Abstract Number: 0560 • ACR Convergence 2024
Association Between a Self-Report Screening Tool for Sarcopenia (SARC-F) and Disease Activity, Muscle Strength and Muscle Power Measures, Patient-Reported Outcomes and Body Composition in Patients with Spondyloarthritides
Background/Purpose: The SARC-F is a self-report screening tool for sarcopenia (Sar) used to identify individuals at risk for poor functional outcomes [1]. The aim of this study was…Abstract Number: 0684 • ACR Convergence 2024
The Diagnostic Accuracy of Ultrasound for Low Muscle Mass in Women with Systemic Sclerosis
Background/Purpose: Patients with systemic sclerosis (SSc) often experience body composition changes, including low muscle mass (myopenia), associated with physical disability, hospitalization and death. Our purpose…Abstract Number: 1079 • ACR Convergence 2024
Early Recognition of Myositis: Time Correlation Between Transaminases and Inflammatory Myopathy in a Community-Based Rheumatology Practice
Background/Purpose: Recognizing muscle breakdown as a potential cause of elevated transaminases is crucial in the primary care setting to facilitate early referral to rheumatology for…Abstract Number: 1182 • ACR Convergence 2024
Assessing Male Pelvic Floor Contractions Using a Novel External Pressure Device and Ultrasound
Background/Purpose: Men with rheumatic and musculoskeletal diseases (RMD) often experience sexual dysfunctions such as pelvic floor pain and erectile dysfunctions, which affect their sexual well-being.…Abstract Number: 2061 • ACR Convergence 2024
Associations Between Intramyocellular Lipid and Muscle Function in Patients with Osteoarthritis
Background/Purpose: Intramyocellular lipids (IMCL), stored within lipid droplets in skeletal muscle cells, serve as an important metabolic fuel source during exercise. Endurance athletes have demonstrated higher…Abstract Number: 2670 • ACR Convergence 2024
Sera from Patients with Idiopathic Inflammatory Myopathy Induces Muscle Weakness, Mitochondrial Dysfunction and Induction of Cytokines in Isolated Skeletal Muscle
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a group of systemic autoimmune inflammatory muscle disorders characterized by symmetrical skeletal muscle weakness and accelerated fatigue. Although signs…Abstract Number: 0302 • ACR Convergence 2023
Remission in Anti-HMGCR Positive Immune-mediated Necrotizing Myopathy Without the Use of Glucocorticoids: A Multicentric Study of 24 Patients
Background/Purpose: Statin-induced immune mediated necrotizing myopathy (IMNM) is a subtype of inflammatory myopathy associated with anti-3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) autoantibodies. This condition is characterized by progressive…Abstract Number: 1147 • ACR Convergence 2023
Blood-Based Biomarkers of Inflammation and Tissue Remodeling Can Discriminate Between Rheumatoid Arthritis, Psoriasis, and Psoriatic Arthritis and Are Associated with Hand Function
Background/Purpose: Inflammatory musculoskeletal diseases including rheumatoid arthritis (RA) and psoriatic arthritis (PsA) are characterized by physical function impairment due to progressive inflammatory and structural changes.…Abstract Number: 1177 • ACR Convergence 2023
Anti-HMGCR Autoantibody Levels in the Follow-up of Statin-induced Immune-mediated Necrotizing Myopathy: Multicentric Study of 24 Patients
Background/Purpose: Statin-induced immune-mediated necrotizing myopathy (IMNM) is associated with anti-3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) autoantibodies. It is characterized by elevated creatine kinase (CK) levels, and severe muscle…Abstract Number: 1789 • ACR Convergence 2023
Microtrauma Exacerbates Arthritis and Enthesitis in Curdlan-administered SKG Mice by Inducing FGF16 Expresssion
Background/Purpose: Microtrauma might be considered a crucial of various environmental factors in AS, but there is still unknown whether microtrauma has a direct/indirect role in…Abstract Number: 1957 • ACR Convergence 2023
Non-Linear Mendelian Randomization Analyses Support a Role for Low Vitamin D Status in Sarcopenia Risk
Background/Purpose: Vitamin D deficiency is commonly associated with sarcopenia; however, the latest International Clinical Practice Guidelines for Sarcopenia do not recommend vitamin D supplementation for…Abstract Number: 1971 • ACR Convergence 2023
Muscle Pathology in Patients with Primary Biliary Cholangitis
Background/Purpose: Primary biliary cholangitis (PBC) is a chronic autoimmune liver disease that primarily affects middle-aged women. It is characterized by elevated serum alkaline phosphatase levels,…Abstract Number: 2467 • ACR Convergence 2023
Quadriceps Muscle Fat Composition but Not Muscle Energetics Is Associated with Knee Osteoarthritis: Initial Results from the Study of Muscle, Mobility, and Aging
Background/Purpose: Osteoarthritis (OA) remains the most common cause of joint pain and disability with age, and to date, effective treatments to reduce pain and slow…Abstract Number: 1233 • ACR Convergence 2022
Ultrasound Is Reliable in the Assessment of Muscle Echogenicity in Patients with Rheumatic Diseases: Results of a Multicenter International Web-based Study
Background/Purpose: Studies have showed that an increased ultrasound (US) muscle echogenicity indicating fatty replacement/fibrosis of muscle tissue may represent an early indicator of muscle involvement associated…Abstract Number: 1886 • ACR Convergence 2022
Statin-induced Immune-mediated Miopathy: Treatment with Glucocorticoid-free Protocols and Role of Muscle Biopsy in the Follow-up
Background/Purpose: Statin-induced immune mediated necrotizing myopathy (IMNM) is a recently identified autoimmune condition associated with anti-3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) antibodies, characterized by progressive muscle weakness leading…