Non-ECG-gated high-pitch CT angiography versus hybrid ECG-gated CT angiography for aorta using 512-slice CT: comparison of image quality and radiation dose.
Jimin LeeYeon-Joo JeongGeewon LeeChang Won KimJin You KimNam Kyung LeeHan Cheol LeeJi Won LeePublished in: Acta radiologica (Stockholm, Sweden : 1987) (2022)
The non-ECG-gated high-pitch technique shows significantly improved CNR and SNR due to reduced noise with lower radiation exposure. The interpretability of the cardiac structure, ascending aorta, aortic valve, and both ostia did not differ significantly between the two groups.
Keyphrases
- image quality
- aortic valve
- transcatheter aortic valve replacement
- computed tomography
- transcatheter aortic valve implantation
- aortic valve replacement
- heart rate variability
- heart rate
- aortic stenosis
- dual energy
- pulmonary artery
- air pollution
- blood pressure
- positron emission tomography
- coronary artery
- heart failure
- pulmonary arterial hypertension