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Updated: Feb 22, 2026

A Preclinical Controlled Cortical Impact Model for Traumatic Hemorrhage Contusion and Neuroinflammation
Published on: June 10, 2020
Injury mechanisms in acute intracerebral hemorrhage
D Andrew Wilkinson1, Aditya S Pandey1, B Gregory Thompson1
1Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA.
Insights
Intracerebral hemorrhage (ICH) remains a leading cause of death, with high mortality despite ongoing research. Current trials focus on minimally invasive clot removal and new drugs to improve recovery from brain bleeds.
Area of Science:
- Neurology
- Neurosurgery
- Stroke Medicine
Background:
- Intracerebral hemorrhage (ICH) is the most frequent type of hemorrhagic stroke.
- ICH incidence is rising due to an aging global population.
- Despite extensive research, ICH mortality rates remain high, with no proven interventional therapies.
Purpose of the Study:
- To review current knowledge on ICH injury mechanisms.
- To discuss recent clinical trial outcomes for ICH.
- To explore novel signaling pathways for hematoma clearance.
Main Methods:
- Literature review of ICH mechanisms and injury.
- Analysis of recent clinical trial data for ICH therapies.
- Examination of emerging signaling pathways in hematoma resolution.
Main Results:
- No interventional therapy has yet improved ICH outcomes.
- Ongoing clinical trials are evaluating minimally invasive clot removal.
- Pharmacologic strategies for post-ICH recovery are under investigation.
Conclusions:
- Minimally invasive clot removal shows promise for ICH treatment.
- Pharmacologic interventions may enhance recovery after ICH.
- Further research into signaling pathways is crucial for developing effective therapies.
Abstract:
Intracerebral hemorrhage (ICH) is the most common hemorrhagic stroke subtype, and rates are increasing with an aging population. Despite an increase in research and trials of therapies for ICH, mortality remains high and no interventional therapy has been demonstrated to improve outcomes. We review known mechanisms of injury, recent clinical trial results, and newly discovered signaling pathways involved in hematoma clearance. Enthusiasm remains high for methods of minimally invasive clot removal as well as pharmacologic strategies to improve recovery after ICH, both of which are currently being evaluated in clinical trials. This article is part of the Special Issue entitled 'Cerebral Ischemia'.
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