Long-term results of percutaneous retrogasserian thermorhizotomy for "essential" trigeminal neuralgia: considerations in 1000 consecutive patients.

G. Broggi, A. Franzini, G. Lasio, C. Giorgi, D. Servello

Research output: Contribution to journalArticlepeer-review

Abstract

Long-term results (average follow-up, 9.3 years) obtained in 1000 consecutive patients suffering from cryptogenetic ("essential") trigeminal neuralgia treated with percutaneous thermorhizotomy are analyzed. Pain relief was obtained in 95% of the treated patients. Permanent morbidity was as follows: masseter weakness in 105 patients; oculomotor palsies in 5 patients; weakening of the corneal reflex in 197 patients, 6 of whom requested an ocular operation for keratitis; and painful dysesthesia in 52 patients, 15 of whom developed a painful anesthesia syndrome. There was a recurrence rate of 18.1%, and a correlation between postoperative sensory deficit and the cure rate was found. These results are discussed and compared to the results obtained with different techniques.

Original languageEnglish
Pages (from-to)783-786
Number of pages4
JournalNeurosurgery
Volume26
Issue number5
Publication statusPublished - May 1990

ASJC Scopus subject areas

  • Clinical Neurology

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