The Efficacy of Microvascular Decompression in Disabling Positional Vertigo.
- Author:
Seog Kyun MUN
1
;
Min Woo WI
;
Sang Yong PARK
;
Moon Oh KWON
;
Sung Nam HWANG
Author Information
1. Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Chung-Ang University, Seoul, Korea. entdoctor@freechal.com
- Publication Type:Original Article
- Keywords:
Disabling positional vertigo;
Microvascular decompression
- MeSH:
Bed Rest;
Cochlear Nerve;
Cranial Nerves;
Female;
Glycosaminoglycans;
Head;
Hearing;
Hearing Loss;
Herpes Zoster Oticus;
Humans;
Male;
Microvascular Decompression Surgery;
Pica;
Retrospective Studies;
Sensation;
Tinnitus;
Veins;
Vertigo;
Vestibulocochlear Nerve
- From:Korean Journal of Otolaryngology - Head and Neck Surgery
2008;51(9):783-789
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
BACKGROUND AND OBJECTIVES: Disabling positional vertigo (DPV) refers to the cross-compression of the eighth cranial nerve from vessels in the posterior fossa which causes symptoms of vestibular disturbances. The most common symptom is a whirling sensation that is worse when the head is in a specific position and is abated with total bed rest. Many patients with DPV also have symptoms of auditory nerve and/or adjacent cranial nerve involvement, such as tinnitus, hearing disturbance, geniculate neuralgia, facial twitching. To analyze DPV, the authors reviewed patients with DPV who underwent microvascular decompression (MVD) in our institution. SUBJECTS AND METHOD: A retrospective study was performed on 11 patients with DPV who underwent MVD from January 2002 to September 2007. Information was collected on sex, age, symptoms, offending vessels, the success rate, surgical complications. RESULTS: Three patients were male and eight were female. Their mean age was 55.1 years (range 37-70). The most common offending vessel was AICA in 7 cases (64%) and second vessel was PICA in 3 cases (27%). Only one case (9%) had a vein. Patterns of improvement after MVD could be divided into 3 clinical types. There was complete recovery after operation in 8 cases, partial recovery in 2 cases, and recovery failure in 1 case. There were no major complications except hearing impairment in 1 case. CONCLUSION: This study shows that MVD provides a high rate of success with low morbidity, and can be regarded as one effective procedure for DPV.
