Impact of COVID-19 outbreak on rheumatic patients' perceptions and behaviors: A cross-sectional study.

Aim: The dynamics of coronavirus disease 2019 (COVID-19) pandemic has become of special concern to the rheumatology community. Rheumatic patients are required to engage in effective health management but their behavior is often influenced by intrinsic and extrinsic factors. This cross-sectional study aims to examine patients' experiences during the current pandemic and its implication on their health perception and behavior.

Validation of an Arabic version of Fatigue Severity Scale.

Objectives: To develop and test the psychometric properties of an Arabic version of Fatigue Severity Scale (FSS-Ar) that can be used to measure fatigue in Arabic patients with disorders where fatigue is a major symptom. 

Methods: Forward and backward translations of FSS were undertaken to develop an Arabic version. The validity and reliability of the FSS-Ar was then tested on 28 patients with systemic lupus erythematosus (SLE), 24 patients with multiple sclerosis (MS), and 31 healthy subjects.

Adverse drug reactions caused by methotrexate in Saudi population.

Aim: The aim of this study is to document adverse drug reactions (ARDs) of methotrexate (MTX) in Saudi patients.

Methods: Cross sectional study of adult patients on MTX, attending rheumatology drug monitoring clinics in a university hospital, over a period of 24 weeks. Adverse drug reactions were sought by patient interview, files review and laboratory abnormalities.

Klinefelter's syndrome and rheumatoid arthritis: report of a case and review of the literature.

Kilnefelter's syndrome (KFS) tends to be associated with autoimmune diseases. Although several reports describe association of KFS with different autoimmune diseases, association with rheumatoid arthritis is very rare. We report a case of (KFS) who had seropositive erosive rheumatoid arthritis, and discuss the role of sex hormones/X chromosome in the pathogenesis of disease.