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Related Experiment Videos

Vasospasm assessed by angiography and computerized tomography.

I Saito, T Shigeno, K Aritake

    Journal of Neurosurgery
    |October 1, 1979
    PubMed
    Summary

    Vasospasm after cerebral aneurysm rupture is linked to neurological deficits and brain infarction. The extent and location of vasospasm, visualized via angiography, correlate with patient prognosis and symptom severity.

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    Area of Science:

    • Neurology
    • Neurosurgery
    • Radiology

    Background:

    • Cerebral aneurysms can rupture, leading to subarachnoid hemorrhage.
    • Vasospasm is a common complication following aneurysm rupture.
    • Understanding vasospasm's impact is crucial for patient outcomes.

    Purpose of the Study:

    • To investigate the relationship between vasospasm distribution, neurological symptoms, and cerebral infarction after ruptured cerebral aneurysm.
    • To evaluate the prognostic significance of vasospasm patterns.

    Main Methods:

    • Bilateral carotid angiography and computerized tomography (CT) were used in 44 patients with ruptured cerebral aneurysms.
    • Correlation of angiographically visualized vasospasm with neurological deficits and CT-detected infarction.

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    Main Results:

    • Vasospasm occurred in intracranial arteries exposed to blood-stained cerebrospinal fluid.
    • Diffuse, bilateral vasospasm indicated a grave prognosis.
    • Vasospasm involving specific arterial territories correlated with the severity and duration of neurological deficits.
    • CT confirmed infarction in 71% of vasospasm cases, particularly when M3 segments were affected.

    Conclusions:

    • The distribution and extent of vasospasm are critical determinants of neurological outcomes after cerebral aneurysm rupture.
    • Angiography and CT are essential tools for assessing vasospasm and predicting infarction.
    • Targeted vasospasm management based on imaging findings may improve patient prognosis.