Safety and Efficacy of Cryoballoon versus Radiofrequency
Ablation for Atrial Fibrillation in Elderly Patients and Predictors of
Arrhythmia Recurrence
Tauseef Akhtar MD, Usama A Daimee MD, Bhradeev Sivasambu MD, Erica Hart
MSc, Eunice Yang MD, Joseph E Marine MD, Ronald Berger MD, PhD, Hugh
Calkins MD, David Spragg MD
Division of Cardiology, Johns Hopkins University School of Medicine,
Baltimore, MD, 21287 USA.