The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

Computer-based prediction of coronary artery compression in the planning of transcatheter pulmonary valve implantation.

DOI: 10.4244/EIJ-D-20-01114

1. Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milano, Italy; Department of Paediatric Cardiology and Adult Congenital Heart Disease, IRCCS Policlinico San Donato, San Donato Milanese, Italy
2. Department of Electronics, Information and Bioengineering, Politecnico di Milano, Italy, Italy
3. Division of Cardiology, Department of Medicine, Università degli Studi di Verona, Verona, Italy
4. Department of Paediatric Cardiology and Adult Congenital Heart Disease, IRCCS Policlinico San Donato, San Donato Milanese, Italy
5. 3D and Computer Simulation Laboratory, IRCCS Policlinico San Donato, San Donato Milanese, Italy
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A 40-year old man, with a previous Ross procedure, presented with severe stenosis of a pulmonary homograft and was considered for transcatheter pulmonary valve implantation (TPVI). Three-dimensional (3D) anatomical reconstruction from pre-operative computer tomography (CT) revealed a left coronary artery (LCA) in close proximity (3.3 mm) with the oval-shaped homograft (Figure 1A), while angiographic inspection confirmed coronary patency (Figure 1B, Online video 1). To investigate the risk of LCA compression, a life-threatening TPVI complication, we exploited a CT-based patient-tailored finite element (FE) analysis (1) (Figure 1A).

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