Functional and Neuroprotective Effects of Restoring Lower Limb Sensation after Diabetic Peripheral Neuropathy

糖尿病周围神经病变后恢复下肢感觉的功能和神经保护作用

基本信息

项目摘要

Thus project addresses a gap in the available interventions for Veterans with Diabetic Peripheral Neuropathy (DPN), a large and growing chronic disease population within the VHA. Individuals with diabetes have a 10-times higher risk of amputations than the general population. We expect that discrete, meaningful sensations perceived to be arising from the missing foot can be chronically elicited by multi-contact peripheral nerve cuff electrodes installed on the nerves in the thigh above the knee of Veterans with lower-limb loss due to DPN. We anticipate that these electrically elicited sensations can maintain the health and resiliency of the residual limb and provide meaningful feedback during daily activities. We will rigorously document medical and medication history, and the interactions of the ongoing disease with the implanted components, and expect them to be well tolerated by volunteers with minimal clinical complications. Amputees pay less attention to their feet, are at risk for complications affecting the skin and underlying tissues of their residual limb due to routine prosthetic socket use. We expect that eliciting sensation perceived as arising from the missing foot via neural stimulation will improve the health of the residual limb tissues of Veterans with limb loss due to DPN, and make them more resilient to potentially damaging loads. That is, circulation and residual limb tissue health will improve, and the likelihood of developing complications will decrease with the restoration of appropriate sensation. Therefore, physiological measures of blood flow, temperature, transcutaneous oxygen and other indicators of underlying tissue health, as well as the and frequency and severity of phantom pain will change as a result of this unique intervention. The sensations perceived as related to physical interactions of the prosthesis with the environment elicited with neural stimulation will also improve standing balance, walking mechanics, and overall confidence and activity levels of Veterans with lower-limb loss due to DPN. Standing balance and sway, and the ability to adapt to challenging or changing environments, as well as subjective assessments of attention, balance confidence and fear of falling measured with and without sensory stimulation. We further anticipate that recipients of our Sensory Neuroprosthesis who have DPN will find it valuable in the home and community as evidenced by patterns of usage, total standing and walking time, and subjective ratings of satisfaction and effort. We expect users to have increased mobility, and cope more effectively with disturbances to gait and balance. We will recruit and enroll a total of five new participants who will receive the surgically implanted systems, and act as their own historical (pre- and post-implantation) and concurrent (with and without sensory stimulation) controls. The Sensory Neuroprosthesis previously developed by our group for traumatic trans-tibial amputees consisting of a wireless pressure sensitive insole and external neural stimulator will be adapted for the unique clinical needs of Veterans with DPN to deliver stimulation to the nerve via selected nerve electrode contacts at the appropriate intensity corresponding to physical input to the foot. The successful completion of this project will yield the information required to define the requirements for the design of a self-contained system for Veterans with limb loss due to DPN that will be suitable for larger scale clinical trials or commercially-sponsored projects.
因此,该项目解决了糖尿病退伍军人可用干预措施的空白

项目成果

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RONALD J TRIOLO其他文献

RONALD J TRIOLO的其他文献

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{{ truncateString('RONALD J TRIOLO', 18)}}的其他基金

Functional and Neuroprotective Effects of Restoring Lower Limb Sensation after Diabetic Peripheral Neuropathy
糖尿病周围神经病变后恢复下肢感觉的功能和神经保护作用
  • 批准号:
    10599863
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Senior Research Career Scientist
高级研究职业科学家
  • 批准号:
    10672971
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Functional and Neuroprotective Effects of Restoring Lower Limb Sensation after Diabetic Peripheral Neuropathy
糖尿病周围神经病变后恢复下肢感觉的功能和神经保护作用
  • 批准号:
    10184521
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Senior Research Career Scientist
高级研究职业科学家
  • 批准号:
    10315818
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Senior Research Career Scientist
高级研究职业科学家
  • 批准号:
    10507773
  • 财政年份:
    2021
  • 资助金额:
    --
  • 项目类别:
Stimulation combined with externally powered motorized orthoses for stroke
刺激结合外部动力电动矫形器治疗中风
  • 批准号:
    10329995
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
Stimulation combined with externally powered motorized orthoses for stroke
刺激结合外部动力电动矫形器治疗中风
  • 批准号:
    10543078
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
Hybrid neuroprosthesis with power assist for walking in SCI
用于 SCI 行走的混合神经假体
  • 批准号:
    9768248
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
A neuroprosthesis for seated posture and balance
用于坐姿和平衡的神经假体
  • 批准号:
    8486090
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:
Exploiting Selective Recruitment to Prolong Standing after SCI
利用选择性招募来延长 SCI 后的资格
  • 批准号:
    9525331
  • 财政年份:
    2013
  • 资助金额:
    --
  • 项目类别:

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