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  • A Clinical Analysis on Microvascular Decompression Surgery for Treatment of Hemifacial Spasm: 2500 Cases Review in a Single Institute

    Final Number:
    219

    Authors:
    Myeongki Yeo; Bong Jin Park MD, PhD; Hridayesh Pratap Malla MD; Bong Arm Rhee MD; Young Jin Lim MD

    Study Design:
    Clinical Trial

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2017 Annual Meeting

    Introduction: Hemifacial spasm (HFS) is caused by vascular compression of the facial nerve at its root exit zone from the brainstem. Microvascular decompression (MVD) is the only treatment option that offers the prospect of a definitive cure for HFS. However, this surgery can be risky and the postoperative outcomes might not be good enough sometimes. In order to refine that, we investigated our result of MVDs.

    Methods: : Among 2500 consecutive cases of MVDs have been performed in our institute between January 2000 and December 2015, 2196 patients were enrolled in the current study. They were retrospectively analyzed with emphasis on postoperative outcomes and complications.

    Results: Postoperatively, the spasm complete cease occurred immediately in 73.4%. The symptoms improved at some degree in 22.7%. The spasm not improved at all in 3.9%. However, the symptom free rate was 88.3% at 6 months after surgery. Eventually, the successful rate was increased by 93.1% at 1 year after MVD. Major complications included permanent hearing disturbance (1.13%), permanent facial palsy (0.4%), vertebral artery injury (0.2%), subdural hemorrhage (0.2%), and epidural hemorrhage (0.1%). Minor complications included transient cerebrospinal fluid leakage (1.3%), infection (0.6%).

    Conclusions: MVD is a safe and effective treatment for HFS. A precise recognition of the neurovascular conflict site lead to a successful MVD.

    Patient Care: outcome improvement of MVD

    Learning Objectives: outcome of MVD

    References:

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