A worldwide survey on incidence, management, and prognosis of oesophageal fistula formation following atrial fibrillation catheter ablation: the POTTER-AF study

Medientyp: E-Artikel

Titel: A worldwide survey on incidence, management, and prognosis of oesophageal fistula formation following atrial fibrillation catheter ablation: the POTTER-AF study

Beteiligte: Tilz, Roland Richard; Schmidt, Vanessa; Pürerfellner, Helmut; Maury, Philippe; Chun, K R J ulian; Martinek, Martin; Sohns, Christian; Schmidt, Boris; Mandel, Franck; Gandjbakhch, Estelle; Laredo, Mikael; Gunawardene, Melanie Anuscha; Willems, Stephan; Beiert, Thomas; Borlich, Martin; Iden, Leon; Füting, Anna; Spittler, Raphael; Gaspar, Thomas; Richter, Sergio; Schade, Anja; Kuniss, Malte; Neumann, Thomas; Francke, Alexander; [...]

Erschienen: Oxford University Press (OUP), 2023

Sprache: Englisch

DOI: 10.1093/eurheartj/ehad250

ISSN: 0195-668X; 1522-9645

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Beschreibung: AbstractAimsOesophageal fistula represents a rare but dreadful complication of atrial fibrillation catheter ablation. Data on its incidence, management, and outcome are sparse.Methods and resultsThis international multicentre registry investigates the characteristics of oesophageal fistulae after treatment of atrial fibrillation by catheter ablation. A total of 553 729 catheter ablation procedures (radiofrequency: 62.9%, cryoballoon: 36.2%, other modalities: 0.9%) were performed, at 214 centres in 35 countries. In 78 centres 138 patients [0.025%, radiofrequency: 0.038%, cryoballoon: 0.0015% (P &lt; 0.0001)] were diagnosed with an oesophageal fistula. Peri-procedural data were available for 118 patients (85.5%). Following catheter ablation, the median time to symptoms and the median time to diagnosis were 18 (7.75, 25; range: 0–60) days and 21 (15, 29.5; range: 2–63) days, respectively. The median time from symptom onset to oesophageal fistula diagnosis was 3 (1, 9; range: 0–42) days. The most common initial symptom was fever (59.3%). The diagnosis was established by chest computed tomography in 80.2% of patients. Oesophageal surgery was performed in 47.4% and direct endoscopic treatment in 19.8% and conservative treatment in 32.8% of patients. The overall mortality was 65.8%. Mortality following surgical (51.9%) or endoscopic treatment (56.5%) was significantly lower as compared to conservative management (89.5%) [odds ratio 7.463 (2.414, 23.072) P &lt; 0.001].ConclusionOesophageal fistula after catheter ablation of atrial fibrillation is rare and occurs mostly with the use of radiofrequency energy rather than cryoenergy. Mortality without surgical or endoscopic intervention is exceedingly high.

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