Dr. Joost Daemen

Advanced Invasive Coronary Imaging

Dr. Joost Daemen, MD, PhD is a senior interventional cardiologist at the Thoraxcenter, Erasmus University Medical Center, Rotterdam, The Netherlands. In 2005, he finished medical school at the Erasmus University Rotterdam. Between 2005 and 2008 he completed a PhD project entitled “The caveats of drug-eluting stents – a critical appraisal of the safety concerns”. After obtaining his PhD Cum Laude, he commenced his clinical training and interventional cardiology training at the Thoraxcenter in Rotterdam and partly at Inselspital in Bern, Switzerland.


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At present (2020), Dr. Daemen is participating in cathlab-related activities including complex PCI like the use of left ventricular assist devices, intracoronary imaging, cardiac physiology, and structural heart interventions including TAVI, Mitraclip and renal sympathetic denervation. Next to his clinical activities Dr. Daemen is highly active in cardiovascular research with a specific focus on intracoronary imaging and physiology, co-authored over 200 peer reviewed publications and is a fellow of the European Society of Cardiology (FESC).



Dr. Claire Ben Ren


Dr. Claire Ben Ren MD, PhD, is an imaging physician specialized in echocardiography in structural heart disease. She works in the interventional cardiology department of the Thoraxcenter, Erasmus Medical Center, since October 2014. Dr. Ren is mainly involved in echocardiography imaging in patients undergoing transcatheter heart valve interventions. She joined Cardialysis in 2014 and since July 2019, she is the Echo Core Lab Supervisor.

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Back in 2010, Dr. Ren graduated from the West China School of Medicine, Chengdu, China. While completing her training on transthoracic and transoesophageal echocardiography in the Cardiology Department of the West China Hospital, her research master focused on 3D echocardiography in aortic valve annulus quantification. She was awarded her PhD diploma in Cardiology at the Thoraxcenter, Erasmus Medical Center on 3D echocardiography for left ventricular function, mitral regurgitation and left atrial function and has authored 50+ articles in peer reviewed journals.



Dr. Victoria Delgado

Multi-modality, Non-invasive Imaging

Dr. Victoria Delgado is a senior cardiologist, head of the cardiovascular imaging department at the University Hospital Germans Trias i Pujol with specific focus on multimodality imaging. She has served as councilor of the ESC board from 2020-2022, twice as councilor of the European Association of Cardiovascular Imaging, one of the terms as chair of the Scientific documents, member of the EURObservational Research Programme (EORP) and committee of the Clinical practice Guidelines. She is Associate Editor of Circulation.

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Dr. Delgado completed her medical studies at the University of Barcelona and her cardiology training at Hospital Clinic, University of Barcelona. She was awared a PhD at the University of Leiden on novel cardiac imaging technologies and their implication in clinical decision making. She completed the "Women Transforming Leadership Program" at the Universityof Oxford. Dr. Delgado is member of the Spanish Society of Cardiology and the Dutch Society of Cardiology, and Associate Editor or Member of the Editorial Board of various prestigious cardiology journals. She co-supervised 20+ PhD students and has occupied important roles within the European Society of Cardiology and the European Association of Cardiovascular Imaging (EACVI). Dr. Delgado is the President Elect of EACVI (2022-2024). Dr. Delgado has authored 800+ articles in peer reviewed journals.



Prof. Dr. Nicolas M. Van Mieghem

Advanced Structural Heart Imaging

Prof. Nicolas Van Mieghem obtained his medical degree and cardiology degree at the Catholic University of Leuven, Belgium. After subsequent fellowships in interventional cardiology at the Oost-Limburg Hospital in Genk, Belgium, the Lenox Hill Hospital, New York, USA, and the Erasmus Medical Center, Rotterdam, the Netherlands in February 2010, he joined the Department of Interventional Cardiology at the Thoraxcenter, Erasmus MC as a staff member. In 2019, he was appointed Full Professor of Interventional Cardiology.

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He is involved in the percutaneous coronary interventions program and has a particular focus on transcatheter heart valve interventions. Prof. Van Mieghem obtained his PhD around that same topic. So far, he published and co-authored over 350 scientific papers in peer-reviewed journals. Prof. Van Mieghem has been a Steering Committee member in multiple ongoing international trials evaluating various trans catheter valve technologies. Prof. Van Mieghem is a Fellow of the European Society of Cardiology (FESC) and currently Medical Director of the Department of Interventional Cardiology at the Thoraxcenter, Erasmus MC, Rotterdam.



Dr. Dietrich Beitzke

Coronary Computed Tomography Angiography & Magnetic Resonance Imaging

Dr. Dietrich Beitzke obtained his medical degree at the Medical University of Graz, Austria. After a general medical education in Graz and his residency in radiology in Graz and Vienna he became board certified radiologist in 2014. Since then he acts head of the cardiovascular MR Unit at the Medical University of Vienna.


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In clinical routine Dr. Beitzke covers the whole spectrum of non-invasive Cardiovascular Imaging by CT, CMR and hybrid imaging. His scientific focus is on vascular inflammation and non-invasive imaging in the follow up after cardiac transplant. Dr. Beitzke has published and co-authored 60+ papers in peer reviewed journals in the field of cardiology and radiology. Currently he is head of the cardiovascular subgroup committee of the Austrian Roentgen Society.



Dr. Ernest Spitzer

Medical Director

Dr. Ernest Spitzer is a cardiologist trained in Zaragoza, Spain, with focus on cardiovascular research. Before joining Cardialysis in 2014, he completed advanced training in cardiovascular imaging in Vienna, Austria, and a research fellowship in interventional cardiology in Bern, Switzerland. Since February 2020, Dr. Spitzer is Medical Director at Cardialysis collaborating closely with the Core Lab supervisors, and involved in analysis approval for echocardiography, cardiac magnetic resonance imaging, and aortic valve imaging. 

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Dr. Spitzer graduated in 2004 with summa cum laude from the Catholic University of Saint Mary, Arequipa, Peru, and served two years at the Peruvian Armed Forces. He completed his cardiology training at the University Hospital Miguel Servet, Zaragoza, Spain. He has been recognized with a research fellowship from the European Association of Percutaneous Cardiovascular Interventions of the European Society of Cardiology and a research fellowship from the Spanish Society of Cardiology. In 2014, he completed a 4-year master program in statistics and research methodology at the Autonomous University of Barcelona. He has contributed with 50+ articles in peer-reviewed journals and is Board Member of the Academic Research Consortium since March 2019.