Research Article
Comparison of Mask Oxygen Therapy and High-Flow Oxygen Therapy after Cardiopulmonary Bypass in Obese Patients
Table 4
Comparison of spirometric parameters and dyspnea and comfort scores between groups.
| | | Group | value | | Mask O2 (n = 50) | High-flow O2 (n = 50) |
| | Preoperative FEV1 | 2.1 ± 0.2 | 2.0 ± 0.2 | 0.650 | | Preoperative FVC | 2.4 ± 0.5 | 2.5 ± 0.5 | 0.228 | | Postoperative FEV1 | 1.0 ± 0.2 | 1.1 ± 0.3 | 0.292 | | Postoperative FVC | 1.1 ± 0.4 | 1.8 ± 0.4 | <0.001 | | Dyspnea score (1st day) | | | | | Improvement | 19 (38%) | 32 (64%) | <0.001 | | No improvement | 20 (40%) | 11 (22%) | — | | Deterioration | 11 (22%) | 7 (14%) | — | | Dyspnea score (2nd day) | | | | | Improvement | 27 (54%) | 41 (82%) | <0.001 | | No improvement | 17 (34%) | 6 (12%) | — | | Deterioration | 6 (12%) | 3 (6%) | — | | Comfort score (1st day) | 2.34 ± 1.65 | 3.79 ± 1.87 | 0.002 | | Comfort score (2nd day) | 2.74 ± 1.45 | 4.05 ± 1.76 | 0.001 |
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Mean ± standard deviation; FEV 1: forced expiratory volume; FVC: forced vital capacity. |
