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  • Title: Incidence of self-inflicted burn injury in patients with Major Psychiatric Illness.
    Author: Atwell K, Bartley C, Cairns B, Charles A.
    Journal: Burns; 2019 May; 45(3):615-620. PubMed ID: 30429073.
    Abstract:
    INTRODUCTION: Psychiatric disorders are mental illnesses that impair judgment, thought process and mood that can result in physical and emotional disability. According to DSM-IV, mental disorders increases risk of traumatic injury, particularly burn [1] (American Psychiatric Association, 2013). However, there are few studies that look at patients with pre-existing major psychiatric disorders and burn outcomes. We aim to assess the incidence and intentionality of burn injury in patients with pre-existing psychiatric disorders. METHODS: This is a retrospective study of patients admitted to the UNC Jaycee Burn Center from 2002 to 2015 and entered in the burn registry. Variables analyzed include basic demographics, insurance status, total body surface area (TBSA) of burn, Charlson comorbidity index (CCI), burn etiology, presence of inhalation injury, burn circumstance, intensive care unit (ICU) and hospital length of stay (LOS) and mortality. Chi-square, Analysis of Variance (ANOVA), Kruskal-Wallis test and Multivariate logistic regression was used to analyze the data. RESULTS: 11,650 adult and pediatric patients were entered in the burn registry from 2002 to 2015 and 494 (4.2%) adult and pediatric patients had preexisting major psychiatric illness (MPI). Within the large cohort of admitted burn patients, 90 (0.8%) patients presented with self-inflicted burn injuries. 41% of patients with SIB (n=37/90) had MPI. The incidence of self-inflicted burn injury (SIB) within the MPI (n=494) cohort was 7.5% (n=37). Mean age of patients with and without self-inflicted burn injury was 35.3 (±11.6) vs. 41.8 (±17.3), respectively. Mean TBSA was significantly higher in patient with SIB at 18.6 (±16.5) vs. 8.5(±12.2) p<0.001. Non-white race had significantly higher rate of SIB compared to white cohort. There was no significant difference in mortality rates between SIB and Non-SIB (5.4% vs. 3.7%, p=0.609), respectively. Median Hospital LOS was significantly increased in patients with SIB compared to NSIB 31 (IQR=55) vs. 9 (IQR=20) days, p=0.004. Multivariate logistic regression for predictors of self-inflicted burn injury showed that minorities were more likely to incur self-inflicted burn injury among patients with major psychiatric illnesses. CONCLUSION: The incidence of self-induced burn injury in patients with MPI is low and of all the self-inflicted burn patients, 60% did not have a major psychiatric illness identified. Our findings emphasize the importance of identifying patients with MPI with or without self-induced injury that may benefit from more extensive psychiatric screening after burn and counseling, particularly minority patients as they may benefit from additional mental health counseling following severe burn.
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