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Hyperperfusion syndrome after supraaortic vessel interventions and bypass surgery
Arun K Gupta1, S Purkayastha, M Unnikrishnan
1Department of Imaging Sciences and Interventional Radiology, SCTIMST, Trivandrum, 695 011 Kerala, India. gupta209@hotmail.com
Cerebral hyperperfusion syndrome, a complication of brain artery revascularization, occurred in 6.89% of 87 procedures. Careful blood pressure control and staged procedures can largely prevent this risk.
Area of Science:
- Neurology
- Vascular Surgery
- Interventional Cardiology
Background:
- Cerebral hyperperfusion and hemorrhage are known risks associated with revascularization of arteries supplying the brain.
- Procedures include carotid endarterectomy, aortocarotid bypass, and angioplasty with stenting of carotid or vertebral arteries.
Observation:
- A review of 87 revascularization procedures over 15 years identified 6 cases of hyperperfusion syndrome.
- The incidence of hyperperfusion syndrome was observed to be 6.89% in this cohort.
- Two of these cases occurred following combined procedures performed in a single session.
Findings:
- Hyperperfusion syndrome is a recognized complication following craniocervical revascularization.
- The incidence in this study was 6.89% across various arterial procedures.
Implications:
- Strict post-procedural blood pressure management is crucial for preventing hyperperfusion syndrome.
- Staged procedures for multiple vessel stenosis may reduce the risk of complications.
- These preventative measures can significantly mitigate the occurrence of hyperperfusion and hemorrhage after revascularization.
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