Table 4.4

Surveillance After Aortic Endograft or Aortoiliac Stenting

Indication		Appropriate Use Score (1–9)
Baseline (Within 1 Month After the Intervention)
95.	• Aortic or iliac endograft	A (8)
96.	• Aortic and iliac artery stents	A (7)
New or Worsening Lower Extremity Symptoms After Baseline Exam
97.	• Aortic or iliac endograft	A (8)
98.	• Aortic and iliac artery stents	A (8)
Asymptomatic or Stable Symptoms After Baseline Study, Surveillance Frequency During First Year		At 3 to 5 months	At 6 to 8 months	At 9 to 12 months
99.	• Aortic endograft without endoleak stable and/or decreasing residual aneurysm sac size	I (3)	U (5)	U (6)
100.	• Aortic endograft with endoleak and/or increasing residual aneurysm sac size	U (6)	A (8)	A (7)
101.	• Aortic or iliac artery stents	I (2)	U (5)	U (6)
Asymptomatic or Stable Symptoms After Baseline Study, Surveillance Frequency After First Year		Every 6 months	Every 12 months	Every 24 months or greater
102.	• Aortic endograft without endoleak stable and/or decreasing residual aneurysm sac size	I (3)	A (7)	U (5)
103.	• Aortic endograft with endoleak and/or increasing residual aneurysm sac size	A (8)	A (7)	U (5)
104.	• Aortic or iliac artery stents	I (2)	U (5)	U (5)

A = appropriate; I = inappropriate; U = uncertain.