Intracranial Arteriovenous Malformations Clinical Trial
Official title:
Blood Oxygen Level Dependent fMRI Navigation for Function Protection in Intracranial Arteriovenous Malformation Surgery: a Multicenter Prospective Randomized Controlled Single Blind Clinical Trial
Little is known about the effect of fMRI navigation in the intracranial arteriovenous malformation surgery. The investigators aim to perform a multicenter prospective randomized single -blind clinical trial to assess the effect and safety of fMRI navigation in the brain arteriovenous malformation surgery.
Intracranial arteriovenous malformations (AVMs) are congenital lesions that consist of
multiple arteries and veins, connecting as a fistula without an intervening normal capillary
bed. Surgical removal is thought as a major treatment option for AVMs. However, compared
with stereotaxic radiosurgery and endovascular embolization, microsurgery of AVMs is
regarded with high mortality and morbidity, particular for high level classification AVMs .
Blood oxygen level dependent fMRI can be used to mapping the motor and language regions of
the brain noninvasively. It has been one of the most advanced functional imaging techniques
and it has quickly grown to be a vital tool for clinical and cognitive neuroscience
research. Many clinical researches have been reported about the utility of fMRI in brain
tumor surgery. However, the effect of fMRI navigation for neurofunction protection in the
intracranial arteriovenous malformation surgery was unclear.
We aim to perform a multicenter prospective randomized single -blind clinical trial to
assess the safety and effect of fMRI navigation in the intracranial AVMs surgery. We
hypothesize that application of blood oxygen level dependent fMRI is able to improve long
term prognosis of patients.
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Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Treatment
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