Baseline (afternoon) | After mask removal | After 2 h | After 4 h | p* | |
---|---|---|---|---|---|
Patients with deventilation syndrome (n = 11) | |||||
Borg Scale | 3.9 (2.7) | 7.18 (0.98) | 4.82 (2.64) | 4.00 (2.19) | 0.003 |
pCO2(mmHg) | 47.0 (9.7) | 47.42 (5.60) | 46.71 (7.92) | 0.492 | |
6MWT walking distance (m) | 149.9 (112.4) | 109.00 (111.45) | 163.09 (130.75) | 0.007 | |
VCmax (%) | 51 (16.9) | 46.00 (16.08) | 54.86 (14.65) | 54.55 (14.56) | < 0.1 |
Inspiratory flow (ml) | 68.2 (16.6) | 59.00 (19.12) | 66.50 (13.55) | 69.50 (12.13) | 0.067 |
Patients without deventilation syndrome (n = 20) | |||||
Borg Scale | 2.1 (1.9) | 1.9 (1.64) | 2.10 (1.58) | 2.05 (1.64) | 0.330 |
pCO2(mmHg) | 46.7 (7.0) | 49.05 (6.85) | 49.58 (6.70) | 0.510 | |
6MWT walking distance (m) | 236.7 (112.8) | 238.95 (110.33) | 238.45 (110.36) | 0.789 | |
VCmax (%) | 67 (12.2) | 61.70 (10.04) | 65.25 (12.98) | 66.65 (11.17) | 0.079 |
Inspiratory flow (ml) | 72.0 (12.8) | 68.25 (12.49) | 69.75 (12.92) | 71.00 (12.90) | 0.316 |