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Table 1 Classification of TA from the Takayasu Conference 1994 [1]

From: Takayasu arteritis with congestive heart failure in 26-year-old male: a case report

Type Vessel involvement
Type I Branches from the aortic arch
Type IIa Ascending aorta, aortic arch and its branches
Type IIb Ascending aorta, aortic arch and its branches, thoracic descending aorta
Type III Thoracic descending aorta, abdominal aorta, and/or renal arteries
Type IV Abdominal aorta and/or renal arteries
Type V Combined features of types IIb and IV