Long-term functional outcomes after unilateral versus bilateral decompressive craniectomy—a single center experience - Report - MDSpire

Long-term functional outcomes after unilateral versus bilateral decompressive craniectomy—a single center experience

  • By

  • D. Baldaranov

  • Ch. Großmann

  • K. Stangl

  • M. Kilic

  • S. Grubwinkler

  • R. A. Linker

  • F. Schlachetzki

  • July 3, 2026

  • 0 min

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Clinical Report: Long-term functional results of unilateral vs bilateral decompressive craniectomy

Overview

This study evaluates long-term outcomes of unilateral versus bilateral decompressive craniectomy, revealing that unilateral procedures are associated with better functional outcomes and fewer complications.

Background

Decompressive craniectomy is a critical intervention for managing elevated intracranial pressure due to conditions like stroke and traumatic brain injury. Understanding the differences in outcomes between unilateral and bilateral approaches is essential for optimizing patient recovery and resource allocation in neurorehabilitation settings.

Data Highlights

Outcome MeasureUDCBDC
Favorable Outcomes36%16%
Unfavorable Outcomes24%44%
eBI Scores at DischargeSignificantly better (p = 0.043)
eBI Scores at Follow-upSignificantly better (p = 0.016)
GOSE OutcomesSuperior (p = 0.011)

Key Findings

  • Favorable outcomes were observed in 36% of UDC patients compared to 16% of BDC patients.
  • Unfavorable outcomes were more frequent in BDC patients (44% vs. 24%).
  • UDC patients had significantly better eBI scores at discharge and follow-up (p = 0.043; p = 0.016).
  • GOSE outcomes were superior in UDC patients (p = 0.011).
  • Shorter hospitalization correlated with favorable outcomes in UDC (p = 0.012).
  • BDC patients experienced more neurological complications, negatively impacting outcomes (GOSE follow-up p = 0.019).

Clinical Implications

The study highlights the potential for improved functional recovery in patients undergoing unilateral decompressive craniectomy compared to bilateral procedures. Clinicians should consider these findings when discussing surgical options with patients and their families.

Conclusion

Bilateral decompressive craniectomy is associated with poorer functional outcomes and higher complication rates compared to unilateral procedures. Further research is warranted to validate these findings.

Related Resources & Content

  1. Factors Associated with the Necessity for Reoperation in Bilateral Chronic Subdural Hematomas, Springer, 2021 -- Factors Associated with the Necessity for Reoperation in Bilateral Chronic Subdural Hematomas
  2. Insights Gained from Cranioplasty After Ventriculoperitoneal Shunt Placement, Springer, 2020 -- Insights Gained from Cranioplasty After Ventriculoperitoneal Shunt Placement
  3. Long-term Results of Posterior Fossa Decompression in Children with Chiari Malformation Type 1: A Cohort Study Based on Population Data, Springer, 2024 -- Long-term Results of Posterior Fossa Decompression in Children with Chiari Malformation Type 1
  4. Decompressive Craniectomy as a Treatment for Significant Intracerebral Hematomas Following Aneurysmal Subarachnoid Hemorrhage, Springer, 2024 -- Decompressive Craniectomy as a Treatment for Significant Intracerebral Hematomas Following Aneurysmal Subarachnoid Hemorrhage
  5. European Stroke Organisation (ESO) guidelines on the management of space-occupying brain infarction, ESO, 2023 -- ESO guidelines on the management of space-occupying brain infarction
  6. Decompressive Craniectomy in Diffuse Traumatic Brain Injury, NEJM, 2011 -- Decompressive Craniectomy in Diffuse Traumatic Brain Injury
  7. Timing of Decompressive Craniectomy for Ischemic Stroke and Traumatic Brain Injury: A Review, PMC, 2018 -- Timing of Decompressive Craniectomy for Ischemic Stroke and Traumatic Brain Injury: A Review
  8. European Stroke Organisation (ESO) guidelines on the management of space-occupying brain infarction
  9. Decompressive Craniectomy in Diffuse Traumatic Brain Injury | New England Journal of Medicine
  10. Timing of Decompressive Craniectomy for Ischemic Stroke and Traumatic Brain Injury: A Review - PMC

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