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Long-term Outcomes of Microvascular Decompression in the Treatment of Hemifacial Spasm Based on Different Offending Vessels.

AbstractOBJECTIVE:
 To evaluate clinical features, outcomes, and complications in patients with hemifacial spasm (HFS) after microvascular decompression (MVD) of different offending vessels.
METHODS:
 Clinical data were collected from 362 patients with HFS treated with MVD between January 2013 and January 2014. Patients were divided into five groups based on the offending vessel: A (anterior inferior cerebellar artery [AICA] compression), B (posterior inferior cerebellar artery [PICA] compression), C (AICA plus PICA compression), D (vertebral artery [VA] compression), and E (VA plus small vessel compression).
RESULTS:
 The most common offending vessel was the AICA (51.38%). The most common compression site was the root exit zone. During the follow-up period, the effective rate was 95.48% in group A, 92.15% in group B, 93.10% in group C, 90.14% in group D, and 91.45% in group E. Twenty-nine patients exhibited delayed facial palsy, the most common complication.
CONCLUSION:
 No statistically significant differences were found in long-term outcomes or MVD-related complications among the study groups. The type of offending vessel was not a prognostic factor for MVD in patients with HFS.
AuthorsHua Zhao, Yinda Tang, Xin Zhang, Jin Zhu, Yan Yuan, Ping Zhou, Shiting Li
JournalJournal of neurological surgery. Part A, Central European neurosurgery (J Neurol Surg A Cent Eur Neurosurg) Vol. 80 Issue 4 Pg. 285-290 (Jul 2019) ISSN: 2193-6323 [Electronic] Germany
PMID31018226 (Publication Type: Journal Article)
CopyrightGeorg Thieme Verlag KG Stuttgart · New York.
Topics
  • Adult
  • Aged
  • Basilar Artery
  • Facial Paralysis (epidemiology)
  • Female
  • Hemifacial Spasm (diagnosis, etiology, surgery)
  • Humans
  • Male
  • Microvascular Decompression Surgery (adverse effects)
  • Middle Aged
  • Postoperative Complications (epidemiology)
  • Retrospective Studies
  • Treatment Outcome
  • Vertebral Artery

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