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flag STAR therapy cuts complications and deaths vs. ablation in high-risk heart rhythm patients.

flag A new study finds stereotactic arrhythmia radiation therapy (STAR) significantly reduces serious complications and deaths compared to repeat catheter ablation in high-risk patients with severe, medication-resistant ventricular tachycardia. flag Among 43 patients, only 9% treated with radiation had hospitalizations due to adverse events within a year, versus 38% in the ablation group, with four deaths in the ablation group and none in the radiation group. flag Complications arose much later after radiation (median 10 months) than after ablation (median 6 days). flag Radiation therapy, a noninvasive, single-session treatment, targets scar tissue driving arrhythmias without anesthesia or catheters, offering a safer alternative for medically fragile patients. flag Results will be presented at the American Society for Radiation Oncology meeting and published in the International Journal of Radiation Oncology • Biology • Physics.

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