J Korean Neurosurg Soc.  2020 Nov;63(6):814-820. 10.3340/jkns.2020.0139.

Clinical Outcome of Percutaneous Trigeminal Nerve Block in Elderly Patients in Outpatient Clinics

• Seo HJ
• Park CK
• Choi MK
• Ryu J
• Park BJ

• KMID: 2508612
• DOI: http://doi.org/10.3340/jkns.2020.0139

Abstract

Objective
: Trigeminal neuralgia (TN) is a severe neuropathic condition that affects several elderly patients. It is characterized by uncontrolled pain that significantly impacts the quality of life of patients. Therefore, the condition should be treated as an emergency. In the majority of patients, pain can be controlled with medication; however, other treatment modalities are being explored in those who become refractory to drug treatment. The use of the trigeminal nerve block with a local anesthetic serves as an excellent adjunct to drug treatment. This technique rapidly relieves the patient of pain while medications are being titrated to effective levels. We report the efficacy and safety of percutaneous trigeminal nerve block in elderly patients with TN at our outpatient clinic.
Methods
: Twenty-one patients older than 65 years with TN received percutaneous nerve block at our outpatient clinic. We used bupivacaine (1 mL/injection site) to block the supraorbital, infraorbital, superior alveolar, mental, and inferior alveolar nerves according to pain sites of patients.
Results
: All patients reported relief from pain, which decreased by approximately 78% after 2 weeks of nerve block. The effect lasted for more than 4 weeks in 12 patients and for 6 weeks in two patients. There were no complications.
Conclusion
: Percutaneous nerve block procedure performed at our outpatient clinic provided immediate relief from pain to elderly patients with TN. The procedure is simple, has no serious side effects, and is easy to apply.

Keyword

Trigeminal neuralgia; Nerve block; Bupivacaine; Emergency

Figure

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  Fig. 1. Score after treatment of each patient.

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  Fig. 2. Score after treatment of each branch of trigeminal nerve. N : nerve, Sup. : superior, Inf. : inferior.

Reference

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