Evidence map›Paper›PMID 40947554›Full record

Observational studyJournal of cardiovascular electrophysiology2025

Bipolar Catheter Ablation as a Key for Successful Treatment of Intramural VentricuLar Arrhythmias: Results From the Bipolar-Kiel Study.

Fabian Moser, Vera Maslova, Adrian Zaman, Thomas Demming, Martina Spehlmann, Mohammed Saad, Derk Frank, Evgeny Lian

Abstract readMulticenter StudyObservational Study
In one paragraph

Observational study in Journal of cardiovascular electrophysiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Fabian MoserDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Vera MaslovaDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Adrian ZamanDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Thomas DemmingDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Martina SpehlmannDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Mohammed SaadDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Derk FrankDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.
Evgeny LianDepartment of Cardiology and Internal Intensive Medicine, University Hospital Schleswig Holstein, Kiel, Germany.ORCID 0000-0001-9696-9227

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnipolar catheter ablation (CA) is effective in the treatment of ventricular arrhythmias but its efficacy can be limited in eliminating intramural arrhythmic origins. Bipolar ablation has emerged as a bail-out strategy. However, currently, it is being primarily utilized after a failed ablation attempt.

objectiveThe aim of this study is to assess the safety and efficacy of endocardial and/or epicardial bipolar catheter ablation in patients with ventricular arrhythmias within their first procedure or after a previously failed ablation attempt. METHODS AND

resultsPatients who underwent bipolar CA between September 2022 and February 2025 were included. A total of 21 bipolar ablation procedures were performed in 19 patients (median age 66 ± 11, 11% female, median ejection fraction 42% ± 16%). In total, 16 procedures were performed due to ventricular tachycardia (VT) or VT storm, five procedures were performed due to symptomatic premature ventricular contractions (PVC). In 48% of all cases, ablation was performed within the patient's first procedure. The interventricular septum was the most common site of bipolar ablation (11/21), followed by epi-endocardial bipolar ablation procedures (9/21) and the papillary muscle (1/21). Bipolar ablation was successful in 17/21 patients. In one patient, AV block occurred after bipolar ablation. During a median follow-up time of 12 ± 6 months, four patients with initially acute procedural success experienced recurrence of a ventricular arrhythmia.

conclusionBipolar catheter ablation is an effective tool for arrhythmias with an intramural origin. It is shown to be safe with a high acute success rate in patients undergoing their first or redo procedure for VT or PVC.

Indexed as

Catheter AblationTachycardia, VentricularVentricular Premature ComplexesAction PotentialsAgedFemaleHeart RateHumansMaleMiddle AgedRecurrenceRetrospective StudiesRisk FactorsTime FactorsTreatment Outcomebipolar ablationpremature ventricular contractionsradiofrequency ablationventricular arrhythmiasventricular tachycardia

Identifiers

PMID40947554
PMCPMC13020656

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Registered trials

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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 OpenQuestion graph.