{"schemaVersion":"1.0","generatedFrom":"https://brightaifuture.com/discoveries/tailored-af-ai-guided-ablation","record":{"id":"tailored-af-ai-guided-ablation","headline":"Personalizing an ablation for persistent AF","canonicalUrl":"https://brightaifuture.com/discoveries/tailored-af-ai-guided-ablation","datePublished":"2026-09-07","dateModified":null,"sourcePublicationDate":"2025-02-14","author":null,"publisher":{"name":"Bright AI Future","url":"https://brightaifuture.com/"},"topics":[],"summary":"A multicenter randomized, controlled, double-blind superiority trial tested whether adding AI-detected spatio-temporal electrogram-dispersion targets to pulmonary-vein isolation improves treatment of drug-refractory persistent atrial fibrillation.","evidenceState":"Demonstrated","keyFacts":[{"label":"AI’s role","value":"An AI algorithm detected areas of spatio-temporal electrogram dispersion for the tailored ablation arm, in addition to pulmonary-vein isolation."},{"label":"Documented result","value":"At 12 months after a single ablation, 88% of the tailored arm (n=187) versus 70% of the PVI-only arm (n=183) met the primary efficacy endpoint: freedom from documented atrial fibrillation with or without antiarrhythmic drugs (P<0.0001 for superiority)."},{"label":"Important limitation","value":"There was no significant between-arm difference in freedom from any atrial arrhythmia after one ablation."}],"limitations":["There was no significant between-arm difference in freedom from any atrial arrhythmia after one ablation.","Procedure and ablation times were twice as long in the tailored arm.","The results apply to the trial's selected persistent-AF population and procedure context."],"evidenceLinks":[{"title":"Artificial intelligence for individualized treatment of persistent atrial fibrillation: a randomized controlled trial","url":"https://www.nature.com/articles/s41591-025-03517-w","type":"paper"}],"evidencePackUrl":"https://brightaifuture.com/evidence-pack/tailored-af-ai-guided-ablation","embedUrl":"https://brightaifuture.com/embed/story/tailored-af-ai-guided-ablation","attribution":{"credit":"Bright AI Future","requirements":["Link to the canonical Bright record.","Keep material limitations with the claim they qualify.","Link to the original evidence when repeating a substantive claim.","Do not describe a source check or organization-reported result as independent verification."],"sourceRights":"Linked source material, quotations, trademarks and media remain subject to their owners’ terms. No reuse right is granted for third-party media."}},"claim":{"humanProblem":"Persistent and long-standing persistent atrial fibrillation can remain difficult to treat with a standard anatomical ablation procedure.","priorConstraint":"Clinicians need reproducible ways to identify patient-specific electrical patterns that might guide additional ablation targets.","aiRole":"An AI algorithm detected areas of spatio-temporal electrogram dispersion for the tailored ablation arm, in addition to pulmonary-vein isolation.","documentedResult":"At 12 months after a single ablation, 88% of the tailored arm (n=187) versus 70% of the PVI-only arm (n=183) met the primary efficacy endpoint: freedom from documented atrial fibrillation with or without antiarrhythmic drugs (P<0.0001 for superiority).","whyItMayMatter":"The study tests AI-guided targeting against a clinical comparator with a one-year patient outcome, rather than only a retrospective diagnostic metric.","unresolvedQuestions":["Do benefits persist over longer follow-up and across broader patient populations?","How do procedure burden, complications, cost, and repeat procedures compare outside the trial?"]},"evidenceAssessment":{"state":"Demonstrated","claimConfidence":"unassessed","reviewState":"approved","reviewMethod":"ai-assisted","reviewNote":"AI-assisted editorial comparison with the cited primary source; result, setting, source date and limitations retained. Independently checked within the research team. Publication authorized by the site owner; no human source review is claimed.","lastSourceReview":"2026-09-07","independentVerification":"not-established-by-this-source-review"},"sources":[{"id":"source-tailored-af-ai-guided-ablation","title":"Artificial intelligence for individualized treatment of persistent atrial fibrillation: a randomized controlled trial","url":"https://www.nature.com/articles/s41591-025-03517-w","type":"paper"}],"revisions":[{"id":"revision:063cc05065c5627605c9","recordedAt":"2026-09-07","summary":"The study tests AI-guided targeting against a clinical comparator with a one-year patient outcome, rather than only a retrospective diagnostic metric.","sourceIds":["source-tailored-af-ai-guided-ablation"]}],"corrections":[]}