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Purpose <p>The aim of this study was to verify the tolerability and effects of different ischemic preconditioning (IPC) protocols, performed at different levels of vascular occlusion (LVO), on the functional capacity and rating of perceived exertion (RPE) of elderly individuals.</p> Methods <p>Twenty elderly individuals (68.2 ± 5.7&#xa0;years) participated in the study, who underwent a protocol of five sessions: control, IPC in the upper limbs (UL IPC) and lower limbs (LL IPC) at 50% and 100% of the level of vascular occlusion (LVO). Functional capacity was assessed through the 6-min walk test (6MWT), pain perception through the visual analogue scale (VAS), and RPE through the Borg scale.</p> Results <p>A significant difference was observed in the distance covered in the 6MWT in the UL IPC 100%, LL IPC 50% and LL IPC 100% situations compared to the control session (p = 0.01; p &lt; 0.0001; p &lt; 0.001). Greater pain perception was observed in all UL IPC 100% cycles compared to UL IPC 50% cycles (p = 0.001; p &lt; 0.001; p &lt; 0.001), as well as in LL IPC 100% cycles compared to LL IPC 50% cycles (p &lt; 0.001; p &lt; 0.001; p = 0.001). No significant differences were observed in RPE.</p> Conclusion <p>Our findings suggest that when IPC is applied remotely to the muscles to be preconditioned, it is necessary to use higher pressures, whereas locally, lower pressures appear to be equally efficient as higher pressures, but provide lower perceptions of pain and discomfort.</p>

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Effects of ischemic preconditioning at different levels of vascular occlusion on functional capacity in elderly individuals: a cross-over randomized controlled trial

  • 期刊论文

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  • 发表日期：

    2026年6月19日

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  • Rafael Carlos Sochodolak,
  • Josielen Santana de Oliveira,
  • Edher Lucas Antunes,
  • Anderson Sprenger Valus,
  • Nilo Massaru Okuno

摘要

Purpose

The aim of this study was to verify the tolerability and effects of different ischemic preconditioning (IPC) protocols, performed at different levels of vascular occlusion (LVO), on the functional capacity and rating of perceived exertion (RPE) of elderly individuals.

Methods

Twenty elderly individuals (68.2 ± 5.7 years) participated in the study, who underwent a protocol of five sessions: control, IPC in the upper limbs (UL IPC) and lower limbs (LL IPC) at 50% and 100% of the level of vascular occlusion (LVO). Functional capacity was assessed through the 6-min walk test (6MWT), pain perception through the visual analogue scale (VAS), and RPE through the Borg scale.

Results

A significant difference was observed in the distance covered in the 6MWT in the UL IPC 100%, LL IPC 50% and LL IPC 100% situations compared to the control session (p = 0.01; p < 0.0001; p < 0.001). Greater pain perception was observed in all UL IPC 100% cycles compared to UL IPC 50% cycles (p = 0.001; p < 0.001; p < 0.001), as well as in LL IPC 100% cycles compared to LL IPC 50% cycles (p < 0.001; p < 0.001; p = 0.001). No significant differences were observed in RPE.

Conclusion

Our findings suggest that when IPC is applied remotely to the muscles to be preconditioned, it is necessary to use higher pressures, whereas locally, lower pressures appear to be equally efficient as higher pressures, but provide lower perceptions of pain and discomfort.