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Peripheral neuropathy in systemic lupus erythematosus.
R Omdal1, O A Henriksen, S I Mellgren
1Department of Rheumatology, University Hospital, Tromsø, Norway.
Neurology
|June 1, 1991
Summary
Systemic lupus erythematosus (SLE) patients frequently experience neuropathy. Nerve conduction velocity (NCV) studies are crucial for diagnosis, while other scores aid in monitoring disease progression and treatment effectiveness.
Area of Science:
- Neurology
- Rheumatology
- Clinical Electrophysiology
Background:
- Systemic lupus erythematosus (SLE) is an autoimmune disease with potential multi-systemic manifestations.
- Neuropathy is a recognized complication of SLE, impacting patient quality of life.
- Accurate assessment of neuropathy in SLE patients is essential for effective management.
Purpose of the Study:
- To investigate the prevalence and characteristics of neuropathy in SLE patients.
- To evaluate the utility of various diagnostic tools for neuropathy in SLE.
- To establish reliable methods for assessing and monitoring neuropathy in SLE.
Main Methods:
- Utilized Neuropathy Symptom Score (NSS), Neurological Disability Score (NDS), electromyography (EMG), nerve conduction velocity (NCV) studies, and vibration thresholds (VT).
- Assessed 33 consecutive patients diagnosed with SLE.
- Defined polyneuropathy based on NCV abnormalities in two or more nerves.
Main Results:
- Polyneuropathy was identified in 21% (7 out of 33) of the studied SLE patients.
- Neuropathic symptoms showed limited correlation with NCV and VT.
- Clinical signs, VT, and NCV demonstrated correlations, suggesting interconnectedness in clinical presentation.
Conclusions:
- Nerve conduction velocity (NCV) studies are recommended as the primary method for reporting neuropathy frequency in SLE.
- NSS, NDS, and VT provide valuable quantitative data for patient follow-up and therapeutic response evaluation.
- Comprehensive electrophysiological assessment is vital for understanding and managing SLE-related neuropathy.