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Persistent trigeminal artery with internal carotid artery occlusion
Neurosurgery
|September 1, 1983
Summary
A persistent trigeminal artery can protect the brain when the internal carotid artery is blocked. This embryological remnant plays a significant role in brain blood flow regulation.
Area of Science:
- Neuroscience
- Vascular Biology
- Embryology
Background:
- The internal carotid artery (ICA) is a major blood supplier to the brain.
- Embryological arteries can persist into adulthood, altering cerebral hemodynamics.
Observation:
- A case study of a patient presenting with internal carotid artery occlusion.
- The patient also exhibited a persistent trigeminal artery (PTA).
Findings:
- The persistent trigeminal artery provided an alternative blood supply pathway.
- Hemodynamic analysis suggests a protective role for the PTA in cases of ICA occlusion.
Implications:
- Understanding persistent embryological arteries is crucial for diagnosing and managing cerebrovascular diseases.
- The PTA may represent a significant collateral pathway, influencing stroke risk and treatment strategies.