Table 35.
Names | Criteria Used in Diagnosis | When Is Diagnosis Established? |
---|---|---|
Takayasu arteritis | Age of onset <40 y Intermittent claudication |
≥3 criteria are present (sensitivity 90.5%; specificity 97.8%) |
Diminished brachial artery pulse | ||
Subclavian artery or aortic bruit | ||
Systolic BP variation of >10 mm Hg between arms | ||
Aortographic evidence of aorta or aortic branch stenosis | ||
Giant cell arteritis | Age >50 y Recent-onset localized headache |
≥3 criteria are present (sensitivity >90%; specificity >90%) |
Temporal artery tenderness or pulse attenuation | ||
Elevated erythrocyte sedimentation rate >50 mm/h | ||
Arterial biopsy shows necrotizing vasculitis |
Reprinted from Hiratzka et al. 2019.27