Table 4.

CPET data and vascular studies in patients who had AF relapse after successful CV

Group 1 (n = 5)Group 2 (n = 7)Group 3 (n = 6)
Pre-CVPost-CVAFPre-CVPost-CVAFPre-CVPost-CVAF
CPET
Peak workload, W112±24133±19*117±2297±26105±2598±2094±2196±1992±22
Peak V̇o2, ml·kg−1·min−117±321±4*16±317±319±418±515±416±314±4
O2 pulse, ml/beat11±216±3*10±48±211±4*9±38±49±38±2
ΔV̇o2/ΔWR, ml·W−1·min−19.5±2.110.5±0.9*9.0±1.58.7±2.19.2±0.98.8±1.38.8±1.69.0±1.88.8±2.0
e/V̇co2 slope32±428±3*33±531±229±532±230±431±331±5
PetCO2, mmHg35±438±5*34±632±535±433±532±333±432±4
Vascular studies
Brachial artery FMD, %7.1±0.612.4±0.7*7.4±0.86.9±0.59.2±0.6*7.2±0.56.7±0.77.0±0.66.8±0.8
Δ brachial artery diameter/Δ flow, mm·ml−1·min−1 × 1,0001.20±0.21.32±0.2*1.21±0.30.90±0.30.96±0.2*0.89±0.20.86±0.20.87±0.30.85±0.3
  • Values are means ± SD; n, number of patients.

  • * P < 0.05 vs. pre-CV.