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Noninvasive Radioablation Offers Long-term Benefits to High-risk Heart Arrhythmia Patients.
September 17, 2019 — Treating high-risk heart patients with a single, high dose of radiation therapy can dramatically reduce episodes of rapid, abnormal heartbeats for more than two years, according to new research. This could offer hope to patients who have exhausted other treatment options. Findings were presented at the 61st annual meeting of the American Society for Radiation Oncology (ASTRO), Sept. 15-18 in Chicago.
“The results are very promising. The use of noninvasive radiation therapy is providing new hope for patients with life-threatening ventricular arrhythmias and limited treatment options,” said Clifford Robinson, M.D., associate professor of radiation oncology and cardiology at the Washington University School of Medicine in St. Louis and lead author on the study.
...."This novel therapy fuses electrical (ECGs) and imaging (computed tomography, magnetic resonance imaging, positron emission tomography) data to pinpoint the scar tissue in the patient’s heart responsible for the arrhythmias, then targets it with a single dose of stereotactic body radiation therapy (SBRT), a type of high-dose radiation most commonly used to treat patients with cancer. ENCORE requires no general anesthesia and allows patients to go home immediately after treatment. "