Research summary, original research, 2019

Fusion Imaging to Guide Thoracic Endovascular Aortic Repair (TEVAR): A Randomized Comparison of Two Methods, 2D/3D Versus 3D/3D Image Fusion

Barral PA, Demasi-Jacquier MA, Bal L, Omnes V, Bartoli A, Piquet P, et al.. Cardiovascular and interventional radiology. 2019

Read the original paper

In plain language

In a small randomized trial of 32 thoracic endovascular aortic repair (TEVAR) patients, 3D/3D image fusion gave more accurate guidance and about half the dose area product and contrast volume of 2D/3D fusion. Staff dose was not measured, though lower dose-area product (DAP) usually means less scatter.

At a glance

Type of study
Original research, Randomized trial
Who was studied
Patients
Size
n = 32 patients
Summary based on
the abstract

What it found

  • 3D/3D image fusion roughly halved dose area product compared with 2D/3D fusion during TEVAR.

    Key figures: 50.5 ± 30.1 Gy cm2 vs 99.5 ± 79.1 Gy cm2; p = 0.03

  • 3D/3D fusion positioned the aortic mask more accurately at the proximal landing zone.

    Key figures: 1.7 ± 3.3 mm vs 6.1 ± 6.1 mm; p = 0.03

  • Contrast volume was lower with 3D/3D fusion.

    Key figures: 50.6 ± 22.9 ml vs 98.4 ± 47.9 ml; p = 0.002

Limits to keep in mind

Small single-center randomized trial (32 patients) with unequal groups; only patient DAP was reported, with no direct staff dosimetry.

How this summary was made

ORSIF prepared this summary with AI assistance from the abstract of the paper. A program then checked that the passage supporting each finding appears word for word in that source. A person has not yet reviewed each summary, so read the original before relying on a number. ORSIF summarizes research and does not endorse any product or company. Report a problem with this summary.

Prepared November 3, 2026.