Temporal arteritis Flashcards
Presentation of temporal arteritis?
50+ (usually over 60 in 90% cases)
Symptoms present rapidly
Headache over temples - tenderness, palpable temporal artery. Headache is unilateral.
Jaw claudication during mastication- so also have weight loss
Visual disturbances present
—> amaurosis fugal
—> diplopia
—> blurred vision
—> blindness - hopefully see them before this
Scalp tenderness
Features of PMR - aching in shoulder and hip girdles. Morning STIFFNESS - not weakness.
Vague symptoms may present - lethargy, depression, low-grade fever, anorexia, night sweats.
Investigations for temporal arteritis?
What would results for these inv be?
ESR —> would be high >50 mm/hr
CRP —> high
Temporal artery biopsy —> show skip lesions
CK —> normal
Management of temporal arteritis?
Urgent high dose prednisolone 60-100mg for at least two weeks. Can give Methylpred IV for 1-3 days if visual loss is present - give before the biopsy. Give if suspected GCA
Urgent Optham review
Bone protection with bisphosphonates for long term steroid use
Low dose aspirin therapy to reduce thrombotic risks.
Risk factors for temporal arteritis?
Age over 50
PMR Hx
Genetic - HLA DR4
White
How is GCA Dx made? (Rheum revision)
Presence of 2 or more of the following in pts who are 50+:
- Raised ESR, CRP or PV
- new onset of localised headache
- tenderness or decreased pulsation of temporal artery
- new visual Sx
- biopsy shows necrotising arteritis
Ddx for temporal arteritis?
PMR
Solid organ cancers
Chronic infection
Takayasu’s Arteritis
RA
SLE