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Introduction: Emergency Department observation units (EDOU) transition patients from the emergency department (ED) to dedicated areas where they can receive continuous monitoring. Understanding patient return visits after EDOU discharge is important for optimizing healthcare. The objective of this study was to investigate the correlation between demographic and clinical features and the likelihood of returning to the ED within 30 days following their initial assessment in the EDOU. Methods: This retrospective, observational cohort study of adult EDOU subjects was conducted between February 1, 2018 - January 31, 2023. Adult patients evaluated in the EDOU and returned to the ED within 30 days were identified. Subjects were compared to those assessed in the EDOU but did not return to the ED within 30 days. The analysis took into account multiple visits by the same subject and made adjustments for variables including gender, ethnicity, insurance status, primary diagnosis, and disposition, using a generalized linear mixed model. Results: A total of 14,910 EDOU encounters were analyzed and 2,252 (15%) patients returned to the ED within 30 days. The analysis took into account several variables demonstrated a significant association with the likelihood of returning to the ED within 30 days. These included gender (p=0.0002), ethnicity (p=0.005), race (p=0.0004), insurance status (p<0.0001), primary diagnosis (p<0.0001), and disposition (p<0.001). Emergency severity index and length of stay were not associated with returning. Conclusions: Understanding these factors may guide interventions, enhance EDOU care, and reduce resource strain. Further research should explore these associations and long-term intervention impacts for improved outcomes.
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OBJECTIVE: Pain control for hip fractures is often achieved via intravenous opioids. However, opioids can have dangerous adverse effects, including respiratory depression and delirium. Peripheral nerve blockade is an alternative option for pain control that reduces the need for opioid analgesia. The purpose of this study was to compare the use of femoral nerve blocks versus standard pain control for patients with hip fractures. METHODS: This retrospective study included adult patients presenting to the emergency department with isolated hip fractures between April 2021 and September 2022. The intervention group included all patients who received a femoral nerve block during this time. An equivalent number of patients who received standard pain control during that period was randomly selected to represent the control group. The primary outcome was preoperative opioid requirement, assessed by morphine milligram equivalents (MMEs). RESULTS: During the study period, 90 patients were included in each group. Mean preoperative MME was 10.3 (95% confidence interval [CI], 7.4-13.2 MME) for the intervention group and 14.0 (95% CI, 10.2-17.8 MME) for the control group (P=0.13). Patients who received a femoral nerve block also had shorter time from emergency department triage to hospital discharge (7.2 days; 95% CI, 6.2-8.0 days) than patients who received standard care (8.6 days; 95% CI, 7.210.0 days). However, this difference was not statistically significant (P=0.09). CONCLUSION: Femoral nerve blockade is a safe and effective alternative to opioids for pain control in patients with hip fractures.