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https://www.readbyqxmd.com/read/28110168/ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-uhplc-ms-ms-for-determination-of-ghb-precursors-and-metabolites-in-different-specimens-application-to-clinical-and-forensic-cases
#1
Francesco Paolo Busardò, Chrystalla Kyriakou, Emilia Marchei, Roberta Pacifici, Daniel Sejer Pedersen, Simona Pichini
Gamma-hydroxybutyric acid (GHB) acts as a precursor and metabolite of the inhibitory central nervous system (CNS) neurotransmitter gamma-aminobutyric acid (GABA). Sodium salt of GHB has been used as a medication for narcolepsy and alcohol withdrawal. Moreover, GHB and its precursor gamma-butyrolactone (GBL), are illegal recreational drugs of abuse. A procedure based on ultra-high-performance liquid chromatography tandem mass spectrometry has been developed and validated in plasma, urine, cerebrospinal fluid and hair for acute and chronic exposure to GHB and in seized preparations coming from black market...
January 9, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28109653/an-examination-of-outlaw-motorcycle-gangs-and-their-involvement-in-the-illicit-drug-market-and-the-effectiveness-of-anti-association-legislative-responses
#2
Terry Goldsworthy, Laura McGillivray
BACKGROUND: In 2013 the Queensland Government introduced criminal association and mandatory sentencing laws for members of outlaw motorcycle gangs (OMCGs). Forms of "criminal association" or "anti-bikie" laws have been introduced in several Australian jurisdictions, and recent High Court decisions upholding their constitutionality will ensure that they remain part of our justice landscape. Generally, the aims of these laws are to declare a specific organisation as "criminal" and impose various legal orders and offences that thwart the consorting of members and address organised crime, such as unexplained wealth regimes...
January 18, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28107530/broad-scale-genetic-diversity-of-cannabis-for-forensic-applications
#3
Christophe Dufresnes, Catherine Jan, Friederike Bienert, Jérôme Goudet, Luca Fumagalli
Cannabis (hemp and marijuana) is an iconic yet controversial crop. On the one hand, it represents a growing market for pharmaceutical and agricultural sectors. On the other hand, plants synthesizing the psychoactive THC produce the most widespread illicit drug in the world. Yet, the difficulty to reliably distinguish between Cannabis varieties based on morphological or biochemical criteria impedes the development of promising industrial programs and hinders the fight against narcotrafficking. Genetics offers an appropriate alternative to characterize drug vs...
2017: PloS One
https://www.readbyqxmd.com/read/28104571/non-violent-threats-and-promises-among-closed-market-drug-dealers
#4
Timothy Dickinson
BACKGROUND: An unintended consequence of drug prohibitions is that they often fail to absolutely deter potential drug dealers and users and instead restrictively deter them. One way in which dealers sometimes alter their behaviour in response to these prohibitions is by using violent forms of social control to prevent their customers from committing careless behaviour or from becoming police informants. Many dealers, however, are reluctant to use violent forms of social control for various reasons...
January 16, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28101793/substance-use-disorders-among-patients-with-type-2-diabetes-a-dangerous-but-understudied-combination
#5
REVIEW
Kimberly N Walter, Julie A Wagner, Eda Cengiz, William V Tamborlane, Nancy M Petry
PURPOSE OF REVIEW: This paper reviews research on substance use and disorders (SUDs) among adults with diabetes. It describes epidemiological data on SUDs in persons with type 2 diabetes, overviews effects of substance use on diabetes outcomes, and discusses treatments for SUDs in patients with diabetes. RECENT FINDINGS: Rates of current smoking range from 10 to 26% and alcohol use disorders are 0-5%. Rates of illicit SUDs are 3-4%, but there are no population-based studies using nationally representative samples...
January 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28099335/micronodular-pattern-of-organizing-pneumonia-case-report-and-systematic-literature-review
#6
François Lebargy, Davy Picard, Jean Hagenburg, Olivier Toubas, Jeanne-Marie Perotin, Sebastian Sandu, Gaëtan Deslee, Sandra Dury
RATIONALE: Organizing pneumonia (OP) is a clinicopathological entity characterized by granulation tissue plugs in the lumen of small airways, alveolar ducts, and alveoli. OP can be cryptogenic (primary) (COP) or secondary to various lung injuries. PATIENT CONCERNS: We report the case of a 38-year-old male smoker with COP presenting in the form of diffuse micronodules on computed tomography (CT) scan and describe the clinical, radiological, and functional characteristics of micronodular pattern of organizing pneumonia (MNOP) based on a review of the literature including 14 cases...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28096302/postmortem-and-toxicological-findings-in-a-series-of-furanylfentanyl-related-deaths
#7
Davide Guerrieri, Emma Rapp, Markus Roman, Henrik Druid, Robert Kronstrand
Over the course of 4 months in 2015 and 2016, a cluster of seven fatal intoxications involving the opioid-analogue furanylfentanyl occurred in Sweden; toxicological analysis showed presence of furanylfentanyl either as the only drug or in combination with other illicit substances. Previous publications have only reported non-lethal furanylfentanyl intoxications. In the cases presented here, furanylfentanyl intoxication-alone or in combination with other drugs-was determined to be the cause of death by the responsible pathologist...
January 17, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28094824/structural-neuroimaging-in-polysubstance-users
#8
COMMENT
Dieter J Meyerhoff
The simultaneous and/or concurrent use of licit and illicit substances (polysubstance use, PSU) is most common today. Structural magnetic resonance imaging (MRI) has been applied extensively to study individuals ostensibly using a single substance. These studies have produced a picture of regional gray matter and white matter alterations with each substance or class of substances. Very few studies measured regional brain morphometry in today's polysubstance users. This limited data suggest morphometric alterations with PSU that are not simply additive but often different from those of monosubstance users...
February 2017: Current Opinion in Behavioral Sciences
https://www.readbyqxmd.com/read/28092286/childhood-traumatic-brain-injury-and-the-associations-with-risk-behavior-in-adolescence-and-young-adulthood-a-systematic-review
#9
Eleanor Kennedy, Miriam Cohen, Marcus Munafò
OBJECTIVE: To systematically review the evidence that childhood traumatic brain injury (TBI) is associated with risk behavior in adolescence and young adulthood. Risk behavior included one or more of the following: use of substances, including alcohol, tobacco, and illicit substances; involvement in criminal behavior; and behavioral issues with conduct. METHODS: A literature search was conducted using these terms: child, pediatric, traumatic brain injury, head injury, adolescent, psychosocial, antisocial, conduct, substance use...
January 13, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28092168/associations-between-at-risk-alcohol-use-substance-use-and-smoking-with-lipohypertrophy-and-lipoatrophy-among-patients-living-with-hiv
#10
Marisela Noorhasan, Daniel Drozd, Carl Grunfeld, Joe Merrill, Greer Burkholder, Michael J Mugavero, James H Willig, Amanda Willig, Karen L Cropsey, Kenneth Mayer, Aaron Blashill, Matthew Mimiaga, Mary E McCaul, Heidi Hutton, Geetanjali Chander, William C Matthews, Sonia Napravnik, Joseph J Eron, Katerina Christopoulos, Rob Fredericksen, Robin Nance, Joseph Chris Delaney, Paul Crane, Michael Saag, Mari M Kitahata, Heidi Crane
OBJECTIVE: To examine associations between lipohypertrophy and lipoatrophy and illicit drug use, smoking, and at-risk alcohol use among a large diverse cohort of persons living with HIV (PLWH) in clinical care. METHODS: 7,931 PLWH at 6 sites across the US completed 21,279 clinical assessments including lipohypertrophy and lipoatrophy, drug/alcohol use, physical activity level, and smoking. Lipohypertrophy and lipoatrophy were measured using the FRAM body morphology instrument and associations were assessed with generalized estimating equations...
January 16, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28090605/domain-adaptation-methods-for-improving-lab-to-field-generalization-of-cocaine-detection-using-wearable-ecg
#11
Annamalai Natarajan, Gustavo Angarita, Edward Gaiser, Robert Malison, Deepak Ganesan, Benjamin M Marlin
Mobile health research on illicit drug use detection typically involves a two-stage study design where data to learn detectors is first collected in lab-based trials, followed by a deployment to subjects in a free-living environment to assess detector performance. While recent work has demonstrated the feasibility of wearable sensors for illicit drug use detection in the lab setting, several key problems can limit lab-to-field generalization performance. For example, lab-based data collection often has low ecological validity, the ground-truth event labels collected in the lab may not be available at the same level of temporal granularity in the field, and there can be significant variability between subjects...
September 2016: Proceedings of the ACM International Conference on Ubiquitous Computing
https://www.readbyqxmd.com/read/28089207/delivery-dilemmas-how-drug-cryptomarket-users-identify-and-seek-to-reduce-their-risk-of-detection-by-law-enforcement
#12
Judith Aldridge, Rebecca Askew
BACKGROUND: Cryptomarkets represent an important drug market innovation by bringing buyers and sellers of illegal drugs together in a 'hidden' yet public online marketplace. We ask: How do cryptomarket drug sellers and buyers perceive the risks of detection and arrest, and attempt to limit them? METHODS: We analyse selected texts produced by vendors operating on the first major drug cryptomarket, Silk Road (N=600) alongside data extracted from the marketplace discussion forum that include buyer perspectives...
January 11, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28088044/dried-haematic-microsamples-and-lc-ms-ms-for-the-analysis-of-natural-and-synthetic-cannabinoids
#13
Michele Protti, James Rudge, Angelo Eliseo Sberna, Gilberto Gerra, Laura Mercolini
Synthetic cannabinoids are new psychoactive substances (NPS) with similar effects when compared to natural ones found in Cannabis derivatives. They have rapidly integrated into the illicit market, often sold as alternatives under international control. The need to identify and quantify an unprecedented and growing number of new compounds represents a unique challenge for toxicological, forensic and anti-doping analysis. Dried blood spots have been used within the bioanalytical framework in place of plasma or serum, in order to reduce invasiveness, lower sample size, simplify handling, storage and shipping of samples and to facilitate home-based and on-field applications...
December 30, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28087984/challenges-in-detecting-substances-for-equine-anti-doping
#14
REVIEW
A G Fragkaki, N Kioukia-Fougia, P Kiousi, M Kioussi, M Tsivou
The artificial increase of the physical capability of horses using drugs is well-known in racing and in other equine sports. Both illicit and therapeutic substances are regarded as prohibited substances in competition in most countries. Some countries do make distinctions for a few, specific drugs which are, however, allowed for use in other countries. The primary objective in the case of doping control is the detection of any trace of drug exposure, either parent drug or any of its metabolites, using the most powerful analytical methods which generally are based on chromatographic/mass spectrometric techniques...
January 14, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28086787/perceptions-of-a-drug-prevention-public-service-announcement-campaign-among-street-involved-youth-in-vancouver-canada-a-qualitative-study
#15
Lianlian Ti, Danya Fast, William Small, Thomas Kerr
BACKGROUND: Due to the popularity of public service announcements (PSAs), as well as the broader health and social harms associated with illicit drug use, this study sought to investigate how drug prevention messages found in the Government of Canada's DrugsNot4Me campaign were understood, experienced, and engaged with among a group of street-involved young people in Vancouver, Canada. METHODS: Qualitative interviews were conducted with 25 individuals enrolled in the At-Risk Youth Study, and a thematic analysis was conducted...
January 13, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/28081515/distinguishing-subpopulations-of-marijuana-users-with-latent-profile-analysis
#16
Matthew R Pearson, Adrian J Bravo, Bradley T Conner
BACKGROUND: Although marijuana is the most commonly used illicit drug in the United States, little is known about the effects of typical marijuana use patterns and whether there are distinct subgroups of marijuana users. METHODS: The present study used latent profile analysis to determine the number of distinct subgroups of marijuana users in a large sample of college students (n=2129 past month marijuana users across 11 universities). We also examined how these distinct groups differ on several putative risk/protective factors (e...
November 23, 2016: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28081482/following-lives-undergoing-change-flux-study-implementation-and-baseline-prevalence-of-drug-use-in-an-online-cohort-study-of-gay-and-bisexual-men-in-australia
#17
Mohamed A Hammoud, Fengyi Jin, Louisa Degenhardt, Toby Lea, Lisa Maher, Jeffrey Grierson, Brent Mackie, Marcus Pastorelli, Colin Batrouney, Nicky Bath, Jack Bradley, Garrett P Prestage
BACKGROUND: Drug use among gay and bisexual men (GBM) is higher than most populations. The use of crystal methamphetamine, erectile dysfunction medication (EDM), and amyl nitrite have been associated with sexual risk behaviour and HIV infection among gay and bisexual men (GBM). OBJECTIVE: This paper describes an online prospective observational study of licit and illicit drug use among GBM and explores baseline prevalence of drug use in this sample. Capturing these data poses challenges as participants are required to disclose potentially illegal behaviours in a geographically dispersed country...
January 9, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28079530/can-intoxication-status-be-used-as-a-prediction-tool-for-manner-of-death-a-comparison-of-the-intoxication-status-in-violent-suicides-and-homicides
#18
D Kimberley Molina, Veronica M Hargrove
Determining the manner of death in medicolegal death investigations can be difficult. The investigator relies on many facets of death investigation, including the circumstances of death and autopsy examination. A study was designed to analyze whether the intoxication status of the decedent could be used as another tool in death investigations. The intoxication status of violent (nonoverdose or poisoning) suicides and homicides was retrospectively reviewed and compared. A total of 625 deaths were identified, including 366 suicides and 259 homicides...
January 10, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28078788/violence-involvement-among-nightlife-patrons-the-relative-role-of-demographics-and-substance-use
#19
Trond Nordfjaern
The nightlife setting is a risk context for violence involvement that ultimately may cause severe injuries and fatalities. Few studies have examined associations between alcohol and illicit substance use with physical violence involvement among nightlife patrons. The aim of the current study was to investigate the relative role of demographics and substance use characteristics for nightlife violence involvement among Norwegian nightlife patrons. A cross-sectional self-completion survey was conducted outside 12 licensed premises in Oslo (n = 1099, response rate = 76%) and each respondent's BAC level was measured by a breathalyzer and registered on the questionnaire...
January 12, 2017: Aggressive Behavior
https://www.readbyqxmd.com/read/28077504/influence-of-history-of-cannabis-smoking-in-selected-donors-on-the-outcomes-of-lung-transplantation
#20
Prashant N Mohite, Mohamed Zeriouh, Diana G Sáez, Aron-Frederik Popov, Anton Sabashnikov, Bartlomiej Zych, Ashok Padukone, Levente Fazekas, Olga Ananiadou, Fabio De Robertis, Simona Soresi, Anna Reed, Martin Carby, André R Simon
OBJECTIVES: Cannabis is the most commonly abused illicit drug and the smokers are at the risk of lung infections, bullous emphysema and lung cancer. However, no evidence about the outcomes of lung transplantation (LTx) utilizing the lungs from such donors is available in the literature. METHODS: We retrospectively analysed lung 'organ offers' and LTx at our centre between January 2007 and November 2013. The outcomes of LTx utilizing lungs from donors with a history of cannabis smoking were compared with the outcomes of those with no such history using unadjusted model as well as propensity score matching...
January 2017: European Journal of Cardio-thoracic Surgery
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