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Open research questions in Atrial Fibrillation Management and Outcomes

1,492 gap statements mined from Atrial Fibrillation Management and Outcomes papers in our 7.9M-paper local library, which holds 6,413 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The predictive value of AI-ECG scores for incident AF in patients in sinus rhythm is unclear. The change in predictive value of AI-ECG scores over time is unknown.

    Artificial Intelligence-Enabled Electrocardiography Model for Left Ventricular Systolic and Diastolic Dysfunction Predict Incident Atrial Fibrillation in Patients with Sinus Rhythm: A Time-Dependent Analysis · 2026 · DOI

  • The need for a more precise and efficient method for pulmonary vein isolation. The limitations of current PFA systems, such as requiring multiple maneuvers and raising the possibility of reversible electroporation lesions. The lack of a novel single-shot PFA technology for treating atrial fibrillation.

    First-in-human experience from RESET-AF (Rapid onE-Shot Electroporation Trial for Atrial Fibrillation) · 2026 · DOI

  • Broad clinical translation remains constrained by imaging variability, reconstruction noise, registration uncertainty, and limited prospective multicenter validation. The paper identifies the need for moving beyond technical accuracy toward prospective trials evaluating algorithm-guided clinical utility.

    Multimodal Characterization of Atrial Fibrillation: From Patient-Specific Anatomy and Electrophysiology to Standardized Atrial Mapping · 2026 · DOI

  • Real-world evidence on early discharge pathways for AF ablation in China is limited. The applicability of same-day discharge after atrial fibrillation ablation in China remains uncertain. There is a need for studies evaluating the clinical and economic outcomes of early discharge pathways in the Chinese setting.

    Safety, effectiveness and healthcare resource implications of an early discharge pathway for cryoballoon ablation: real-world evidence from China · 2026 · DOI

  • There is a need to consider the potential biases in the study, such as selection bias. The study requires careful analysis of the annualized event rates to draw meaningful conclusions.

    Renal Function and 4‐Year Outcomes in Edoxaban‐Treated Patients: A Sub‐Analysis From the ETNA ‐ AF Europe Study · 2026 · DOI

  • The current literature lacks real-world evidence on the use of edoxaban in patients with atrial fibrillation. There is a need to investigate the influence of CKD stages on the safety and effectiveness of edoxaban dosages. The study aims to address this gap by analyzing data from the ETNA-AF-Europe study.

    Renal Function and 4‐Year Outcomes in Edoxaban‐Treated Patients: A Sub‐Analysis From the ETNA ‐ AF Europe Study · 2026 · DOI

  • There is a need to characterize amiodarone prescription at hospital discharge and identify associated clinical characteristics. The study aims to address this gap by analyzing the CRAFT registry. The gap is in understanding the clinical factors associated with amiodarone prescription at discharge.

    Clinical Factors Associated with Amiodarone Prescription at Hospital Discharge in Patients with Atrial Fibrillation: Insights from the CRAFT Registry · 2026 · DOI

  • The risk of bleeding is higher when patients on DOACs undergo dental implantation. There is a need to identify risk factors for bleeding events in patients receiving DOACs and to suggest precautions.

    Postoperative Bleeding After Dental Implant Surgery in Patients on Direct Oral Anticoagulants: A Retrospective Case–Control Study · 2025 · DOI

  • The lack of a standardized prophylactic protocol for POAF prevention.

    Atrial Fibrillation Prediction Model Following Aortic Valve Replacement Surgery · 2025 · DOI

  • The selection of optimal oral anticoagulation therapy for elderly patients with atrial fibrillation remains challenging. There is a need to investigate clinical factors guiding oral anticoagulation prescription patterns in very elderly patients with atrial fibrillation. There is a need to compare outcomes between different anticoagulation therapies in this demographic.

    Oral Anticoagulation Choice and Dosage in Very Elderly Patients with Atrial Fibrillation · 2025 · DOI

  • The research highlights the complexity of atrial arrhythmogenesis and the need for a comprehensive understanding of atrial mechanics. The study notes the importance of considering clinical factors, such as hypertension and peripheral vascular disease, in predicting postoperative atrial fibrillation.

    Echocardiographic Predictors of Postoperative Atrial Fibrillation After Cardiac Surgery: Assessing Atrial Mechanics for Risk Stratification · 2025 · DOI

  • The review highlights the challenge of ensuring adequate follow-up care for discharged AF patients, particularly when outpatient access to cardiology services is limited.

    Bridging the Gaps in Atrial Fibrillation Management in the Emergency Department · 2025 · DOI

  • Previous studies have not clarified whether sinus rhythm or atrial fibrillation was present at the time of BNP measurement. There is a need to investigate the role of BNP levels in predicting arrhythmia recurrence after atrial fibrillation ablation.

    Clinical Importance of B-Type Natriuretic Peptide Levels in Sinus Rhythm at 3 Months After Persistent Atrial Fibrillation Ablation · 2025 · DOI

  • Limited sample size. Need for larger, adequately powered studies to clarify the prognostic value of presepsin. Complexity of AF pathophysiology.

    Exploring the Role of Presepsin in the Prediction of Atrial Fibrillation Recurrence: Results from the PLACEBO Study · 2025 · DOI

  • Prior studies have established that diabetes is associated with a poorer prognosis in patients with atrial fibrillation. The progressive association between elevated HbA1c levels and increased mortality and ischemic stroke has also been reported. However, the study aims to provide a comprehensive nationwide cohort study to evaluate the association.

    Glycemic control and clinical outcomes in patients with diabetes and atrial fibrillation: a nationwide cohort study · 2026 · DOI

  • No clinical study has directly compared PFA with CB ablation regarding the extent of endothelial injury.

    Pulsed-Field Ablation Is Associated with Lower Endothelial Injury and Procedure Time Compared to Cryoballoon Ablation in Paroxysmal Atrial Fibrillation · 2025 · DOI

  • Prospective, externally validated studies testing whether AI-ECG-triggered monitoring increases AF detection and improves outcomes are needed before routine…

    Artificial Intelligence-Enabled Electrocardiography Model for Left Ventricular Systolic and Diastolic Dysfunction Predict Incident Atrial Fibrillation in Patients with Sinus Rhythm: A Time-Dependent Analysis · 2026 · DOI

  • Further studies to confirm the efficacy and safety of the ElePulse PFA system, - Investigation of the optimal PFA dosing regimen, - Comparison with other PFA…

    First-in-human experience from RESET-AF (Rapid onE-Shot Electroporation Trial for Atrial Fibrillation) · 2026 · DOI

  • The study was a retrospective cohort study, - Artificial censoring occurred in 35.5% and 59.3% of prompt- and deferred-strategy clones, - The study had a limited sample size of 214…

    Prompt versus deferred conditional cardioversion strategies after early AF recurrence following pulsed field ablation · 2026 · DOI

  • The study was conducted in a single dental clinic, - The sample size was limited to 80 patients, - The study was retrospective, - Patient informed consent to participate in the study was waived by the board due to institutional and national regulation of retrospective…

    Postoperative Bleeding After Dental Implant Surgery in Patients on Direct Oral Anticoagulants: A Retrospective Case–Control Study · 2025 · DOI

  • Further studies are needed to determine the long-term efficacy and safety of fluoroscopy-free PFA guided by left-sided ICE, - Research on the optimal ablation strategy for persistent AF is still needed, - Studies comparing the outcomes of different imaging modalities for PFA…

    A Fluoroscopy-Free Ablation Workflow for Persistent Atrial Fibrillation Using a Pentaspline Pulse Field Ablation Catheter Guided by Left-Sided Intracardiac Echo Imaging and Electroanatomic Mapping: A Case Series · 2025 · DOI

  • Variability in realizing transmural lesions - The need for advanced technical expertise - The requirement for multidisciplinary coordination, particularly in hybrid settings - The partial availability of long-term data regarding the durability…

    Minimally Invasive Surgical Strategies for the Treatment of Atrial Fibrillation: An Evolving Role in Contemporary Cardiac Surgery · 2025 · DOI

  • The study may be subject to bias caused by the retrospective and the small number of cases - It was unclear whether the BNP levels were explicitly evaluated for SR during the measurement process in previous…

    Clinical Importance of B-Type Natriuretic Peptide Levels in Sinus Rhythm at 3 Months After Persistent Atrial Fibrillation Ablation · 2025 · DOI

  • Retrospective exploratory substudy, - Modest sample size, - Limited to two or three predictors in reduced multivariable Cox regression models to avoid…

    Exploring the Role of Presepsin in the Prediction of Atrial Fibrillation Recurrence: Results from the PLACEBO Study · 2025 · DOI

  • Comparison of PFA with other ablation techniques. Long-term follow-up studies to assess thromboembolic risk. Investigation of the mechanisms underlying the endothelial-sparing effect of PFA. Studies to evaluate the efficacy and safety of PFA in larger patient populations.

    Pulsed-Field Ablation Is Associated with Lower Endothelial Injury and Procedure Time Compared to Cryoballoon Ablation in Paroxysmal Atrial Fibrillation · 2025 · DOI

Most-cited papers in Atrial Fibrillation Management and Outcomes

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Open questions raised by papers listed on this page include: (1) The predictive value of AI-ECG scores for incident AF in patients in sinus rhythm is unclear (“Artificial Intelligence-Enabled Electrocardiography Model for Left Ventricular…”, 2026); (2) The lack of a novel single-shot PFA technology for treating atrial fibrillation (“First-in-human experience from RESET-AF (Rapid onE-Shot Electroporation Trial…”, 2026); (3) There is a need for studies evaluating the clinical and economic outcomes of early discharge pathways in the Chinese setting (“Safety, effectiveness and healthcare resource implications of an early…”, 2026); (4) There is a need to consider the potential biases in the study, such as selection bias (“Renal Function and 4‐Year Outcomes in Edoxaban‐Treated Patients: A Sub‐Analysis…”, 2026); (5) There is a need to characterize amiodarone prescription at hospital discharge and identify associated clinical characteristics (“Clinical Factors Associated with Amiodarone Prescription at Hospital Discharge…”, 2026). 1,492 gap statements have been mined from Atrial Fibrillation Management and Outcomes papers in our 7.9M-paper local library, which holds 6,413 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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