Evidence map›Paper›PMID 33447964›Full record

ArticleJournal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing2021

Comparison between superior vena cava ablation in addition to pulmonary vein isolation and standard pulmonary vein isolation in patients with paroxysmal atrial fibrillation with the cryoballoon technique.

Ingrid Overeinder, Thiago Guimarães Osório, Paul-Adrian Călburean, Antonio Bisignani, Gezim Bala, Juan Sieira, Erwin Ströker, Maysam Al Houssari, Joerelle Mojica, Serge Boveda and 4 more

Registry-linked trialAbstract read
In one paragraph

Article in Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05081310 (Cryoballoon Isolation of Superior Vena Cava in Paroxysmal Atrial Fibrillation - a Randomized Study), which is not on this map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
–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.

NCT05081310 naunknown statusnot on this map

Cryoballoon Isolation of Superior Vena Cava in Paroxysmal Atrial Fibrillation - a Randomized Study

TypeinterventionalSponsorUniversity of ZagrebRan2021 to 2024Enrolled100ConditionsAtrial FibrillationArmssuperior vena cava isolation, pulmonary vein isolation
3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  5. Outcomes after redo ablation for the recurrence of atrial fibrillation: a systematic review and meta-analysis.Clinical research in cardiology : official journal of the German Cardiac Society · 2025
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  9. Quest for safe and feasible isolation of superior vena cava by pulsed-field ablation: are we there yet?Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2024
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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

14 authors.

Ingrid OvereinderHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Thiago Guimarães OsórioHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Paul-Adrian CălbureanHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Antonio BisignaniHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Gezim BalaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Juan SieiraHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Erwin StrökerHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Maysam Al HoussariHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Joerelle MojicaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Serge BovedaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Gaetano PaparellaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Pedro BrugadaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Carlo de AsmundisHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium.
Gian-Battista ChierchiaHeart Rhythm Management Center, Postgraduate program in Cardiac Electrophysiology and Pacing, European Reference Networks Guard-Heart, Universitair Ziekenhuis Brussel-Vrije Universiteit Brussel, Laarbeeklaan 101, Brussels, Belgium. gbchier@yahoo.it.ORCID http://orcid.org/0000-0003-2967-1345

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundParoxysmal atrial fibrillation (PAF) can be triggered by non-pulmonary vein foci, like the superior vena cava (SVC). The latter is correlated with improved result in terms of freedom from atrial tachycardias (ATs), when electrical isolation of this vessel utilizing radiofrequency energy (RF) is achieved.

objectivesEvaluate the clinical impact, in patients with PAF, of the SVC isolation (SVCi) in addition to ordinary pulmonary vein isolation (PVI) by means of the second-generation cryoballoon (CB)

methodsA total of 100 consecutive patients that underwent CB ablation for PAF were retrospectively selected. Fifty consecutive patients received PVI followed by SVCi by CB application, and the following 50 consecutive patients received standard PVI. All patients were followed 12 months.

resultsThe mean time to SVCi was 36.7 ± 29.0 s and temperature at SVC isolation was - 35 (- 18 to - 40) °C. Real-time recording (RTR) during SVCi was observed in 42 (84.0%) patients. At the end of 12 months of follow-up, freedom from ATs was achieved in 36 (72%) patients in the PVI only group and in 45 (90%) patients of the SVC and PV isolation group (Fisher's exact test p = 0.039, binary logistic regression: p = 0.027, OR = 0.28, 95%CI = 0.09-0.86). In survival analysis, SVC and PV isolation group was also associated with improved freedom from ATs (log-rank test: p = 0.017, Cox regression: p = 0.026, HR = 0.31, 95%CI = 0.11-0.87).

conclusionSuperior vena cava isolation with the CB in addition to PVI might improve freedom from ATs if compared to PVI alone at 1-year follow-up.

Indexed as

Atrial FibrillationCatheter AblationCryosurgeryPulmonary VeinsHumansRetrospective StudiesTreatment OutcomeVena Cava, SuperiorParoxysmal atrial fibrillationPulmonary vein isolationSecond-generation cryoballoonSuperior vena cava isolation

Identifiers

PMID33447964
PMCPMC8645537

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Registered trials

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.