Multicenter Assessment of Radiation Exposure during Pediatric Cardiac Catheterizations Using a Novel Imaging System

Table 5

Study cohort median radiation exposure parameters and interquartile range (IQR) stratified by intervention type.

Intervention	N	Air Kerma (mGy) from both planes		DAP (μGy m^2) from both planes		DAP/kg (μGy m^2/kg) from both planes		Fluoroscopy time (min) from both planes		Fraction Air Kerma from fluoroscopy
		Median	IQR	Median	IQR	Median	IQR	Median	IQR	Median	IQR
ASD closure	58	24	12–83	229	93–990	9.0	5–23	12	8–19	0.8	0.61–0.96
PDA closure	109	27	17–45	135	75–253	15	9–24	13	9–19	0.5	0.35–0.59
Balloon dilation pulmonary valve	45	29	11–47	116	47–326	21	11–31	16	10–21	0.4	0.2–0.52
Balloon dilation aortic valve	25	65	33–152	394	136–1601	34	17–53	15	12–28	0.4	0.15–0.46
Coarctation intervention	46	101	34–386	598	176–2649	45	22–90	19	11–27	0.4	0.2–0.44
Transcatheter pulmonary valve	17	889	539–1425	9869	6850–16616	197	153–249	51	30–62	0.5	0.26–0.68