Point-of-care ultrasound to diagnose acute cholecystitis in the emergency department: A scoping review.

Introduction/Purpose: Ultrasound is the first-line imaging modality for suspected acute cholecystitis. This can be radiology-performed ultrasound or point-of-care ultrasound (POCUS). POCUS can potentially streamline patient assessment in the emergency department (ED). The primary objective was to evaluate the literature for the diagnostic accuracy of POCUS performed for acute cholecystitis in the ED. Secondary objectives were to assess the effect of POCUS operator training on diagnostic accuracy for acute cholecystitis, utility of POCUS measurement of the common bile duct and POCUS impact on resource utilisation. Methods: A systematic scoping review of articles was conducted using Medline, Embase, CENTRAL and CINAHL. Original studies of adults with POCUS performed for the diagnosis of acute cholecystitis in the ED were included. The study was reported using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews checklist (PRISMA-ScR). Results: A total of 1090 publications were identified. Forty-six met the eligibility criteria. Studies were thematically grouped into categories according to specified objectives. Point-of-care ultrasound was of acceptable but variable accuracy, contributed to by the absence of a consistent reference standard and uniform training requirements. It may positively impact ED resource utilisation through reduced ED length of stay and radiology-performed imaging, whilst improving patient experience. Conclusion: This review highlights the heterogeneity of existing research, emphasising the need for standardisation of training and reference standards in order to precisely define the utility of POCUS for acute cholecystitis in the ED and its benefits on ED resource utilisation.

Occupational violence in a tertiary emergency department: A retrospective descriptive study.

OBJECTIVE: Occupational violence in emergency departments (EDs) impacts staff and patients. Most hospitals have a response mechanism called a 'Code Black' or similar. We aimed to determine the incidence of Code Black activations in a tertiary ED and describe contributory factors, management strategies and adverse events. METHODS: Descriptive study in a tertiary ED in South-East Queensland in 2021. Adult patients for who a Code Black had been activated were eligible. Data were obtained from a prospectively collected Code Black database, supplemented with retrospective electronic medical records. RESULTS: There were 386 Code Black events. The incidence of Code Black activation was 11.0 per 1000 adult ED presentations. Individuals requiring Code Black activation were 59.6 % male with a mean age of 40.9 years. The primary diagnosis was mental illness related in 55.1 %. Alcohol was a suspected factor in 30.9 %. When Code Black activation occurred, median length of stay increased. Restraint including physical, chemical or both were used in 54.1 % of Code Blacks. CONCLUSION: Occupational violence occurs at a three-fold greater incidence within this ED than reported elsewhere. This study reinforces other literature suggesting an increase in occupational violence, demonstrating the need for dedicated preventative strategies for patients at risk of agitation.