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  • Title: Echocardiographic parameters as adjuncts to the Pulmonary Embolism Severity Index in predicting 30-day mortality in acute pulmonary embolism patients.
    Author: Wiliński J, Chukwu O, Skwarek A, Borek R, Chukwu J, Stolarz-Skrzypek K, Rajzer M.
    Journal: Kardiol Pol; 2024; 82(5):507-515. PubMed ID: 38638091.
    Abstract:
    BACKGROUND: The Pulmonary Embolism Severity Index (PESI) is a validated tool to predict 30-day all-cause mortality in patients with acute pulmonary embolism (PE) but includes only clinical variables. AIMS: We aimed to determine the effectiveness of PESI extended with an echocardiographic parameter. METHODS: This cross-sectional observational study included consecutive patients with acute PE diagnosed with computed tomography pulmonary angiography. RESULTS: Of 117 subjects (57 men, 48.7%), at a median age of 69 (59-80) years, 16 patients died during the 30-day follow-up. Six modified models of PESI with an additional single echocardiographic parameter were created, which increased the predictive value of PESI (area under the curve [AUC] 0.8608): tricuspid annular plane systolic excursion (TAPSE) <18 mm, right ventricular (RV) free wall longitudinal strain (RVFWLS) >-23%, 60/60 sign, RV global longitudinal strain (RVGLS) >-16%, pulmonary ejection acceleration time (AcT) <67 ms, and thrombus in right heart cavities (AUC 0.8657 to 0.8976, respectively, all markers P <0.001). TAPSE, AcT, RVFWLS, and RVGLS showed significant correlations with the PESI score, but not a thrombus in the right heart cavity or the 60/60 sign. As PESI adjuncts, they independently predicted fatal outcomes: thrombus with hazard ratio (HR) 10.04 (95% confidence interval [CI], 2.81-37.12; P <0.001) and the 60/60 sign with HR 4.07 (95% CI, 1.27-12.81; P <0.001). CONCLUSIONS: The quantitative echocardiographic parameters of RV systolic function and pulmonary artery blood flow are associated with the PESI score and thus increase its predictive value to a limited extent. PE- specific findings: a thrombus in the right heart cavity and the 60/60 sign are effective adjuncts to the PESI score.
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