Ultrasound-guided myofascial trigger point injection into brachialis muscle for rotator cuff disease patients with upper arm pain: a pilot study

Inyección guiada por ultrasonido de puntos gatillo miofasciales en el músculo braquial para pacientes con la enfermedad del manguito rotador con dolor del brazo superior: un estudio piloto

Este artículo es publicado originalmente en:
http://www.ncbi.nlm.nih.gov/pubmed/25379497 
http://www.anatomia-fisioterapia.es/es/es/component/content/article/14-articles/systems/musculoskeletal/952-puncion-ecoguiada-de-los-puntos-gatillo-miofasciales 

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Ann Rehabil Med. 2014 Oct;38(5):673-81. doi: 10.5535/arm.2014.38.5.673. Epub 2014 Oct 30.

Ultrasound-guided myofascial trigger point injection into brachialis muscle for rotator cuff disease patients with upper arm pain: a pilot study.

Abstract

OBJECTIVE:

To assess the efficacy of trigger point injection into brachialis muscle for rotator cuff disease patients with upper arm pain.

Para evaluar la eficacia de la inyección de puntos gatillo en el músculo braquial para pacientes con la enfermedad del manguito rotador con dolor del brazo superior.

METHODS:

A prospective, randomized, and single-blinded clinical pilot trial was performed at university rehabilitation hospital. Twenty-one patients clinically diagnosed with rotator cuff disease suspected of having brachialis myofascial pain syndrome (MPS) were randomly allocated into two groups. Effect of ultrasound (US)-guided trigger point injection (n=11) and oral non-steroidal anti-inflammatory drug (NSAID) (n=10) was compared by visual analog scale (VAS).

RESULTS:

US-guided trigger point injection of brachialis muscle resulted in excellent outcome compared to the oral NSAID group. Mean VAS scores decreased significantly after 2 weeks of treatment compared to the baseline in both groups (7.3 vs. 4.5 in the injection group and 7.4 vs. 5.9 in the oral group). The decrease of the VAS score caused by injection (ДVAS=-2.8) was significantly larger than caused by oral NSAID (ДVAS=-1.5) (p<0.05).

CONCLUSION:

In patients with rotator cuff disease, US-guided trigger point injection of the brachialis muscle is safe and effective for both diagnosis and treatment when the cause of pain is suspected to be originated from the muscle.
 CONCLUSIÓN:

En los pacientes con la enfermedad del manguito rotador, la inyección de puntos gatillo guiada por ecografía del músculo braquial es seguro y eficaz para el diagnóstico y tratamiento cuando se sospecha de la causa del dolor que se originó desde el músculo.

KEYWORDS:

Myofascial pain syndromes; Rotator cuff; Shoulder pain; Ultrasonography

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