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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 23B

DOI: 10.12659/MSM.928965

Med Sci Monit 2021; 27:e928965

Table 3 Postoperative comparisons of patients with or without hypoxia.

VariablesBefore matchingAfter matching
Nonhypoxia (n=2497)Hypoxia (n=245)P valueNonhypoxia (n=240)Hypoxia (n=240)P value
Mean ICU stay, d0 (0, 1)0 (0, 1)0 (0, 1)0 (0, 1)0.039
Duration of chest-tube drainage, d2 (0, 3)2 (0.5, 3)0.0192 (0, 3)2 (0.5, 3)0.077
Postoperative hospital stay, d4 (3, 6)5 (3, 7)0.0034 (3, 7)5 (3, 7)0.059
Postoperative clinical complications, n (%)0.724
None2310 (92.5)225 (92)227 (94.6)220 (91.7)0.216
Pleural effusion125 (5)15 (6.1)8 (3.3)15 (6.3)
Mechanical ventilation3 (0.1)2 (0.8)02 (0.8)
Dyspnea13 (0.5)000
Arrhythmia5 (0.2)01 (0.4)0
Air leakage in chest tube23 (0.9)03 (1.3)0
Fever6 (0.2)1 (0.4)1 (0.4)1 (0.4)
Reoperation4 (0.2)2 (0.8)02 (0.8)
Cardio-dysfunction2 (0.1)000
Chylothorax4 (0.2)000
Pulmonary embolism1000
Death1000
ICU – Intensive Care Unit.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750