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Clinical Trial
Percutaneous radio-frequency thermocoagulation of the Gasserian ganglion guided by high-speed real-time CT fluoroscopy.
- Shiro Koizuka, Shigeru Saito, Kenichi Sekimoto, Masaru Tobe, Hideaki Obata, and Yoshinori Koyama.
- Department of Anesthesiology, Gunma University Graduate School of Medicine, Maebashi, Japan. skoizuka@med.gunma-u.ac.jp
- Neuroradiology. 2009 Sep 1;51(9):563-6.
IntroductionAlthough Gasserian ganglion block is an established treatment for trigeminal neuralgia, the foramen ovale cannot always be clearly visualized by classical X-ray radiography. We present a new method for percutaneous radio-frequency thermocoagulation of the Gasserian ganglion, in which computed tomography (CT) fluoroscopy is used to guide needle placement.MethodsIn the present study, 15 patients with trigeminal neuralgia underwent percutaneous radio-frequency thermocoagulation of the Gasserian ganglion guided by high-speed real-time CT fluoroscopy.ResultsTrigeminal neuralgia was improved in all patients after treatment without any severe complications. Moderate dysesthesia occurred in only one case.ConclusionCT fluoroscopy-guided percutaneous radio-frequency thermocoagulation of the Gasserian ganglion was safe, quick, and effective for patients with intractable idiopathic trigeminal neuralgia.
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