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Erschienen in:
03.01.2019 | MULTIMEDIA REPORT
Radiotherapy for patients with cardiovascular implantable electronic devices: an 11-year experience
Erschienen in: Journal of Interventional Cardiac Electrophysiology | Ausgabe 3/2019
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Purpose
As cardiovascular implantable electronic devices (CIEDs) are increasingly indicated in older patients, and the burden of cancer is rising with the aging population, the management of patients with CIEDs who require radiotherapy (RT) is a timely concern. The objective of the study was to evaluate the management of, and malfunctions in, patients with CIEDs undergoing RT.
Methods
A retrospective study of patients with CIEDs receiving RT at Kingston Health Sciences Center from March 2007–April 2018 was conducted. Data on demographics, RT, devices, and management were compared for the primary outcome of device malfunction.
Results
Of the 189 patients with CIEDs receiving a total of 297 courses of RT, 4 patients (2.1%) experienced device malfunctions. Higher beam energy was associated with a malfunction (p < 0.05). Patients with malfunctions received a lower dose of radiation per fraction (267 ± 93 cGy vs. 477 ± 282 cGy; p < 0.05) and were significantly younger (71.4 ± 2.2 years vs. 77.8 ± 9.8 years; p < 0.01) compared to patients without malfunctions.
Conclusion
RT-induced device malfunctions are rare, but given the potential complications, a better understanding of the potential predictors of malfunction and the development of evidence-based guidelines will help optimize patient safety.