Key result
Right ventricular global strain and free wall strain were significantly decreased in COVID-19 patients who died or required intubation compared to those who survived to discharge (-10.2% vs -20.3%, p=0.007 for RVGS).
Why the study?
COVID-19 infection adversely affects the cardiovascular system, and the study sought to evaluate biventricular myocardial strain in this setting.
Does biventricular strain by speckle tracking echocardiography predict poor outcomes in patients with COVID-19?
Observational (n=12)
No
Does biventricular strain by speckle tracking echocardiography predict poor outcomes in patients with COVID-19?
Answers are grounded in this paper and cite their sources.
Right ventricular strain measured by speckle tracking echocardiography may be a useful marker for risk stratification and prognosis in patients with COVID-19.
The COVID-19 infection adversely affects the cardiovascular system. Transthoracic echocardiography has demonstrated diagnostic, prognostic and therapeutic utility. We report biventricular myocardial strain in COVID-19. Methods: Biventricular strain measurements were performed for 12 patients. Patients who were discharged were compared with those who needed intubation and/or died. Results: Seven patients were discharged and five died or needed intubation. Right ventricular strain parameters were decreased in patients with poor outcomes compared with those discharged. Left ventricular strain was decreased in both groups but was not statistically significant. Conclusion: Right ventricular strain was decreased in patients with poor outcomes and left ventricular strain was decreased regardless of outcome. Right ventricular strain measurements may be important for risk stratification and prognosis. Further studies are needed to confirm these findings.
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Krishnamoorthy et al. (2020) conducted an observational in COVID-19 (n=12). Poor clinical outcome (intubation and/or death) vs. Survival to discharge without intubation was evaluated on Right ventricular global strain (RVGS) (p=0.007). Right ventricular global strain and free wall strain were significantly decreased in COVID-19 patients who died or required intubation compared to those who survived to discharge (-10.2% vs -20.3%, p=0.007 for RVGS).
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