Clip-grafts in microvascular decompression of the posterior fossa

Technical note

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✓ A method is described for the protection of the trigeminal root from recurrent vascular irritation or compression after posterior fossa microvascular decompression. A vascular clip-graft, using a Sundt clip of suitable size, is applied to the sensory root of the trigeminal nerve. The technique has proven safe and effective in a series of nine patients followed for up to 28 months.

Article Information

Address reprint requests to: Edward R. Laws, Jr., M.D., Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota 55905.

© AANS, except where prohibited by US copyright law.

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Figures

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    Diagrams showing exposure (A), anatomy (B), and technique of clip-graft application to the trigeminal sensory root (C) for the management of trigeminal neuralgia. PICA = posterior inferior cerebellar artery.

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    Anteroposterior (left) and basal (right) skull films showing a Sundt-Kees clip in place on the trigeminal root.

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