Research summary, original research, 2016

Radiation dose reduction during transjugular intrahepatic portosystemic shunt implantation using a new imaging technology

Spink C, Avanesov M, Schmidt T, Grass M, Schoen G, Adam G, et al.. European journal of radiology. 2016

Read the original paper

In plain language

In 108 patients undergoing transjugular intrahepatic portosystemic shunt (TIPS) at one centre, an imaging-processing upgrade roughly halved patient radiation dose with similar fluoroscopy time and image quality. Staff dose was not measured, though lower patient dose usually means less scatter for the fluoroscopy team.

At a glance

Type of study
Original research, Retrospective cohort study
Who was studied
Patients
Size
n = 108 patients
Summary based on
the abstract

What it found

  • Mean dose area product fell by 57% after the imaging-processing technology upgrade.

    Key figures: 402.8 vs. 173.3 Gycm2, p<0.001

  • Mean cumulative air kerma fell by 58%.

    Key figures: 1.7 vs. 0.7 Gy, p<0.001

  • Fluoroscopy time and contrast volume did not differ between groups.

    Key figures: 26.4 vs. 27.8 min, p=0.45; 109.4 vs. 114.9 ml, p=0.62

  • Digital subtraction angiography (DSA) image quality was not inferior with the new technology.

    Key figures: 2.66 vs. 2.77, p=0.56

Limits to keep in mind

Retrospective single-centre before-after comparison of 108 patients; only patient dose was measured, so effects on staff dose are inferred rather than shown.

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.