TRAC-VT (isrctn.com identifier: ISRCTN84509594) was a prospective, multicentre, observational single-arm study enrolling patients at five hospitals in five European countries. The study evaluated the safety and efficacy of the DiamondTemp RF ablation system modulating power (based on real-time tissue temperature) in patients with sustained monomorphic VT and ICM/NICM. Headline results: Acute procedural success was 100% (95% CI, 91–100%). No primary safety endpoints were observed. Six-month follow-up was completed in 92% of patients with 81% (95% CI, 65–91%) freedom from sustained or treated VT.

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