Characteristics of the studies included in the current review.

* Paroxysmal Atrial Fibrillation
# Persistent Atrial Fibrillation
& Chronic Atrial Fibrillation
NA = Not Available; mon = months; yrs = years
HTN = Hypertension; DM = Diabetes Mellitus; CAD = Coronary Artery Disease; OB = Obesity; IHD = Ischemic Heart Disease; HLP = Hyperlipidemia; VHD = Valvular Heart Disease; SHD = Structural heart disease.
ACEI = Angiotensin Converting Enzyme Inhibitors; ARB = Angiotensin Receptor Blocker; CCB = Calcium-channel Blocker; AAD = Anti-Arrhythmic Drugs.
RFCA = Radiofrequency Catheter Ablation; CCA = Cryoballoon Catheter Ablation; PVI = Pulmonary vein isolation; PVAI = Pulmonary Vein Antrum Isolation; CPVA/PVCA = Circumferential Pulmonary Vein Catheter Ablation; SPVI = Segmental Pulmonary Vein Isolation; LACA = Radiofrequency Left Atrial Circumferential Ablation. CMR = Cardiac Magnetic Resonance Imaging; TTE = Transthoracic Echocardiography; TEE = Transesophageal Echocardiography; MDCT = Multidetector Computed Tomography.
Atrial fibrillation recurrence is defined as documented by body surface 12-lead electrocardiogram (ECG) or 24-hour Holter ECG lasting 30 seconds, despite being symptomatic or not, at any time from 3 months after catheter ablation.
Characteristics of the studies included in the current review.