Diagnosis and Assessment of Disease Activity in Takayasu Arteritis: A Childhood Case Illustrating the Challenge
Table 1
EULAR/PRINTO/PRES criteria and classification definition of Takayasu Arteritis.
Mandatory criteria
Angiographic abnormality
Angiography (conventional, CT, and MRI) of the aorta, its main branches or pulmonary arteries showing aneurysm/dilatation, narrowing, occlusion, or thickened arterial wall, not due to any other causes
Additional criteria (need one of the five)
() Pulse deficit or claudication
Lost/decreased/unequal peripheral artery pulse
Symptoms of claudication: focal muscle pain induced by physical activity
() Blood pressure discrepancy
Discrepancy of four-limb systolic blood pressure >10 mmhg in any limb
() Bruits
Audible murmurs or palpable thrills over large arteries
() Hypertension
Systolic/diastolic blood pressure >95th centile for height
() Acute phase reactant
Erythrocyte sedimentation rate (ESR) >20 mm per hour or C reactive protein (CRP) above normal