Research summary, original research, 2017

Noise reduction angiographic imaging technology reduces radiation dose during bronchial artery embolization

Spink C, Avanesov M, Schmidt T, Grass M, Schoen G, Adam G, et al.. European journal of radiology. 2017

Read the original paper

In plain language

In 70 patients undergoing bronchial artery embolization, a noise reduction imaging upgrade cut patient dose indices by about 60% with similar image quality. Staff dose was not measured, though lower patient dose generally means less scatter to the fluoroscopy team.

At a glance

Type of study
Original research, Retrospective cohort study
Who was studied
Patients
Size
n = 70 patients
Summary based on
the abstract

What it found

  • Dose area product fell by 59% after the noise reduction imaging upgrade.

    Key figures: 149.2 (103.1-279.1) vs. 54.8 (38.2-100.7) Gy*cm2, p<0.001

  • Cumulative air kerma fell by 60% after the upgrade.

    Key figures: 1.3 (0.6-1.9) vs. 0.5 (0.3-0.9) Gy, p<0.001

  • Image quality did not differ between groups.

    Key figures: 3 (2,3) vs. 3 (2-4), p=0.64

  • Fluoroscopy time, exposure frames and contrast volume did not differ significantly.

    Key figures: 28.8 vs. 28.1 min, p=0.73

Limits to keep in mind

Single-centre retrospective before-after comparison of 70 patients; only patient dose indices were measured, so any effect on staff dose is 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.