Electrical stimulation: a novel adjunct therapy for diabetic foot ulcers

Area of Science:

• Biomedical Engineering
• Regenerative Medicine
• Wound Healing

Background:

• Diabetic foot ulcers (DFUs) are a severe diabetes complication with poor healing outcomes.
• Conventional treatments often fail to address the complex healing process.
• Electrical stimulation (ES) is a promising adjunctive therapy for DFU management.

Purpose of the Study:

• To review the mechanisms of electrical stimulation in promoting DFU healing.
• To highlight recent innovations in ES device technology.
• To provide a reference for future clinical trials and optimization.

Main Methods:

• Review of current literature on electrical stimulation for wound healing.
• Analysis of cellular and molecular mechanisms underlying ES effects.
• Examination of novel ES device technologies, including nanogenerators and smart bandages.

Main Results:

• ES mimics endogenous currents to guide cell migration and proliferation.
• ES up-regulates HIF-1α and VEGF, promoting neovascularization and relieving ischemia.
• Cathodal currents reduce inflammation and promote M2 macrophage polarization for enhanced healing.

Conclusions:

• ES therapy offers a novel approach to accelerate DFU healing.
• Advancements in ES technology enable potential for home-based, closed-loop wound care.
• Further clinical optimization and multicenter trials are needed to validate ES efficacy.