Table 4.3.
Surveillance of Known Abdominal Aortic Aneurysm
| Indication | Appropriate Use Score (1–9) | |||
|---|---|---|---|---|
| New or Worsening Symptoms | ||||
| 82. | • Known abdominal aortic aneurysm (any size) | A (9) | ||
| 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 | |
|
| ||||
| 83. | • Men, aneurysm 3.0 to 3.9 cm in diameter | I (1) | U (4) | A (7) |
| 84. | • Women, aneurysm 3.0 to 3.9 cm in diameter | I (1) | U (4) | A (7) |
| 85. | • Aneurysm 4.0 to 5.4 cm in diameter | U (4) | A (7) | A (7) |
| 86. | • Aneurysm ≥5.5 cm in diameter | A (7) | A (7) | U (6) |
| Asymptomatic or Stable Symptoms, No or Slow Progression During First Year, Surveillance Frequency After First Year | Every 6 months | Every 12 months | Every 24 months or greater | |
|
| ||||
| 87. | • Men, aneurysm 3.0 to 3.9 cm in diameter | I (2) | A (7) | A (7) |
| 88. | • Women, aneurysm 3.0 to 3.9 cm in diameter | I (2) | A (7) | A (7) |
| 89. | • Aneurysm 4.0 to 5.4 cm in diameter | U (5) | A (7) | U (6) |
| 90. | • Aneurysm ≥5.5 cm in diameter | A (8) | A (7) | U (5) |
| Asymptomatic or Stable Symptoms, Rapid Progression During First Year, Surveillance Frequency After First Year | Every 6 months | Every 12 months | Every 24 months or greater | |
|
| ||||
| 91. | • Men, aneurysm 3.0 to 3.9 cm in diameter | A (7) | A (7) | U (4) |
| 92. | • Women, aneurysm 3.0 to 3.9 cm in diameter | A (8) | A (7) | U (4) |
| 93. | • Aneurysm 4.0 to 5.4 cm in diameter | A (8) | A (7) | U (4) |
| 94. | • Aneurysm ≥5.5 cm in diameter | A (9) | U (5) | I (3) |
A = appropriate; I = inappropriate; U = uncertain.