Background: Few studies have compared COVID-19 patients from different waves. This
study aims to conduct a clinical and morphological analysis of patients who died from …

Background The COVID-19 infection had spread worldwide causing many deaths. Mortality
rates and patients' characteristics varied within and between countries, making it important …

Background COVID-19 is accompanied by a hypercoagulable state and characterized by
microvascular and macrovascular thrombotic complications. In plasma samples from …

Aims Although the exact factors promoting disease progression in COVID-19 are not fully
elucidated, unregulated activation of the complement system (CS) seems to play a crucial …

Background COVID-19 has affected older persons the most. The propensity to have severe
COVID-19 or die of the infection was especially prevalent among older subjects with …

Aims: To characterize patients hospitalized for COVID-19 in the three waves in Southern
Italy. Methods: We conducted a multicenter observational cohort study involving seventeen …

Background Acute kidney injury (AKI) is common in critically ill patients with coronavirus
disease-19 (COVID-19). We aimed to explore the changes in AKI epidemiology between the …

Background Severely ill people with coronavirus disease 2019 (COVID-19) are at risk of
acute kidney injury treated with renal replacement therapy (AKI-RRT). The understanding of …

Background Acute kidney injury (AKI) is frequently associated with COVID-19, and the need
for kidney replacement therapy (KRT) is considered an indicator of disease severity. This …

Background Increasing age, male sex, and pre-existing comorbidities are associated with
lower survival from SARS-CoV-2 infection. The interplay between different comorbidities …