Percutaneous radiofrequency rhizotomy and neurovascular decompression of the trigeminal nerve for the treatment of facial pain

Arquivos de Neuro-Psiquiatria

Manoel J. Teixeira²  Silvia R.d.t. Siqueira¹  Gilberto M. Almeida¹ 

[1] ,Hospital das Clinicas Head of the Pain Center Neurology Department

关键词: facial pain;    neurosurgery;    trigeminal neuralgia;    radiofrequency rhizotomy;    vascular decompression;    dor facial;    neurocirurgia funcional;    neuralgia trigeminal;    rizotomia por radiofreqüência;    descompressão neurovascular;   

DOI  :  10.1590/S0004-282X2006000600018

来源: SciELO

【 摘 要 】

OBJECTIVE: To determine the outcomes of 354 radiofrequency rhizotomies and 21 neurovascular decompressions performed as treatment for 367 facial pain patients (290 idiopathic trigeminal neuralgia, 52 symptomatic trigeminal neuralgia, 16 atypical facial pain, 9 post-herpetic neuralgia). METHOD: Clinical findings and surgery success rate were considered for evaluation. A scale of success rate was determined to classify patients, which considered pain relief and functional/sensorial deficits. RESULTS: Radiofrequency rhizotomy was performed in 273 patients with idiopathic trigeminal neuralgia and in all other patients, except for trigeminal neuropathy; neurovascular decompression was performed in 18 idiopathic trigeminal neuralgia patients; 100% idiopathic trigeminal neuralgia, 96.2% symptomatic trigeminal neuralgia, 37.5% atypical facial pain and 88.9% post-herpetic neuralgia had pain relief. CONCLUSION: Both techniques for idiopathic trigeminal neuralgia are usefull. Radiofrequency rhizotomy was also efficient to treat symptomatic facial pain, and post-herpetic facial pain, but is not a good technique for atypical facial pain.

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