Mortality, morbidity and follow-up after acute poisoning by substances of abuse: A prospective observational cohort study

Social support networks of incarcerated women with opioid use disorder: Differences associated with jail-based substance use treatment

INTRODUCTION

Social support is a critical factor for women's engagement with substance use treatment and recovery, particularly for women with criminal-legal system involvement. However, less is known about the social support networks of incarcerated women, particularly as a function of service engagement. Thus, this paper aims to describe the structure, composition, and function of social support networks of women with opioid use disorder (OUD) incarcerated in jails; and compare network differences between women receiving jail-based substance use treatment and non-treatment participants.

METHODS

As part of a larger clinical trial under the NIDA-funded Justice Community Opioid Innovation Network (JCOIN), staff conducted an egocentric social network inventory with women who were randomly selected from eight jails in Kentucky, screened for OUD, and consented (N = 445). Women were asked to name people (alters) who provided them with support in the past 90 days and respond to questions about alters who were named. Bivariate comparisons examined differences in social networks among women who were currently receiving jail-based treatment (29.9 %, n = 133) and those who were incarcerated, but not receiving treatment (70.1 %, n = 312).

RESULTS

On average, women's social support networks consisted of 2.4 alters (range 1-9). Compared to women with OUD who were not receiving treatment, those in treatment were significantly more likely to name at least one alter who was in recovery (57.9 % vs. 43.9 %, p = .007) and less likely to name a partner (21.8 % vs. 37.8 %, p = .001) or someone who had recently used opioids (9.8 % vs. 24.7 %, p < .001). On average, women in treatment also felt significantly closer to their alters (4.70 vs. 4.55 out of 5, p = .021) and rated alters as fulfilling more types of social support functions (5.54 vs. 5.18 out of 6, p < .001) and recovery support functions (2.83 vs. 2.70 out of 3, p = .016).

CONCLUSION

Results suggest that women participating in jail-based substance use treatment reported more positive social support network attributes, including network function and composition. Future research should assess longitudinal changes in networks and associated differences in recovery outcomes as women are released to the community.

Heightened mortality risk after a non-fatal opioid overdose: Risk factors for mortality in the week following emergency treatment

AIMS

To measure all-cause mortality risk after an ambulance-attended non-fatal opioid overdose and associations with number of days following attendance, and individual and clinical characteristics.

DESIGN

A prospective observational study.

SETTING

Oslo, Norway.

PARTICIPANTS

Patients treated with naloxone for opioid overdose by Oslo Emergency Services between 1 June 2014 and 31 December 2018.

MEASUREMENTS

Medical records were linked to the national Cause of Death Registry (1 June 2014-31 December 2019). Crude mortality rates (CMR) and incidence risk ratios (IRR) with 95% confidence intervals (CI) were estimated for the time periods (0-7 days, 8-31 days, 32-91 days, 92-183 days, >183 days) using multivariate Poisson regression analysis. IRR were estimated for sex, age, Glasgow Coma Scale (GCS), respiration rate, place of attendance and non-transportation following treatment. Robust variance estimates applied due to multiple risk periods. Standardized Mortality Rates (SMR) were estimated.

FINDINGS

Overall, 890 patients treated for 1764 overdoses contributed to a total time at risk of 3142 person-years (PY). Median number of attendances was 1 (range 1-27). The majority were male (75.5%) and the mean age was 37.7 years. In total, 112 (12.6%) died; 5.2% within 183 days and 2.2% between 184 and 365 days. Acute poisoning was the most common single cause of death (52.7%). The CMR was 3.6 (95% CI = 3.0-4.2) per 100-PY. The women had a SMR of 32 (95% CI = 15.8-57.9) and the men 24.9 (95% CI = 17.7-34.2). The CMR (22.2, 95% CI = 10.6-46.8) was particularly high in the first 7 days, and significantly higher than in the following periods. However, this finding was only valid for those with severe overdose symptoms (GCS score = 3/15 and/or respiratory rate ≤6/min). Except for increasing age, no other indicators were associated with the mortality risk.

CONCLUSION

Patients treated by Oslo Emergency Services between June 2014 and December 2018 for a non-fatal opioid overdose with severe overdose symptoms at attendance had an overall high mortality risk compared with the general population, but particularly during the first 7 days after attendance.

A four-way patient search method for the retrospective identification of poisoning patients

When studying emergency department (ED) visits, electronic health record systems of hospitals provide a good basis for retrospective studies. However, many intoxication patients presenting to the ED, may not be identified retrospectively if only a single search method is applied. In this study, a new four-way combined patient search method was used to retrospectively identify intoxication patients presenting to the ED. The search included reason for admission to the ED, laboratory results related to intoxication diagnostics, ICD-10 codes, and a novel free word search (FWS) of patient records. After the automated search, the researcher read the medical records of potential substance abuse patients to form comprehensive profiles and remove irrelevant cases. The addition of a free word search identified 36% more substance abuse patients than the combination of the other three methods mentioned above. Patients identified by the FWS search alone were generally admitted to the ED for trauma or mental health problems and were often found to be heavily under the influence of alcohol and/or drugs. The main intoxicants were ethanol and benzodiazepines. The free word search was highly complementary to traditional patient search methods, highlighting the importance of the combined patient search method in retrospective data collection.

Blockade of the Dopamine D3 Receptor Attenuates Opioids-Induced Addictive Behaviours Associated with Inhibiting the Mesolimbic Dopamine System

Opioid use disorder (OUD) has become a considerable global public health challenge; however, potential medications for the management of OUD that are effective, safe, and nonaddictive are not available. Accumulating preclinical evidence indicates that antagonists of the dopamine D3 receptor (D3R) have effects on addiction in different animal models. We have previously reported that YQA14, a D3R antagonist, exhibits very high affinity and selectivity for D3Rs over D2Rs, and is able to inhibit cocaine- or methamphetamine-induced reinforcement and reinstatement in self-administration tests. In the present study, our results illustrated that YQA14 dose-dependently reduced infusions under the fixed-ratio 2 procedure and lowered the breakpoint under the progressive-ratio procedure in heroin self-administered rats, also attenuated heroin-induced reinstatement of drug-seeking behavior. On the other hand, YQA14 not only reduced morphine-induced expression of conditioned place preference but also facilitated the extinguishing process in mice. Moreover, we elucidated that YQA14 attenuated opioid-induced reward or reinforcement mainly by inhibiting morphine-induced up-regulation of dopaminergic neuron activity in the ventral tegmental area and decreasing dopamine release in the nucleus accumbens with a fiber photometry recording system. These findings suggest that D3R might play a very important role in opioid addiction, and YQA14 may have pharmacotherapeutic potential in attenuating opioid-induced addictive behaviors dependent on the dopamine system.

Association between intoxication with psychoactive substances and adverse effects occurrence in consumers

Background

The prevalence of psychoactive substance use is increasing worldwide and identifying adverse effects of these types of drugs is necessary in intoxicated patients.

Objective

We aimed to investigate the association of psychoactive substance intoxication with their adverse effects on the functioning of the bodily organs.

Methods

This was a single-center study between March 2019 and April 2022 on intoxicated patients with psychoactive substances. Inclusion criteria were intoxication with alcohol, opioids, and stimulants, and having available results of laboratory biomarkers. Demographic and clinical data of patients at the time of admission as well as during hospitalization were reviewed, retrospectively. Data were analyzed using a generalized linear mixed model in R software and the Adjusted Odds Ratio (AOR) was estimated.

Results

A total of 800 hospitalized patients in the ICU (n = 400) and general ward (n = 400) were divided into two groups of intoxicated with alcohol (n = 200) and opioids or stimulants (n = 200). Liver (AOR = 0.15, p = 0.033; AOR = 0.13, p = 0.007) and kidney (AOR = 0.46, p = 0.004; AOR = 0.24, p = 0.021) dysfunction occurred less in the ICU and general ward, respectively, in opioids or stimulants intoxication compared to alcohol. Cardiovascular dysfunctions occurred more in opioids or stimulants intoxication compared to alcohol in both ICU (AOR = 10.32, p < 0.0001) and general ward (AOR = 4.74, p < 0.0001).

Conclusion

Kidney dysfunctions had a greater effect on mortality compared to other dysfunctions. During the follow-up, the incidence of dysfunctions increased in those intoxicated with opioids or stimulants. Men experienced more liver and kidney dysfunctions as well as mortality, but psychoactive substance experience was a protective factor in cardiovascular dysfunctions and mortality.

Time Series Modeling and Forecasting of Drug-Related Deaths in Iran (2014-2016)

Background

Investigating the temporal variations and forecasting the trends in drug-related deaths can help prevent health problems and develop intervention programs. The recent policy in Iran is strongly focused on deterring drug use and replacing illicit drugs with legal ones. This study aimed to investigate drug-related deaths in Iran in 2014-2016 and forecast the death toll by 2019.

Methods

In this longitudinal study, Box-Jenkins time series analysis was used to forecast drug-related deaths. To this end, monthly counts of drug-related deaths were obtained from March 2014 to March 2017. After data processing, to obtain stationary time series and examine the stability assumption with the Dickey-Fuller test, the parameters of the Autoregressive Integrated Moving Averages (ARIMA) model were determined using autocorrelation function (ACF) and partial autocorrelation function (PACF) graphs. Based on Akaike statistics, ARIMA (0, 1, 1) was selected as the best-fit model. Moreover, the Dickey-Fuller test was used to confirm the stationarity of the time series of transformed observations. The forecasts were made for the next 36 months using the ARIMA (0,1,2) model and the same confidence intervals were applied to all months. The final extracted data were analyzed using R software, Minitab, and SPSS-23.

Findings

According to the Iranian Ministry of Health and the Legal Medicine Organization, there were 8883 drug-related deaths in Iran from March 2014 to March 2017. According to the time series findings, this count had an upward trend and did not show any seasonal pattern. It was forecasted that the mean drug-related mortality rate in Iran would be 245.8 cases per month until 2019.

Conclusion

This study showed a rising trend in drug-related mortality rates during the study period, and the modeling process for forecasting suggested this trend would continue until 2019 if proper interventions were not instituted.

Targeting Opioid Receptors in Addiction and Drug Withdrawal: Where Are We Going?

This review article offers an outlook on the use of opioids as therapeutics for treating several diseases, including cancer and non-cancer pain, and focuses the analysis on the opportunity to target opioid receptors for treating opioid use disorder (OUD), drug withdrawal, and addiction. Unfortunately, as has been well established, the use of opioids presents a plethora of side effects, such as tolerance and physical and physiological dependence. Accordingly, considering the great pharmacological potential in targeting opioid receptors, the identification of opioid receptor ligands devoid of most of the adverse effects exhibited by current therapeutic agents is highly necessary. To this end, herein, we analyze some interesting molecules that could potentially be useful for treating OUD, with an in-depth analysis regarding in vivo studies and clinical trials.

Acute Poisoning Readmissions to an Emergency Department of a Tertiary Hospital: Evaluation through an Active Toxicovigilance Program

The aim of this study is to investigate hospital readmissions during 1 year after acute poisoning cases (APC), analyze the temporal behavior of early readmissions (ER) (in the month after the index episode) and predict possible ER. A descriptive analysis of the patients with APC assisted between 2011 and 2016 in the Emergency Department of Hospital La Paz is presented, and various methods of inferential statistics were applied and confirmed by Bayesian analysis in order to evaluate factors associated with total and early readmissions. Out of the 4693 cases of APC included, 968 (20.6%) presented, at least one readmission and 476 (10.1%) of them were ER. The mean age of APC with readmission was 41 years (12.7 SD), 78.9% had previous psychiatric pathology and 44.7% had a clinical history of alcohol addiction. Accidental poisoning has been a protective factor for readmission (OR 0.50; 0.26–0.96). Type of toxin (“drug of abuse” OR 8.88; 1.17–67.25), history of addiction (OR 1.93; 1.18–3.10) and psychiatric history (OR 3.30; 2.53–4.30) are risk factors for readmissions during the first year. Women showed three or more readmissions in a year. The results of the study allow for identification of the predictors for the different numbers of readmissions in the year after the index APC, as well as for ERs.

Intensivmedizinische Versorgung von Patienten mit akuter Intoxikation in Deutschland – ein Rückblick über 20 Jahre

Hintergrund

Die vorliegende Studie präsentiert ein Kollektiv akut intoxikierter Patienten, die in den letzten 2 Jahrzehnten auf eine medizinische Intensivstation eines tertiären Versorgungszentrums in Deutschland aufgenommen wurden.

Ziel der Arbeit

Das Ziel der Studie bestand darin, einen Überblick zur akuten Intoxikation als relevantes intensivmedizinisches Krankheitsbild und hiermit assoziierte klinische Charakteristika sowie die Prognose der betroffenen Patienten zu bieten.

Material und Methoden

Die Studienkohorte umfasst 1030 Patienten, die in den Jahren1999–2019 aufgrund einer akuten Vergiftung auf die medizinische Intensivstation der Uniklinik RWTH Aachen aufgenommen wurden. Demographische und klinische Merkmale sowie das klinische Management wurden detailliert analysiert und zwischen alters- und geschlechtsspezifischen Untergruppen verglichen.

Ergebnisse

Suizidversuche stellten die häufigste Ursache für die intensivmedizinische Aufnahme intoxikierter Patienten dar. Insbesondere führten Medikamente, v. a. Antidepressiva, zu einer akuten Vergiftung. Die Substanzen variierten hierbei je nach Geschlecht und Alter der betroffenen Patienten. In der Subgruppe der älteren Patienten stellten Benzodiazepine die am häufigsten verwendeten Substanzen dar. 286 Patienten (28 %) entwickelten ≥ 1 Organversagen. Die Gesamtmortalität betrug 2,6 %. Im Vergleich der ersten (1999–2009) mit der zweiten Dekade (2010–2019) des Beobachtungszeitraums zeigte sich ein Trend zu einer häufigeren Einnahme von Antidepressiva und Alkohol, während die Verwendung von Benzodiazepinen rückläufig war.

Diskussion

Obwohl die Gesamtmortalität im beobachteten Kollektiv gering ist, repräsentieren akut vergiftete Patienten fast 10 % aller Einweisungen auf die Intensivstation und beanspruchen insbesondere in Zeiten begrenzter Intensivkapazitäten wertvolle Ressourcen.

One-year mortality of emergency department patients with substance-induced psychosis

Objectives

Psychosis is a well established complication of non-prescription drug use. We sought to measure the 1-year mortality of emergency department patients with substance-induced psychosis (SIP).

Methods

This study was a multi-centre, retrospective electronic medical records review of patients presenting to the ED with substance-induced psychosis (SIP). We interrogated the hospital ED database from Jan 1, 2018 and Jan 1, 2019 to identify consecutive patients. All patients were followed for one year from index visit, and classified as alive/dead at that time. Patients were included in the study if they met the following criteria: 1) ED discharge diagnosis of psychosis NOS and a positive urine drugs of abuse screen (UDAS) or the patient verbally endorsed drug use, or 2) Mental disorder due to drug use and “disorganized thought”, “bizarre behavior” or “delusional behavior” documented in the chart and one or more of the following criteria: a) arrival with police, b) mental health certification, c) physical restraints, d) chemical restraints. We excluded patients who were not British Columbia residents, since we were unable to ascertain if they were alive or dead at 1 year from their index ED visit. Primary statistical analysis was logistic regression for risk of death in 1 year, based on plausible risk factors, selected a priori.

Results

We identified 813 presentations for SIP (620 unique patients). The median age of the entire cohort was 35 years (IQR 28–44), and 69.5% (n = 565) were male. Thirty five patients (4.3%; 95% CI 3.2–5.9) had died one year after their initial presentation to the ED for SIP. Separate multivariable logistic regression analyses, controlling for age, demonstrated schizophrenia (OR 4.2, 95% CI 1.8–11.1) significantly associated with increased 1-year mortality.

Conclusions

In our study of patients presenting to the ED with SIP, the 1-year mortality was 4.3%. Controlling for age, schizophrenia was a notable risk factor for increased 1-year mortality.

Opioid Use, Gut Dysbiosis, Inflammation, and the Nervous System

Opioid use disorder (OUD) is defined as the chronic use or misuse of prescribed or illicitly obtained opioids and is characterized by clinically significant impairment. The etiology of OUD is multifactorial as it is influenced by genetics, environmental factors, stress response and behavior. Given the profound role of the gut microbiome in health and disease states, in recent years there has been a growing interest to explore interactions between the gut microbiome and the central nervous system as a causal link and potential therapeutic source for OUD. This review describes the role of the gut microbiome and opioid-induced immunopathological disturbances at the gut epithelial surface, which collectively contribute to OUD and perpetuate the vicious cycle of addiction and relapse.

Analysis of Influencing Factors of Acute Medication Poisoning in Adults in Emergency Department of Our Hospital from 2016 to 2019 and Observation of Curative Effect of Optimizing Emergency Procedures

Objective. This study analyzed the influencing factors of acute medication poisoning in adults in the emergency department of our hospital from January 2016 to December 2019 and observed the curative effect of optimizing emergency procedures on adult acute medication poisoning. Our results showed that, among all acute drug poisoning patients, the most common poisoning drug was sleeping pills (24.22%), followed by painkillers (20.31%) and antipsychotics (16.41%). Education level, drug category, drug source, drug dosage, unknown drug composition, and medication side effect were all influencing factors of acute drug poisoning. High school education level or below, self-purchasing medicine, medication overdose, unknown drug composition, and medication side effect were the risk factors of acute medication poisoning. In addition, after the nursing management of optimizing emergency procedures for this type of patients, the rescue time, observation time, and hospital stay of the patients had been shortened, the incidence of complications was low, the rescue success rate was high, and the clinical application effect was good.

Treating patients with opioid overdose at a primary care emergency outpatient clinic: a cost-minimization analysis

BACKGROUND

Treating patients with acute poisoning by substances of abuse in a primary care emergency clinic has previously been shown to be a safe strategy. We conducted an economic evaluation of this strategy compared to hospital treatment, which is the usual strategy.

METHODS

Assuming equal health outcomes, we conducted a cost-minimization analysis. We constructed a representative opioid overdose patient based on a cohort of 359 patients treated for opioid overdose at the Oslo Accident and Emergency Outpatient Clinic (OAEOC) from 1.10.2011 to 30.9.2012. Using a health care system perspective, we estimated the expected resources used on the representative patient in primary care based on data from the observed OAEOC cohort and on information from key informants at the OAEOC. A likely course of treatment of the same patient in a hospital setting was established from information from key informants on provider procedures at Drammen Hospital, as were estimates of hospital use of resources. We calculated expected costs for both settings. Given that the treatments usually last for less than one day, we used undiscounted cost values.

RESULTS

The estimated per patient cost in primary care was 121 EUR (2018 EUR 1.00 = NOK 9.5962), comprising 97 EUR on personnel costs and 24 EUR on treatment costs. In the hospital setting, the corresponding cost was 612 EUR, comprising 186 EUR on personnel costs, 183 EUR on treatment costs, and 243 EUR associated with intensive care unit admission. The point estimate of the cost difference per patient was 491 EUR, with a low-difference scenario estimated at 264 EUR and a high-difference scenario at 771 EUR.

CONCLUSIONS

Compared to hospital treatment, treating patients with opioid overdose in a primary care setting costs substantially less. Our findings are probably generalizable to poisoning with other substances of abuse. Implementing elements of the OAEOC procedure in primary care emergency clinics and in hospital emergency departments could improve the use of health care resources.

Laser meridian massage decreased craving in men with opioid use disorder on methadone maintenance treatment

Background

Methods

Results

Conclusion

Detoxification of Neuromodulation Eligible Patients by a Standardized Protocol: A Retrospective Pilot Study

OBJECTIVES

Patients eligible for spinal cord stimulation (SCS) generally experience excruciating pain, requiring more opioid consumption, which is usually an indication for SCS implantation. After final implantation, SCS has the ability to stabilize or decrease opioid usage in half of the patients. In this study, opioids were actively eliminated prior to implantation of any neuromodulation device with a standardized detoxification protocol. This pilot study aims to explore the feasibility, effectiveness, and safety of this opioid detoxification protocol prior to neuromodulation techniques.

MATERIALS AND METHODS

In this retrospective pilot study, 70 patients who were taking opioids and who were eligible for neuromodulation techniques, underwent the detoxification program. A combined in- and out-patient clinic protocol was applied, whereby clonidine was the main component of both parts of the program. A multidisciplinary team with pain physicians and psychologists was responsible for performing this detoxification program. Safety and feasibility were systematically recorded during the hospitalization.

RESULTS

No serious safety issues were reported. At the start of the program, patients reported a mild sedative effect of clonidine. Additionally, most patients presented mild symptoms of opioid withdrawal, which were partially countered by the sedative effect of clonidine. Both patients and the medical staff found this protocol feasible in clinical practice. Concerning the effectiveness, a statistically significant decrease in median morphine milligram equivalents (MMEs) was found with a MME of 175 (Q1-Q3: 118.1-240) at baseline and at the last available follow-up visit the MME was 0 (Q1-Q3: 0-16.88).

CONCLUSIONS

This standardized detoxification program has proven its effectiveness, safety, and feasibility in this single-center experience pilot study in patients eligible for neuromodulation techniques.

Factors associated with rapidly repeated acute poisoning by substances of abuse: a prospective observational cohort study

Objective

We have previously found that 9% of patients treated for acute poisoning by substances of abuse in a primary care emergency outpatient setting presented with a new poisoning within a week. We now identify factors associated with rapidly repeated acute poisoning by substances of abuse.

Results

In 169/1952 (9%) cases of acute poisoning by substances of abuse included consecutively from October 2011 through September 2012 at a primary care emergency outpatient clinic in Oslo, Norway, the patient re-presented within a week with a new poisoning. Homeless patients were more likely to re-present, adjusted odds ratio (AOR) 2.0 (95% confidence interval (CI) 1.3–3.2, p = 0.003), as were self-discharging patients, AOR 1.7 (95% CI 1.2–2.4, p = 0.007), and patients with an opioid as main toxic agent, AOR 1.5 (95% CI 1.0–2.3, p = 0.028). There was no statistically significant association between rapid re-presentation and severe mental illness or suicidal intention.