Clinical Research in Cardiology

, Volume 107, Issue 5, pp 430–436 | Cite as

Acute and long-term outcome of focal atrial tachycardia ablation in the real world: results of the german ablation registry

  • Sonia BuschEmail author
  • Mathias Forkmann
  • Karl-Heinz Kuck
  • Thorsten Lewalter
  • Hüseyin Ince
  • Florian Straube
  • Heinrich Wieneke
  • K. R. Julian Chun
  • Lars Eckardt
  • Claus Schmitt
  • Matthias Hochadel
  • Jochen Senges
  • Johannes Brachmann
Original Paper



Catheter ablation of focal atrial tachycardia (FAT) can be a challenging procedure and results have been rarely described. The purpose of this study was to determine the characteristics and results of FAT ablation in the large cohort of the German Ablation Registry.


The German Ablation Registry is a nationwide prospective multicenter database including 12566 patients who underwent an ablation procedure between 2007 and 2010. Among them 431 (3.4%) underwent an FAT ablation and 413 patients with documented locations were analyzed. Patients were divided into three groups according to the FAT location: biatrial (BiA, n = 31, 7.5%), left atrial (LA, n = 110, 26.5%), and right atrial (RA, n = 272, 66%).


Acute success rate was 84% (68 vs. 85 vs. 85% in biA, LA, and RA, respectively, p = 0.038). 4.8% of patients had an early recurrence during hospitalization, most in biatrial location (p < 0.001). No major acute complication occurred. At 12 months, 81% were asymptomatic or improved. The incidence of major adverse cardiovascular and cerebrovascular events (MACCE) was 3.7%. Arrhythmia freedom without antiarrhythmic drugs was 58% and was lower in biA (34 vs. 56% in LA vs. 62% in RA, p = 0.019). Early recurrence during hospitalization was an outstanding predictive factor for recurrence during follow-up.


In this large patient population, FAT ablation had a relatively high acute success rate with a low complication rate. During follow-up, the recurrence rate was high, particularly in biatrial location. This was frequently predicted by an early recurrence during hospitalization.


Focal atrial tachycardia Catheter ablation Results 



The work was supported by an unrestricted grant from foundation ‘Stiftung Institut für Herzinfarktforschung Ludwigshafen’ (Ludwigshafen, Germany) and minor unrestricted grants from Medtronic, Biosense Webster, and Biotronik.

Compliance with ethical standards

Conflict of interest

None declared.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Sonia Busch
    • 1
    Email author
  • Mathias Forkmann
    • 1
  • Karl-Heinz Kuck
    • 2
  • Thorsten Lewalter
    • 3
  • Hüseyin Ince
    • 4
  • Florian Straube
    • 5
  • Heinrich Wieneke
    • 6
  • K. R. Julian Chun
    • 7
  • Lars Eckardt
    • 8
  • Claus Schmitt
    • 9
  • Matthias Hochadel
    • 10
  • Jochen Senges
    • 10
  • Johannes Brachmann
    • 1
  1. 1.Klinik für Kardiologie, Angiologie und Pneumologie, II. Medizinische KlinikKlinikum CoburgCoburgGermany
  2. 2.Klinik für Kardiologie und internistische IntensivmedizinKlinik für KardiologieHamburgGermany
  3. 3.Peter Osypka Herzzentrum MünchenAbteilung fuer Kardiologie und Innere MedizinGrazGermany
  4. 4.Vivantes Klinikum Am Urban, BerlinKlinik fuer Kardiologie und Internistische IntensivmedizinBerlinGermany
  5. 5.Krankenhaus Muenchen BogenhausenMunichGermany
  6. 6.Klinik fuer Kardiologie und AngiologieContilia Herz- und Gefäßzentrum EssenEssenGermany
  7. 7.CCB Cardioangiologisches Centrum Bethanien Frankfurt am MainFrankfurt am MainGermany
  8. 8.Abteilung für Rhythmologie (Elektrophysiologie und kardiologische Elektrochirurgie)Universitätsklinikum MuensterMuensterGermany
  9. 9.Staedtisches Klinikum Karlsruhe, Medizinische Klinik IVKarlsruheGermany
  10. 10.Stiftung Institut für Herzinfarktforschung LudwigshafenLudwigshafenGermany

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