Published online Sep 9, 2023. doi: 10.5409/wjcp.v12.i4.230
Peer-review started: May 17, 2023
First decision: July 4, 2023
Revised: July 12, 2023
Accepted: August 9, 2023
Article in press: August 9, 2023
Published online: September 9, 2023
There is evolving role of computed tomography coronary angiography (CTCA) in non-invasive evaluation of coronary artery abnormalities in children with Kawasaki disease (KD). Despite this, there is lack of data on radiation dose in this group of children undergoing CTCA.
There is paucity of literature on radiation exposure in children with KD undergoing CTCA for coronary artery assess
To estimate the radiation dose exposure in children with KD undergoing CTCA for coronary artery assessment.
Children with KD who underwent CTCA were either at presentation or on regular follow were included in the analysis. System generated radiation exposure dose length product (DLP in milligray-centimeters-mGy.cm) was recorded and effective radiation dose (millisieverts-mSv) was calculated by applying age adjusted conversion factors.
Total 85 children with median age of 5 years were scanned. Mean effective radiation dose was 0.83 mSv with radiation exposure significantly lower in infants (0.63 mSv) as compared to other age groups. CTCA demonstrated coronary artery abnormalities along the entire course of coronary arteries.
CTCA is feasible with submillisievert radiation dose in most children with KD.
CTCA has the potential to be an important adjunctive imaging modality in children with KD. To confirm our results multicentric study with larger sample size would be required.