Journal of arrhythmia
Door Gruszczynski M, Rodriguez Cetina Biefer H, Rings L en 3 anderen.
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Outcome data for the Gemini S bipolar radiofrequency clamp are almost absent; the only indexed report being a three-patient case series. We describe 1-year outcomes in a consecutive cohort.
We retrospectively analyzed all consecutive patients treated with the Gemini S clamp between January 2021 and August 2024. Epicardial box isolation was combined with left atrial appendage (LAA) exclusion; completeness was confirmed by entry and exit block on epicardial three-dimensional mapping. The primary outcome was freedom from AF recurrence at 12 months, on and off antiarrhythmic drugs (AADs) after a 90-day blanking period.
Twenty-three patients were included (mean age 64.4 ± 8.0 years; 82.6% male). AF was paroxysmal in 34.8%, persistent in 26.1%, and long-standing persistent in 39.1%; 60.9% had prior catheter ablation and 69.6% had failed or were intolerant to a Class I or III agent. A complete block-verified box lesion was achieved in 95.7% and LAA exclusion in 91.3%. Three patients (13.0%) required conversion to sternotomy for bleeding, exceeding larger series. There was no death, stroke, phrenic nerve palsy, or pacemaker implantation. At 1 year, 87.0% (95% CI 67.9-95.5) were in sinus rhythm, all off Class I/III AADs.
Sinus rhythm was achieved in 87.0% of patients at 1 year. As the largest reported experience with this device, the series provides device-level evidence where little existed, but it is descriptive, not powered for comparison, and the conversion rate needs confirmation.
Gepubliceerd in Journal of arrhythmia. Het abstract staat hier zoals het is gepubliceerd en blijft het werk van de auteurs; lees het volledige artikel bij de bron.
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