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Revista Colombiana de Reumatología (English Edition) Retrospective study on the effectiveness of ultrasound-guided interdigital injec...
Journal Information
Vol. 32. Issue 3.
Pages 183-189 (July - September 2025)
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198
Vol. 32. Issue 3.
Pages 183-189 (July - September 2025)
Original Investigation
Retrospective study on the effectiveness of ultrasound-guided interdigital injection of botulinum toxin for the treatment of Raynaud's phenomenon
Estudio retrospectivo sobre la efectividad de la infiltración ecoguiada interdigital de toxina botulínica para el tratamiento del fenómeno de Raynaud
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198
Ángel Estuardo Plasencia Ezainea, Marco Aurelio Ramírez Huarangaa,
Corresponding author
hurauma@hotmail.com

Corresponding author.
, Rocío Arenal Lópeza, David Castro Corredorb, Verónica Salas Manzanedob, María Dolores Mínguez Sánchezb, Elisa Sánchez Rodríguezc
a Interventional Rheumatology, Chronic Pain Treatment Unit, Hospital General Universitario, Ciudad Real, Spain
b Rheumatology Service, Hospital General Universitario, Ciudad Real, Spain
c Rheumatology Service, Hospital Santa Bárbara, Puertollano, Ciudad Real, Spain
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Table 1. Demographic and clinical characteristics.
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Table 2. Clinical response after ultrasound-guided administration of botulinum toxin.
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Abstract
Introduction

Raynaud's phenomenon (RP) is a vasospastic condition that carries a significant burden of pain and disability. When conventional therapies are not sufficiently effective, the need arises to explore other therapeutic alternatives such as interdigital botulinum toxin (BT) injection.

Objective

To determine clinical improvement in patients with RP (number of daily episodes, Visual Analogue Scale (VAS) during episodes, duration of episodes, and Raynaud Condition Score).

Materials and methods

Observational, descriptive, retrospective study of patients with RP who received ultrasound-guided interdigital injection of type A BT. Data from post-procedure controls (months 1, 3, and 6) were obtained, and analysis was performed using the Wilcoxon test through the StatPlus programme.

Results

The study was conducted on 8 patients (100% female) with a mean age of 48.5 years, all of whom had RP secondary to a systemic disease (87.5% systemic sclerosis). Significant differences were observed (median and interquartile range) in the number of RP episodes in the first month (P: .043). The pain VAS for each episode decreased in the first month (P: .027) and in the third month (P: .043). Differences were found in the Raynaud condition score in the first month (P: .027) and the third month (P: .043).

Conclusions

Ultrasound-guided interdigital injection of type A BT could be an adjuvant treatment for patients with RP.

Keywords:
Raynaud's disease
Botulinum toxin type A
Therapeutic procedures
Systemic sclerosis
Resumen
Introducción

El fenómeno de Raynaud (FR) es una condición vasoespástica que conlleva una carga significativa de dolor y discapacidad. Cuando las terapias habituales no son suficientemente efectivas, surge la necesidad de buscar otras alternativas terapéuticas como la toxina botulínica (TB) interdigital.

Objetivo

Determinar la mejoría clínica de los pacientes con FR (número de episodios diarios, EVA durante episodios, duración de los episodios y el Raynaud Condition Score).

Materiales y métodos

Estudio observacional, descriptivo, retrospectivo, de los pacientes con FR a quienes se les realizó una infiltración ecoguiada interdigital de TB tipo A. Se obtuvieron los datos de los controles postprocedimiento (meses 1, 3 y 6) y se realizó el análisis mediante la prueba de Wilcoxon, para lo cual se empleó el programa StatPlus.

Resultados

Se realizó el estudio en ocho pacientes (100% mujeres) con una media de edad 48,5 años, todas con FR secundario a una enfermedad sistémica (87,5% esclerosis sistémica). Se evidenciaron diferencias significativas (mediana y rango intercuantílico) en el número de los episodios de FR en el primer mes (P:, 043). El EVA de dolor de cada episodio se redujo el primer mes (P = ,027) y en el tercer mes (P = ,043). Se encontraron diferencias en el Raynaud Condition Score al primer mes (P = ,027) y al tercer mes (P = ,043).

Conclusiones

La TB tipo A infiltrada de forma ecoguiada interdigital podría ser un tratamiento adyuvante para los pacientes con FR.

Palabras clave:
Enfermedad de Raynaud
Toxina botulínica tipo A
Procedimientos terapéuticos
Esclerosis sistémica

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