MRI techniques for patients with hemifacial spasm

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the use of advanced magnetic resonance imaging techniques, specifically curved planar reconstruction and magnetic resonance virtual endoscopy, to better visualize neurovascular compressions in patients with hemifacial spasm. Traditional imaging methods may not adequately identify the details of these compressions, particularly when the vessels involved are veins rather than arteries. By employing three-dimensional analytic techniques, the study aims to enhance the sensitivity and specificity of imaging, which could assist in planning surgical interventions. The study focuses on patients with a history of unilateral facial muscle spasms lasting at least one year.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Primary HFS patients according to medical history and typical facial muscle spasms that are unilateral, involuntary, and had intermittent contractions innervated by the ipsilateral facial nerve. The patient has 1 year disease duration at least.

Exclusion Criteria:

* Secondary causes of HFS, such as tumors or cysts compressing the facial nerve in the cerebellar pontine cistern; Precarious general health status; Percutaneous lesions or surgical treatments; Cardiac pacemaker or metal implants.

Where it's running

• The First Affiliated Hospital of Xi'an Jiaotong University
  Xi'an, Shaanxi, China Recruiting

Study contacts

• Principal investigator: Ming Zhang, M.D. & Ph.D. — First Affiliated Hospital Xi'an Jiaotong University
• Study coordinator: Yuan Wang, M.D.
• Email: wangyuan8003@126.com
• Phone: 0086-13324598144

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.