P01 Heartflow: experience of a high-volume district general hospital

IntroductionHeartFlow is a non-invasive technique for estimating fractional flow reserve (FFRCT) from computer tomography coronary angiography (CTCA). HeartFlow has been made available via an NHS England funded program since September 2018 and is now fully embedded within our stable chest pain pathway. The aim of this work was to evaluate the impact of HeartFlow, which replaced previous practice of stress testing for patients with moderate coronary lesions, and invasive angiography for those with severe stenoses on CTCA.MethodsWe reviewed 360 consecutive patients who underwent CTCA and FFRCT between September 2018 and June 2019. CT coronary angiograms and HeartFlow models were read by a cardiologist and radiologist. Clinical records of all patients were reviewed.ResultsAll patients referred for FFRCT had coronary stenoses greater than 50%. 72% had FFRCT≥0.8 and were discharged. 26% had FFRCT