Table 9. Indications for surgery (from most recent European Society of Cardiology guidelines) ¹⁶⁸ .

Recommendation	Class	Level
Surveillance is safe and indicated in patients with AAA < 55 mm	I	A
AAA repair is indicated in male patients with AAA > 55 mm	I	B
AAA repair is indicated in female patients with AAA > 50 mm	I	C
AAA repair is indicated when AAA grow rate exceed 10 mm/y	I	B
In patients deemed fit for open repair with AAA anatomically suitable for EVAR both open repair and EVAR are recommend	I	A
If AAA is unsuitable for EVAR, open repair is recommended	I	C
In patients deemed unfit for open repair, EVAR along with best medical therapy could be considered	IIb	B

Abbreviations: AAA, abdominal aortic aneurysm; EVAR, endovascular aortic repair.