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Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
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Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
06:35

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Published on: April 27, 2016

Pressure ulcers and endothelial dysfunction: is there a link?

Bryan D Struck1, Jonelle E Wright

  • 1Department of Geriatric Medicine, University of Oklahoma Health Sciences Center, USA. bryan-struck@ouhsc.edu

Journal of Nutrition for the Elderly
|February 21, 2008
PubMed
Summary

Pressure ulcers remain a significant clinical problem despite existing prevention strategies. This review explores the potential link between endothelial dysfunction and pressure ulcer development, suggesting new research directions.

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Area of Science:

  • Medical Research
  • Clinical Practice
  • Translational Science

Background:

  • Pressure ulcers, a persistent clinical challenge since the 16th century, cause patient suffering and increase healthcare costs.
  • Current prevention and treatment strategies, addressing factors like pressure, shear, friction, moisture, and malnutrition, are insufficient.
  • Endothelial dysfunction, a known cardiovascular risk factor, is emerging as a potential, yet understudied, contributor to pressure ulcer development.

Purpose of the Study:

  • To review the existing literature on pressure ulcers and endothelial dysfunction.
  • To build an argument for investigating the role of endothelial function in pressure ulcer etiology.
  • To propose endothelial function research as a valuable translational investigation.

Main Methods:

  • Literature review and synthesis.
  • Analysis of established pressure ulcer risk factors.
  • Exploration of the connection between endothelial dysfunction and pressure ulcer pathogenesis.

Main Results:

  • Established risk factors for pressure ulcers are well-documented but do not fully explain incidence.
  • A significant knowledge gap exists regarding the specific mechanisms linking endothelial dysfunction to pressure ulcers.
  • Endothelial dysfunction presents a plausible, under-explored pathway for pressure ulcer development.

Conclusions:

  • Investigating endothelial function offers a promising avenue for advancing the understanding of pressure ulcer development.
  • Translational research into endothelial dysfunction could significantly improve current prevention and treatment practices.
  • Further research is warranted to elucidate the precise role of endothelial dysfunction in pressure ulcer formation and management.