Pretranscatheter aortic valve replacement-CT angiography safely deferred the need for invasive coronary angiography in 53% of patients, according to a study published May 21 in Circulation: Cardiovascular Interventions.
Led by researchers from the Minneapolis Heart Institute Foundation, the study analyzed data from 1,165 patients who underwent pretranscatheter aortic valve replacement-CT angiography and invasive coronary angiography to rule out obstructive coronary artery disease between 2017 and 2022.
Here are four notes on the findings:
- Of the 1,165 patients, 464 underwent preTAVR-CTA and 701 underwent ICA. Both groups had similar prevalence of obstructive coronary artery disease.
- Fifty-three percent of patients were exempted from further ICA after preTAVR-CTA due to the absence of obstructive coronary artery disease, 17% had inconclusive preTAVR-CTA interpretation, 15% requested ICA despite coronary artery disease exclusion by preTAVR-CTA, and 14% had obstructive coronary artery disease requiring further ICA.
- Revascularization, acute coronary syndrome and unplanned ICA one year after transcatheter aortic valve replacement were all low and not different between patients who underwent preTAVR-CTA versus ICA.
- “This approach could have important clinical implications to improve patient access, experience, value and throughput,” the study authors wrote.
Read the full study here.
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