Three-dimensional CT-fluoroscopy fusion imaging improves the efficiency of left atrial appendage occlusion: A comparative study with a real-time guidance planning system.

Q: What is the clinical evidence from this study?

Study design: Cohort. Population: Left atrial appendage occlusion. Intervention: 3D CT-fluoroscopy fusion imaging vs. Real-time guidance planning system (ROGPS). Primary outcome: Procedural success.

Xiancun Yang; Sun Youwei; Nan Zhang; Jianle Xu; Baocheng Geng; Ying Wang

doi:10.1016/j.ijcard.2026.134536

April 30, 2026

Three-dimensional CT-fluoroscopy fusion imaging improves the efficiency of left atrial appendage occlusion: A comparative study with a real-time guidance planning system.

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Key result

3D CT-fluoroscopy fusion imaging linked to faster, lower-contrast, and lower-radiation LAAC procedures versus ROGPS.

Why the study?

Does 3D CT-fluoroscopy fusion imaging improve procedural efficiency in patients undergoing LAAC compared to ROGPS?

Key Points

This research aims to assess the impact of 3D CT-fluoroscopy fusion imaging on the efficiency of left atrial appendage occlusion compared to real-time guidance systems.
Comparative study design assessing procedural metrics between 3D CT-fluoroscopy fusion imaging and real-time guidance.
Evaluation of procedural efficiency, contrast use, radiation exposure, and procedure time.
Both groups achieved a procedural success rate of 100%.
No significant differences in device-related thrombosis or peri-device leakage were observed between the two methods.
3D CT-fluoroscopy fusion imaging reduced contrast use and radiation exposure.
Procedure time was significantly shorter with 3D CT-fluoroscopy fusion imaging, with p=0.01.

Study Design

Type

Cohort

Structured PICO

Does 3D CT-fluoroscopy fusion imaging improve procedural efficiency in patients undergoing LAAC compared to ROGPS?

P

Population

Patients undergoing left atrial appendage occlusion (LAAC)

I

Intervention

3D CT-fluoroscopy fusion imaging guidance

C

Comparator

Real-time guidance planning system (ROGPS)

O

Outcome

Procedural efficiency (contrast use, radiation exposure, and procedure time)surrogate

Main Result

Absolute Event Rate: 100% vs 100%

Implication

3D CT-fluoroscopy fusion imaging improves procedural efficiency during LAAC compared to ROGPS without compromising safety.

Abstract

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Discussion

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Cite This Study

Yang et al. (2026) conducted a cohort in Left atrial appendage occlusion. 3D CT-fluoroscopy fusion imaging vs. Real-time guidance planning system (ROGPS) was evaluated on Procedural success. 3D CT-fluoroscopy fusion imaging significantly improved procedural efficiency in LAAC compared to ROGPS, reducing contrast use, radiation exposure, and procedure time without compromising safety.

synapsesocial.com/papers/69f9890415588823dae17eac https://doi.org/10.1016/j.ijcard.2026.134536

View at Publisher

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Three-dimensional CT-fluoroscopy fusion imaging improves the efficiency of left atrial appendage occlusion: A comparative study with a real-time guidance planning system.

Key Points

Study Design

Structured PICO

Main Result

Implication

Abstract

Discussion

Cite This Study

Three-dimensional CT-fluoroscopy fusion imaging improves the efficiency of left atrial appendage occlusion: A comparative study with a real-time guidance planning system.

Key Points

Study Design

Structured PICO

Main Result

Implication

Abstract

Discussion

Cite This Study

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