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ISSN 0185-3252 (Print)
Revista de la Asociación Médica del Centro Médico ABC

2019, Number 1

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An Med Asoc Med Hosp ABC 2019; 64 (1)

Cryoballoon ablation for the invasive treatment of atrial fibrillation

Rodríguez-Diez G, Ortiz-Ávalos M

Language: Spanish
References: 15
Page: 29-34
PDF size: 274.77 Kb.


ABSTRACT

Introduction: Atrial fibrillation (AF) is a complex, degenerative and multifactorial disease. Pharmacological treatment is the first line of action, but its effect is not lasting in the long term, so the invasive treatment, which is more effective, is carried out more and more worldwide. It is indicated when there is atrial fibrillation refractory to the pharmacological treatment. Cryoballoon ablation (CBA) of pulmonary veins is an alternative approach to radiofrequency (RF) for the invasive treatment. Its results are comparable, reproducible and consistent in the long term, with the advantage of having a better safety profile and a simpler and faster learning curve. The aim of this study is to show our experience, technique, results and complications with CBA in Mexico. Material and methods: We present our series in paroxysmal atrial fibrillation, from the beginning of therapy in 2014 to October 2017, with a one-year follow-up. Patients were considered free of AF if they were without events of tachycardia or fibrillation greater than 30 s and without the use of antiarrhythmics, with at least one Holter study to prove it. Results: Of 100 patients included, the primary endpoint was reached in 79 (79%). Among the complications, we did not have major adverse events such as cardiac perforation, cardio-esophageal fistula or deaths; only minor complications: two arteriovenous fistulas at the puncture site and two diaphragmatic palsies that resolved spontaneously one month after the procedure. Conclusion: We can say that the CBA of pulmonary veins is a safe and effective alternative to RF for the invasive treatment of AF.


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