A model for prediction of recurrence risk after zero-fluoroscopy catheter ablation for patients with paroxysmal atrial fibrillation.

Lei Zhao, Ruibin Li, Long Bai, Jidong Zhang

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Article in BMC research notes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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5 · Who and what money

Authors and funding

4 authors.

Lei ZhaoDepartment of Cardiology, The Second Hospital of Hebei Medical University, No.309 Zhonghua North Street, Shijiazhuang, 050000, Hebei, China.

Ruibin LiDepartment of Cardiology, The Second Hospital of Hebei Medical University, No.309 Zhonghua North Street, Shijiazhuang, 050000, Hebei, China.

Long BaiDepartment of Cardiology, The Second Hospital of Hebei Medical University, No.309 Zhonghua North Street, Shijiazhuang, 050000, Hebei, China.

Jidong ZhangDepartment of Cardiology, The Second Hospital of Hebei Medical University, No.309 Zhonghua North Street, Shijiazhuang, 050000, Hebei, China. 2212251049@qq.com.

Funding

the Medical Science Research Project of Hebei No.20242341

6 · The paper itself

Abstract

objectiveThis study aimed to identify independent risk factors for atrial fibrillation recurrence after fluoroscopy-free radiofrequency ablation (RFA) in patients with paroxysmal atrial fibrillation (PAF), and to develop and validate a nomogram model for individualized prediction of postprocedural PAF recurrence risk.

resultsClinical data of 204 PAF patients undergoing initial fluoroscopy-free RFA were retrospectively analyzed with a median 18.7-month follow-up, and 20.6% of patients had recurrence.Age, left atrial diameter, hypertension, and PAF disease duration were confirmed as independent recurrence risk factors. The validated nomogram showed excellent predictive performance, with C-indexes of 0.813 and 0.805 in the training and validation sets, respectively. Time-dependent ROC analyses revealed favorable AUC values for 6-month, 1-year and 2-year recurrence prediction. Calibration metrics and sensitivity analysis verified the model's favorable stability and accuracy.

Indexed as

Atrial FibrillationCatheter AblationNomogramsAgedFemaleFluoroscopyHumansMaleMiddle AgedRecurrenceRetrospective StudiesRisk FactorsFluoroscopy-free catheter ablationNomogramParoxysmal atrial fibrillationRecurrenceRisk factors

Identifiers

PMID42163301

DOI10.1186/s13104-026-07876-6

PMCPMC13366751

What Socratic holds

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.