Syncope as a presentation of acute pulmonary embolism
Open Access
- 1 June 2016
- journal article
- research article
- Published by Taylor & Francis Ltd in Therapeutics and Clinical Risk Management
- Vol. ume 12, 1023-1028
- https://doi.org/10.2147/tcrm.s105722
Abstract
Syncope as a presentation of acute pulmonary embolism Bülent Altınsoy, Fatma Erboy, Hakan Tanrıverdi, Fırat Uygur, Tacettin Örnek, Figen Atalay, Meltem Tor Department of Pulmonary Medicine, School of Medicine, Bulent Ecevit University, Kozlu, Zonguldak, Turkey Purpose: Syncope is an atypical presentation for acute pulmonary embolism (APE). There are conflicting data concerning syncope and prognosis of APE. Patients and methods: One hundred and seventy-nine consecutive patients aged 22–96 years (median, 68 years) with APE were retrospectively enrolled in the study. Results: Prevalence of syncope was 13% (n=23) at the time of presentation. Compared to patients without syncope, those with syncope had a higher rate of central embolism (83% vs 43%, respectively, P=0.002), right ventricular dysfunction (91% vs 68%, P=0.021), and troponin positivity (80% vs 39%, P=0.001) but not 30-day mortality (13% vs 10%, P=0.716). Multivariate analysis showed that central localization (odds ratio: 9.08) and cardiac troponin positivity (odds ratio: 4.67) were the independent correlates of the presence of syncope in the patients with APE. Frequency of cardiopulmonary disease was lower, and duration from symptom onset to hospital admission was shorter in patients with syncope (P=0.138 and 0.118, respectively), although not significant. Conclusion: Syncope most likely represents an intermediate condition between massive APE and hypotension. In APE patients with syncope, the prognosis seems to depend on the underlying pathology, the patient’s age, comorbidities and duration from symptom onset to hospital admission, and the use of thrombolytic therapy. Keywords: syncope, prognosis, pulmonary embolism, mortality rate, compression sonography, right ventricular dysfunctionKeywords
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