Wednesday 22 January 2020

P SUICD

Outcome of pediatric emergency mental health visits: incidence and timing of suicide

Abstract

Objectives
To determine the incidence, risk, and timing of mortality (unnatural and natural causes) among youth seen in a pediatric emergency department (ED) for mental health concerns, compared with matched non–mental health ED controls.
Methods
This was a retrospective cohort study conducted at a quaternary pediatric ED in British Columbia. All visits for a mental health related condition between July 1st, 2005, and June 30th, 2015, were matched on age, sex, triage acuity, socioeconomic status, and year of visit to a non–mental health control visit. Mortality outcomes were obtained from vital statistics data through December 31st, 2016 (cumulative follow-up 74,390 person-years).
Results
Among all cases in our study, including 6,210 youth seen for mental health concerns and 6,210 matched controls, a total of 13 died of suicide (7.5/100,000 person-years) and 33 died of suicide or indeterminate causes (44/100,000 person-years). All-cause mortality was significantly lower among mental health presentations (121.3/100,000 v. 214.5/100,000 person-years; hazard ratio [HR], 0.54; 95% confidence interval [CI], 0.37–0.78). The median time from initial emergency visit to suicide was 5.2 years (interquartile range, 4.2–7.3). Among mental health related visits, risk of death by suicide or indeterminate cause was three-fold that of matched controls (HR, 3.05 95%CI, 1.37–6.77).
Conclusions
While youth seeking emergency mental health care are at increased risk of death by unnatural causes, their overall mortality risk is lower than non–mental health controls. The protracted duration from initial presentation to suicide highlights the need for long-term surveillance and preventative care for youth seen in the ED for all mental health concerns.
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