Radiation Safety In The Cardiac Catheterization Lab: A Time Series Quality Improvement Initiative

At a glance

Type of study

Original research

Who was studied

Interventional cardiologists, Patients

Topics

Dose reduction techniquesTraining and educationPatient doseSafety culture and compliance

Summary based on

the abstract

What it found

• Introducing a new lab with dose-reduction software (AlluraClarity) was followed by a large drop in the frequency of PCI procedures exceeding 1.5 Gy.

  Key figures: 91% reduction, p<0.05

• Educational strategies (information sessions, online modules, policies, posters) had limited impact on reducing radiation exposure.

• Process measures showed collimation use rose slightly, magnification use fell, and 62% completed online modules.

  Key figures: collimation 95.0% to 98.0%; magnification 20.0% to 14.0%; module completion 62%

• Case volume and fluoroscopy time did not change significantly, suggesting the dose reduction was not due to fewer or shorter procedures.

Limits to keep in mind

Single-institution time series without a control group, so software effect is confounded with the new lab; outcome is patient procedure dose, not measured staff dose, and sample size is not reported in the abstract.

Related research summaries

• Radiation protection practices in diagnostic and interventional cardiology: Position paper from Portuguese Association of Interventional Cardiology (2025, Guideline or consensus statement)
• Radiation Exposure, Training, and Safety in Cardiology (2024, Narrative review)
• Radiation safety program for the cardiac catheterization laboratory (2011, Guideline or consensus statement)
• AAPM Medical Physics Practice Guideline 12.a - Fluoroscopy Dose Management (2022, Guideline or consensus statement)
• Cardiology fellows-in-training are exposed to relatively high levels of radiation in the cath lab compared with staff interventional cardiologists, insights from the RECAP trial (2019, Dosimetry measurement study)