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Observational Study
. 2022 May;78(5):1337-1347.
doi: 10.1111/jan.15048. Epub 2021 Sep 17.

Triage assessment of transitory loss of consciousness in the emergency department-A retrospective observational study

Arian Zaboli  1 , Dietmar Ausserhofer  2   3 , Serena Sibilio  1 , Rupert Paulmichl  4 , Elia Toccolini  1 , Norbert Pfeifer  1 , Francesco Brigo  5 , Gianni Turcato  1
Affiliations
Observational Study

Triage assessment of transitory loss of consciousness in the emergency department-A retrospective observational study

Arian Zaboli et al. J Adv Nurs. 2022 May.

Abstract

Aim: To establish how the Manchester Triage System can correctly prioritize patients admitted to the emergency department for transitory loss of consciousness in relation to their risk of presenting severe acute disease.

Design: A observational retrospective study.

Methods: A total of 2291 patients who required a triage evaluation for a transitory loss of consciousness at the emergency department of Merano Hospital between 1 January 2017 and 30 June 2019 were considered. Transitory loss of consciousness was classified according to European Society of Cardiology guidelines. The baseline characteristics of the patients were collected and divided according to the priority level assigned at triage into two different study groups: high priority (red/orange) and low priority (blue/green/yellow). The composite outcome of the study was defined as the diagnosis of a severe acute disease.

Results: Of the patients enrolled, 17% (390/2291) had a high-priority code and 83% (1901/2291) received a low-priority code. Overall, a severe acute disease was present in 16.9% of patients (387/2291). The Manchester Triage System had a sensitivity of 42.4%, a specificity of 88.1% and an accuracy of 80.4% for predicting severe acute disease. The discriminatory ability had an area under the receiver operating characteristic curve of 0.651 (CI 95%: 0.618-0.685).

Conclusions: Despite the good specificity, the low sensitivity does not currently allow the Manchester Triage System to completely exclude patients with a severe acute disease who presented in the emergency department for a transitory loss of consciousness. Therefore, it is important to develop precise nursing tools or assessments that can improve triage performance.

Impact: The assessment of a complex symptom can create difficulties in the stratification of patients in triage, assigning low-priority codes to patients with a severe disease. Additional tools are needed to allow the correct triage assessment of patients presenting with transitory loss of consciousness.

Keywords: ESC; Manchester Triage System; emergency department; emergency medicine; emergency nursing; nurse triage; syncope; transitory loss of consciousness (TLOC); triage.

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References

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