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Updated: Jan 30, 2026
Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
Published on: January 18, 2018
Hyperperfusion after Endovascular Reperfusion Therapy for Acute Ischemic Stroke
Koji Shimonaga1, Toshinori Matsushige1, Masahiro Hosogai2
1Department of Neurosurgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan; Department of Neurosurgery and Interventional Neuroradiology, Hiroshima City Asa Citizens Hospital, Hiroshima, Japan.
Hyperperfusion after acute ischemic stroke (AIS) reperfusion impacts outcomes, potentially prolonging conscious disturbance. Identifying stroke type is crucial for managing post-revascularization treatment.
Area of Science:
- Neurology
- Interventional Neurology
- Neuroimaging
Background:
- Acute ischemic stroke (AIS) patients can experience lasting deficits post-thrombectomy.
- Hemodynamic shifts after reperfusion may influence neurological outcomes.
- Investigating hyperperfusion factors and their impact is critical.
Observation:
- 48% of AIS patients showed hyperperfusion post-successful revascularization.
- Neurological status was assessed using NIHSS.
- MRI techniques (DWI, ASL) evaluated lesions and blood flow.
Findings:
- Hyperperfusion correlated with improved NIHSS at 24 hours.
- It also linked to shorter duration of consciousness disturbance.
- Associations found with DWI-ASPECTS, hemorrhagic transformation, and 90-day mRS.
Implications:
- Hyperperfusion post-reperfusion can prolong conscious disturbance and affect outcomes.
- Understanding stroke etiology is key for managing post-revascularization treatment.
- Further research into hyperperfusion mechanisms is warranted.
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