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Physical activity and transcutaneous oxygen pressure in men with spinal cord injury

Physical activity and transcutaneous oxygen pressure in men with spinal cord injury. Beatriz Crespo-Ruiz, MSc; Antonio J del Ama-Espinosa, MScEng; Fernando J Jiménez-Díaz, MD, PhD; Jennifer Morgan, MSc; Ana de la Peña-González, OT; Ángel M. Gil-Agudo, MD, PhD. Aim

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Physical activity and transcutaneous oxygen pressure in men with spinal cord injury

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  1. Physical activity and transcutaneous oxygen pressure in men with spinalcord injury Beatriz Crespo-Ruiz, MSc; Antonio J del Ama-Espinosa, MScEng; Fernando J Jiménez-Díaz, MD, PhD; Jennifer Morgan, MSc; Ana de la Peña-González, OT; Ángel M. Gil-Agudo, MD, PhD

  2. Aim • Propose method for assessing vascular flow measured by transcutaneous O2 pressure (TcPO2) in ischium of physically active and sedentary people with spinal cord injury (SCI). • Relevance • Risk of pressure ulcers (PUs) higher in people with SCI. • Pressure at interface between wheelchair user and seating surface may reduce or eliminate peripheral arterial blood circulation, thus causing PUs. • Physical activity may help prevent PUs.

  3. Methods • Sample: 38 men with thoracic SCI. • 12 physically active, 26 sedentary. • Assessed distribution of physiological response of tissues under load during sitting via analysis of ischium TcPO2 values obtained by oximeter. • TcPO2 baseline. • Recovery time of TcPO2 after sitting (Trec). • % of TcPO2 of maximum pressure TcPO2. • Mechanic maximal pressure.

  4. System analysis of TcPO2 with TCM400 monitor (Radiometer Medical ApS; Copenhagen, Denmark).

  5. Results • TcPO2 Baseline • Values were similar for both groups. • Indicates that without pressure, both groups had similar tissue vascularization in ischial area. • Trec • Significantly lower (p < 0.05) in physically active group than sedentary group. • %TcPO2 • Significant differences between groups (p < 0.05) were also found.

  6. Conclusions • Vascular response of tissue area under pressure seemed to be better in population with SCI who was regularly active than in population with SCI who was sedentary. • This first pilot study offers interesting line of research in field of physical activity and sport for improving quality of life for people with SCI.

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