In plain language
In 38 atrial flutter ablations, halving the fluoroscopy frame rate to 3.75 frames per second was linked to markedly lower operator eye, body and hand dose rates and lower patient dose, without longer procedures. These are dose measurements, not health outcomes.
At a glance
- Type of study
- Original research, Prospective cohort study
- Who was studied
- Electrophysiologists, Patients
- Size
- n = 38 patients
- Summary based on
- the abstract
What it found
Low-dose fluoroscopy at 3.75 frames per second reduced operator exposure by a mean of 90% compared with standard settings.
Key figures: mean 90% reduction
Operator eye-lens, whole-body and hand skin dose rates were significantly lower in the low-dose group than in the standard-dose group.
Key figures: eye lens 4.7±2.9 μSv/h; whole body 1.6±1.2 μSv/h; hand 11.1±10.8 μSv/h; P<0.001
Patient dose rate was lower with the low-dose setting than with standard or collimated settings.
Key figures: 0.7±0.4 Gy/h vs 1.7±0.5 Gy/h (standard) and 1.8±0.5 Gy/h (collimated); P<0.01
Procedure time did not differ between the three fluoroscopy setting groups.
Limits to keep in mind
Small single-procedure-type sample (38 patients, almost all men) with non-randomized group allocation not described; the abstract contains an apparently contradictory statement about no differences in radiation exposure, and the country is not reported.
Related research summaries
- Radiation Exposure, Training, and Safety in Cardiology (2024, Narrative review)
- Radiation-Induced Noncancer Risks in Interventional Cardiology: Optimisation of Procedures and Staff and Patient Dose Reduction (2013, Narrative review)
- Patient And Staff Doses In Paediatric Interventional Cardiology Derived From Experimental Measurements With Phantoms (2015, Phantom or simulation study)
- Radiation protection practices in diagnostic and interventional cardiology: Position paper from Portuguese Association of Interventional Cardiology (2025, Guideline or consensus statement)
- Radiation Protection in Interventional Radiology (2022, Narrative review)
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.