Microvascular decompression for spasmodic torticollis

Area of Science:

• Neurosurgery
• Neurology

Background:

• Spasmodic torticollis (ST) is a debilitating condition characterized by involuntary neck muscle contractions.
• Current treatment options for ST have varying degrees of efficacy and potential side effects.

Purpose of the Study:

• To evaluate the safety and efficacy of microvascular decompression (MVD) for treating spasmodic torticollis (ST).
• To assess the long-term outcomes of MVD in patients with ST.

Main Methods:

• Twenty patients with ST underwent MVD targeting spinal accessory nerves, upper cervical nerve roots, and brainstem.
• Surgical approaches included suboccipital craniectomy with C1 laminectomy or retromastoid craniectomy.
• The most common vascular compressions identified were the vertebral artery and/or posterior inferior cerebellar artery.

Main Results:

• 65% of patients were cured, and 20% showed significant improvement with minimal spasm.
• Improvement was gradual, typically observed over 6 months to 2 years post-surgery.
• No operative mortality occurred; morbidities were transient or fully recovered.

Conclusions:

• Microvascular decompression is a safe and effective treatment for spasmodic torticollis.
• MVD provides a high probability of cure or significant symptom relief for ST patients.
• This nondestructive procedure offers a favorable risk-benefit profile for managing ST.