26 April 2021>: Clinical Research
Risk Factors for the Development of Intraoperative Hypoxia in Patients Undergoing Nonintubated Video-Assisted Thoracic Surgery: A Retrospective Study from a Single Center
Lan Lan 1AE* , Yanyi Cen 1BD , Long Jiang 23BF , Huazhang Miao 4C , Weixiang Lu 23BDOI: 10.12659/MSM.928965
Med Sci Monit 2021; 27:e928965
Table 3 Postoperative comparisons of patients with or without hypoxia.
Variables | Before matching | After matching | ||||
---|---|---|---|---|---|---|
Nonhypoxia (n=2497) | Hypoxia (n=245) | P value | Nonhypoxia (n=240) | Hypoxia (n=240) | P value | |
Mean ICU stay, d | 0 (0, 1) | 0 (0, 1) | 0 (0, 1) | 0 (0, 1) | 0.039 | |
Duration of chest-tube drainage, d | 2 (0, 3) | 2 (0.5, 3) | 0.019 | 2 (0, 3) | 2 (0.5, 3) | 0.077 |
Postoperative hospital stay, d | 4 (3, 6) | 5 (3, 7) | 0.003 | 4 (3, 7) | 5 (3, 7) | 0.059 |
Postoperative clinical complications, n (%) | 0.724 | |||||
None | 2310 (92.5) | 225 (92) | 227 (94.6) | 220 (91.7) | 0.216 | |
Pleural effusion | 125 (5) | 15 (6.1) | 8 (3.3) | 15 (6.3) | ||
Mechanical ventilation | 3 (0.1) | 2 (0.8) | 0 | 2 (0.8) | ||
Dyspnea | 13 (0.5) | 0 | 0 | 0 | ||
Arrhythmia | 5 (0.2) | 0 | 1 (0.4) | 0 | ||
Air leakage in chest tube | 23 (0.9) | 0 | 3 (1.3) | 0 | ||
Fever | 6 (0.2) | 1 (0.4) | 1 (0.4) | 1 (0.4) | ||
Reoperation | 4 (0.2) | 2 (0.8) | 0 | 2 (0.8) | ||
Cardio-dysfunction | 2 (0.1) | 0 | 0 | 0 | ||
Chylothorax | 4 (0.2) | 0 | 0 | 0 | ||
Pulmonary embolism | 1 | 0 | 0 | 0 | ||
Death | 1 | 0 | 0 | 0 | ||
ICU – Intensive Care Unit. |