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Cardiac Radioablation: How Medical Physicists Can Shape the Future?

M De Riva Silva1*, S Lydiard2*, A Deisher3*, (1) Leiden University Medical Center, Leiden, NL, (2) University of Sydney, Tauranga, North Island, NZ, (3) Mayo Clinic, Rochester, MN

Presentations

3:30 PM Cardiac Radioablation Research and Development Needs at the Juncture of Electrophysiology and Radiation Therapy - M De Riva Silva, Presenting Author
3:47 PM Research Opportunities from Academia: A Summary of the State-of-the-art Cardiac Radioablation Medical Physics Research and Future Opportunities - S Lydiard, Presenting Author
4:04 PM Open Questions in the Radiobiology of Cardiac Radioablation and the Promise of Particle Therapy - A Deisher, Presenting Author
4:21 PM Q&A - P Keall, Presenting Author

WE-E-TRACK 5-0 (Wednesday, 7/28/2021) 3:30 PM - 4:30 PM [Eastern Time (GMT-4)]

The stellar clinical results of the early clinical applications of cardiac radioablation¹⁻³ mirror the enthusiasm for the early applications of lung cancer SABR that has now demonstrated efficacy compared with surgery and conventional radiotherapy in phase III trials.⁴⁻⁵ Lung SABR is now a mainstream treatment. In order for cardiac radioablation to navigate the path from early adopters to the mainstream, the enthusiasm for the broader implementation must be accompanied by multidisciplinary education, clinical evidence and practice guidelines to maximize patient safety and procedure efficacy. There are many opportunities for imaging and therapy medical physicists to contribute to the development of new and better technology to image, target and monitor treatment response. This symposium will cover:
• Cardiac radioablation R&D needs at the juncture of electrophysiology and radiation therapy
• Research opportunities from academia: A summary of the state-of-the-art cardiac radioablation medical physics R&D opportunities, including cardiac imaging and gating
• Open questions in the radiobiology of cardiac radioablation and the promise of particle therapy
• The challenges and opportunities to contribute to improved cardiac radioablation patient treatments and outcomes

Learning objectives
1. To understand electrophysiology and radiobiology relevant to a medical physicist planning to implement cardiac radioablation
2. To learn the current technology approaches implemented for cardiac radioablation
3. To appreciate the future opportunities for medical physicists to define cardiac radioablation practice

References
1. Cuculich. New England Journal of Medicine 2017.
2. Robinson. Circulation 2019
3. van der Ree. Heart Rhythm 2020
4. Chang. Lancet Oncology 2015
5. Ball. Lancet Oncology 2019

Funding Support, Disclosures, and Conflict of Interest: PK's conflicts are updated and publicly disclosed at: https://image-x.sydney.edu.au/home/disclosures/

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