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Table 3 Results overview

From: Endograft position and endoleak detection after endovascular abdominal aortic repair with low-field tiltable MRI: a feasibility study

 

MRI findings

pt

Type (E/A)

Age (years)

Reason for CTA

CTA findings

Supine (MR0)

Upright (MR81)

1

E

0.3

Status after EVAR, possible endoleak seen on CDUS

No endoleak and unchanged aneurysm dimensions

No endoleak ( =)

No endoleak ( =)

2

E

11.8

Growth on CDUS follow-up, type II suspicion

Type II endoleak from a right LA

Right LA visible ( =), between LA and proximal side of fabric less apposition ( +), type Ia endoleak

Right LA visible ( =), between LA and proximal side of fabric less apposition ( +), type Ia endoleak

3

E

4.4

Status after EVAR and type II embolisation from IMA, growth and flow outside prosthesis on CDUS

Aneurysm sac growth by type II endoleak after two prior embolisations

Type II outside FOV ( −), less apposition dorsal left ( +)

Not assessable ( −)

4

E

2.1

Growth on CDUS, possible endoleak

Large type II endoleak from IMA and an LA

Both endoleaks from IMA and LA outside FOV, no flow visible in sac ( −)

Both endoleaks from IMA and LA outside FOV, no flow visible in sac ( −)

5

E

1.1

Follow-up after EVAR, known occlusion AFS right, aneurysm growth (pseudoaneurysm)

Unchanged diameters aneurysm sac, no indication for endoleak

No endoleak ( =)

No endoleak ( =)

6

A

1.6

Growth on CDUS, possible type Ia endoleak

Type II endoleak from two LAs

Both LAs visible ( =)

Both LAs visible ( =)

7

A

2.6

Growth on CDUS with known endoleak, possible type II

Growth by type II endoleak

Not assessable ( −)

Not assessable ( −)

8

A

9.0

Status after embolisation of two LAs, now growth on non-contrast CTA

Unchanged aneurysm sac dimensions, persistent type II endoleak from an LA

Left LA connection with sac visible ( =)

No LA visible ( −)

9

A

5.3

Growth on CDUS with flow in aneurysm

Type II endoleak from an LA

No LA visible ( −)

No LA visible ( −)

10

A

8.4

After prior LA embolisations, still growth on CDUS

Aneurysm growth based on endoleak type II from an LA

No LA visible ( −)

LA visible ( =)

  1. Observations for both MRI0 and MRI81 in relation to the CTA findings are reported in the last column. Agreement of MRI findings with CTA is depicted by ( =), whereas agreement plus additional findings is noted with ( +) and no agreement with ( −). FOV Field of view, IMA Inferior mesenteric artery, LA Lumbar artery