• Kaitlin M Bowers, Judd Shelton, Eric Cortez, Robert Lowe, John Casey, and Andrew Little.
• Emergency Medicine, Hilton Head Hospital, Hilton Head Island, USA.
• Cureus. 2019 Sep 9; 11 (9): e5602.

AbstractIntroduction Patient-specific discrepancies in prehospital naloxone administration have been documented. As the opioid epidemic continues to evolve, further evaluation of prehospital naloxone administration practices is needed. The objective of this study was to compare patients who received prehospital naloxone and received an emergency department (ED) diagnosis of opioid overdose with patients who received prehospital naloxone and received an alternative ED diagnosis.  Methods This was a retrospective, multicenter chart review of patients who received naloxone by prehospital personnel for suspected opioid overdose between October 1, 2016, and October 31, 2017. Patients were excluded if age was less than 18 years, naloxone was administered by non-emergency medical service (EMS) personnel, not transported, or if prehospital records could not be linked with ED records. Demographic information and several prehospital clinical findings, including unresponsiveness, apnea, and miosis, were compared between patients diagnosed with opioid overdoses versus an alternative ED diagnosis. Descriptive statistics were utilized. Results A total of 837 patients had complete data available and were included in the analysis. Overall, 402 (48%) of patients received an ED diagnosis of opioid overdose, and 435 (52%) of patients received an alternative ED diagnosis. Patients in the alternative diagnosis group were older, had less known drug use, were more likely to be admitted, and had lower incidences of apnea, unresponsiveness, and miosis. In the opioid overdose group, there was a higher proportion of previous drug use, apnea, unresponsiveness, and miosis in the EMS setting, whereas there was a higher proportion of previous overdose, previous suicide attempts, and neurological deficits in the ED setting. Conclusions In this retrospective review evaluating patients who received prehospital naloxone, several demographic and clinical differences were noted between the two groups. Further elucidation of the safety and efficacy of prehospital naloxone in alternative diagnoses is needed.Copyright © 2019, Bowers et al.

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