Table 3.
Preoperative, Intraoperative, and Postoperative Respiratory Parameters of Patients; Respiratory Virus, Bacteria, Mycoplasma, and Chlamydia Tests; and Clinical Diagnosis of COVID-19
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | |
|---|---|---|---|---|
| Preoperative | ||||
| SpO2 | 96% | 94% | 95% | 97% |
| Breathing pattern | Spontaneous | Spontaneous | Spontaneous | Spontaneous |
| Post-intubation SpO2 | 100% | 100% | 100% | 100% |
| Intraoperative | ||||
| Tidal volume (mL/kg) | 8-10 | 10 | 8-10 | 8-10 |
| Ventilatory frequency (beats/min) | 14 | 14 | 14 | 14 |
| Ventilation mode | PRVC | PRVC | PRVC | PRVC |
| PEEP (cm H2O) | 6 | 6-8 | 6 | 6 |
| Postoperative | ||||
| Ventilation mode/days | PCV/9 | PCV/8 | PCV/4 | PCV/3 |
| SIMV/2 | SIMV/3 | controlled | controlled | |
| spontaneous | spontaneous | |||
| SpO2 fluctuations | 80%∼96% | 84%∼95% | 87%∼96% | 85%∼91% |
| Respiratory virus, bacteria, mycoplasma, and chlamydia tests | Negative | Negative | Negative | Negative |
| Clinical diagnosis of COVID-19 | Suspected | Suspected | Confirmed | Confirmed |
Abbreviations: COVID-19, coronavirus disease 2019; PCV, pressure-controlled ventilation; PEEP, positive end-expiratory pressure; PRVC, pressure regulated volume control ventilation; SIMV, synchronized intermittent mandatory ventilation; SpO2, peripheral oxygen saturation.