• Josefin Grabert, Ulrich Heister, Andreas Mayr, Andrea Kirfel, Christian Staerk, Tobias Fleckenstein, and Markus Velten.
• Department of Anaesthesiology and Intensive Care Medicine, University Hospital Bonn, Venusberg-Campus 1, 53127, Bonn, Germany. josefin.grabert@ukbonn.de.
• Scand J Trauma Resus. 2022 Dec 23; 30 (1): 7575.

ObjectiveIn cerebrovascular accidents symptoms, laboratory results and electrocardiogram (ECG) changes can mimic acute coronary syndrome (ACS) and is subsumed as neurogenic stunned myocardium. So far, data regarding the frequency of cerebrovascular accidents misdiagnosed for ACS in a prehospital setting are missing. This study aims to quantify misdiagnoses and discover discriminating features.MethodsIn a retrospective cohort study, prehospital and hospital medical records of all patients treated by physician-staffed emergency medical teams in the city of Bonn (Germany) with suspected ACS in 2018 were evaluated regarding medical history, prehospital symptoms and findings as well as hospital diagnoses.ResultsFrom 758 patients admitted for presumed ACS, 9 patients (1.2%, 95% CI: 0.5-2.2%) suffered from acute cerebral disease (ACD group). Mainly, diagnoses were cerebrovascular accidents and one case of neuroborreliosis. A history of intracranial haemorrhage was found more often in the ACD group compared to the remaining cohort (OR 19, p = 0.01), while a history of arterial hypertension was less frequent (OR 0.22, p = 0.03). Presentation with headaches (OR 10.1, p = 0.03) or neurological symptoms (OR 16.9, p = 0.01) occurred more frequent in the ACD group. ECG changes were similar between groups.ConclusionAcute cerebral disease misdiagnosed for ACS seems more common than assumed. Out of 758 patients with presumed ACS, 9 patients (1.2%) suffered from ACD, which were cerebrovascular accidents mainly. This is highly relevant, since prehospital treatment with heparin and acetylsalicylic acid is indicated in ACS but contraindicated in cerebrovascular accidents without further diagnostics. Thus, discriminating these patients is crucial. An attentive patient history and examination may be the key to differentiating ACD. Due to small ACD group size, further studies are needed.© 2022. The Author(s).

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