Background: the admission and death causes of SLE patients might have changed over the
last years. Methods: Analysis of the Spanish National Hospital Discharge database. All …

OBJECTIVE: The development of common variable immunodeficiency (CVID) or
hypogammaglobulinemia in systemic lupus erythematosus (SLE) is rare. The purpose of this …

Objective Infections are a common complication of SLE. Our objective was to evaluate their
causes and impact on the survival of patients with SLE. Methods Analysis of the admissions …

We aimed to explore the role of interleukin (IL)‐6, interferon‐gamma (IFNγ), IL‐10, and
tumor necrosis factor (TNF) as predictors of systemic lupus erythematosus (SLE) clinical and …

Objective To investigate the contribution of T lymphocytes and monocytes to cytokine
production in systemic lupus erythematosus (SLE). Methods Forty‐five SLE patients and 19 …

We aimed to evaluate the clinical outcome of Systemic Autoimmune Diseases (SADs)
patients hospitalized with COVID-19 in Spain, before the introduction of SARS-CoV-2 …

Background: Not all the patients with sarcoidosis need pharmacological therapy, and the
decision to start therapy is based mainly on clinical conditions. The aim of this study was to …

Impact of cardiovascular risk factors in antiphospholipid syndrome: an observational study from
the Spanish national registry Page 1 Clinical and Experimental Rheumatology 2022 Clinical …

Objectives Low serum levels of 25-hydroxyvitamin D (25 (OH) D) have been associated with
a higher frequency of risk factors and cardiovascular disease. The aim of this study is to …

Introduction Patients with sarcoidosis have a lower survival rate than the general population,
in part due to cardiovascular disease, infections and neoplasms. Our objective was to …