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Clinical Presentations and Predictors of In-Hospital Mortality in Illicit Drug Users in the New Psychoactive Substances (NPS) Endemic Era in Taiwan.

ABSTRACT: Predictors of mortality in illicit drug users involving Novel Psychoactive Substances (NPS) and multiple substances have not been elucidated. We aimed to define predictors of mortality in the NPS endemic era's illicit drug users to strengthen patient care in emergency treatment. This was a retrospective study. LC-MS/MS-confirmed positive illicit drug users who visited the emergency departments (ED) of six medical systems were enrolled. Demographic information, physical examinations, and laboratory data were abstracted for mortality analysis. There were 16 fatalities in 355 enrolled patients. The most frequently used illicit drugs were amphetamines, followed by opioids, cathinones, and ketamine. The most frequently detected cathinones among the 16 synthetic cathinones were eutylone, followed by mephedrone. The combined use of cathinones and ketamine was most commonly observed in our results. Univariate analysis revealed that the mortality patients were older, with deep coma, faster heart rate and respiratory rate, lower blood pressures and O₂ room air saturation, more seizures, abnormal breath sounds, and had urine incontinence compared to the survivor patients. The mortality patients also had acute kidney injury, higher potassium, blood sugar, liver function test, and lactate level. The results of multiple logistic regression demonstrated that SBP < 90 mmHg, dyspnea, blood sugar > 140 mg/dl, and HCO₃ < 20.6 mmHg were independent predictors of in-hospital mortality. Regardless of the pattern of the use of illicit drugs, the predictors allow for risk stratification and determining the optimal treatment.

SUBMITTER: Yeh HT

PROVIDER: S-EPMC9317329 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Use of New Psychoactive Substances (NPS) has posed a global threat to public health and the security of the population. As of December 2019, the NPS items identified in total have outnumbered by three to one the controlled substances listed in the 1961 and 1971 UN Drug Conventions. However, most of these NPS have not been scheduled by the United Nations because of their easy modification on the chemical structures to shun control. Currently, the scheduling and control of NPS is mostly at the national level and a rational scheduling of NPS by objective assessments is essential but often lacking. To rationally schedule NPS, the NPS misuse situation was firstly estimated with the Taiwanese Substance Misuse Monitoring and Reporting Systems (SMMRS) from 2006 through 2019. Then, the assessment of drug-related harms with an expert Delphi procedure for drug scheduling was performed. The epidemiological analysis revealed that among 37 substances commonly misused in Taiwan, heroin posed the highest risk, followed by (meth)amphetamine and ketamine. Of note, misuse of NPS, such as ketamine, synthetic cannabinoids (JWHs, AM-2201, XJR-11), synthetic cathinones (MDPV, bk-MDMA, 4 -MMCetc.), phenethylamines (PMMA, FMA, 2C-B, 2C-E etc.), piperazines (BZP, TFMPP) and tryptamines (5-MeO-DIPT) has been on the rise. Though perceived drug-related harms differed among experts with different professional backgrounds, the differences were not significant. Four dimensions of drug-related harms- addiction, misuse, social harm and physical harm- integrated from Nutt's model and scheduling criteria of Taiwan's Statute for the Prevention and Control of Illicit Drugs (SPCID), were further divided into 11 indicators and applied to assess harms of the 37 substances. Among the 11 indicators that corresponded to the four dimensions, 7 had significant prediction capabilities. Additionally, prevalence of misuse nationally was an important predictor of harm assessment. These indicators of harm assessment of drug misuse can help develop a proper scheduling system for the management of controlled/illicit drugs. In conclusions, drug scheduling is the first step toward proper management of drug use problems. Facing the threats of NPS, it is imperative to implement a rational and effective scheduling system for appropriate management. This study provides a mechanism to scrutinize, and improve, the current evaluation process for NPS scheduling.

Project description:BackgroundThe misuse of illicit substances is associated with increased morbidity and mortality; thus, substance abuse is a global health concern. The Arabian Gulf region is considered a crossing point and a consumer of illicit drugs. However, a lack of laboratory-based research has limited the scientific assessment of drug misuse in the Arabian Gulf region. Thus, an up-to-date analytical representation of the drug situation is warranted.MethodsWe investigated the type and quantity of detained narcotic drugs and psychotropic substances from 2015 to 2018, representing a population of approximately 4 million people, in addition to the number of abusers and mortality among abusers. In total, 6220 cases from the Narcotic and Psychotropic Laboratory and 17,755 cases from the Forensic Toxicology Laboratory were reviewed and analyzed. Substances were identified and documented using gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry.ResultsCannabis, including marijuana, was the most seized substance, followed by heroin, opium, and cocaine. Amphetamines, including methamphetamine, in the form of powder or pills, were seized in larger quantities than other psychoactive substances. The most consumed substances were, in order, amphetamines (including methamphetamine), benzodiazepines, cannabis, and heroin. We identify the common drugs in postmortem specimens, according to sex, from suspected drug-related deaths. The most common single drug identified were heroin, benzodiazepines, and methamphetamine. Similarly, the multiple-drug cocktail of heroin-benzodiazepines, cannabis-benzodiazepines, and cannabis-amphetamines, were detected frequently.ConclusionsThe data shows that cannabis is the leading type of illicit substance seized. Deaths resulting from benzodiazepines and heroin abuse were the highest in the single drug category, while heroin-benzodiazepines combination deaths were the highest in the multiple-drug category. Methamphetamine was the most abused illicit drug in Kuwait. These findings revealed the illicit drug abuse situation in the State of Kuwait, in a region that suffers from the scarcity of information regarding illicit substances. Thus, providing valuable information for drug enforcement, forensic analyst, health workers on national and international levels.

Project description:BackgroundIn the past decade, hundreds of new psychoactive substances (NPS) have been introduced as unclassified alternatives to the illicit drugs. The NPS represent a growing health concern by causing adverse effects and deaths but are usually undetectable by conventional drug tests. This report summarizes results and experiences from analytically confirmed drug-related acute intoxications in emergency departments (ED) and intensive care units (ICU) enrolled in the Swedish STRIDA project on NPS in 2010-2016.Methods and findingsED/ICU intoxications suspected to involve NPS were enrolled in the project, after initial contact with the Poisons Information Centre (PIC). Serum/plasma and urine samples, and sometimes drug products, were subjected to a comprehensive toxicological investigation, and the PIC retrieved information on associated clinical symptoms and treatment. Between January 2010-February 2016, 2626 cases were enrolled. The patients were aged 8-71 (mean 27, median 24) years and 74% were men. Most biological samples (81%) tested positive for one, or more (70%), psychoactive drugs, including 159 NPS, other novel or uncommon substances, classical recreational and illicit drugs, and prescription medications. When first detected, most NPS or other novel substances (75%) were not banned in Sweden, but they usually disappeared upon classification, which however often took a year or longer. Some NPS were found to be especially harmful and even fatal.ConclusionsThe STRIDA project provided a good overview of the current drug situation in Sweden and demonstrated a widespread use and rapid turnover of many different psychoactive substances. The accomplishment of the project can be attributed to several key factors (close collaboration between the PIC and laboratory to identify suspected poisonings, free analysis, continuous updating of analytical methods, evaluation of adverse effects, and sharing information) that are useful for future activities addressing the NPS problem. The results also illustrated how drug regulations can drive the NPS market.

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Clinical Presentations and Predictors of In-Hospital Mortality in Illicit Drug Users in the New Psychoactive Substances (NPS) Endemic Era in Taiwan.

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