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Chinese Journal of Neurotraumatic Surgery(Electronic Edition) ›› 2021, Vol. 07 ›› Issue (06): 339-344. doi: 10.3877/cma.j.issn.2095-9141.2021.06.004

• Clinical Research • Previous Articles     Next Articles

Predictors of concurrent encephalocele during debone valve decompression in patients with traumatic brain hernia

Shangming Zhang1, Xiaofang Hu1, Lin Zhao1, Hongjie Chen1, Liangfeng Wei1, Shousen Wang1,()   

  1. 1. Department of Neurosurgery, 900 Hospital of the Joint Logistics Team, Fuzhou 350025, China
  • Received:2020-12-17 Online:2021-12-15 Published:2022-01-14
  • Contact: Shousen Wang

Abstract:

Objective

To explore the preoperative predictors of concurrent encephalocele during decompressive craniectomy in patients with traumatic brain hernia.

Methods

One hundred and three patients with the diagnosis of severe traumatic brain hernia treated in Neurosurgery Department of the 900th Hospital of the Joint Logistics Team from January 2017 to December 2020 were retrospectively analyzed. According to whether acute encephalocele occurred during operation, they were divided into acute encephalocele group and non-encephalocele group. The prognosis of the 2 groups at 3 months after operation was compared, The risk factors of intraoperative acute encephalocele were analyzed by univariate and multivariate Logistic regression, and then the preoperative predictors of encephalocele were explored.

Results

Of the 103 patients in this group, 24 had acute encephalele (23.3%). The poor prognosis rate within 3 months in the acute encephalocele group (70.83%) was significantly higher than that in the non-encephalocele group (40.51%) (P<0.05). Univariate analysis showed that there were significant differences in age classification, preoperative pupil changes, preoperative history of hypoxia or hypoxemia, preoperative Helsinki CT score and preoperative diffuse brain swelling between encephalocele group and non-encephalocele group (P<0.05). Binary Logistic regression analysis showed that the risk of acute encephalocele was significantly increased in age <60 years old, preoperative mydriasis, and Helsinki CT score≥8.

Conclusion

The preoperative high risk predictors of acute encephalocele were age <60 years old preoperative dilated pupil, and Helsinki CT score ≥8. The evaluation of above factors has positive clinical reference for the prevention of acute encephalocele before the operation.

Key words: Cerebral hernia, Traumatic brain injury, Encephalocele, Diffuse brain swelling, Decompressive craniectomy

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