Indication of Gasserian ganglion coagulation for trigeminal neuralgia.

(1) Adequately extensive production of 5-gram analgesia is essential for satisfactory control of pain. (2) 87% of the 95 cases which underwent Gasserian ganglion coagulation have obtained satisfactory control of tic pain. (3) Another 6% of the cases could have satisfactory control with repeated coagulation, judged by the extent of analgesia after the first coagulation. (4) Based on the above findings we can now generally predict efficacy of this procedure.