• Brian R Schultz, Brett Y Lu, Jane M Onoye, and Tara P Toohey.
• Department of Psychiatry, John A. Burns School of Medicine, University of Hawai'i, Honolulu, HI (BRS, BYL, JMO, TPT).
• Hawaii J Med Public Health. 2018 Dec 1; 77 (12): 312-314.

AbstractMethamphetamine use has increased throughout the United States in recent years, and is historically prevalent in Hawai'i. This retrospective study aimed to determine the effect of methamphetamine use on emergency department (ED) resources, by examining visits to an emergency department (ED) in an urban hospital in Hawai'i from 2007 - 2011. The rate of patients who tested positive for amphetamine was measured and broken down by year. Primary outcomes included length of ED stay, the administration of medication or physical restraints for safety, and the rate of psychiatric hospitalization. Overall, 15.1% of drug-screened patients (N = 16,018) tested positive for amphetamines over the study period. Amphetamine-positive patients spent more time per visit on average in the ED, and were more likely to require medication and physical restraints, compared to amphetamine-negative patients. Amphetamine positive patients were admitted to inpatient psychiatry less frequently than negative-testing patients. In summary, there is higher resource utilization per psychiatric emergency service visit by amphetamine-positive patients; however if patients can be stabilized in the ED, the increased ED resources utilized may be offset by the reduced burden on inpatient facilities.

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