keyword
MENU ▼
Read by QxMD icon Read
search

Urine toxicology

keyword
https://www.readbyqxmd.com/read/28421838/self-reported-cocaine-use-is-not-associated-with-elevations-in-high-sensitivity-troponin-i
#1
Candice D Jordan, Frederick K Korley, Andrew I Stolbach
OBJECTIVE: High-sensitivity troponin (hsTn) assays detect 10 times lower concentrations of cardiac troponin than conventional assays. We examined the effects of self-reported cocaine use to determine whether those with acute cocaine use being evaluated for ACS are more likely to have elevated hsTnI than those nonusers being evaluated for ACS. METHODS: We conducted a sub-analysis of a prospective cohort of ED patients evaluated for acute coronary syndrome. Recent cocaine use was determined by structured patient interviews...
June 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28417026/cardiovascular-complications-of-acute-amphetamine-abuse-cross-sectional-study
#2
Elham Bazmi, Farinaz Mousavi, Leila Giahchin, Tahmineh Mokhtari, Behnam Behnoush
OBJECTIVES: This study aimed to evaluate cardiovascular complications among patients who abuse amphetamines. METHODS: This cross-sectional study took place between April 2014 and April 2015 among 3,870 patients referred to the Toxicology Emergency Department of Baharlou Hospital, Tehran University of Medical Sciences, Tehran, Iran. Those with clinical signs of drug abuse and positive urine screening tests were included in the study, while cases of chronic abuse were excluded...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28414666/just-a-puff-of-smoke
#3
A Leonard
CASE: A 44 year old woman with a history of stroke s/p aneurysm clipping, seizure, and substance abuse was brought to the hospital after a family member received a call from her friend saying she was acting unusual and may have had a seizure while hanging out on the street. At her baseline, she needed modest assistance in daily activities after her CVA and conversed without issue. Her mother died of a stroke. On exam the patient was afebrile, normotensive with mild tachycardia to 110...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28412576/the-occurrence-of-alcohol-drugs-by-toxicological-examination-of-selected-drivers-in-hong-kong
#4
Wing-Chi Cheng, Kwok-Leung Dao
The study is to investigate the extent of alcohol/drug(s) use among selected drivers, i.e. fatally injured drivers from traffic accidents (2006-2015), drink driving (2006-2015) and drug driving (2010-2015) cases, in Hong Kong. Between 2006 and 2015, specimens from a total of 223 fatally injured drivers were received for toxicological examination. Except for one driver, all other drivers with positive findings were male. Alcohol and/or drugs were detected in 60 (27%) cases where alcohol alone was detected in 40 cases (18%) while drugs with/without alcohol were detected in 20 cases (9%)...
April 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28403803/metabolic-profile-of-flunitrazepam-clinical-and-forensic-toxicological-aspects
#5
Ricardo Jorge Dinis-Oliveira
BACKGROUND: Flunitrazepam is a potent hypnotic, sedative, and amnestic drug used to treat insomnia and as a pre-anesthetic agent. The illicit practice in drug-facilitated sexual assault has been implicating important clinical and forensic issues. OBJECTIVE: In this work the metabolism of flunitrazepam was fully reviewed. METHODS: Flunitrazepam and related known metabolizing enzymes and metabolites were searched in books and in PubMed (U.S...
April 7, 2017: Drug Metabolism Letters
https://www.readbyqxmd.com/read/28393558/supraventricular-tachycardia-and-acute-confusion-following-ingestion-of-e-cigarette-fluid-containing-ab-fubinaca-and-adb-fubinaca-a-case-report-with-quantitative-analysis-of-serum-drug-concentrations
#6
Rex Pui Kin Lam, Magdalene Huen Yin Tang, Siu Chung Leung, Yeow Kuan Chong, Matthew Sik Hon Tsui, Tony Wing Lai Mak
BACKGROUND: AB-FUBINACA and ADB-FUBINACA are structurally similar synthetic cannabinoids with potent CB1 receptor agonistic effects. Very little is known about their pharmacology and toxicology. OBJECTIVE: To report a case of supraventricular tachycardia and acute confusion after ingestion of e-cigarette fluid containing AB-FUBINACA and ADB-FUBINACA, with quantitative analysis of the serum drug concentrations. CASE REPORT: A healthy 24-year-old man ingested two drops of e-cigarette fluid which were later found to contain AB-FUBINACA and ADB-FUBINACA...
April 10, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28379393/profiting-from-probability-combining-low-and-high-probability-isotopes-as-a-tool-extending-the-dynamic-range-of-an-assay-measuring-amphetamine-and-methamphetamine-in-urine
#7
Anna M Miller, Melissa M Goggin, An Nguyen, Stephanie D Gozum, Gregory C Janis
A wide range of concentrations are frequently observed when measuring drugs of abuse in urine toxicology samples; this is especially true for amphetamine and methamphetamine. Routine liquid chromatography-tandem mass spectrometry confirmatory methods commonly anchored at a 50 ng/mL lower limit of quantitation can span approximately a 100-fold concentration range before regions of non-linearity are reached deteriorating accurate quantitation and qualitative assessments. In our experience, approximately a quarter of amphetamine and methamphetamine positive samples are above a 5,000 ng/mL upper limit of quantitation and thus require reanalysis with dilution for accurate quantitative and acceptable qualitative results...
April 4, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28371689/effectiveness-and-cost-effectiveness-of-unsupervised-buprenorphine-naloxone-for-the-treatment-of-heroin-dependence-in-a-randomized-waitlist-controlled-trial
#8
Adrian J Dunlop, Amanda L Brown, Christopher Oldmeadow, Anthony Harris, Anthony Gill, Craig Sadler, Karen Ribbons, John Attia, Daniel Barker, Peter Ghijben, Jennifer Hinman, Melissa Jackson, James Bell, Nicholas Lintzeris
BACKGROUND: Access to opioid agonist treatment can be associated with extensive waiting periods with significant health and financial burdens. This study aimed to determine whether patients with heroin dependence dispensed buprenorphine-naloxone weekly have greater reductions in heroin use and related adverse health effects 12-weeks after commencing treatment, compared to waitlist controls and to examine the cost-effectiveness of this strategy. METHODS: An open-label waitlist RCT was conducted in an opioid treatment clinic in Newcastle, Australia...
March 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28369517/identification-of-unique-metabolites-of-the-designer-opioid-furanyl-fentanyl
#9
Melissa M Goggin, An Nguyen, Gregory C Janis
The illicit drug market has seen an increase in designer opioids, including fentanyl and methadone analogs, and other structurally unrelated opioid agonists. The designer opioid, furanyl fentanyl, is one of many fentanyl analogs clandestinely synthesized for recreational use and contributing to the fentanyl and opioid crisis. A method has been developed and validated for the analysis of furanyl fentanyl and furanyl norfentanyl in urine specimens from pain management programs. Approximately 10% of samples from a set of 500 presumptive heroin-positive urine specimens were found to contain furanyl fentanyl, with an average concentration of 33...
March 17, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28339737/a-novel-chronic-opioid-monitoring-tool-to-assess-prescription-drug-steady-state-levels-in-oral-fluid
#10
Naum Shaparin, Neel Mehta, Frank Kunkel, Richard Stripp, Damon Borg, Elizabeth Kolb
Objective. : Interpretation limitations of urine drug testing and the invasiveness of blood toxicology have motivated the desire for the development of simpler methods to assess biologically active drug levels on an individualized patient basis. Oral fluid is a matrix well-suited for the challenge because collections are based on simple noninvasive procedures and drug concentrations better correlate to blood drug levels as oral fluid is a filtrate of the blood. Well-established pharmacokinetic models were utilized to generate oral fluid steady state concentration ranges to assess the interpretive value of the alternative matrix to monitor steady state plasma oxycodone levels...
February 23, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28338527/a-slight-smell-of-lemon%C3%A2-a-case-report
#11
Catherine Feliu, Yoann Cazaubon, Aurélie Fouley, Hélène Guillemin, Claire Gozalo, Zoubir Djerada
We present here an example of urine substituted with a yellow cleaning product that leads us to develop the main risks to consider in urine toxicology analysis, i.e., adulteration and analytical interferences, and how to deal with them. This grand round highlights the importance of the dialogue between the clinician and a TDM consultant for optimal care of the patient.
March 23, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28325786/impact-on-hospital-resources-of-systematic-evaluation-and-management-of-suspected-nonaccidental-trauma-in-patients-less-than-4-years-of-age
#12
Bethann M Pflugeisen, Mauricio A Escobar, Dustin Haferbecker, Yolanda Duralde, Elizabeth Pohlson
OBJECTIVE: There has been an increasing movement worldwide to create systematic screening and management procedures for atypical injury patterns in children with the hope of better detecting and evaluating nonaccidental trauma (NAT). A legitimate concern for any hospital considering implementation of a systematic evaluation process is the impact on already burdened hospital resources. We hypothesized that implementation of a guideline that uses red flags related to history, physical, or radiologic findings to trigger a standardized NAT evaluation of patients <4 years would not negatively affect resource utilization at our level II pediatric trauma center...
March 21, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28296258/identification-and-characterization-of-novel-long-term-metabolites-of-oxymesterone-and-mesterolone-in-human-urine-by-application-of-srm-gc-ci-ms-ms
#13
Michael Polet, Wim Van Gansbeke, Lore Geldof, Koen Deventer, Peter Van Eenoo
The search for metabolites with longer detection times remains an important task in for example toxicology and doping control. The impact of these long term metabolites is highlighted by the high number of positive cases after reanalysis of samples that were stored for several years, e.g. samples of previous Olympic Games. A substantial number of previously alleged negative samples have now been declared positive due to the detection of various long term steroid metabolites of which the existence was unknown during the Olympic Games of 2008 and 2012...
March 11, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28295913/identification-and-characterization-of-fluvastatin-metabolites-in-rats-by-uhplc-q-tof-ms-ms-and-in-silico-toxicological-screening-of-the-metabolites
#14
Balasaheb B Chavan, Pradipbhai D Kalariya, Rakesh D Nimbalkar, Prabha Garg, R Srinivas, M V N Kumar Talluri
The present study reports the in vivo and in vitro identification and characterization of metabolites of fluvastatin (FLU), the HMG CoA reductase inhibitor, using liquid chromatography-mass spectrometry (LC-MS). In vitro studies were conducted by incubating the drug with human liver microsomes (HLM) and rat liver microsomes (RLM). In vivo studies were carried out by administration of the drug in the form of suspension to the Sprague-Dawley (SD) rats followed by collection of urine, faeces and blood at different time points upto 24 h...
March 11, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28290200/quantification-of-methylenecyclopropyl-compounds-and-acyl-conjugates-by-uplc-ms-ms-in-the-study-of-the-biochemical-effects-of-the-ingestion-of-canned-ackee-blighia-sapida-and-lychee-litchi-chinensis
#15
Johannes Sander, Michael Terhardt, Stefanie Sander, Nils Janzen
Consumption of ackee (Blighia sapida) and lychee (Litchi chinensis) fruit has led to severe poisoning. Considering their expanded agricultural production, toxicological evaluation has become important. Therefore, the biochemical effects of eating 1 g/kg canned ackee, containing 99.2 μmol/kg hypoglycin A, and 5 g/kg canned lychee, containing 1.3 μmol/kg hypoglycin A, were quantified in a self-experiment. Using ultra-high-performance liquid chromatography/mass spectrometry, hypoglycin A, methylenecyclopropylacetyl-glycine, and methylenecyclopropylformyl-glycine, as well as the respective carnitine conjugates, were found in urine after ingesting ackee...
March 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28279691/-use-of-urine-drug-screening-in-the-emergency-department-of-a-paediatric-hospital
#16
Núria Ferrer Bosch, Lidia Martínez Sánchez, Victoria Trenchs Sainz de la Maza, Jesús Velasco Rodríguez, Elsa García González, Carles Luaces Cubells
OBJECTIVE: To describe the situations in which urine drug screening is used in a Paediatric Emergency Department (ED). An analysis is also made on its potential usefulness on whether it changes the patient management, and if the results are confirmed by using specific techniques. METHODOLOGY: A retrospective study was conducted on patients under the age of 18 attended in the ED during 2014 and in whom urine drug screening was requested. Depending on the potential capacity of the screening result to change patient management, two groups were defined (potentially useful and not potentially useful)...
March 6, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28264758/merging-outpatient-addiction-and-opioid-maintenance-programs-during-a-disaster-lessons-from-hurricane-sandy
#17
Vishal K Gupta, Helena Hansen, Sonia Mendoza, Xinlin Linda Chen, Ronnie G Swift
OBJECTIVE: After Hurricane Sandy flooded Bellevue Hospital in New York City, its opiate maintenance patients were displaced and Bellevue's outpatient program was temporarily merged with the program at Metropolitan Hospital for continuation of care. The merger forced Metropolitan to accommodate a program twice as large as its own and required special staff coordination and adjustments in clinical care. METHODS: Physicians, clinicians, and administrators from both institutions participated in interviews regarding the merger...
March 7, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28262132/ischemic-stroke-associated-with-the-use-of-a-synthetic-cannabinoid-spice
#18
Sebastian Moeller, Caroline Lücke, Tobias Struffert, Bernhard Schwarze, Stefan T Gerner, Stefan Schwab, Martin Köhrmann, Kristin Machold, Alexandra Philipsen, Helge H Müller
Synthetic cannabinoids, i.e. "spice", are psychoactive drugs with increasing use worldwide. Spice may have harmful neuropsychiatric and physical side effects. Here, we present the case of a 25-year-old man with ischemic stroke after smoking spice on the previous evening. Diagnostic work-up was negative for other common causes of stroke. Toxicology screen unveiled the cannabimimetic ADB-FUBINACA in the drug sample and in patient's urine. The cardiac sympathomimetic effect of spice might have triggered an unnoticed episode of tachyarrhythmia and resulted in stroke via cardioembolic etiology...
February 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28261791/drug-recognition-evaluation-and-chemical-confirmation-of-a-25c-nbome-impaired-driver
#19
James W Rajotte, Jean-Paul F P Palmentier, Helena Rachelle Wallage
This case report details an individual arrested for drug-impaired driving after leaving the scene of multiple motor vehicle collisions and evading police. The driver was examined by a drug recognition expert and failed the drug recognition evaluation. The driver admitted to using cocaine, marijuana, an antidepressant medication and "N-bomb," a novel psychoactive substance that possesses hallucinogenic properties. Toxicological analyses at the Centre of Forensic Sciences' Toronto laboratory revealed only the substance 2-[4-chloro-2,5-dimethoxyphenyl]-N-[(2-methoxyphenyl)methyl]ethanamine (25C-NBOMe) in the accused's urine...
March 6, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28256646/magnetic-nanoparticles-for-drug-targeting-from-design-to-insights-into-systemic-toxicity-preclinical-evaluation-of-hematological-vascular-and-neurobehavioral-toxicology
#20
Mariela A Agotegaray, Adrián E Campelo, Roberto D Zysler, Fernanda Gumilar, Cristina Bras, Ariel Gandini, Alejandra Minetti, Virginia L Massheimer, Verónica L Lassalle
A simple two-step drug encapsulation method was developed to obtain biocompatible magnetic nanocarriers for the potential targeted treatment of diverse diseases. The nanodevice consists of a magnetite core coated with chitosan (Chit@MNPs) as a platform for diclofenac (Dic) loading as a model drug (Dic-Chit@MNPs). Mechanistic and experimental conditions related to drug incorporation and quantification are further addressed. This multi-disciplinary study aims to elucidate the toxicological impact of the MNPs at hematological, vascular, neurological and behavioral levels...
March 3, 2017: Biomaterials Science
keyword
keyword
4264
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"