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Mononeuritis multiplex and occipital infarction complicating giant cell arteritis
1Southmead General Hospital, Westbury-on-Trym, Bristol.
British Journal of Rheumatology
|June 1, 1989
Summary
Giant cell arteritis can cause stroke and nerve damage even with normal inflammatory markers. High-dose steroids, while treating the arteritis, may precipitate these serious neurological complications.
Area of Science:
- Neurology
- Rheumatology
- Vascular Medicine
Background:
- Giant cell arteritis (GCA) is a systemic vasculitis primarily affecting large and medium arteries.
- Cranial involvement in GCA can lead to ischemic events, including stroke.
- Erythrocyte sedimentation rate (ESR) is a key inflammatory marker for diagnosing and monitoring GCA.
Observation:
- A 67-year-old female patient with diagnosed giant cell arteritis presented with a normal ESR.
- The patient was initiated on high-dose corticosteroid therapy for GCA.
- Shortly after commencing steroid treatment, the patient developed occipital infarction and mononeuritis multiplex.
Findings:
- The case highlights a potential disconnect between ESR levels and active arteritis complications in GCA.
- High-dose steroid therapy, while indicated for GCA, may be associated with an increased risk of ischemic cerebrovascular and neurological events.
- The development of occipital infarction and mononeuritis multiplex suggests a possible pro-thrombotic state or vasculitic activity despite normal ESR.
Implications:
- Clinicians should maintain a high index of suspicion for GCA complications, irrespective of ESR values.
- The potential for steroid-induced neurological events in GCA patients warrants careful monitoring and risk assessment.
- Further research is needed to elucidate the mechanisms linking GCA, steroid therapy, and ischemic neurological complications.