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How to plan an Overlap Free Projection on CTA or fluoroscopy to facilitate quantitative analysis

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1. Department of Cardiology, Royal Perth Hospital; 2. Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands; 3. Department of Cardiology, St. Antonius Hospital, Nieuwegein, The Netherlands; 4. Department of Cardiology, Fiona Stanley Hospital, Perth, Australia; 5. Royal Perth Hospital Campus, University of Western Australia, Cardiology, AUSTRALIA

Abstract

Aims: Assessment of para-valvular aortic regurgitation remains challenging. Quantitative video-densitometry is an effective technique however overlap of the aorta and left ventricle (LV) limits feasibility. We aimed to develop and validate a method to determine an 'Overlap Free Projection' (OFP).

Methods and results: 65 computed tomograp…

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