Key result
A revised stereotactic body radiotherapy plan using a fixed-beam multiport approach successfully avoided radiation exposure to a leadless pacemaker, allowing treatment completion without device malfunction.
Why the study?
Leadless pacemakers pose unique challenges during stereotactic body radiotherapy for lung cancer due to their intracardiac placement and proximity to chest radiation fields, which are not fully addressed by existing protocols.
Does a revised fixed-beam multiport SBRT approach prevent leadless pacemaker malfunction in a patient with lung cancer?
Population
An 81-year-old female with stage IA lung adenocarcinoma and a right ventricular leadless pacemaker
Comparison
Fixed-beam multiport SBRT plan vs original rotational arc therapy plan
Design
Case report
Authors
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Alerts clinicians to LLPM risks during SBRT; leaves open need for dedicated device protocols.
Case Report (n=1)
No
Does a revised fixed-beam multiport SBRT approach prevent leadless pacemaker malfunction in a patient with lung cancer?
Identifying leadless pacemakers before SBRT and tailoring radiotherapy plans is critical to prevent device malfunction by keeping cumulative radiation doses <5 Gy.
Fukuda et al. (2025) conducted a case report in Lung cancer with a leadless pacemaker (n=1). Stereotactic body radiotherapy (SBRT) with a fixed-beam multiport approach was evaluated on Pacemaker functionality post-treatment. A revised stereotactic body radiotherapy plan using a fixed-beam multiport approach successfully avoided radiation exposure to a leadless pacemaker, allowing treatment completion without device malfunction.
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