Effect of cholecalciferol versus calcifediol on serum 25(OH)D concentrations: a systematic review with meta-analysis.

Background: Deficiency in vitamin D is widely prevalent around the world. Oral vitamin D supplementation is suggested for older adults to sustain appropriate 25-hydroxyvitamin D (25(OH)D) levels throughout the year. At present, cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) are the most commonly used compounds.

COVID-19-Induced Rheumatoid Arthritis: Case Series and Systematic Review of the Literature.

COVID-19, caused by a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), can lead to severe infection and has been suggested to induce autoimmune phenomena. We report three cases of rheumatoid arthritis (RA) occurring after COVID-19 infection and we present a systematic review of the literature of cases of RA post COVID-19. Our findings suggest that RA may be trigged by COVID-19 infection in genetically predisposed individuals.

Physical activity assessment in rheumatoid arthritis: a 120-patient cross-sectional study.

Introduction: Rheumatoid arthritis (RA) is a chronic inflammatory disease frequently associated with comorbidities such as cardiovascular diseases. RA patients are more prone to physical inactivity than the general population.

Aim: Our study aimed to evaluate physical activity (PA) in patients with RA and to assess barriers that influence it in RA characteristics.

Assessment of rheumatoid arthritis patients' knowledge about foot problems related to their illness and foot care practice.

Introduction: Foot problems are very common in rheumatoid arthritis (RA). Podiatric intervention through therapeutic education of RA patients on the different potential foot problems could improve patients' knowledge and management of their foot problems. This study aimed to evaluate the knowledge of RA patients on podiatric problems related to their illness and foot care practices.

Ultrasound Assessment of Psoriatic Arthritis Patients With Clinically Normal Nails and Evaluation of its Correlation With the Disease Activity: A Case-Control Study.

Objectives: Nail unit is one of the targets of ultrasound (US) assessment. We aimed to compare ultrasound parameters of clinically normal nail unit in psoriatic arthritis (PsA) patients with healthy controls (HC) and evaluate their correlations with disease activity.

Methods: This was a cross-sectional study including patients with PsA and matched HC.