Pandemic of the century: COVID-19 in inflammatory rheumatic diseases of a national cohort with 3,532 patients.

Objectives: This study aimed to assess the clinical outcomes and risk factors for severe coronavirus disease 2019 (COVID-19) in patients with inflammatory rheumatic disease (IRD) of a national cohort.

Patients And Methods: The multicenter cross-sectional study was carried out between July 15, 2020, and February 28, 2021. Data collection was provided from a national network database system, and 3,532 IRD patients (2,359 males, 1,173 females; mean age: 48.

Musculoskeletal ultrasonography in rheumatic diseases.

Ultrasonography is an imaging technique based on sound waves used for the evaluation of soft tissues. Sound waves have been used for a long time in nonmedical fields, including military defense systems, radar systems, and detection of icebergs. Technological advances resulted in new techniques becoming available for medical imaging, including ultrasonography, magnetic resonance imaging, and computed tomography.

Cross-sectional analysis of cardiovascular disease and risk factors in patients with spondyloarthritis: a real-life evidence from biostar nationwide registry.

The association between spondyloarthritis and cardiovascular (CV) diseases is complex with variable outcomes. This study aimed to assess the prevalence rates of CV diseases and to analyze the impact of CV risk factors on CV disease in patients with spondyloarthritis. A multi-center cross-sectional study using the BioSTAR (Biological and Targeted Synthetic Disease-Modifying Antirheumatic Drugs Registry) database was performed on patients with spondyloarthritis.

Correlation of clinical signs and magnetic resonance imaging findings in patients with lumbar spondylosis.

Objectives: The purpose of the study was to contribute further to this debated topic by investigating the correlation of magnetic resonance imaging (MRI) findings with the clinical picture in lumbar spondylosis patients.

Patients And Methods: This multicenter retrospective study (as part of the epidemiological project of the TLAR-OASG [Turkish League Against Rheumatism-Osteoarthritis Study Group]) included 514 patients (101 males, 413 females; mean age: 63.6±10.

Diagnostic delay in psoriatic arthritis: insights from a nationwide multicenter study.

This study aimed to investigate the duration of diagnostic delay in patients with psoriatic arthritis (PsA) and identify potential contributing factors using a comprehensive, population-based approach. Data were obtained from the Turkish League Against Rheumatism (TLAR)-Network, involving patients who met the CASPAR criteria. Diagnostic delay was defined as time interval from symptom onset to PsA diagnosis, categorized as ≤ 2 years and > 2 years.

Beyond expectations: disease duration and psychological burden in psoriatic arthritis.

This study aims to investigate the relationship between disease duration and psychological burden in PsA and to identify the risk factors associated with psychological distress. Patients with PsA who met CASPAR classification criteria enrolled by Turkish League Against Rheumatism (TLAR)-Network. Patients were categorized into three groups based on disease duration: early stage (< 5 years), middle stage (≥ 5, < 10 years), and late stage (≥ 10 years).

Restless legs syndrome in patients with chronic low back pain.

Background: Based on studies showing that both chronic low back pain (LBP) and restless legs syndrome (RLS) have similar pathophysiological mechanisms, we aimed to investigate the prevalence of RLS in patients with chronic LBP and to define which demographic and clinical features are prominent in those with LBP accompanied by RLS.

Methods: One hundred and two eligible, volunteer participants with chronic LBP were enrolled in this study. Visual analog scale (VAS), the Oswestry Disability Index (ODI), Pittsburgh Sleep Quality Index, Beck Depression Inventory, and Short Form-36 scales were applied to the patients.

The clinical, functional, and radiological features of hand osteoarthritis: TLAR-osteoarthritis multi-center cohort study.

Objectives: This study aims to evaluate the clinical, functional, and radiological features of hand osteoarthritis (OA) and to examine their relationships in different geographic samples of the Turkish population.

Patients And Methods: Between April 2017 and January 2019, a total of 520 patients (49 males, 471 females; mean age: 63.6±9.

The impact of nail psoriasis on disease activity, quality of life, and clinical variables in patients with psoriatic arthritis: A cross-sectional multicenter study.

Aim: Nail involvement is common in psoriatic arthritis. This study assesses clinical characteristics, nail psoriasis prevalence, and impact of nail psoriasis on disease activity in patients with psoriatic arthritis (PsA).

Method: This cross-sectional multicenter study was conducted by the Turkish League Against Rheumatism using PsA patients recruited from 25 centers.

Evaluation of hepatitis serology and frequency of viral reactivation in patients with inflammatory arthritis receiving biologic agents: a multicenter observational study.

To evaluate of hepatitis serology and reactivation frequency in patients with rheumatic disease receiving biologic agents. Our study included patients with inflammatory rheumatic diseases from 23 centers, who were followed up with biological therapy. Demographic and clinical characteristics of the patients, duration of drug use and hepatitis serology and the state of viral reactivation were analyzed.

Where we are in treat to target era? Predictive factors for remission and drug switching in patients with axial spondyloarthritis: a real-life evidence from BioStaR nationwide registry.

Objectives: Factors associated with disease activity of axial spondyloarthritis (axSpA) and switching of biologic disease-modifying anti-rheumatic drugs have not been clearly defined. We aimed to evaluate clinical characteristics of patients with axSpA, factors related to remission in treat to target era and predictive factors for biologic disease-modifying anti-rheumatic drug switching.

Method: A multicenter, observational cross-sectional study was performed between February 2019 and August 2019.

Isotretinoin-induced inflammatory back pain and sacroiliitis in patients with moderate-to-severe acne vulgaris.

Introduction: Isotretinoin has been reported to induce inflammatory back pain (IBP) and sacroiliitis in the patients with acne vulgaris. The aim of this study is to investigate the incidence of IBP and sacroiliitis in patients receiving isotretinoin treatment compared with oral antibiotics for acne vulgaris.

Materials And Methods: A total of 201 patients with moderate-to-severe acne vulgaris who received isotretinoin (n = 100) or oral antibiotics (n = 101) were included in the study.

Demographic and Clinical Characteristics of Patients with Sustained and Switching Treatments Using Biological and Targeted Synthetic Disease-Modifying Antirheumatic Drugs: A Multicenter, Observational Cross-Sectional Study for Rheumatoid Arthritis.

Introduction: Rheumatoid arthritis is a chronic inflammatory disease with different disease activity grades. Several registries have been designed to determine the appropriate regimens of disease-modifying antirheumatic drugs to obtain sustained clinical remission. We examined epidemiological and clinical characteristics of rheumatoid arthritis patients using a clinical registry database (BioSTaR) and analyzed the differences in patients with sustained and switched therapies.

Inconsistencies of the Disease Activity Assessment Tools for Psoriatic Arthritis: Challenges to Rheumatologists.

Objective: Currently, concerning the evaluation of psoriatic arthritis (PsA), there is no agreement on a standardized composite index for disease activity that includes all relevant domains. The present study sought to assess the rates of remission (REM)/low disease activity (LDA) and disease states [minimal disease activity (MDA), very low disease activity (VLDA)] as defined by diverse activity scales (DAPSA, DAS28-ESR) in an attempt to display discrepancies across these assessment tools for peripheral PsA.

Methods: The study involved 758 patients (496 females, 262 males; mean age 47,1 years) with peripheral PsA who were registered to the Turkish League Against Rheumatism (TLAR) Network.

Clinical performance of rheumatoid arthritis impact of disease score: a real-life evidence from the multicenter nationwide registry BioStaR.

The rheumatoid arthritis impact of disease (RAID) score was developed as a patient-derived composite response index for the evaluation of the disease impact on cases with rheumatoid arthritis (RA). The aim of this study was to evaluate the psychometric properties and performance of RAID score in the real-life settings. Cases with RA from our multi-center, nationwide registry called Biologic and targeted Synthetic antirheumatic drugs Registry RA (BioStaR RA) were included in this cross-sectional observational study.

Impact of obesity on quality of life, psychological status, and disease activity in psoriatic arthritis: a multi‑center study.

This article aims to evaluate the possible effect of obesity on quality of life, psychological status, and other clinical variables in Psoriatic arthritis (PsA). PsA patients have been recruited by the Turkish League Against Rheumatism-Network from various centers in Turkey in this cross-sectional study. Patients with a body mass index (BMI) ≥ of 30 kg/m were considered obese.

Infliximab therapy provides beneficial effects for choroidal thickness increase in patients with active ankylosing spondylitis: A possible mechanism mediating the suppressing of uveitis attacks.

Objectives: This study aims to quantitatively assess the profile of the choroidal thickness (ChT) in patients with ankylosing spondylitis (AS) using optical coherence tomography (OCT), and to examine whether the posterior eye segment abnormalities in active AS patients are reversible by infliximab therapy.

Patients And Methods: October 2014 and March 2016 Thirty-one patients with AS (22 males, 9 females; mean age 39.6±12.

Clinical characteristics, disease activity, functional status, and quality of life results of patients with psoriatic arthritis using biological and conventional synthetic disease-modifying antirheumatic drugs.

Objectives: This study aims to compare the clinical characteristics, disease activity, and quality of life (QoL) of patients with psoriatic arthritis (PsA) who use biological and conventional synthetic disease-modifying antirheumatic drugs (DMARDs) in a nationwide cohort throughout Turkey.

Patients And Methods: A total of 961 patients (346 males, 615 females; mean age 46.9±12.

Gender-related differences in disease activity and clinical features in patients with peripheral psoriatic arthritis: A multi-center study.

Objective: This study sought to compare disease activity, clinical features, and patient-reported outcomes concerning anxiety, depression, fatigue, function, quality of life, and fibromyalgia between female and male patients with peripheral PsA in a Turkish population.

Methods: This multi-center Turkish League Against Rheumatism (TLAR) Network study included 1038 patients (678 females, 360 males) diagnosed with peripheral PsA according to the CASPAR criteria. The demographic and clinic parameters of the patients were recorded.

Risk of hepatitis B reactivation in patients receiving anti-tumor necrosis factor-α therapy.

Objective: The purpose of this study was to determine hepatitis B virus (HBV) screening rates in patients receiving anti-tumor necrosis factor (TNF)-α therapy and the frequency of HBV reactivation in patients with resolved hepatitis B virus infection (hepatitis B surface antigen [HBsAg] negative, hepatitis B core antibody [Anti-HBc] positive).

Patients And Methods: Data from 1834 patients who underwent anti-TNF-α therapy in the Rheumatology, Gastroenterology and Dermatology Departments of our hospital between 2010 and 2020 were retrospectively analyzed. Within 6 months before the initial anti-TNF-α therapy, performing a HBsAg and/or anti-HBc test is defined as HBV screening.

The effect of gender on disease activity and clinical characteristics in patients with axial psoriatic arthritis.

Objectives: In this study, we aimed to evaluate the effect of gender on clinical findings, disease activity, functional status and quality of life in patients with axial involvement in Turkey.

Methods: Patients with PsA who met the CASPAR classification criteria were enrolled consequently in this cohort. Turkish League Against Rheumatism (TLAR)-Network was formed with the participation of 25 centres.