GCA - Neurology
2022 ACR
Absolute requirement: ≥ 50 yo
Points-based criteria: ≥6 points
Scores
- Southend GCA Probability Score (GCAPS) is sensitive
- Bhavsar‑Khalidi (BK) Score is specific
> does not include age, but theoretically only used for > 50 yo
- HAS‑GCA Score incorporates neuroimaging in GCAPS
> neuroimaging is additive
Treatment
- MTP pulse 250-1000 mg/d for 3 days
If oral, prednisone 60 mg/d
> after remission, taper pred for 20 mg for 3 months, and 5 mg for a year
- start tocilizumab 162 mcg/wk ASAP by ACR