Percutaneous retrogasserian glycerol rhizotomy for trigeminal neuralgia. A prospective study of 100 cases.
A prospective study of percutaneous retrogasserian glycerol rhizotomy (PRGR) with and without metrizamide trigeminal cisternography is reported in the treatment of the trigeminal neuralgia. A series of 100 patients with typical trigeminal neuralgia were allocated randomly to two treatment groups: Group I patients received PRGR with trigeminal cisternography (50 cases) and Group II patients received PRGR without trigeminal cisternography (50 cases). The results indicate that PRGR without trigeminal cisternography is a valid alternative to the original technique. Factors that assured the accurate performance of the modified technique proposed in this study were: spontaneous cerebrospinal fluid drainage; radiologically confirmed placement of the thin spinal needle at the clival edge into the trigeminal impression of the petrous apex and in the center of the foramen ovale; a positive response to the glycerol test; clinical control of the final glycerol injection; and an alert and cooperating patient throughout the entire procedure.
M J
MJ
Arias
D000328:Adult; D000368:Aged; D005260:Female; D005990:Glycerol / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D011300:Preoperative Care; D011446:Prospective Studies; D011859:Radiography; D014276:Trigeminal Nerve / Q000601:surgery*; D014277:Trigeminal Neuralgia / Q000000981:diagnostic imaging / Q000601:surgery*
D005990:Glycerol