Classification and protective strategies of superior petrosal vein in micorvascular decompression for trigeminal neuralgia

doi:10.3877/cma.j.issn.2095-123X.2021.04.003

Abstract

Abstract:

Objective

To explore the surgical strategy of treating superior petrosal vein in microvascular decompression (MVD) for primiary trigeminal neuralgia (TN).

Methods

The clinical data of 221 patients with primary TN who underwent MVD in the Neurosurgery Department of Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School from August 2017 to February 2019 were analyzed retrospectively. Based on the location realtionship between superior petrosal vein and trigemianl nerve and auditory nerve, the superior petrosal vein was diviede into three types. The protective strategies of different types of superior petrosal vein were summed up.

Results

There were 67 cases (30.3%) of type Ⅰ, 125 cases (56.6%) of type Ⅱ, and 29 cases (13.1%) of type Ⅲ. After MVD, the facial pain disappeared in 213 patients and relieved in 7 patients, 1 patient showed no improvement after surgery. No superior petrosal vein was sacrificed and no serious complications like death, cerebral hemorrhage or cerebral infarction were observed.

Conclusion

Classification of superior petrosal vein and selection of appropriate surgical strategy can effectively protect superior petrosal vein, which is of great significance to improve the safety of MVD in the treatment of TN and reduce postoperative complications.

Key words: Trigeminal neuralgia, Microvascular decompression, Superior petrosal vein

Chengrong Jiang, Wu Xu, Yulong Chong, Jing Wang, Lu Zhou, Weibang Liang. Classification and protective strategies of superior petrosal vein in micorvascular decompression for trigeminal neuralgia[J]. Chinese Journal of Brain Diseases and Rehabilitation(Electronic Edition), 2021, 11(04): 200-203.

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References 19

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