Table 1.
Comparison of baseline characteristics between patients and controls
| Preop (n = 16) | Postop, day 1 (n = 16) | 3 months follow-up (n = 16) | 12 months follow-up (n = 15) | Controls (n = 16) | |
|---|---|---|---|---|---|
| Age (years) | 52 ± 17 | 52 ± 17 | 53 ± 17 | 53 ± 18 | 46 ± 12 |
| Females n (%) | 11 (69%) | 11 (69%) | 11 (69%) | 10 (63) | 11 (69%) |
| BSA (m2) | 1.8 ± 0.2 | 1.9 ± 0.2 | 1.8 ± 0.2 | ||
| VO2 peak (mL/kg/min) | 26 ± 7 | 28 ± 8 | 42 ± 10*** | ||
| VO2 peak (%) | 101 ± 19 | 108 ± 19§§ | 152 ± 27*** | ||
| Heart rate (bpm) | 71 ± 10 | 63 ± 6†† | 62 ± 12 | 63 ± 9 | 64 ± 8 |
| NYHA class | I = 6 (38%), II = 7 (43%), III = 3 (19%) | I = 13 (87%), II = 2 (13%)§ | |||
| Mean PAP (mm Hg) | 19 ± 5 | ||||
| Mean LAP (mmHg) | 7 ± 3 |
Bpm beats per minute, BSA body surface area, VO2peak peak oxygen uptake, NYHA New York Heart Association, PAP pulmonary artery pressure, LAP left atrial pressure
***P < 0.001 when comparing preop and controls
§P < 0.05
§§P < 0.01 when comparing preop and 12 months follow-up
††P < 0.01 when comparing preop and postop, day 1