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Updated: May 7, 2026
10:34
Double Direct Injection of Blood into the Cisterna Magna as a Model of Subarachnoid Hemorrhage
Published on: August 30, 2020
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Long-Term Cognitive Decline After Subarachnoid Hemorrhage: Pathophysiology, Management, and Future Directions
Serhat Aydin1, Selçuk Peker1,2,3
1School of Medicine (S.A., S.P.), Koç University, Istanbul, Turkey.
Stroke
|March 4, 2025
Summary
Subarachnoid hemorrhage survivors face cognitive decline due to brain injury and inflammation. Emerging treatments and personalized care strategies offer hope for improving long-term cognitive outcomes.
Area of Science:
- Neurology
- Neuroscience
- Stroke Research
Background:
- Subarachnoid hemorrhage (SAH) is a severe stroke type affecting 5% of stroke cases.
- SAH survivors frequently experience cognitive deterioration and heightened dementia risk.
- Key factors in cognitive decline include early brain injury, ischemia, neuroinflammation, siderosis, and hydrocephalus.
Purpose of the Study:
- To review current understanding of cognitive decline post-SAH.
- To explore emerging treatments targeting SAH-induced brain injury.
- To discuss management strategies for optimizing long-term cognitive health in SAH survivors.
Main Methods:
- Literature review of studies on subarachnoid hemorrhage and cognitive outcomes.
- Analysis of pathological processes contributing to cognitive deterioration.
- Evaluation of current and emerging therapeutic interventions.
Main Results:
- Emerging treatments targeting inflammation, iron, and microvascular dysfunction show promise.
- Genetic predispositions influence cognitive outcomes, supporting personalized care.
- Management includes endovascular coiling, surgical clipping, rehabilitation, and pharmacological interventions.
Conclusions:
- Further research is crucial for targeted therapies and genetic markers.
- Innovative approaches are needed to prevent cognitive decline after SAH.
- Optimizing long-term outcomes requires a multi-faceted approach to care and research.
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