JOURNAL ARTICLE

Keyhole microsurgery for trigeminal neuralgia, hemifacial spasm and glossopharyngeal neuralgia

Zhaoxin Ma, Ming Li, Yi Cao, Xuhui Chen
European Archives of Oto-rhino-laryngology 2010, 267 (3): 449-54
19536556
The aim of the study was to describe and evaluate the efficacy of the keyhole microsurgery to manage patients with trigeminal neuralgia (TN), hemifacial spasm (HFS) and glossopharyngeal neuralgia (GPN). Two hundred and seven patients underwent microvascular decompression (MVD) and neurotomy via retrosigmoid keyhole approach in our department clinic: MVD for trigeminal neuralgia 169 cases, hemifacial spasm 31 cases, glossopharyngeal neuralgia 4 cases and neurotomy for glossopharyngeal neuralgia 3 cases. There was no serious complication such as deaths or infarction in the cerebellum or the brainstem. Complete and partial symptoms relief was obtained in 160 (94.7%) cases and failure 9 (5.3%) cases with MVD for trigeminal neuralgia, postoperatively. Meanwhile, complications occurred in one case with cerebellar hematoma only. The postoperative results of MVD for hemifacial spasm with symptoms relief was noted in 29 (93.5%) cases and failure 2 (6.5%) cases. Postoperative complications occurred in one case with moderate hearing loss, another three cases complained of transient facial paralysis. Symptoms relief achieved in all 7 (100%) cases undergone MVD or neurotomy for glosspharyngeal neuralgia. Postoperative complications occurred in one case with moderate vocal paralysis. We think that microsurgery via retrosigmoid keyhole approach is safe and effective for CPA hyperactive cranial nerve dysfunction syndromes.

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