What question did this study set out to answer?

January 4, 2018EP EuropaceOpen Access

Improving procedural and one-year outcome after contact force-guided pulmonary vein isolation: the role of interlesion distance, ablation index, and contact force variability in the ‘CLOSE’-protocol

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Why the study?

Does 'CLOSE'-guided PVI improve procedural and 1-year outcomes compared to standard CF-guided PVI in patients undergoing pulmonary vein isolation?

Key Points

This research aims to evaluate the impact of interlesion distance, ablation index, and contact force variability on procedural outcomes after pulmonary vein isolation.
Guided by the CLOSE protocol, focus on strict application of contiguity and ablation criteria.
Comparison of procedural times and outcomes after implementing the CLOSE protocol.
Improved one-year outcomes were noted in contact force-guided pulmonary vein isolation.
Reduction in procedural times observed without increased variability in contact force.

Structured PICO

Does 'CLOSE'-guided PVI improve procedural and 1-year outcomes compared to standard CF-guided PVI in patients undergoing pulmonary vein isolation?

Population

Patients undergoing contact force-guided pulmonary vein isolation (PVI)

Intervention

'CLOSE'-guided PVI (strict application of criteria for contiguity and ablation index)

Comparator

Standard contact force (CF)-guided PVI

Outcome

Procedural outcome, 1-year outcome, and procedure time

The 'CLOSE' protocol for PVI improves procedural efficiency and 1-year outcomes by standardizing interlesion distance and ablation index.

Limitations

Possible contribution of a learning curve due to lack of randomization

Discussion

No takes yet. Share an insight, caveat, or question.

Implication

Supports adoption of CLOSE protocol in CF-guided PVI; extends RCT evidence for standardized ablation strategies.

Cite This Study

Phlips et al. (2018) studied this question.

synapsesocial.com/papers/69d56fb075589c71d767da8e https://doi.org/10.1093/europace/eux376

Topics

Persistent AF management Atrial fibrillation AF ablation outcomes

View Full Paper

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Bookmark

Improving procedural and one-year outcome after contact force-guided pulmonary vein isolation: the role of interlesion distance, ablation index, and contact force variability in the ‘CLOSE’-protocol

Key Points

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Topics

Improving procedural and one-year outcome after contact force-guided pulmonary vein isolation: the role of interlesion distance, ablation index, and contact force variability in the ‘CLOSE’-protocol

Key Points

Structured PICO

Limitations

Discussion

Implication

Cite This Study

Also Consider

Topics

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