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Updated: May 14, 2026

Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
Published on: June 18, 2021
Current management and treatment of cerebral vasospasm complicating SAH
Anna Luisa Kühn1, Joyce Saleh Balami, Iris Quasar Grunwald
1Department of Radiology, University of Massachusetts, Worcester, MA, USA.
Insights
Cerebral vasospasm following subarachnoid hemorrhage remains a major cause of death and disability. This review covers current and future treatments to prevent vasospasm-induced stroke after subarachnoid hemorrhage.
Area of Science:
- Neurology
- Neurosurgery
- Vascular Neurology
Background:
- Cerebral vasospasm is a significant complication of aneurysmal subarachnoid hemorrhage (aSAH).
- It remains a primary cause of morbidity and mortality despite advances in aSAH treatment.
- SAH-induced vasospasm leads to reduced cerebral perfusion, causing ischemia.
Purpose of the Study:
- To review current therapeutic options for cerebral vasospasm post-SAH.
- To discuss future strategies for reducing vasospasm-induced stroke.
- To highlight diagnostic modalities for SAH-induced vasospasm.
Main Methods:
- Review of current medical and endovascular therapies.
- Discussion of diagnostic tools including transcranial doppler, digital subtraction angiography, CT, and MR.
- Analysis of pathophysiology including vasculopathy, impaired autoregulation, and hypovolemia.
Main Results:
- Cerebral vasospasm can be asymptomatic or symptomatic (delayed ischemic neurologic deficit).
- Digital subtraction angiography is the gold standard for diagnosis, while transcranial doppler is a common screening tool.
- Medical and endovascular therapies are current treatment mainstays.
Conclusions:
- Effective management of cerebral vasospasm is crucial for improving outcomes after aSAH.
- Further research into novel therapeutic approaches is needed to reduce stroke incidence.
- Early diagnosis and timely intervention are key to mitigating neurological deficits.
Abstract:
Cerebral vasospasm is a common and serious complication of aneurysmal subarachnoid haemorrhage. Despite the improvements in treatment of aneurysmal subarachnoid haemorrhage (aSAH), cerebral vasospasm complicating aSAH has remained the main cause of morbidity and mortality. Subarachnoid haemorrhage (SAH)-induced vasospasm is a complex entity caused by vasculopathy, impaired autoregulation, and hypovolaemia, causing a regional reduction of cerebral brain perfusion which can then induce ischaemia. Cerebral vasospasm can present either asymptomatically detected only radiologically or symptomatically (delayed ischaemic neurologic deficit). The various diagnostic approaches include the use of transcranial doppler, digital subtraction angiography and multimodal computed tomography (CT) and magnetic resonance (MR) techniques. Although digital subtraction angiography is usually the gold standard for the diagnosis of cerebral vasospam, transcranial doppler is commonly the first-screening method for the detection of cerebral vasospam. The treatment of subarachnoid haemorrhage -induced vasospasm include the use of both medical and endovascular therapy. The aim of this review is to discuss the various current therapeutic options and future perspective measures for reducing cerebral vasospasm induced stroke after SAH.
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