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Bifrontal decompressive craniectomy in the management of posttraumatic intracranial hypertension
P C Whitfield1, H Patel, P J Hutchinson
1Department of Academic Neurosurgery, Addenbrookes NHS Trust, Cambridge UK.
Insights
Bifrontal decompressive craniectomy effectively lowers intracranial hypertension after head injuries. This procedure improves intracranial pressure dynamics and outcomes in selected patients.
Area of Science:
- Neurosurgery
- Trauma Surgery
- Critical Care Medicine
Background:
- Bifrontal decompressive craniectomy has been utilized for over 30 years to manage post-traumatic intracranial hypertension.
- Its application has often been on an ad hoc basis, lacking extensive protocol-driven data.
- Refractory intracranial hypertension poses significant challenges in neurocritical care.
Purpose of the Study:
- To evaluate the clinical outcomes and physiological effects of protocol-driven bifrontal decompressive craniectomy.
- To provide pathophysiological evidence supporting the efficacy of this surgical intervention.
- To assess the impact on intracranial pressure dynamics and patient recovery.
Main Methods:
- Observational study of 26 patients with refractory intracranial hypertension.
- Protocol-driven application of bifrontal decompressive craniectomy.
- Monitoring of intracranial pressure (ICP) and its wave amplitude, and compensatory reserve.
Main Results:
- Significant reduction in mean ICP from 37.5 to 18.1 mmHg (p = 0.003).
- Reduced amplitude of ICP waves (p < 0.02) and increased compensatory reserve (p < 0.05).
- Favorable outcome in 69% of patients, with 8% severe disability and 23% mortality.
Conclusions:
- Bifrontal decompressive craniectomy significantly reduces post-traumatic intracranial hypertension.
- The procedure demonstrably improves intracranial pressure dynamics and compensatory reserve.
- Results support the continued use of bifrontal decompressive craniectomy in carefully selected head injury patients.
Abstract:
Bifrontal decompressive craniectomy has been used on an ad hoc basis for the treatment of post-traumatic intracranial hypertension for more than thirty years. In this observational study we report the clinical outcome and physiological effects of the procedure in a series of 26 patients with refractory intracranial hypertension treated on a protocol driven basis. Bifrontal decompressive craniectomy was associated with significant reductions in mean ICP from 37.5 to 18.1 mmHg (p = 0.003). In addition, craniectomy reduced the amplitude of ICP waves (p < 0.02) and increased compensatory reserve (p < 0.05). A favourable outcome was achieved in 69% of patients; 8% were severely disabled and 23% died. We conclude that this study provides pathophysiological evidence that bifrontal decompressive craniectomy significantly reduces posttraumatic intracranial hypertension and improves pressure dynamics. Our results support the continued use of bifrontal decompressive craniectomy in selected patients after head injury.