under the influence of drugs (DUID). In total, 369 drivers were included in this field testing; blood samples were obtained from all of them, while oral fluid samples were collected with the Intercept device from 301 of them...
February 2, 2018: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29398203/typology-of-drug-use-in-united-kingdom-men-who-have-sex-with-men-and-associations-with-socio-sexual-characteristics
#6
G J Melendez-Torres, Adam Bourne, David Reid, Ford Hickson, Chris Bonell, Peter Weatherburn
BACKGROUND: Analysis of specific drug use patterns in men who have sex with men (MSM) is important in targeting HIV prevention and harm reduction interventions and in developing a fuller picture of drug use in context beyond consideration of use of specific drugs in isolation. OBJECTIVES: We sought to develop a typology of recent drug use in MSM, and to explore how distribution of MSM across the classes in this typology differs by socio-sexual characteristics. METHODS: We examined last-year drug use reported by 16,814 MSM as part of a cross-sectional, internet-based survey of MSM living in the UK for which data were collected in late summer 2014...
February 2, 2018: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29389577/urine-specimen-validity-test-for-drug-abuse-testing-in-workplace-and-court-settings
#7
Shin-Yu Lin, Hei-Hwa Lee, Jong-Feng Lee, Bai-Hsiun Chen
In recent decades, urine drug testing in the workplace has become common in many countries in the world. There have been several studies concerning the use of the urine specimen validity test (SVT) for drug abuse testing administered in the workplace. However, very little data exists concerning the urine SVT on drug abuse tests from court specimens, including dilute, substituted, adulterated, and invalid tests. We investigated 21,696 submitted urine drug test samples for SVT from workplace and court settings in southern Taiwan over 5 years...
January 2018: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/29388528/completed-audit-cycle-to-explore-the-use-of-the-stopp-start-toolkit-to-optimise-medication-in-psychiatric-in-patients-with-dementia
#8
Victor M Aziz, Natalie Hill, Sugandha Kumar
Aims and method To explore the use of the STOPP/START toolkit in older psychiatric in-patients with dementia. Clinical records and current drug charts were reviewed against STOPP/START criteria for all in-patients (n = 86) on six specialist dementia wards. RESULTS: Benzodiazepines, antipsychotics and opiates were most commonly prescribed inappropriately. The most common unprescribed medication groups were statins, calcium supplements and vitamin D supplements. There was an overall reduction of 7% in comorbidities and 8% in the number of prescriptions...
February 2018: BJPsych Bulletin
https://www.readbyqxmd.com/read/29377736/family-related-factors-and-concurrent-heroin-use-in-methadone-maintenance-treatment-in-china
#9
Nan Feng, Chunqing Lin, Julie Hsieh, Keming Rou, Li Li
BACKGROUND: The use of heroin during Methadone Maintenance Treatment (MMT) is a challenging problem that contributes to poor treatment outcomes. Families may play an important role in addressing concurrent heroin use during MMT, especially in collectivist societies such as China. OBJECTIVES: In this study, we explored the relationship between family-related factors and concurrent heroin use during MMT in China. METHODS: This study was conducted at 68 MMT clinics in five provinces of China...
January 29, 2018: Substance Use & Misuse
https://www.readbyqxmd.com/read/29339657/the-practical-management-of-chronic-pancreatitis-a-multidisciplinary-symposium-held-at-the-annual-meeting-of-the-pancreatic-society-of-great-britain-and-ireland-manchester-2016
#10
Santhalingam Jegatheeswaran, Joanne M Puleston, Sinead Duggan, Andrew Hart, Kevin C Conlon, Ajith K Siriwardena
AIM: This study is about a questionnaire survey of delegates attending the chronic pancreatitis symposium at the 2016 meeting of the Pancreatic Society of Great Britain and Ireland and seeks a multidisciplinary "snapshot" overview of practice. METHODS: A questionnaire was developed with multidisciplinary input. Questions on access to specialist care, methods of diagnosis and treatment including specific scenarios were incorporated. Eighty-three (66%) of 125 delegates effectively participated in this survey...
January 16, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29334921/a-pilot-feasibility-randomised-controlled-trial-of-an-adjunct-brief-social-network-intervention-in-opiate-substitution-treatment-services
#11
Ed Day, Alex Copello, Jennifer L Seddon, Marilyn Christie, Deborah Bamber, Charlotte Powell, Carmel Bennett, Shabana Akhtar, Sanju George, Andrew Ball, Emma Frew, Ilias Goranitis, Nick Freemantle
BACKGROUND: Approximately 3% of people receiving opioid substitution therapy (OST) in the UK manage to achieve abstinence from prescribed and illicit drugs within three years of commencing treatment. Involvement of families and wider social networks in supporting psychological treatment may be an effective strategy in facilitating recovery, and this pilot study aimed to evaluate the impact of a social network-focused intervention for patients receiving OST. METHODS: A two-site, open feasibility trial randomised patients receiving OST for at least 12 months but still reporting illicit opiate use in the past 28 days to one of three treatments: 1) treatment as usual (TAU), 2) Brief Social Behaviour and Network Therapy (B-SBNT) + TAU, or 3) Personal Goal Setting (PGS) + TAU...
January 15, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29301050/field-detection-of-drugs-of-abuse-in-oral-fluid-using-the-alere%C3%A2-dds%C3%A2-2-mobile-test-system-with-confirmation-by-liquid-chromatography-tandem-mass-spectrometry-lc-ms-ms
#12
Alex J Krotulski, Amanda L A Mohr, Melissa Friscia, Barry K Logan
The collection and analysis of drugs in oral fluid (OF) at the roadside has become more feasible with the introduction of portable testing devices such as the Alere™ DDS®2 Mobile Test System (DDS®2). The objective of this study was to compare the on-site results for the DDS®2 to laboratory-based confirmatory assays with respect to detection of drugs of abuse in human subjects. As part of a larger Institutional Review Board approved study, two OF samples were collected from each participant at a music festival in Miami, FL, USA...
December 28, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29301012/diagnosis-of-heroin-overdose-in-an-8-year-old-boy-reliable-contribution-of-toxicological-investigations
#13
M Soichot, S Julliand, J Filatriau, A Hurbain, E Bourgogne, A Mihoubi, H Gourlain, B Delhotal-Landes
Toxicological investigations are often required by clinicians in comatose patients with suspected poisoning. However, the usefulness of toxicological analyses to support a diagnosis of acute poisoning is debated among clinicians and the interpretation of laboratory tests is challenging given the wide diversity of analytical techniques available. We report the case of an 8-year-old boy who was admitted to an intensive care unit with severe respiratory depression and neurological impairment. In order to formulate appropriate hypothesizes about the diagnosis and circumstances of intoxication, clinicians consulted toxicologists for a comprehensive toxicological screening...
December 28, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29299212/risk-factors-of-mortality-due-to-acute-opium-poisoning-a-report-from-the-largest-intoxication-referral-center-in-iran
#14
Sahar Rismantab-Sani, Babak Soltani, Siamak Soltani, Azadeh Memarian
Background: Studies have shown that Iran has a high rate of opiate abuse and the most prevalently used is opium. This study was aimed to evaluate risk factors in patients with acute opium intoxication who referred to Loghman Hakim Hospital, Tehran, Iran, in 2011. Methods: A total number of 383 patients with acute opium overdose, who were referred to the Emergency Department of Loghman Hakim Hospital in Tehran during 2011, were enrolled into this descriptive, cross-sectional study...
April 2017: Addiction & Health
https://www.readbyqxmd.com/read/29284807/a-clinical-study-of-opioid-substitution-therapy-in-a-tertiary-care-center-of-eastern-india
#15
Satyakam Mohapatra, Mihir Ranjan Nayak, Manaswini Dash
Background: Opioid substitution therapy (OST) is an evidence-based intervention for opiate-dependent persons that replaces illicit drug use with medically prescribed, orally administered opiates such as buprenorphine and methadone. OST reduces HIV risk behaviors and harms associated with injecting opioid. Most of the evidence for OST effectiveness has been generated in middle- and high-income countries where programs are mostly located in dedicated health-care settings; evidence regarding the outcomes of OST programs in low-income countries where OST is often provided in grassroots settings such as drop-in centers is limited...
November 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/29260792/a-novel-role-for-oligodendrocyte-precursor-cells-opcs-and-sox10-in-mediating-cellular-and-behavioral-responses-to-heroin
#16
Jennifer A Martin, Aaron Caccamise, Craig T Werner, Rathipriya Viswanathan, Jessie J Polanco, Andrew F Stewart, Shruthi A Thomas, Fraser J Sim, David M Dietz
Opiate abuse and addiction have become a worldwide epidemic with great societal and financial burdens, highlighting a critical need to understand the neurobiology of opiate addiction. While several studies have focused on drug-dependent changes in neurons, the role of glia in opiate addiction remains largely unstudied. RNA sequencing pathway analysis from the prefrontal cortex of male rats revealed changes in several genes associated with oligodendrocyte differentiation and maturation following heroin self-administration...
December 20, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29220529/oxytocin-and-naltrexone-successfully-treat-hypothalamic-obesity-in-a-boy-post-craniopharyngioma-resection
#17
Eugenie A Hsu, Jennifer L Miller, Francisco A Perez, Christian L Roth
Context: Hypothalamic obesity, a treatment-resistant condition common to survivors of craniopharyngioma (CP), is strongly associated with a poor quality of life in this population. Oxytocin (OT), a hypothalamic neuropeptide, has been shown to play a role in the regulation of energy balance and to have anorexigenic effects in animal studies. Naltrexone (NAL), an opiate antagonist, has been shown to deter hedonic eating and to potentiate OT's effects. Case description: In this parent-observed study, we tested the administration of intranasal OT for 10 weeks (phase 1), followed by a combination of intranasal OT and NAL for 38 weeks (phase 2) in a 13-year-old male with confirmed hypothalamic obesity and hyperphagia post-CP resection...
December 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29216892/opiate-agonist-treatment-to-improve-health-of-individuals-with-opioid-use-disorder-in-lebanon
#18
Ali Ghaddar, Zeinab Abbas, Ramzi Haddad
BACKGROUND: Opioid agonist therapy has been widely used to reduce harms among individuals with opioid use disorder but its effectiveness has not been evaluated in the Middle East North African (MENA) region. This study aims to evaluate the effectiveness of a program using opioid agonist therapy in combination with psychosocial support on improving psychological and social well-being, reducing arrest, and reducing risky behavior in individuals with opioid use disorder in Lebanon. METHODS: A one-group pre-test post-test design study was performed at SKOUN Lebanese Addiction Centre between January 2013 and December 2014...
December 8, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/29207922/effect-of-steady-state-methadone-on-high-fructose-corn-syrup-consumption-in-rats
#19
Stephen Daniels, Mick Pratt, Yan Zhou, Francesco Leri
Patients undergoing methadone maintenance treatment self-report enhanced preferences for, and excessive consumption of, foods rich in sugar. However, it is unclear whether these are direct pharmacological effects of methadone or the consequences of metabolic dysfunctions induced by addiction to illicit opiates. Hence, the current study in drug-naïve male Sprague-Dawley rats explored the effects of steady-state methadone delivered by osmotic mini-pumps (13 days; 0, 10, 30 mg/kg/day) on consumption of rat chow and a palatable, sweet, liquid high fructose corn syrup solution...
December 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/29197244/systematic-assessment-of-different-solvents-for-the-extraction-of-drugs-of-abuse-and-pharmaceuticals-from-an-authentic-hair-pool
#20
Milena M Madry, Thomas Kraemer, Markus R Baumgartner
Hair analysis has been established as a prevalent tool for retrospective drug monitoring. In this study, different extraction solvents for the determination of drugs of abuse and pharmaceuticals in hair were evaluated for their efficiency. A pool of authentic hair from drug users was used for extraction experiments. Hair was pulverized and extracted in triplicate with seven different solvents in a one- or two-step extraction. Three one- (methanol, acetonitrile, and acetonitrile/water) and four two-step extractions (methanol two-fold, methanol and methanol/acetonitrile/formate buffer, methanol and methanol/formate buffer, and methanol and methanol/hydrochloric acid) were tested under accurately equal experimental conditions...
November 23, 2017: Forensic Science International
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