Intermediate-term outcome of cryoballoon ablation of persistent atrial fibrillation and improvements in quality of life of patients

Daniel Mol, Anchee M Boersma, Wouter R Berger, Muchtiar Khan, Gijsbert S de Ruiter, Geert-Jan P Kimman, Joris R de Groot and Jonas S S G de Jong

PLOS ONE, 2022, vol. 17, issue 1, 1-17

Abstract: Background: Clinical outcome of pulmonary vein isolation (PVI) has been predominantly focused on the reoccurrence of atrial fibrillation (AF) and the maintenance of sinus rhythm. However, there has been a limited intermediate follow-up on health-related quality-of-life (HRQoL) of patients. Given the relatively high recurrence rate of persistent AF after PVI treatment, it is important to follow up with clinical outcomes on symptom improvement as well as health-related quality-of-life. This study was designed to investigate the recurrence rate of atrial tachyarrhythmia (ATa), AF-related symptoms and HRQoL after PVI in patients with persistent AF who were treated with the second generation cryoballoon. Methods: Total 148 patients participated in the study who were treated by PVI between 2013 and 2017 for persistent AF. All patients visited the out-patient clinic 2–5 years after PVI. During this visit all patients filled-out an AF Effect on Quality-of-life (AFEQT) questionnaire and a seven-day Holter was applied. All rhythm recordings acquired post ablation were collected and analysed, and the modified European Heart Rhythm Association score (mEHRA) scores were calculated before and after the ablation. Results: The average age of patients was 63±9 year old and 44 (27.9%) were female. Mean CHA2DS2 VASc score was 1.9±1.4, and moderate and severe left atrial (LA) dilation was present in 53 (36.1%) and 15 (10.2%) patients, respectively. After a follow-up of 3.7±1.0 years, 81 (54.7%) patients had an ATa recurrence and 35 (23.6%) patients underwent a repeat LA ablation. However, the mEHRA score significantly improved in 80.4% of the patients (p

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0261841

DOI: 10.1371/journal.pone.0261841

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