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Updated: Jul 6, 2026
Microvascular Decompression: Salient Surgical Principles and Technical Nuances
Published on: July 5, 2011
Decompressive Craniectomy
Clemens M Schirmer1, Albert A Ackil, Adel M Malek
1Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center, Tufts University School of Medicine, 800 Washington Street #178, Boston, MA 02111, USA.
Insights
Decompressive craniectomy (DC) is a procedure for elevated intracranial pressure. Current evidence is insufficient to support routine DC use in traumatic brain injury, stroke, or subarachnoid hemorrhage, requiring individualized patient selection.
Area of Science:
- Neurosurgery
- Critical Care Medicine
Background:
- Decompressive craniectomy (DC) is employed to manage refractory intracranial hypertension.
- Historically, DC has been applied to traumatic brain injury (TBI), middle cerebral artery (MCA) infarction, and aneurysmal subarachnoid hemorrhage (SAH).
Observation:
- The efficacy and patient selection criteria for DC remain subjects of ongoing debate.
- While many studies are retrospective, recent prospective trials necessitate a reevaluation of DC's utility.
- Literature on DC in TBI, MCA infarction, and SAH is reviewed, focusing on timing and laterality.
Findings:
- Current data do not support the routine application of DC for TBI, stroke, or SAH.
- Early, aggressive DC may benefit select patients, but its indication is contentious.
- Insufficient evidence exists to establish DC as a standard treatment for these conditions.
Implications:
- Individualized assessment is crucial for determining DC candidacy.
- Caregivers must be thoroughly informed about the potential long-term outcomes of DC.
- Further high-quality research is needed to clarify the role of DC in neurocritical care.
Abstract:
Decompressive Craniectomy (DC) is used to treat elevated intracranial pressure that is unresponsive to conventional treatment modalities. The underlying cause of intracranial hypertension may vary and consequently there is a broad range of literature on the uses of this procedure. Traumatic brain injury (TBI), middle cerebral artery (MCA) infarction, and aneurysmal subarachnoid hemorrhage (SAH) are three conditions for which DC has been predominantly used in the past. Despite an increasing number of reports supportive of DC, the controversy over the suitability of the procedure and criteria for patient selection remains unresolved. Although the majority of published studies is retrospective, the recent publication of several randomized prospective studies prompts a reevaluation of the utility of DC. We review the literature concerning the use of DC in TBI, MCA infarction, and SAH and address the evidence regarding common questions pertaining to the timing of and laterality of the procedure. We conclude that at the time of this review, there still remains insufficient data to support the routine use of DC in TBI, stroke or SAH. There is evidence that early and aggressive use of DC in good-grade patients may improve outcome, but the notion that DC is indicated in these patients is contentious. At this point, the indication for DC should be individualized and its potential implications on long-term outcomes should be comprehensively discussed with the caregivers.
