Research Article
Comparison of Mask Oxygen Therapy and High-Flow Oxygen Therapy after Cardiopulmonary Bypass in Obese Patients
Table 1
Preoperative and operative characteristics of patients.
| | Group | value | Mask O2 (n = 50) | High-flow O2 (n = 50) |
| Sex (female/male) | 32/18 | 32/18 | 1.000 | Age (years) | 61.3 ± 8.5 | 62.0 ± 6.7 | 0.660 | Body mass index (kg/m2) | 32.3 ± 1.1 | 32.5 ± 1.2 | 0.259 | Comorbidities | | | | Diabetes mellitus | 20 | 19 | 0.840 | Hypertension | 29 | 30 | 0.841 | Chronic kidney disease | 3 | 3 | 1.000 | Smoking history | 21 | 22 | 0.842 | Ejection fraction (%) | 51.3 ± 6.8 | 50.3 ± 6.2 | 0.445 | Number of CPB | 3.2 ± 0.7 | 3.2 ± 0.7 | 0.786 | CPB duration (min) | 90.5 ± 12.1 | 91.4 ± 13.0 | 0.709 | Clamping duration (min) | 41.0 ± 11.8 | 41.8 ± 12.8 | 0.740 | Duration of extubation (hour) | 8.2 ± 4.3 | 7.8 ± 1.4 | 0.529 |
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Mean ± standard deviation; CPB: cardiopulmonary bypass; min: minutes. |