Using RV/LV ratio and cardiac biomarkers to define the risk of mortality from pulmonary embolism
- 22 September 2021
- journal article
- research article
- Published by Bilimsel Tip Publishing House in Tuberkuloz ve Toraks
- Vol. 69 (3), 297-306
- https://doi.org/10.5578/tt.20219701
Abstract
Introduction: Acute pulmonary thromboembolism (PTE) is a common cause of cardiovascular mortality. Right ventricular (RV) dysfunction is the most important cause of mortality. Computed Tomography Pulmonary Angiography (CTPA) can detect right ventricular enlargement which is an indicator of RV dysfunction at the time of diagnosis. This study aimed to determine the parameters indicating RV dysfunction in CTPA and correlation of early mortality findings. Materials and Methods: In this retrospective study, electronic files of patients diagnosed PTE with CTPA between January 2012 and December 2017 were evaluated. Measurements of heart chambers, IVC reflux, and IVS morphology were calculated. In-hospital mortality of the patients after acute PTE diagnosis was evaluated. Results: There were 206 eligible patients. Among the evaluated radiological parameters, right atrium (RA) size (p=0.002), PA size (p=0.003), Ao size (p=0.006), and the presence of IVC reflux (p=0.001) were associated with mortality. No significant relationship was found between RV/LV >= 1 and mortality (p=0.908). All patients with PTE-related mortality had RV/LV ratio >= 1 in CTPA and had IVC reflux. Patients with an RV/LV ratio of >= 1 had statistically significantly higher troponin levels (p=0.004) and IVC reflux (p=0.025) compared to patients with an RV/LV ratio of <1. Conclusion: In conclusion, RV/LV ratio should be evaluated together with cardiac biomarkers to define mortality risk.Keywords
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