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Table 1 Baseline imaging features and treatment approaches

From: Endovascular flow-diversion of visceral and renal artery aneurysms using dual-layer braided nitinol carotid stents

Patient

Indication

Size and morphology

Aneurysm close to major branch to be preserved

Tortuosity

Wide neck

Techniques

Complications

Follow up

1

Splenic artery aneurysm > 2 cm

39 mm, bilobed

Yes

Severe

Yes

CASPER 9x30mm and coil embolization of aneurysm sac

No

Complete occlusion at 19 months on Doppler ultrasound

2

Two splenic artery aneurysms > 2 cm in post liver transplant patient

Distal 25 mm, saccular, proximal 28 mm sidewall aneurysm

No

Moderate

Yes

CASPER 7x30mm (distal) and coil embolization (proximal) – some concerns with initial stent deployment

No

Complete occlusion on CTA at 13 months post the initial treatment following delayed procedure with deployment of an additional CASPER

3

Splenic artery aneurysm > 2 cm

28 mm, bilobed

No

Severe

Yes

CASPER 8x40mm and coiling of medial branch vessel

Infected splenic infarct resulting in open splenectomy

4

Renal artery aneurysm > 1.5 cm

31 mm, right renal artery aneurysm

Yes

Mild

Yes

CASPER 9x30mm

No

Reduced size, partially thrombosed on 2 month CTA.

Complete aneurysm thrombosis at 12 months ultrasound

5

Renal artery aneurysm > 1.5 cm

24 mm, left renal artery bifurcation aneurysm

Yes

Mild

Yes

CASPER 7x18mm

No

Partial sac thrombosis at 12 month CTA

Maximum diameter of flowing component reduced from 24 to 15 mm.

6

Renal artery aneurysm > 1.5 cm

49 mm, right renal artery bifurcation aneurysm

Yes

Mild

Yes

CASPER 7 × 25 mm and Onyx HD-500

No

Complete thrombosis of aneurysm sac on CTA at 3 months