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Chinese Journal of Brain Diseases and Rehabilitation(Electronic Edition) ›› 2023, Vol. 13 ›› Issue (02): 108-112. doi: 10.3877/cma.j.issn.2095-123X.2023.02.007

• Clinical Research • Previous Articles     Next Articles

Study on predictors of successful decannulation in patients with acquired brain injury

Yuju Ding, Zhaoyong Liu, Bo Zhang()   

  1. Department of Rehabilitation Medicine, The Eighth People's Hospital of Hefei City, Hefei 238000, China
    Department of Encephalopathy, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei 230038, China
  • Received:2022-05-20 Online:2023-04-15 Published:2023-06-26
  • Contact: Bo Zhang
  • Supported by:
    "14th Five-year Plan" Hefei Traditional Chinese Medicine Advantage specialty construction project(Hewei Traditional Chinese Medicine Secretariat [2021] No.167)

Abstract:

Objective

To explore related factors affecting the results of decannulation in patients with acquired brain injury (ABI), and to evaluate the combined predictive value of independent factors for successful decannulation in patients with ABI.

Methods

A retrospective study was conducted on clinical data of 145 ABI patients who underwent tracheotomy admitted to the Eighth People's Hospital of Hefei from January 2017 to October 2021. According to the success of decannulation, the group was divided into the decannulation group (n=100) and the undecannulation group (n=45). Independent factors influencing decannulation results were screened by univariate and multivariate Logistic regression analysis, and their combined predictive value was evaluated by receiver operating characteristic (ROC) curve analysis.

Results

Univariate analysis showed that there were statistically significant differences between the two groups in consciousness level (GCS score), pulmonary infection control, swallowing function, cough reflex, voluntary cough, sputum aspiration times/8 h and tube blockage tolerance (tube blockage ≥48 h) (P<0.05). Multivariate Logistic regression analysis showed pulmonary infection (95%CI: 0.071-0.813, P=0.022), sputum aspiration times /8 h (95%CI: 0.045-0.451, P=0.001) and cough reflex (95%CI: 1.785-27.718, P=0.005) was an independent risk factor affecting extubation results, and the area under ROC curve of its combined prediction model was 0.924 (95%CI: 0.880-0.969), the optimal cut-off value was 0.646, the sensitivity was 84.4%, and the specificity was 90%.

Conclusion

Pulmonary infection, sputum aspiration times/8 h and cough reflex have high predictive value for successful decannulation in ABI patients.

Key words: Acquired brain injury, Tracheotomy, Decannulation, Predictors

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