Decompressive hemicraniectomy for space-occupying cerebral infarction.

Area of Science:

• Neurosurgery
• Neurology
• Critical Care Medicine

Background:

• Space-occupying hemispheric infarction is a severe stroke complication with high mortality (up to 80%) under conservative medical therapy alone.
• Retrospective studies suggested decompressive hemicraniectomy improves survival, but prospective data were needed to confirm efficacy and functional outcomes.

Purpose of the Study:

• To review the indications, surgical techniques, prognostic factors, and clinical outcomes of decompressive hemicraniectomy for space-occupying hemispheric infarction.
• To synthesize evidence from retrospective series and recent prospective randomized trials.

Main Methods:

• Review of retrospective case series and prospective randomized trials on decompressive hemicraniectomy for hemispheric infarction.
• Analysis of mortality rates, functional outcomes, and patient dependency post-surgery.

Main Results:

• Prospective randomized studies confirm decompressive hemicraniectomy significantly reduces mortality (to 20-30%) compared to conservative treatment.
• Mortality reduction is not associated with increased severe disability, but leads to a significant rise in patients requiring assistance.
• Optimal timing and upper age limits for surgical benefit remain areas for further investigation.

Conclusions:

• Decompressive hemicraniectomy is a life-saving intervention for selected patients with space-occupying hemispheric infarction.
• Comprehensive patient and caregiver counseling regarding increased long-term dependency is crucial before surgery.
• Individualized patient assessment and physician experience remain key factors in surgical decision-making.