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14.11.2017 | MULTIMEDIA REPORT | Ausgabe 3/2017

Journal of Interventional Cardiac Electrophysiology 3/2017

Fluoroscopy-free AF ablation using transesophageal echocardiography and electroanatomical mapping technology

Zeitschrift:
Journal of Interventional Cardiac Electrophysiology > Ausgabe 3/2017
Autoren:
Benjamin O’Brien, Damian C. Balmforth, Ross J. Hunter, Richard J. Schilling
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s10840-017-0288-9) contains supplementary material, which is available to authorized users.
Benjamin O’Brien, Damian C. Balmforth, Ross J. Hunter, and Richard J. Schilling are the authors who take responsibility for all aspects of the reliability and freedom from bias of the data presented and their discussed interpretation.

Abstract

Purpose

Guidelines recommend that radiation exposure during AF catheter ablation procedures should be ‘as low as reasonably achievable’ (ALARA), particularly since many patients may have multiple procedures. Consequently, avoiding radiation exposure altogether must, if safe to do so, be the ultimate goal. The primary objective was to determine the feasibility and efficacy of fluoroscopy-free AF ablation compared to the fluoroscopy-assisted procedure.

Methods

Patients underwent AF ablation using commercially available technology with no routine pre-procedural imaging. The use of non-fluoroscopic imaging/mapping technologies permitted us to initially reduce x-ray exposure before eliminating its use altogether. This evolution of our practice proceeded in two stages: a 9-month period of optimising our fluoroscopy-free ablation protocol followed by a 9-month period during which we set out to complete the whole procedure routinely without fluoroscopy. We describe the protocol developed and report salient endpoints, such as complications, procedure times, patient experience, and procedural success rates.

Results

During the study period, fluoroscopy-free AF ablation was attempted in 69 patients: 24 in the 9-month ‘development phase’ and 45 in the ‘implementation phase’. During the development phase, 13 of 24 patients (54%) were treated without the use of fluoroscopy. In the implementation phase, 45 patients underwent AF ablation of which 42 (93.3%) were fluoroscopy-free. A detailed description is given of the three cases in which fluoroscopy had to be used despite an intention not to.

Conclusions

Fluoroscopy-free complex ablation procedures for the treatment of atrial fibrillation are safe and feasible in most patients.

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