ArticlePhysics and imaging in radiation oncology2026
Integration of an echocardiographic motion-management system into photon-based stereotactic arrhythmia radioablation planning.
Article in Physics and imaging in radiation oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and purpose: Cardiorespiratory ultrasound motion monitoring may enhance the precision of dose delivery for stereotactic arrhythmia radioablation (STAR) of ventricular tachycardia. This treatment planning study aimed to evaluate the feasibility of photon-based STAR planning in the presence of an ultrasound probe. Materials and methods: For sixteen targets in fourteen patients, three treatment plans were retrospectively created and compared: a reference plan without an ultrasound probe and two plans in which the ultrasound probe was spared from the primary treatment beam (apical or parasternal probe positions). Descriptive and statistical analyses were performed for target/organ dose-volume and treatment beam metrics, conformity-indices and maximum probe exposure. Results: The ultrasound probe could be spared from the primary beam in all cases with D Conclusions: The ultrasound probe could be spared from the primary beam without compromising photon-based STAR plan quality beyond clinically acceptable deviations. The results support further investigation of ultrasound-based STAR motion management.
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