Table 1 Patient and disease characteristics

Patients (n)

184

Male (n)

140

Age (years)

58 ± 12

Left atrial parasternal diameter (mm)

42 ± 4.9

Left ventricular ejection fraction (%)

56 ± 16

Paroxysmal atrial fibrillation (n)

129

Persistent atrial fibrillation (n)

43

Left atrial macro-reentrant tachycardia (n)

12

Ineffective antiarrhythmic drugs (n)

None

27

One

117

Two

30

Three

10

Underlying heart disease (n)

None

41

Arterial Hypertension

115

Coronary artery disease

21

Dilative cardiomyopathy

13

Index ablation procedure (n)

122