Autoantibodies in Patients with Neuropsychiatric Lupus Erythematosus
Author Information
Author(s): Fragoso-Loyo Hilda, Cabiedes Javier, Orozco-Narváez Alejandro, Dávila-Maldonado Luis, Atisha-Fregoso Yemil, Diamond Betty, Llorente Luis, Sánchez-Guerrero Jorge
Primary Institution: Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
Hypothesis
The study aimed to assess the association of serum and cerebrospinal fluid (CSF) autoantibodies with neuropsychiatric manifestations in systemic lupus erythematosus (SLE) patients.
Conclusion
In neuropsychiatric lupus erythematosus, autoantibodies in serum do not reflect their behavior in cerebrospinal fluid.
Supporting Evidence
- Autoantibodies in serum did not differentiate among SLE groups.
- Anti-NMDAR antibodies in CSF identified patients with central NPSLE.
- Most patients with central NPSLE had a decrease in autoantibody levels at six months.
Takeaway
This study looked at patients with lupus who have brain problems and found that the antibodies in their blood don't tell us much about what's happening in their brains.
Methodology
The study included 47 SLE patients with neuropsychiatric manifestations, evaluated at hospitalization and six months later, with serum and CSF samples collected at each evaluation.
Potential Biases
Potential misclassification in attributing neuropsychiatric manifestations to SLE due to concurrent non-SLE factors.
Limitations
The study was not adequately powered to correlate specific antibodies with specific neuropsychiatric manifestations, and a limited number of patients with peripheral NP manifestations were included.
Participant Demographics
Mean age of NPSLE patients was 31.5 years, with a predominance of females.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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