Table 1

Median kerma area product and patient age and weight (interquartile range) for procedures used in risk estimations

Procedure typeSample sizeKerma area product (Gy cm²)Patient age (years)Patient weight (kg)
ASD occlusion4351.7 (0.7–4.6)6.2 (4.1–10.3)21.3 (16.5–35.1)
PDA occlusion8901.3 (0.7–3.0)1.8 (1.0–3.9)10.8 (8.1–15.6)
Pulmonary valvuloplasty3161.3 (0.6–3.0)0.5 (0.1–2.1)7.1 (4.3–12.2)
Aortic valvuloplasty1652.0 (0.7–6.2)0.9 (0.2–11)9.2 (4.5–41.4)
PA balloon/stent3516.9 (2.9–14.7)4.2 (1.6–9.8)15.4 (9.9–27.3)
Coarctation balloon/stent2072.9 (1.4–10.6)3.4 (0.4–12.7)15.4 (6.2–44.5)
EPS/RFA7164.3 (1.5–12)14.1 (11.7–15.9)53.8 (41.4–64.0)
Heart biopsy3820.8 (0.4–1.9)12.3 (4.2–15.1)32.9 (15.5–49.2)
Coronary angiography6754.8 (2.4–10.8)11.7 (6.9–14.9)37.0 (22.0–52.0)
Valve replacement3832.2 (26.2–61.2)14.8 (11.5–16.9)45.0 (33.2–56.7)
Pacemaker procedures2461.2 (0.4–3.2)13 (8.9–15.8)40.8 (25.9–57.5)
Atrial septostomy1531.0 (0.3–2.5)0.1 (0.0–2.9)5.4 (3.5–15.1)
  • ASD, atrial septal defect; EPS, electrophysiology study; PA, pulmonary artery; PDA, patent ductus arteriosus; RFA, radiofrequency ablation.