Prognostic implications of biventricular strain measurement in COVID-19 patients by speckle-tracking echocardiography.

Published on Aug 6, 2021in Clinical Cardiology2.248
· DOI :10.1002/CLC.23708
Mohammad Khani5
Estimated H-index: 5
(Shahid Beheshti University of Medical Sciences and Health Services),
Sasan Tavana3
Estimated H-index: 3
+ 2 AuthorsIsa Khaheshi7
Estimated H-index: 7
(Shahid Beheshti University of Medical Sciences and Health Services)
Sources
Abstract
Background null Recent reports have indicated the beneficial role of strain measurement in COVID-19 patients. null Hypothesis null To determine the association between right and left global longitudinal strain (RVGLS, LVGLS) and COVID-19 patients' outcomes. null Methods null Hospitalized COVID-19 patients between June and August 2020 were included. Two-dimensional echocardiography and biventricular global longitudinal strain measurement were performed. The outcome measure was defined as mortality, ICU admission, and need for intubation. Appropriate statistical tests were used to compare different groups. null Results null In this study 207 patients (88 females) were enrolled. During 64 ± 4 days of follow-up, 22 (10.6%) patients died. Mortality, ICU admission, and intubation were significantly associated with LVGLS and RVGLS tertiles. LVGLS tertiles could predict poor outcome with significant odds ratios in the total population (OR = 0.203, 95% CI: 0.088-0.465; OR = 0.350, 95% CI: 0.210-0.585; OR = 0.354, 95% CI: 0.170-0.736 for mortality, ICU admission, and intubation). Although odds ratios of LVGLS for the prediction of outcome were statistically significant among hypertensive patients, these odds ratios did not reach significance among non-hypertensive patients. RVGLS tertiles revealed significant odds ratios for the prediction of mortality (OR = 0.322, 95% CI: 0.162-0.640), ICU admission (OR = 0.287, 95% CI: 0.166-0.495), and need for intubation (OR = 0.360, 95% CI: 0.174-0.744). Odds ratios of RVGLS remained significant even after adjusting for hypertension when considering mortality and ICU admission. null Conclusion null RVGLS and LVGLS can be acceptable prognostic factors to predict mortality, ICU admission, and intubation in hospitalized COVID-19 patients. However, RVGLS seems more reliable, as it is not confounded by hypertension.
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