Acute stressors and clinical characteristics differentiate death by suicide, accident, or natural causes among illicit and prescription opiate users

Distinguishing clinical factors associated with unintentional overdose, suicidal ideation, and attempted suicide among opioid use disorder in-patients

Opioid and other drug-related overdoses and suicides are leading causes of injury death and represent a significant public health threat in the United States (U.S.). This study examined clinical factors of three patient groups from two inpatient addiction treatment facilities in Appalachian West Virginia (n = 66). Patients were classified as having: 1) unintentional overdose(s) (OD), 2) suicidal ideation or suicide attempt(s) (SI/SA), and 3) suicidal ideation or suicide attempt, and unintentional overdose (SI/SA/OD). Multinomial logistic regression models were used to determine whether adverse childhood experiences, self-injurious behaviors, substance use history, overdose history, and past year stressful life events were differentially associated with history of SI/SA/OD. Participants in the OD group were more likely to have used heroin in the 24-h preceding their most recent overdose compared to either the SI/SA or SI/SA/OD groups. The multivariable model found participants with history of SI/SA had higher adverse childhood experience scores and more participants with history of SI/SA endorsed childhood physical abuse and teen dating violence. Overall, there are characteristics that distinguish unintentional overdose from suicidal ideation and attempt. Patients with SI/SA/OD appear to have greater clinical severity. More thorough evaluation of drugs involved in overdose and history of self-injury may help distinguish future risk and inform treatment planning.

Profiles of Patients with Opioid Use Disorders Presenting a History of Suicidal Ideations and Attempts

Suicide rates are higher for people with an opioid use disorder, compared to the general population. This study aims to characterize opioid agonist treatment entrants who present a history of suicidal ideations or suicide attempts, according to concurrent comorbidity profiles, in an opioid use disorder treatment facility. A chart review design was used. Data was collected from 202 patient files. Bivariate and multivariate analyses were conducted. In multivariate analysis, patients with a diagnosis or symptoms of a mood disorder were 2.48 [1.01 - 6.11] times more likely to report suicidal ideations and 2.64 [1.05 - 6.62] times more likely to report suicide attempts. Those with a diagnosis or symptoms of an anxiety disorder were 2.41 [1.01 - 5.81] times more likely to report suicidal ideations. Patients who report chronic pain were 2.59 [1.06 - 6.35] times more likely to report suicidal ideations as well. The probability to report suicide attempts was 5.09 [1.16 - 22.4] times higher for those with a confirmed or suspected personality disorder. Clinicians should bear in mind the high suicide rates in people with opioid use disorder, as well as the importance of addressing suicidal risk and providing easy access to mental health and chronic pain treatment as part of the service offer in opioid agonist treatment. Future research should focus on evaluating the effectiveness of treatments aimed at addressing the needs of opioid agonist treatment patients with interrelated mental health and pain comorbidity profiles to reduce risks associated with suicide.

Unintentional and intentional drug poisoning deaths, Australia, 2012-2016: Drug pattern profile and demographic characteristics

BACKGROUND

Identifying differences in unintentional versus intentional drug poisoning deaths can inform targeted prevention. This study aimed to: compare unintentional versus intentional drug poisoning deaths by drug involvement, age and sex; describe patterns of drug involvement by intent; and describe common drug patterns by age and sex.

METHODS

Cases comprised deaths among Australians aged ≥15 where drug poisoning was the underlying cause (Cause of Death Unit Record File 2012-2016). Sex, age, and drug involvement were analysed by intent using logistic regression.

RESULTS

Of 7994 deaths, 71% were unintentional and 24% intentional. Compared with unintentional deaths, intentional deaths were more likely among females (OR 1.31 [95% CI 1.16-1.48]) and those aged 55+ (1.50 [1.25-1.81] for 55-64 years; 3.79 [3.07-4.66] for 65+ years, compared to 35-44 years), and were more likely to involve hypnosedatives (2.11 [1.87-2.39]), other psychotropic medicines (1.58 [1.39-1.78]), non-opioid analgesics and anaesthetics (1.48 [1.25-1.73]). Common unintentional profiles comprised: opioids (excluding heroin); heroin; alcohol; opioids with hypnosedatives; opioids with hypnosedatives and other psychotropic medicines; stimulants; other psychotropic medicines; and opioids with other psychotropic medicines. Unintentional deaths involving heroin or stimulants only had a greater proportion of males (79.0% and 83.4%, respectively) and younger individuals aged 15-34 (30.3% and 39.5%, respectively). Common intentional profiles comprised: hypnosedatives; other psychotropic medicines; opioids (excluding heroin); hypnosedatives with other psychotropic medicines; opioids with hypnosedatives; and opioids with hypnosedatives and other psychotropic medicines.

CONCLUSION

The demographic and drug involvement profile of intentional and unintentional deaths were distinct, suggesting different approaches to prevention are necessary.