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Loncaric, F; Fernandes, JF; Sitges, M; Stessel, B; Dubois, J; Van Halem, K; Herbots, L; Bijnens, B
European heart journal cardiovascular imaging, 02/2021, Letnik: 22, Številka: Supplement_1Journal Article
Abstract Funding Acknowledgements Type of funding sources: Public grant(s) – EU funding. Main funding source(s): Horizon 2020 European Commission Project H2020-MSCA-ITN-2016 Background Although the cardiac burden of COVID-19 has been demonstrated, follow-up imaging studies are scarce. The aim was to use speckle-tracking deformation imaging (STE) to prospectively assess cardiac function during intensive care unit (ICU) hospitalisation, comparing ventricular and atrial function of COVID-10 patients that died and those that were discharged. Methods In a single-centre, COVID-19 patients (n = 41) (71% male, aged 65 ± 11 years) were prospectively followed with echocardiography as part of ICU treatment. The left and right ventricles (LV, RV, respectively) were studied with STE in the 4-chamber cardiac view. The endpoint was defined as death or ICU discharge. Average values of the strain parameters from the first and final scans in the ICU, respectively, were calculated for the two outcome groups. Results Endpoint was not reached in 15% (n = 6) at the time of analysis. The remaining patients (n = 32) were 69% male, aged 66 (interquartile range (IQR) 60-72) years, and with an ICU mortality 26% (n = 9). The median spent in ICU was 24 (IQR 15-43) days. On average, echocardiography was performed three times during ICU hospitalisation, amounting to 103 examinations. The changes in cardiac strain are shown in Table 1. The change in LV longitudinal strain during ICU hospitalisation is shown in Figure 1. Conclusion Worsening of LV strain and lack of improvement of RV strain is linked to higher mortality in the ICU. The assessment of cardiac function might contain prognostic information in COVID-19 patients that are admitted to the ICU. Patients discharged from thee OCU (n = 23) Patients that died in the ICU (n = 9) P value Initial echo in the ICU LV strain, % (IQR) 18.00 (15.6-19.95) 14.4 (10.56-20.42) 0.158 RV strain, % (IQR) 16.00 (14.70-20.05) 15.50 (10.38-23.70) 0.712 Final echo before discharge LV strain, % (IQR) 17.35 (15.13-18.98) 13.20 (10.75-15.40) 0.007 RV strain, % (IQR) 17.65 (16.83-19.60) 15.75 (10.68-20.43) 0.438 ICU - intensive care unit; IQR-inter-quartile range Abstract Figure 1
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