Table 3

Acute success of 28 mm cryoballoon in achieving pulmonary venous isolation

Targeted veinsIsolated with cryoballoon aloneMean trough temperature when isolation achieved (°C)Mean trough temperature when isolation not achieved (°C)p
LUPV83%−49.4±6.5−46.0±4.7NS
LLPV95%−45.5±7.5−40.7±4.9<0.01
RUPV85%−49.1±5.4−45.6±7.90.03
RLPV68%−42.1±6.9−38.4±4.5<0.01
All PV83%−46.6±7.3−41.0±7.20.02
All Patients40%
  • LLPV, left lower pulmonary vein; LUPV, left upper pulmonary vein; RLPV, right lower pulmonary vein; RUPV, right upper pulmonary vein.