Background Mortality of patients with coronavirus disease 2019 (COVID-19), acute respiratory
distress syndrome (ARDS), and systemic inflammation is high. In areas of pandemic …

Objective IgG4‐related disease (IgG4‐ RD ) can cause fibroinflammatory lesions in nearly
any organ. Correlation among clinical, serologic, radiologic, and pathologic data is required …

Background Tocilizumab (TCZ), a humanized monoclonal antibody targeting the interleukin-6
(IL-6) receptor, has been proposed for the treatment of COVID-19 patients; however, …

Objectives The aim of our study was to describe the incidence and predictive factors of
secondary infections in patients with coronavirus disease 2019 (COVID-19). Methods This was a …

Objectives To assess the safety and efficacy of interleukin (IL)−6 blockade with sarilumab in
patients with severe COVID-19 pneumonia and systemic hyperinflammation. Methods We …

Background Mortality in patients with COVID-19 pneumonia and systemic
hyperinflammation is high. We aimed to examine whether mavrilimumab, an anti-granulocyte–macrophage …

Background Patients with severe COVID-19 develop a life-threatening hyperinflammatory
response to the virus. Interleukin (IL)-1 or IL-6 inhibitors have been used to treat this patient …

Objectives Erdheim–Chester disease (ECD) is a rare inflammatory disorder characterised
by organ infiltration by non-Langerhans’ histiocytes. Although rare, ECD is clearly an …

Background Ventricular arrhythmias (VAs) have never been systematically investigated in
patients with myocarditis at different stages. Objectives The purpose of this study was to …

Many kinds of arrhythmias may occur in patients with myocarditis at any stage of the disease.
However, compared to the other clinical presentations, arrhythmic myocarditis has been …