Characteristics of patients with symptomatic and incidental pulmonary thromboembolism

Résumé fourni par la source

Introduction: Pulmonary thromboembolism (PTE) has a wide range of clinical presentations. With the advances in computed tomography (CT) technology and easier access to CT, the incidence of incidentally diagnosed cases of PTE has increased. The main aim of our study was to determine the frequency of patients incidentally diagnosed with PTE and whether these patients differ from patients with symptomatic PTE in terms of case characteristics. Materials and Methods: We retrospectively analysed the charts of 148 patients with PTE diagnosed and treated in 2022. Demographic characteristics, thrombus localisation, risk factors, and treatment modalities were compared between symptomatic patients with clinically suspected PTE and patients with incidentally diagnosed PTE by imaging methods performed for other purposes without clinically suspected PTE. Result: Out of 148 patients with PTE, 42 (28.3%) were diagnosed incidentally. The rate of concomitant malignancy was significantly higher in patients with incidental PTE (54.8%) than in patients with symptomatic PTE (28.3%) (p < 0.01). There was no significant difference between symptomatic and incidental PTE patients in terms of the pulmonary artery segment in which the thrombus was located (p > 0.05). Conclusions: In our patient group, approximately one out of four patients diagnosed with PTE were incidentally diagnosed. Patients with malignancies may not have symptoms suspicious for PTE or their symptoms may go unrecognized.

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