Reducing radiation dose in paediatric interventional cardiac catheterisation

In plain language

In paediatric cardiac catheterisation, introducing a modified dose-reduction protocol was followed by 46 to 74% lower patient air kerma. Staff dose was not measured, though lower patient dose generally means less scatter for the fluoroscopy team.

At a glance

Type of study: Original research, Retrospective cohort study
Who was studied: Patients
Topics: Patient dose Dose reduction techniques Training and education
Summary based on: the abstract

What it found

After a modified radiation safety protocol, patient dose fell by 46 to 74% across common paediatric interventional procedures.
Key figures: 46 to 74% reduction
Median air kerma for atrial septal defect closure fell from 48.4 mGy to 18.75 mGy; supraventricular tachycardia ablation fell from 12.9 to 3.3 mGy.
Key figures: 48.4 to 18.75 mGy (ASD); 12.9 to 3.3 mGy (SVT ablation); p < 0.05
Ventricular septal defect closure had the highest dose and longest fluoroscopy time in the low-dose group.
Key figures: median air kerma 62.5 mGy; dose-area product (DAP) 364.7 μGy.m2; 21.5 μGy.m2/kg; fluoroscopy time 9.9 minutes

Limits to keep in mind

Before-after comparison of a retrospective historical group with a prospective group, single programme, with protocol details and sample size not given in the abstract. Only patient dose was measured, not staff dose.

Radiation Awareness for EVAR in Hybrid Operating Room: An Instant Operator Risk Chart (2021, Dosimetry measurement study)
Reducing radiation exposure during procedures performed in the electrophysiology laboratory (2017, Retrospective cohort study)
Near zerO fluoroscopic exPosure during catheter ablAtion of supRavenTricular arrhYthmias: the NO-PARTY multicentre randomized trial (2015, Randomized trial)
Statewide Initiative to Reduce Patient Radiation Doses During Percutaneous Coronary Intervention (2024, Retrospective cohort study)
Implementation of a near-zero fluoroscopy approach in interventional electrophysiology: impact of operator experience (2018, 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.