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Alejo AL, Rascoe AS, Kim CY, Ren BO, Hoffa MT, Heimke IM, Vallier HA. Factors associated with a prolonged time to return to safe driving following lower extremity injuries. Ann Phys Rehabil Med 2024; 67:101850. [PMID: 38824871 DOI: 10.1016/j.rehab.2024.101850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 02/26/2024] [Accepted: 03/04/2024] [Indexed: 06/04/2024]
Affiliation(s)
- Andrew L Alejo
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Alexander S Rascoe
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Chang-Yeon Kim
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Bryan O Ren
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Matthew T Hoffa
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Isabella M Heimke
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA
| | - Heather A Vallier
- Department of Orthopaedic Surgery, Case Western Reserve Univeristy, Cleveland, OH, USA.
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Aitken B, Hayley AC, Ford TC, Geier L, Shiferaw BA, Downey LA. Driving impairment and altered ocular activity under the effects of alprazolam and alcohol: A randomized, double-blind, placebo-controlled study. Drug Alcohol Depend 2023; 251:110919. [PMID: 37611483 DOI: 10.1016/j.drugalcdep.2023.110919] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 07/03/2023] [Accepted: 08/03/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND Alprazolam, also known by trade-name Xanax, is regularly detected along with alcohol in blood samples of drivers injured or killed in traffic collisions. While their co-consumption is principally legal, policy guidelines concerning fitness-to-drive are lacking and methods to index impairment are underdeveloped. METHODS In this randomized, double-blind, placebo-controlled, crossover trial, we examined whether legally permissible levels of alcohol [target 0.04% blood alcohol concentration (BAC)], alprazolam (1mg), and their combination impacts driving performance, and whether driving impairment can be indexed by ocular activity. Participants completed a test battery consisting of a 40-minute simulated highway drive with ocular parameters assessed simultaneously, the Karolinska Sleepiness Scale, and a confidence to drive assessment following four separate treatment combinations. The predictive efficacy of ocular parameters to identify alcohol and alprazolam-related driving impairment was also examined. RESULTS Among 21 healthy, fully licensed drivers (37% female, mean age 28.43, SD ± 3.96), driving performance was significantly impacted by alprazolam, alcohol, and their combination. Linear regression models revealed that the odds of an out-of-lane event occurring increased five-fold under the influence alprazolam alone and when combined with alcohol. An increase in gaze transition entropy (GTE) demonstrated the strongest association with the odds of an out-of-lane event occurring in the same minute, with both microsleeps and fixation rate achieving moderate accuracy across treatments. CONCLUSIONS Alprazolam and alcohol, alone and in combination, impaired select aspects of vehicle control over time. GTE, microsleeps, and fixation rate show potential as real-time indicators of driving impairment and crash risk associated with alcohol and alprazolam consumption.
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Affiliation(s)
- Blair Aitken
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia
| | - Amie C Hayley
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia; Institute for Breathing and Sleep (IBAS), Austin Hospital, Heidelberg, Victoria, Australia
| | - Talitha C Ford
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia; Cognitive Neuroscience Unit, Deakin University, Geelong, Victoria, Australia
| | - Lauren Geier
- Forensic Science South Australia, Adelaide, Australia
| | - Brook A Shiferaw
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia; Institute for Breathing and Sleep (IBAS), Austin Hospital, Heidelberg, Victoria, Australia; Seeing Machines, Fyshwick, Australian Capital Territory (ACT), Australia
| | - Luke A Downey
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, Victoria, Australia; Institute for Breathing and Sleep (IBAS), Austin Hospital, Heidelberg, Victoria, Australia.
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Quinn PD, Chang Z, Pujol TA, Bair MJ, Gibbons RD, Kroenke K, D’Onofrio BM. Association between prescribed opioid dose and risk of motor vehicle crashes. Pain 2023; 164:e228-e236. [PMID: 36155384 PMCID: PMC11104685 DOI: 10.1097/j.pain.0000000000002790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 09/12/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT Opioid-involved motor vehicle traffic fatalities have increased over the past 2 decades. However, the extent to which prescribed opioids increase the risk of motor vehicle crashes remains uncertain. This study used real-world healthcare claims data to examine the association between prescription opioid dose and motor vehicle crash risk. Using nationwide US commercial insurance claims data for 2010 to 2018, we identified 772,404 adults who received incident, noncancer opioid therapy. We examined associations between daily prescription opioid dose, calculated in morphine milligram equivalents (MME) from filled prescription claims, and risk of motor vehicle crashes, assessed as diagnoses of motor vehicle injuries in claims for emergency visits, inpatient hospitalizations, and ambulance transportation. We estimated associations using a within-individual design, which ruled out all time-stable confounding. We complemented the design with time-varying statistical adjustment for other pharmacotherapies and a negative control pain pharmacotherapy analysis (with incident cyclic antidepressant prescriptions). During 2,150,009 person-years of follow-up, there were 12,123 motor vehicle crashes (5.64 crashes per 1000 person-years). In within-individual comparisons, crash risk was greater during opioid prescription periods involving doses ≤60 MME/day (odds ratio [OR], 3.86; 95% confidence interval [CI], 3.54, 4.21), >60 to 120 MME/day (OR, 5.46; 95% CI, 4.44, 6.73), and >120 MME/day (OR, 3.45; 95% CI, 2.31, 5.15) than during off-treatment periods. The negative control analysis supported the specificity of the results to opioids rather than to other processes associated with pharmacologic pain management. These findings suggest that the receipt of prescription opioids, even at doses ≤60 MME/day, is associated with an increased risk of motor vehicle crashes.
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Affiliation(s)
- Patrick D. Quinn
- Department of Applied Health Science, School of Public Health, Indiana University, Bloomington, Indiana
| | - Zheng Chang
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | | | - Matthew J. Bair
- VA HSR&D Center for Health Information and Communication, Roudebush VA Medical Center, Indianapolis, Indiana
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana
- Regenstrief Institute, Indianapolis, Indiana
| | - Robert D. Gibbons
- Center for Health Statistics, University of Chicago, Chicago, Illinois
- Department of Medicine, University of Chicago, Chicago, Illinois
- Department of Public Health Sciences, University of Chicago, Chicago, Illinois
| | - Kurt Kroenke
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana
- Regenstrief Institute, Indianapolis, Indiana
| | - Brian M. D’Onofrio
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana
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Cheng JYK, Hui JWS, Chan WS, So MH, Hong YH, Leung WT, Ku KW, Yeung HS, Lo KM, Fung KM, Ip CY, Dao KL, Cheung BKK. Interpol review of toxicology 2019-2022. Forensic Sci Int Synerg 2022; 6:100303. [PMID: 36597440 PMCID: PMC9799715 DOI: 10.1016/j.fsisyn.2022.100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Bobbie Kwok-keung Cheung
- Corresponding author. Government Laboratory, 7/F, Homantin Government Offices, 88 Chung Hau Street, Ho Man Tin, Kowloon, SAR, Hong Kong, China. http://www.govtlab.gov.hk/
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Oxycodone Alleviates Endometrial Injury via the TLR4/NF- κB Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6153279. [PMID: 35310024 PMCID: PMC8933090 DOI: 10.1155/2022/6153279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 11/17/2022]
Abstract
Endometrial injury is a common female disease. This study was designed to illustrate the effects of oxycodone on mifepristone-induced human endometrial stromal cells (hEndoSCs) injury and delineate the underlying molecular mechanism. hEndoSCs were stimulated with mifepristone to generate the endometrial injury in vitro model. hEndoSCs viability, cytotoxicity, and apoptosis were measured by methyl thiazolyl tetrazolium (MTT) assay, lactate dehydrogenase assay (LDH), and flow cytometry (FCM) analysis, respectively. Meanwhile, quantitative reverse transcription polymerase chain reaction (RT-qPCR) and Western blot assay were conducted to evaluate gene and protein expressions. The secretions of inflammatory cytokines (TNF-α, IL-1β, and IL-6) were measured using enzyme-linked immunosorbent assay (ELISA). The data revealed that mifepristone exposure memorably inhibited hEndoSCs viability and promoted cell apoptosis and inflammatory cytokines secretion, and oxycodone had no cytotoxicity on hEndoSCs. Oxycodone increased hEndoSCs growth, blocked cell apoptosis, enhanced Bcl-2 expression, reduced Bax levels, and decreased the secretion of inflammatory cytokines in mifepristone-induced hEndoSCs, exhibiting the protective effects in endometrial injury. In addition, the TLR4/NF-κB pathway-related protein levels (TLR4 and p-p65) in mifepristone-treated hEndoSCs were enhanced, while these enhancements were inhibited by oxycodone treatment. In conclusion, oxycodone exhibited the protective role in mifepristone-triggered endometrial injury via inhibiting the TLR4/NF-κB signal pathway.
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