Establishing updated diagnostic reference levels for interventional radiology: a national Italian survey incorporating procedure complexity indices - Part II: interventional neuroradiology

In plain language

Across 20 Italian hospitals, updated patient dose reference levels for cerebral angiography, aneurysm embolization and thrombectomy were set and stratified by procedure complexity. These are patient dose benchmarks, not measurements of dose to the fluoroscopy team.

At a glance

Type of study: Original research, Dosimetry measurement study
Who was studied: Patients
Size: n = 20 hospitals
Where: Italy
Topics: Patient dose Regulation and policy Dosimetry and monitoring
Summary based on: the abstract

What it found

Updated national diagnostic reference level (DRL) for cerebral angiography, stratified by complexity.
Key figures: 191 Gy.cm2 overall (71 Gy.cm2 simple, 117 Gy.cm2 medium, 198 Gy.cm2 complex)
Updated national DRL for embolization of cerebral aneurysms, stratified by complexity.
Key figures: 252 Gy.cm2 overall (136 Gy.cm2 simple, 174 Gy.cm2 medium, 268 Gy.cm2 complex)
Updated national DRL for mechanical thrombectomy, stratified by complexity.
Key figures: 169 Gy.cm2 overall (71 Gy.cm2 simple, 132 Gy.cm2 medium, 169 Gy.cm2 complex)
A complexity score was built from clinical and technical factors using generalized linear regression on log-transformed kerma-area product (PKA) data.

Limits to keep in mind

Only patient dose indices were collected, with no staff dose measured; the abstract does not report the number of procedures analysed, and the 20 participating hospitals with varying equipment may not represent all Italian centers.

Two Central Nervous System Tumors in One Catheter Lab: Time to Rethink Radiation Protection (2026, Retrospective cohort study)
[The Multicenter Radiation Dose Survey for Catheter Ablation of Arrhythmia: Actual Conditions and Technique-specific Comparison after the DRLs 2020 Revision] (2026, Retrospective cohort study)
Radiation dose reference levels for the most common image-guided interventional cardiac electrophysiology and pacing procedures: a French multicentre survey (2026, Cross-sectional survey)
Investigation Of Reference Levels And Radiation Dose Associated With Abdominal EVAR (Endovascular Aneurysm Repair) Procedures Across Several European Centres (2017, Retrospective cohort study)
Patient dose in interventional radiology: a multicentre study of the most frequent procedures in France (2017, Retrospective cohort study)

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.