The decision to treat. We suggest referral to a vascular surgeon at the time of initial diagnosis of an aortic aneurysm. Level of recommendation: Good Practice Statement Quality of evidence: Ungraded

We recommend repair for the patient who presents with an AAA and abdominal or back pain that is likely to be attributed to the aneurysm. Level of recommendation: 1 (Strong), Quality of evidence: C (Low)

We recommend elective repair for the patient at low or acceptable surgical risk with a fusiform AAA that is ≥5.5 cm. Level of recommendation: 1 (Strong), Quality of evidence: A (High)

We suggest elective repair for the patient who presents with a saccular aneurysm. Level of recommendation: 2 (Weak) Quality of evidence: C (Low)

We suggest repair in women with AAA between 5.0 cm and 5.4 cm in maximum diameter. Level of recommendation: 2 (Weak) Quality of evidence: B (Moderate)

In patients with a small aneurysm (4.0-5.4 cm) who will require chemotherapy, radiation therapy, or solid organ transplantation, we suggest a shared decision-making approach to decide about treatment options. Level of recommendation: 2 (Weak) Quality of evidence: C (Low)