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Uncorrected Proof. Available online 22 April 2024
Gasserian ganglion stimulation for refractory trigeminal neuropathic pain
Estimulación del ganglio de gasser para dolor neuropático del trigémino refractario
Ó.A. Escobar-Vidartea,b,c, V. Alzate-Carvajalc,d, J.F. Mier-Garcíaa,e,f,
Corresponding author
juan.mier@correounivalle.edu.co

Corresponding author.
a Sección de Neurocirugía, Facultad de Salud, Universidad del Valle, Cali, Colombia
b Hospital Universitario del Valle, Cali, Colombia
c Hospital Universitario Fundación Clínica Valle del Lili, Cali, Colombia
d Universidad Icesi, Hospital Universitario Fundación Valle del Lili, Cali, Colombia
e Clínica de Alta Complejidad Santa Bárbara, Palmira, Colombia
f Clínica Rey David, Cali, Colombia
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Tables (3)
Table 1. Aetiology of RPTN and previous interventional management in six patients.
Table 2. Pre- and post-operative visual analogue scale (VAS) in patients undergoing surgery for RPTN.
Table 3. Percentage of improvement in pain severity according to VAS.
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Abstract
Background and objective

Painful trigeminal neuropathy is a complex clinical entity due to its severity and refractoriness to pharmacological and interventional management. We describe our experience in treating refractory painful trigeminal neuropathy (RPTN) with gasserian ganglion stimulation (GGS).

Materials and methods

Six patients with RPTN were treated with GGS in our Unit between 2019 and 2022. The following data were collected: socio-demographic characteristics, triggering event, duration of the disease and treatment received prior to surgery, pre- and post-intervention visual analogue scale (VAS) score, follow-up time, and pre- and post-intervention functionality and quality of life.

Results

All patients were women who had received aggressive first-, second-, and third-line pharmacological, non-pharmacological, and interventional management before being referred for GGS. Patients reported a 50%–72% decrease in pain on VAS and improved functionality during follow-up.

Conclusions

GGS is a promising therapeutic alternative for patients with RPTN. Although the initial outcomes and experience are encouraging, RPTN is recommended on the basis of safety, reproducibility, and trends observed in clinical practice.

Keywords:
Pain
Facial pain
Technology
Electrical stimulation
Abbreviations:
PTN
RPTN
GGS
VAS
Resumen
Antecedentes y objetivo

El dolor neuropático del trigémino es una entidad clínica compleja por su severidad y refractariedad al manejo farmacológico e intervencionista. Se describe la experiencia en el manejo del dolor neuropático del trigémino refractario (DNTR) mediante la estimulación eléctrica del ganglio de Gasser (EEGG).

Materiales y métodos

Se revisaron las historias clínicas de pacientes con DNTR tratados con la EEGG entre 2019 y 2022, recuperándose 6 casos. Se aplicó un formulario que evaluó sus características socio-demográficas, evento desencadenante del cuadro, tiempo de evolución de la enfermedad y modalidades de tratamiento pre-cirugía, escala visual análoga (EVA) pre y post-operatorias, tiempo de seguimiento, y funcionalidad y calidad de vida pre y post-quirúrgica.

Resultados

Seis mujeres. Tuvieron un manejo agresivo de primera, segunda y tercera línea, farmacológico, no farmacológico e intervencionista, antes de ser llevadas a una EEGG. Hubo una disminución del dolor del 50–72% en la EVA en el seguimiento, con mejoría en la funcionalidad.

Conclusiones

La EEGG podría ser considerada como una alternativa terapéutica prometedora para pacientes que sufren de DNTR. Aunque los resultados y experiencias iniciales son alentadores, esta recomendación se basa en la seguridad, la reproductibilidad y las tendencias observadas en la práctica clínica.

Palabras clave:
Dolor
Dolor facial
Tecnología
Estimulación eléctrica

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