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Noninvasive Assessment of Cardiac Abnormalities in Experimental Autoimmune Myocarditis by Magnetic Resonance Microscopy Imaging in the Mouse
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Clinical Features and Associated Factors of Lupus Myocarditis: A Case-Control Study.
Dong Yan1, Siping Li1, Mengxue Yan1
1Department of Rheumatology and Immunology, Second Affiliated Hospital of Soochow University, Suzhou, China.
Immunity, Inflammation and Disease
|April 14, 2026
Summary
Lupus myocarditis (LM) patients often have kidney issues and specific antibodies. Rituximab (RTX) shows promise in treating LM, improving outcomes and allowing faster steroid reduction.
Area of Science:
- Cardiology
- Rheumatology
- Immunology
Background:
- Lupus myocarditis (LM) is a serious cardiac manifestation of systemic lupus erythematosus (SLE).
- Understanding the clinical profile and treatment efficacy in LM is crucial for patient management.
Purpose of the Study:
- To characterize the clinical features of patients diagnosed with lupus myocarditis (LM).
- To assess the effectiveness of rituximab (RTX) as a treatment for LM.
Main Methods:
- Retrospective analysis of medical records for 22 LM patients (January 2012 - March 2025).
- Comparison with matched control groups: SLE without LM and non-SLE myocarditis.
- Evaluation of SLE disease activity using SLEDAI-2K and SLE-DAS scores.
Main Results:
- LM patients exhibited higher rates of lupus nephritis and anti-SSB antibodies compared to SLE without LM.
- Echocardiographic abnormalities (wall motion, valvular regurgitation, reduced LVEF) were more common in LM.
- Rituximab (RTX) treatment in three patients led to rapid clinical improvement and facilitated glucocorticoid tapering.
Conclusions:
- Lupus myocarditis is associated with specific clinical and serological markers, including lupus nephritis and anti-SSB antibodies.
- Echocardiographic abnormalities are prevalent in LM patients.
- Rituximab (RTX) presents a promising therapeutic option for lupus myocarditis, improving patient outcomes.
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