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European Journal of Medical Research

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Open Access 01-12-2023 | Lung Ultrasound | Research

Prognostic value of the early lung ultrasound B-line score for postoperative pulmonary insufficiency in patients undergoing thoracic surgery: an observational study

Authors: Yipeng He, Xiaoxiao Xu, Chenhao Wang, Zhouquan Wu

Published in: European Journal of Medical Research | Issue 1/2023

Abstract

Background

Postoperative pulmonary insufficiency (PPI) is an important contributor to morbidity and mortality after thoracic surgery. Lung ultrasound is a reliable tool for assessing respiratory function. We sought to determine the clinical value of the early lung ultrasound B-line score for predicting changes in pulmonary function after thoracic surgery.

Methods

Eighty-nine patients undergoing elective lung surgery were included in this study. The B-line score was determined 30 min after removal of the endotracheal tube, and the PaO₂/FiO₂ ratio was recorded 30 min after extubation and on the third postoperative day. Patients were divided into normal (PaO₂/FiO₂ ≥ 300) and PPI (PaO₂/FiO₂ < 300) groups according to their PaO₂/FiO₂ ratios. A multivariate logistic regression model was used to identify independent predictors of postoperative pulmonary insufficiency. Receiver operating characteristic (ROC) analysis was performed for significantly correlated variables.

Results

Eighty-nine patients undergoing elective lung surgery were included in this study. We evaluated 69 patients in the normal group and 20 in the PPI group. Patients conforming to NYHA class 3 at administration were significantly more represented in the PPI group (5.8 and 55%; p < 0.001). B-line scores were significantly higher in the PPI group than in the normal group (16; IQR 13–21 vs. 7; IQR 5–10; p < 0.001). The B-line score was an independent risk factor (OR = 1.349 95% CI 1.154–1.578; p < 0.001), and its best cutoff value for predicting PPI was 12 (sensitivity: 77.5%; specificity: 66.7%).

Conclusions

Lung ultrasound B-line scores 30 min after extubation are effective in predicting early PPI in patients undergoing thoracic surgery.

Trial registration This study was registered with the Chinese Clinical Trials Registry (ChiCTR2000040374).

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Title: Prognostic value of the early lung ultrasound B-line score for postoperative pulmonary insufficiency in patients undergoing thoracic surgery: an observational study
Authors: Yipeng He
Xiaoxiao Xu
Chenhao Wang
Zhouquan Wu
Publication date: 01-12-2023
Publisher: BioMed Central
Keyword: Lung Ultrasound
Published in: European Journal of Medical Research / Issue 1/2023
Electronic ISSN: 2047-783X
DOI: https://doi.org/10.1186/s40001-023-01117-3

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Prognostic value of the early lung ultrasound B-line score for postoperative pulmonary insufficiency in patients undergoing thoracic surgery: an observational study

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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