Reduction of contrast medium for transcatheter aortic valve replacement planning using a spectral detector CT: a prospective clinical trial.
Isabel L LangenbachMarcel C LangenbachThomas MayrhoferBorek FoldynaDavid MaintzKonstantin KleinHendrik WienemannKathrin B KrugMartin HellmichMatti AdamClaas P NaehlePublished in: European radiology (2023)
• Patients undergoing transcatheter aortic valve replacement (TAVR), requiring pre-interventional CT, are often multimorbid with impaired renal function. • Using a spectral detector dual-layer CT, contrast medium reduction to 40 mL is feasible, maintaining diagnostic image quality. • The additional application of virtual monoenergetic image reconstructions with 40 keV improves vessel attenuation significantly in clinical practice.
Keyphrases
- image quality
- transcatheter aortic valve replacement
- dual energy
- computed tomography
- aortic stenosis
- aortic valve
- contrast enhanced
- clinical trial
- patients undergoing
- clinical practice
- magnetic resonance
- magnetic resonance imaging
- optical coherence tomography
- deep learning
- positron emission tomography
- randomized controlled trial
- left ventricular
- study protocol
- pet ct