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Vol. 148. Issue 1.
Pages 16-19 (January 2017)
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Vol. 148. Issue 1.
Pages 16-19 (January 2017)
Brief report
Effect of mechanical vibration on transcutaneous oxygen levels in the feet of type 2 diabetes mellitus patients
Efecto de la vibración mecánica sobre los niveles de oxígeno transcutáneo medidos en el pie de pacientes con diabetes mellitus tipo 2
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Gerardo Rodríguez Reyesa,
Corresponding author
grodriguezreyes@gmail.com

Corresponding author.
, Lidia Núñez Carrerab, Aldo Alessi Monteroc, Adriana Solís Vivancod, Ivett Quiñones Uriosteguib, Alberto Isaac Pérez Sanpablob
a Laboratorio de Ortesis y Prótesis, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra (INRLGII), Mexico City, Mexico
b Laboratorio de Análisis de Movimiento Humano, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra (INRLGII), Mexico City, Mexico
c Laboratorio de Ingeniería de Rehabilitación, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra (INRLGII), Mexico City, Mexico
d Servicio de Oftalmología-Retina y Vítreo, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra (INRLGII), Mexico City, Mexico
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Table 1. Characteristics of the study sample.
Abstract
Background and objective

Foot conditions in patients with diabetes mellitus (DM) are major causes of morbidity and disability. Whole body vibration may promote blood circulation in the lower limbs, hence facilitating perfusion and promoting the supply of nutrients and oxygen to comprised tissues. Transcutaneous oxygen levels (TcPO2)>40mmHg in cases of diabetic foot syndrome are associated with a good prognosis in the resolution of ulcers. The objective of this study was to determine whether whole body vibration favors some parameters of interest related to complications associated with the diabetic foot syndrome.

Patients and methods

Fifty-four patients with DM were included in a 12-week exercise program based on whole body vibration. Glycemic control was determined on the basis of the patients’ levels of glycated hemoglobin (HbA1c); sensitivity and TcPO2 levels of each foot were also recorded. Assessments were performed prior to initiating the whole body vibration program and at the end of it.

Results

No significant changes were observed in the patients’ HbA1c (P=.442) levels or sensitivity (P=.07). A significant 7mmHg increase (P<.0001; effect size: d=0.53) was observed in the concentration of TcPO2.

Conclusions

Whole body vibration may increase TcPO2 levels with useful implications for the prevention or management of complications associated with restricted blood perfusion in the diabetic foot syndrome.

Keywords:
Whole body vibration
Diabetes mellitus
Transcutaneous oximetry
Diabetic foot
Resumen
Antecedentes y objetivo

Las afecciones del pie en pacientes con diabetes mellitus (DM) generan morbilidad y discapacidad. La vibración mecánica favorece la perfusión sanguínea en la extremidad inferior, facilitando el aporte de nutrimentos y oxígeno. Valores de oximetría transcutánea (TcPO2)>40mmHg se asocian al buen pronóstico de resolución de úlceras en el pie. El objetivo de este trabajo ha sido determinar si un programa de terapia vibratoria favorece parámetros de interés relacionados con complicaciones asociadas al síndrome del pie diabético.

Pacientes y métodos

Cincuenta y cuatro pacientes con DM participaron en un programa de ejercicios sobre plataforma de vibración (12 semanas). Se determinó el control glucémico (HbA1c), la sensibilidad y la TcPO2 del pie. Se realizaron valoraciones al inicio y después del programa.

Resultados

No se observaron cambios significativos en la HbA1c (p=0,442) ni en la sensibilidad (p=0,07). La TcPO2 registró un incremento medio significativo de 7mmHg (p<0,0001; tamaño del efecto: d=0,53).

Conclusiones

La vibración mecánica puede favorecer el incremento de la TcPO2, lo que podría ser útil para la prevención o tratamiento de complicaciones asociadas a una perfusión sanguínea alterada en el pie diabético.

Palabras clave:
Vibración de cuerpo completo
Diabetes mellitus
Oximetría transcutánea
Pie diabético

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