Internal cardioversion | |||
---|---|---|---|
Balloon catheter (group A) | Two catheter system (group B) | ||
Number of patients | 32 | 42 | |
Age | 60 (10) | 57 (8) | |
Male/female ratio | 26/6 | 33/9 | |
Body weight (kg) | 75 (13) | 78 (14) | |
Height (cm) | 173 (11) | 176 (10) | |
Left atrial size (mm) | 59 (6) | 61 (6) | |
Underlying heart disease | |||
Coronary artery disease | 7 | 9 | |
Hypertension | 9 | 9 | |
Valvar | 6 | 8 | |
Dilated cardiomyopathy | 4 | 7 | |
Hypertrophic cardiomyopathy | 0 | 1 | |
Lone atrial fibrillation | 5 | 7 | |
Miscellaneous | 1 | 1 | |
Duration of current episode of AF (months) | 10.6 (6.2) | 9.7 (7.5) | |
Range (months) | 0.5–16 | 0.5–34 | |
Previous unsuccessful attempts of pharmacological conversion (number of patients) | 19 | 26 |
Values are mean (SD). No signficant difference between groups for any parameter.