Research summary, original research, 2012

Radiation Dose And Image Quality Of X-Ray Volume Imaging Systems: Cone-Beam Computed Tomography, Digital Subtraction Angiography And Digital Fluoroscopy

Paul J, Jacobi V, Farhang M, Bazrafshan B, Vogl TJ, Mbalisike EC. European radiology. 2012

Read the original paper

In plain language

In 126 patients imaged on three generations of X-ray volume imaging systems, the newest system gave lower patient dose and better image quality for cone-beam computed tomography (CT), digital subtraction angiography (DSA) and fluoroscopy. Staff dose was not measured.

At a glance

Type of study
Original research, Retrospective cohort study
Who was studied
Patients
Size
n = 126 patients
Summary based on
the abstract

What it found

  • Recent-generation XVI systems delivered lower mean dose-area product (DAP) and skin entry dose than earlier systems for cone-beam computed tomography (CBCT), DSA and digital fluoroscopy.

  • Image noise differed significantly among system generations.

    Key figures: P < 0.05

  • The newest system showed significantly higher CNR and SNR than previous versions.

  • Dose reduction was attributed to technological advances and fewer frames.

  • Hounsfield units did not differ between groups except at the hepatic artery.

Limits to keep in mind

Retrospective single-comparison of patient groups across system generations with only 42 patients per group; only patient dose was measured, not staff dose, and numeric results are not given in the abstract.

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.