BackgroundContinuing medical education in stereotactic technology are scarcely accessible in developing countries. We report the results of upscaling a longitudinal telehealth training course on stereotactic body radiation therapy (SBRT) and stereotactic radiosurgery (SRS), after successfully developing a pilot course in Latin America.MethodsLongitudinal training on SBRT and SRS was provided to radiation oncology practitioners in Peru and Colombia at no cost. The program included sixteen weekly 1-hour live conferencing sessions with interactive didactics and a cloud-based platform for case-based learning. Participant-reported confidence was measured in 16 SBRT/SRS practical domains, based on a 1-to-5 Likert scale. Pre- and post-curriculum exams were required for participation credit. Knowledge-baseline, pre- and post-curriculum surveys, overall and single professional-group confidence changes, and exam results were assessed.ResultsOne hundred and seventy-three radiotherapy professionals participated. An average of 56 (SD ±18) attendees per session were registered. Fifty (29.7%) participants completed the pre- and post-curriculum surveys, of which 30% were radiation oncologists (RO), 26% radiation therapists (RTT), 20% residents, 18% medical physicists and 6% neurosurgeons. Significant improvements were found across all 16 domains with overall mean +0.55 (SD ±0.17, p<0.001) Likert-scale points. Significant improvements in individual competences were most common among medical physicists, RTT and residents. Pre- and post-curriculum exams yielded a mean 16.15/30 (53.8 ± 20.3%) and 23.6/30 (78.7 ± 19.3%) correct answers (p<0.001).ConclusionLongitudinal telehealth training is an effective method for improving confidence and knowledge on SBRT/SRS amongst professionals. Remote continuing medical education should be widely adopted in lower-middle income countries.

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planning, delivery, and follow-up, and when appropriate, regulatory and billing issues. To facilitate consistent approaches to discussion of targeting, the American Heart Association 17-segment model construct was employed. For centers with a potential CRA case(s), interactive peer review was accomplished for targeting and planning, with the final decision for treatment at the discretion of the treating centers. Results: From 2019 to present, 50 centers have engaged with CNCR through our program, representing 11 countries across 5 continents. Following initial engagement, 35/50 (70%) have treated at least one patient (range, 1-7), with 82 patients treated to date. Ninety-seven percent (34/35) of centers have maintained active engagement with CNCR following initial treatment of their first patient. Subsequently, three of those centers have develop prospective IDE trials through the FDA. All centers have committed to engagement in a newly established international registry and enrollment on developing clinical trials. Conclusion: Cardiac radioablation is undergoing rapid uptake as a potential treatment for patients with high-risk VT, with the potential for wide variability in implementation. The CNCR remote education and peer review program has enabled rapid engagement with centers around the world, with a focus on best practices, establishing relationships for mutual sharing and collaboration, and encouraging prospective evaluation of safety and efficacy for CRA.