• Xin Zhang, Hua Zhao, Jin Zhu, Yinda Tang, Tingting Ying, Yan Yuan, and Shiting Li.
• Department of Neurosurgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Center for Diagnosis and Treatment of Cranial Nerve Diseases, Shanghai Jiao Tong University, Shanghai, China.
• World Neurosurg. 2017 Aug 1; 104: 186-191.

BackgroundMicrovascular decompression (MVD) is the most useful treatment for hemifacial spasm (HFS). In cases of vertebral artery (VA) compression of the facial nerve, MVD is often difficult. In this study, we compared the outcome of the biomedical glue sling technique with the traditional technique in MVD for HFS involving the VA.MethodsA retrospective study of patients with HFS treated by MVD was conducted between January 2013 and December 2015. A total of 327 patients with VA-associated HFS underwent their first MVD at our institution. Among them, the traditional technique was performed in 153 patients and the biomedical glue sling technique was performed in 174 patients. We measured effectiveness at 1 day, 7 days, 1 month, 3 months, and 1 year after MVD surgery.ResultsIn the traditional technique group, the effective rates of MVD were 89.54%, 88.89%, 89.40%, 88.44%, and 86.71%, and the incidence rates of complication were 5.23%, 4.58%, 3.97%, 2.72%, and 0.70%. In the biomedical glue sling technique group, the effective rates of operation were 96.55%, 96.55%, 97.66%, 95.86%, and 95.76% (P < 0.05), and the incidence rates of complication were 8.62%, 8.62%, 7.60%, 4.73%, and 2.42% (P > 0.05).ConclusionWhen the HFS were associated with the VA, the effective rate of biomedical glue sling technique of MVD was higher than the traditional technique, and there was no statistical difference between the 2 groups about the incidence of complication.Copyright © 2017 Elsevier Inc. All rights reserved.

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