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OBJECTIVES: This study aims to compare emergency department (ED) utilization and admission rates for patients with a history of mental health (MH) disorders, substance use disorders (SUDs), and social determinants of health (SDOH) before and after implementing COVID-19 shelter-in-place (SIP) orders. METHODS: This was a retrospective, multicenter study leveraging electronic medical record (EMR) data from 20 EDs across a large Midwest integrated healthcare system from 5/2/2019 to 12/31/2019 (pre-SIP) and from 5/2/2020 to 12/31/2020 (post-SIP). Diagnoses were documented in the patient's medical records. Poisson and logistic regression models were used to evaluate ED utilization and admission rate changes. RESULTS: A total of 871,020 ED encounters from 487,028 unique patients were captured. Overall, 2,572 (0.53%) patients had a documented Z code for SDOH. Patients with previously diagnosed MH disorders or SUDs were more likely to seek ED care after the SIP orders were implemented (risk ratio (RR): 1.20, 95% confidence interval (CI): 1.18-1.22, p<0.001), as were patients with SDOH (RR: 2.37, 95% CI: 2.19-2.55, p<0.001). Patients with both previously diagnosed MH disorders or SUDs and a documented SDOH had even higher ED utilization (RR: 3.31, 95% CI: 2.83-3.88, p<0.001) than those with either condition alone. Patients with MH disorders and SUDs (OR: 0.89, 95% CI: 0.86-0.92, p<0.001) or SDOH (OR: 0.67, 95% CI: 0.54-0.83, p<0.001) were less likely to be admitted post-SIP orders, while patients with a history of diseases of physiologic systems were more likely to be admitted. CONCLUSION: Vulnerable populations with a history of MH disorders, SUDs, and SDOH experienced increased ED utilization but a lower rate of hospital admissions after the implementation of SIP orders. The findings highlight the importance of addressing these needs to mitigate the impact of public health crises on these populations.
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BACKGROUND: Hospitalization and mortality in patients with alcohol-associated hepatitis (AH), a severe form of liver disease, continue to increase over time. Given the severity of the illness, most hospitalized patients with AH are admitted from the emergency department (ED). However, there are no data on ED utilization by patients with AH. Thus, the Nationwide Emergency Department Sample (NEDS) dataset was analyzed to determine the ED utilization for AH. METHODS: Temporal trends (2016-2019) and outcomes of ED visits for AH were determined. Primary or secondary AH diagnoses were based on coding priority. Numbers of patients evaluated in the ED, severity of disease, complications of liver disease, and discharge disposition were analyzed. Crude and adjusted rates were examined, and temporal trends evaluated using logistic regression with orthogonal polynomial contrasts for each year. RESULTS: There were 466,014,370 ED visits during 2016-2019, of which 448,984 (0.096%) were for AH, 85.0% of which required hospitalization. The rate of visits for AH (primary and secondary) between 2016 and 2019 increased from 85 to 106.8/100,000 ED visits. The rate of secondary AH increased more than the rate of primary AH (from 68.6 to 86.5 vs. from 16.4 to 20.3/100,000 ED visits). Patients aged 45-64 years had the highest rate of ED visits for AH, which decreased during the study period, while the rate of ED visits for AH increased in those aged 25-44 years (from 38.5% to 42.9%). The severity of disease (ascites, hepatic encephalopathy, and acute kidney injury) also increased over time. Medicaid and private insurance were the most common payors for patients seeking care in the ED for AH. CONCLUSIONS: Temporal trends show an overall increase in ED utilization rates for AH, more patients requiring hospitalization, and an increase in the proportion of younger patients presenting to the ED with AH.
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BACKGROUND: Participants who received ketamine at the NIMH were among the first to receive ketamine for depression in controlled clinical trials, providing a unique opportunity to assess long-term outcomes. This analysis evaluated the relationship between participating in a ketamine clinical trial and subsequent ketamine/esketamine use after leaving the research setting. METHODS: Participants seen within the NIMH Experimental Therapeutics and Pathophysiology Branch from 2002 to 2022 (n = 1000) were contacted for follow-up assessment. Participants reported whether they had used ketamine/esketamine, sought non-prescribed ketamine, attempted suicide, or been psychiatrically hospitalized since discharge. Information regarding their recent depressive symptoms, dissociative symptoms, and hallucinations was also collected. RESULTS: Of the 203 participants in follow-up assessments (55 % female, average time since leaving NIMH = 9.04 years), 52 (25.6 %) had originally received ketamine at the NIMH, and the rest had participated in non-ketamine studies. Individuals who had received ketamine at the NIMH were more likely to have received ketamine/esketamine post-discharge than those who did not receive ketamine at the NIMH (OR = 0.25, p < .001). Participants who reported using ketamine/esketamine post-discharge reported more depressive symptoms than those who had not (p < .001). Receiving ketamine at the NIMH was not associated with differences in suicide attempts, psychiatric hospitalizations, dissociation, hallucinations, or attempt to obtain non-prescribed ketamine. LIMITATIONS: Low follow-up study participation rate; varying time since discharge. CONCLUSIONS: Participants who received ketamine in an NIMH clinical trial were more likely to receive ketamine/esketamine post-discharge, but none reported symptoms indicating abuse. Results underscore the critical need for long-term follow-up of individuals receiving these and other rapid-acting antidepressants. CLINICAL TRIALS IDENTIFIER: NCT04877977.