Authors' contributions. All authors meet the ICMJE criteria for authorship, participated in the preparation of the article, the collection of material and its processing.
Conflict of Interest.No conflict of interest to declare. Funding for the article. None.
Current clinical case demonstrates the catheter treatment of longstanding persistent atrial fibrillation and atrial flutter without the use of fluoroscopy in patient with chronic heart failure. The effect on the parameters of heart remodeling, as well as the dynamics of NT-proBNP after 6 months of follow-up is demonstrated.
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