The Predictive Value of Lung Ultrasound Combined with Central Venous Oxygen Saturation Variations in the Outcome of Ventilator Weaning in Patients after Thoracic Surgery.
PubMed(2022)
摘要
OBJECTIVE:To evaluate the predictive value of lung ultrasound score (LUS) combined with central venous oxygen saturation variations (ΔScvO2) in the outcome of ventilator weaning in patients after thoracic surgery.METHODS:The clinical data of 60 patients who received tracheal intubation ventilator-assisted breathing after thoracic surgery were retrospectively analyzed, and they were divided into successful (n = 35) and failed (n = 25) groups according to the postoperative weaning outcomes. The factors influencing the failure of weaning in patients after thoracic surgery were compared and analyzed, and the values of LUS, ΔScvO2 as well as the combination of both were calculated to predict the failure of weaning in patients after thoracic surgery.RESULTS:The results of logistic regression analysis showed that LUS, ΔScvO2, and partial pressure of carbon dioxide (PaCO2) may be risk factors influencing weaning failure in patients after thoracic surgery (OR = 1.844, 4.006, 1.271, P < 0.001 for all), while diaphragm thickening fraction (DTF) and partial pressure of oxygen (PaO2) may be protective factors (OR = 0.852, 0.674, P = 0.002 for all). Receiver operator characteristic (ROC) curve showed that area under the curves (AUCs) of LUS, ΔScvO2, and the combination of the two was 0.865 (95% CI: 0.766-0.964), 0.874 (95% CI: 0.781-0.967), and 0.925 (95% CI: 0.860-0.990), respectively, in predicting failure of weaning in patients after thoracic surgery.CONCLUSION:LUS and ΔScvO2 were closely related to chest ultrasound index and arterial blood gas index in patients after thoracic surgery, both of which may be risk factors for weaning failure in patients after thoracic surgery, and their combination can effectively predict the occurrence of weaning failure.
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关键词
Thoracic surgery,weaning,lung ultrasound score,central venous oxygen saturation variations
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