Acute procedural and cryoballoon characteristics from cryoablation of atrial fibrillation using the first- and second-generation cryoballoon: a retrospective comparative study with follow-up outcomes
- Resource Type
- Authors
- Hae W. Lim; Andre d'Avila; Sean Bailey; Rahmani Sara; P. Gearoid O’Neill; Arash Aryana; Shemsa Morkoch
- Source
- Journal of Interventional Cardiac Electrophysiology. 41:177-186
- Subject
- Male
medicine.medical_specialty
Time Factors
medicine.medical_treatment
Catheter ablation
Kaplan-Meier Estimate
Balloon
Cryosurgery
Risk Assessment
Cohort Studies
Electrocardiography
Physiology (medical)
Internal medicine
Atrial Fibrillation
Humans
Medicine
Survival rate
Aged
Retrospective Studies
business.industry
Retrospective cohort study
Cryoablation
Atrial fibrillation
Middle Aged
medicine.disease
Survival Rate
Treatment Outcome
Pulmonary Veins
Cohort
Catheter Ablation
Cardiology
Female
Patient Safety
Cardiology and Cardiovascular Medicine
business
Follow-Up Studies
Cohort study
- Language
- ISSN
- 1572-8595
1383-875X
There is limited data available on the safety and efficacy of the second-generation cryoballoon (CB-2) for cryoablation of atrial fibrillation (Cryo-AF). We evaluated the procedural, biophysical, and clinical outcomes of Cryo-AF in a large patient cohort using CB-2 as compared with the first-generation cryoballoon (CB-1). Three-hundred and forty consecutive patients undergoing Cryo-AF with CB-1 (n = 140) and CB-2 (n = 200) were retrospectively evaluated. Paroxysmal AF was more prevalent in CB-1 (86 %) versus CB-2 (72 %) (p = 0.001). During Cryo-AF, the mean balloon temperature was lower with CB-2 at 30 s (8 versus −4 °C; p