Telephone triage and dispatch of ambulances to patients with suspected and verified acute stroke - a descriptive study

Autor: Bjørn Jamtli, Maren Ranhoff Hov, Trine Møgster Jørgensen, Jo Kramer-Johansen, Hege Ihle-Hansen, Else Charlotte Sandset, Håvard Wahl Kongsgård, Camilla Hardeland
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: BMC Emergency Medicine, Vol 24, Iss 1, Pp 1-12 (2024)
Druh dokumentu: article
ISSN: 1471-227X
DOI: 10.1186/s12873-024-00962-7
Popis: Abstract Objectives In this study we aimed to explore EMCC triage of suspected and confirmed stroke patients to gain more knowledge about the initial phase of the acute stroke response chain. Accurate dispatch at the Emergency Medical Communication Center (EMCC) is crucial for optimal resource utilization in the prehospital service, and early identification of acute stroke is known to improve patient outcome. Materials and methods We conducted a descriptive retrospective study based on data from the Emergency Department and EMCC records at a comprehensive stroke center in Oslo, Norway, during a six-month period (2019–2020). Patients dispatched with EMCC stroke criteria and/or discharged with a stroke diagnosis were included. We identified EMCC true positive, false positive and false negative stroke patients and estimated EMCC stroke sensitivity and positive predictive value (PPV). Furthermore, we analyzed prehospital time intervals and identified patient destinations to gain knowledge on ambulance services assessments. Results We included 1298 patients. EMCC stroke sensitivity was 77% (95% CI: 72 − 82%), and PPV was 16% (95% CI: 14 − 18%). EMCC false negative stroke patients experienced an increased median prehospital delay of 11 min (p
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