Purpose The impacts of pre-existing atrial fibrillation (AF) on COVID-19-associated
outcomes are unclear. We conducted a systematic review and meta-analysis to investigate …

Objectives To describe the clinical characteristics, laboratory results, imaging findings, and
in-hospital outcomes of COVID-19 patients admitted to Brazilian hospitals. Methods A cohort …

Background Recently, emerging evidence has suggested that atrial fibrillation (AF) has an
epidemiological correlation with coronavirus disease 2019 (COVID-19). However, the …

OBJECTIVE: We aimed to test the efficiency of CHA2DS2-VASc, CHA2DS2-VASc-HS,
R2CHA2DS2-VASc score systems on the prediction of mortality in the patients with COVID …

Background The prevalence and prognostic implications of pre-existing dyslipidaemia in
patients infected by the SARS-CoV-2 remain unclear. Aim To assess the prevalence and …

Aims The prevalence and prognostic implications of coronary artery disease (CAD) in
patients infected by the novel coronavirus 2019 (COVID-19) disease remain unclear …

Abstract Since December 2019, the COVID-19 pandemic has affected the global population,
and one of the major causes of mortality in infected patients is cardiovascular diseases …

Abstract The CHA2DS2-VASc score incorporates several comorbidities which have
prognostic implications in COVID-19. We assessed whether a modified score (M …

Abstract Background Coronavirus disease 2019 (COVID-19) caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) constitutes a major health burden …

Since the advent of severe acute respiratory syndromecoronavirus-2 in December 2019,
millions of people have been infected and succumbed to death because of this deadly virus …