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Related Experiment Video

Updated: Nov 6, 2025

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Limiting Brain Shift in Malignant Hemispheric Infarction by Decompressive Craniectomy.

Askiel Bruno1, Nina Paletta2, Uttam Verma1

  • 1Department of Neurology, Medical College of Georgia, Augusta University, Augusta, 1120 15th Street BI3076, GA, United States.

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association
|May 4, 2021
PubMed
Summary
This summary is machine-generated.

Decompressive craniectomy (DC) for malignant hemispheric infarction (MHI) is more successful when preoperative midline shift is smaller and brain herniation is greater. These factors predict reduced postoperative midline shift after DC surgery.

Keywords:
Brain herniationCerebral edemaHemicraniectomyIschemic strokeStroke outcome

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Area of Science:

  • Neurosurgery
  • Neurology
  • Radiology

Background:

  • Decompressive craniectomy (DC) is a crucial intervention for malignant hemispheric infarction (MHI).
  • Surgical technique variability and complications can impact DC effectiveness.
  • Predicting and minimizing midline brain shift post-DC is essential for optimizing outcomes.

Purpose of the Study:

  • To evaluate specific preoperative CT measurements for their association with postoperative midline brain shift following DC in MHI patients.
  • To identify predictors of surgical success in DC for MHI.

Main Methods:

  • Retrospective analysis of 72 patients with MHI who underwent DC at two medical centers.
  • Measurement of craniectomy surface area, brain herniation, tissue thickness, ventricle diameter, infarction extension, and midline brain shifts (pre- and post-DC).
  • Multiple linear regression analysis to determine factors associated with postoperative midline brain shift, excluding confounding variables.

Main Results:

  • The average midline brain shift decreased from 8.7 mm pre-DC to 5.4 mm post-DC.
  • Preoperative midline shift (coefficient 0.32, p=0.002) and extent of transcalvarial brain herniation (coefficient -0.20, p<0.001) were significantly associated with postoperative midline brain shift.
  • Smaller preoperative shift and greater herniation predicted less postoperative shift.

Conclusions:

  • In MHI patients undergoing DC, reduced postoperative midline shift correlates with smaller preoperative midline shift and more significant transcalvarial brain herniation.
  • These findings can aid in patient selection and surgical planning for DC.
  • Further research is needed to enhance the surgical success of DC for MHI.