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

This study proposes a method to assess vascular flow measured by transcutaneous O2 pressure in physically active and sedentary men with spinal cord injury. Risk of pressure ulcers is higher in SCI individuals, emphasizing the importance of physical activity in preventing PUs. Results show better vascular response in active individuals, suggesting potential benefits of regular physical activity in improving quality of life for people with SCI.

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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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