• Antoine Lefevre-Scelles, Paul Jeanmaire, Yonathan Freund, Luc-Marie Joly, Anne-Laure Phillipon, and Melanie Roussel.
• Department of Anaesthesiology, Intensive Care and Emergency Medical Services (SAMU 76), Rouen University Hospital, Rouen.
• Eur J Emerg Med. 2020 Oct 1; 27 (5): 357-361.

IntroductionChest pain is a common main complaint in the emergency department. Among its associated differential diagnoses, pulmonary embolism remains a key concern for the clinician. There are no clear recommendations on which patients should have a formal workup for pulmonary embolism diagnosis. The objective of this study was to determine the proportion of patients with chest pain who were investigated for pulmonary embolism diagnosis and to determine the clinical profile of these patients.MethodsThis was a retrospective multicenter study conducted in three French Emergency Departments. We included all patients who presented to these centers for chest pain during a 2-month period. The primary outcome was the initiation of pulmonary embolism workup. We also aimed to find factors associated with this outcome.ResultsWe included 881 patients with a main complaint of chest pain. Mean age was 50 years and 481 (56%) were men. A total of 263 patients (30%, 95% confidence interval 27-33%) had a formal pulmonary embolism workup, and pulmonary embolism was ultimately diagnosed in 7 cases (prevalence of 2.6%, 95% confidence interval 1.1-5.3%). Five factors were identified as independently associated with a workup for pulmonary embolism diagnosis: female sex, young age, no ischemic heart disease, recent flight and associated dyspnea.ConclusionAmong patients presenting to emergency department with chest pain, 30% had a workup for pulmonary embolism. We report five clinical variables independently associated with a higher probability of pulmonary embolism workup in our sample.

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