Fibroblast growth factor 23 in children with or without heart failure: a prospective study.

Background: Elevated fibroblast growth factor 23 (FGF23) levels have been associated with mortality in adults with heart failure (HF), but data on FGF23 levels in paediatric HF are limited. In this prospective cohort study, we aimed to assess the prognostic value of FGF23 in children with chronic HF.

Methods: We prospectively enrolled 40 children with chronic HF and 20 matched healthy controls.

Congenital heart disease in a patient with COVID-19 infection during early pregnancy: a case report.

Background: Since the end of 2019, the world has been afflicted by a coronavirus pandemic caused by coronavirus 2 (severe acute respiratory syndrome) (SARS-CoV-2). COVID-19 causes a wide range of signs and symptoms with varying consequences. The impact of the COVID-19 infection on pregnant women and their fetuses is still under investigation.