Rev. Soc. Esp. Dolor. 2023; 30(3): 168-177 / DOI: 10.20986/resed.2023.3927/2021
Héctor Gutiérrez, Jonathan Zavala, Juan Valenzuela, Carlos Poblete, Felipe Araya
RESUMEN
Objetivo: Determinar la efectividad clínica de adicionar el ejercicio de elongación de “estiramiento acostado” a un programa de ejercicios específicos en pacientes con síndrome de pinzamiento subacromial (SPSA).
Diseño: Estudio clínico aleatorizado ciego simple. Método: Se reclutaron en forma prospectiva 64 pacientes con diagnóstico clínico e imagenológico de SPSA, quienes fueron asignados a dos grupos al azar. El grupo control (n = 32) recibió un programa de ejercicios de 12 semanas, el grupo de intervención (n = 32) recibió el mismo programa más un ejercicio de elongación de la cápsula posterior. Ambos grupos fueron evaluados al inicio y al finalizar el tratamiento. La medida de resultado primaria fue la función del hombro con el cuestionario Constant-Murley, las medidas de resultado secundarias fueron la función de la extremidad superior con el cuestionario DASH y el dolor en reposo y al movimiento con la escala visual analógica (EVA).
Resultados: Todos los pacientes completaron el estudio. Al finalizar el tratamiento el cuestionario Constant-Murley mostró una diferencia de 3 puntos (p = 0.864) y el cuestionario DASH una diferencia fue de 2 puntos (p = 0.941), ambas diferencias son a favor del grupo de intervención, pero no son ni clínica ni estadísticamente significativas. Para la EVA en reposo la diferencia fue de 0,2 cm (p = 0,096) y la EVA al movimiento fue de 0,4 cm (p = 0,378), en ambas la diferencia en la reducción del dolor fue mayor en el grupo control.
Conclusión: A corto plazo, adicionar el ejercicio de “estiramiento acostado” no proporciona un beneficio clínico ni estadísticamente significativo con respecto a la mejora funcional o la reducción del dolor en pacientes con SPSA.
ABSTRACT
Objective: To determine the clinical effectiveness of adding the exercise of “sleep-stretch” to a specific exercise program in patients with subacromial impingement syndrome (SIS).
Design: Randomized controlled trial, single-blinded.
Methods: Sixty-four patients with clinical and imagenologic diagnosis of SIS were prospectively recruited, who were randomly allocated to two groups. The control group (n = 32) received a 12-week exercise program, and intervention group (n = 32) received the same program plus stretching of the posterior capsule. Both groups were assessed at baseline and at the end of the treatment. The primary outcome measure was shoulder function assessed with Constant-Murley questionnaire. Secondary outcomes measures were upper limb function assessed with the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire, and pain at rest and movement with visual analog scale (VAS).
Results: All patients completed the trial. At the end of the treatment, Constant-Murley questionnaire showed a difference of 3 points (p = 0.864), and the DASH questionnaire a difference was 2 points (p = 0.941), both differences were in favor of the intervention group, but they are neither clinically or statistically significant. For the VAS at rest the difference was 0.2 cm (p = 0.096) and the VAS at movement was 0.4 cm (p = 0.378), both differences in pain reduction was greater in the control group.
Conclusion: In the short term, the addition of a “sleep-stretch” exercise does not provide a clinically or statistically significant benefit with respect to functional improvement or pain reduction in patients with SIS.
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