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Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Microvascular Decompression: Salient Surgical Principles and Technical Nuances

Published on: July 5, 2011

Surgical technique for trigeminal microvascular decompression.

Giovanni Broggi¹, Morgan Broggi, Paolo Ferroli

¹Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.

Acta Neurochirurgica

|April 26, 2012

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Microvascular decompression (MVD) is a safe and effective treatment for trigeminal neuralgia (TN). This procedure resolves neurovascular conflicts by repositioning the offending blood vessel away from the trigeminal nerve.

Area of Science:

Neurosurgery
Neurology

Background:

Trigeminal neuralgia (TN) is often caused by neurovascular conflict.
Microvascular decompression (MVD) is a non-ablative surgical technique to address this conflict.

Purpose of the Study:

To describe the MVD procedure for treating idiopathic trigeminal neuralgia.
To highlight MVD as a primary treatment for TN.

Main Methods:

Retrosigmoid craniectomy approach to the cerebellopontine angle and trigeminal nerve.
Identification and repositioning of the offending blood vessel.
Use of oxidized regenerated cellulose to maintain vessel separation from the nerve.

Main Results:

Successful identification and repositioning of the causative vessel.

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Separation of the trigeminal nerve from vascular compression.

Conclusions:

Microvascular decompression is the gold standard treatment for trigeminal neuralgia.
The goal of MVD is to eliminate nerve-vessel contact, resolving TN symptoms.