AF recurrence (n=37) | No AF recurrence (n=59) | P value | |
Age (years) | 63 (52–68) | 60 (52–65) | 0.392 |
BMI (kg/m2) | 26 (24–30) | 27 (24–30) | 0.867 |
Male (n) | 33 (80%) | 46 (84%) | 0.789 |
Hypertension | 21 (51%) | 30 (55%) | 0.837 |
LVEF (%) | 59 (51–64) | 59 (55–63) | 0.938 |
PLAX (mm) | 43 (39–45) | 39 (37–45) | 0.018 |
Paroxysmal | 24 (58%) | 32 (58%) | 1.000 |
Modality | 0.492 | ||
RF-group (n=40) | 18 (45) | 22 (55) | |
IMEA-group (n=17) | 5 (29) | 12 (71) | |
CB-group (n=39) | 14 (36) | 25 (64) | |
Interventional | |||
CK before (U/L) CK release (U/L) CK-MB before (U/L) CK-MB release (U/L) hs-cTnT before (ng/L) | 112 (81–172) 14.5 (–47.5–84.5) 2.7 (1.6–4.4) 3.2 (1.6–3) 7 (5–11) | 110 (86–144) 25 (–7 to 96) 2.1 (1.6–2.9) 4.7 (1.1–15.5) 7 (4–9) | 0.834 0.347 0.139 0.779 0.659 |
hs-cTnT release (ng/L) | 880±301 | 819±331 | 0.282 |
Length of lesion (cm) | 23.3 (20.1–25.8) | 23.1 (20.2–25.7) | 0.842 |
Duration (s) | 1964 1570–2779 | 1794 1200–3059 | 0.339 |
DeltaPerLength (ng/L/m) | 3.87±1.48 | 3.65±1.55 | 0.413 |
DeltaPerDuration (pg/L/s) | 0.417 (0.261–0.561) | 0.455 (0.336–0.646) | 0.643 |
Values are n (%) for categorical and mean±SD or median (25th–75th percentile) for continuous variables.
BMI, body mass index; CB, cryoballoon; CK, creatine kinase; CK-MB, creatine kinase MB isoenzyme; DeltaPerDuration, hs-cTnT release per duration of energy delivery; DeltaPerLength, hs-cTnT release per cm lesion; IMEA, irrigated multielectrode ablation; LVEF, left ventricular ejection fraction; PLAX, parasternal long axis; RF, radiofrequency; duration, duration of energy delivery; hs-cTnT, high-sensitive cardiac troponin T.