Gasserian Ganglion; Lesion, Trigeminal Neuralgia
Conditions
Brief summary
Trigeminal neuralgia is common painful disorder in pain medicine clinics. Gasserian ganglion radiofrequency thermocoagulation is one of the treatment option in patients with trigeminal neuralgia in refractory cases. The most commonly involved branch in trigeminal neuralgia is the mandibular branch. Masseter muscle is innervated by mandibulary nerve branch of the trigeminal nerve. The radiofrequency thermocoagulation therapy is used to ablate the affected trigeminal nerve branch and some of patients complain of subjective masseter weakness after this procedure. In theoretical basis, muscles innervated by target nerve are affected from ablation procedure. In this study the primary aim is to evaluate the change of the masseter muscle thickness in patients treated by gasserian ganglion radiofrequency thermocoagulation. The results may also show possible functional effect of the procedure related with masseter muscle.
Interventions
PROCEDUREGasserian Ganglion Radiofrequency Thermocoagulation
Gasserian ganglion radiofrequency thermocoagulation is performed in the operating room under fluoroscopy. In sterile condition, the foramen ovale is shown by the pain management specialist under fluoroscopy guidance. After this condition, the entry of the needle is marked and anaesthetised with local anaesthetic. After the entry of the gasserian ganglion with the radiofrequency needle, 10 cm long, the location is checked with sensory and motor stimulation. If the placement is correct, 70 degrees 70 seconds of radiofrequency thermocoagulation is applied.
Sponsors
Başakşehir Çam & Sakura City Hospital
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
40 Years to 85 Years
Healthy volunteers
No
Inclusion criteria
* Pain refractory to medical therapy for at least 3 months * Planning radiofrequency thermocoagulation of gasserian ganglion * Accept ultrasound measurements to be performed
Exclusion criteria
* Refused to participate in the study * Not attending follow-ups regularly * Coagulation disorder * Pregnancy * Localized or systemic infection
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Masseter muscle thickness | Pre-procedural time | The thickness of the masseter muscle will be measured and recorded by ultrasound while bilaterally contracted and relaxed. |
Countries
Turkey (Türkiye)
Contacts
Primary ContactBurak Erken, MD
Outcome results
None listed