Diabetic Foot Files

342 épisodes

The Oxygen Thermostat: HIF‑1α and Diabetic Wound Healing- The Wound Healing Protein You Probably Never Heard Of
11/07/2026 | 22 min
Dr. G explains how hypoxia‑inducible factor 1 alpha (HIF‑1α) acts as the cell's oxygen sensor and coordinator of wound repair, why diabetes disrupts its signaling, and how that impairment stalls healing in diabetic foot ulcers.

The episode summarizes how researchers measure HIF‑1α, and reviews emerging treatments—HIF stabilizers, gene/RNA therapies, stem cells, engineered scaffolds, and oxygen‑releasing biomaterials—that aim to restore molecular healing pathways and improve limb salvage.
Forgotten Infection Friday: Tranq Wounds- Xylazine Damage — When a Veterinary Sedative Destroys Human Tissue
10/07/2026 | 16 min
This episode explains how xylazine ("tranq"), a veterinary sedative now found in the illicit drug supply, is causing severe, fast-progressing wounds and infections when mixed with fentanyl.

It reviews the drug's vasoconstrictive effects, wound features (necrosis, deep infection, slow healing), key differences from diabetic foot ulcers, treatment priorities (debridement, antibiotics, advanced wound care), and the need for compassionate, comprehensive care and referral for substance use disorders.
LIMBWatch Series: Reinventing Hydrotherapy—Jason Ayer, RN’s Topical Oxygen-Powered Approach to Limb Salvage
07/07/2026 | 47 min
In this episode of Limb Watch Series with Diabetic Foot Files, host interviews Jason Ayers, a wound care RN and inventor of a topical oxygen hydrotherapy kit that combines warmed antimicrobial cleansing solution with localized oxygen bubbles to cleanse and promote healing in chronic wounds, especially diabetic foot ulcers.

Jason explains the origin and prototype development, demonstrates a typical 10–15 minute treatment session, and shares case-study results showing faster cleansing, improved tissue color, reduced drainage and odor, and positive patient feedback.

The discussion covers how the device fits into current debridement tools, safety and infection-control design choices, and the inventor’s vision for broader clinical adoption and training to help prevent amputations and advance limb preservation.
The Foot- Liver Connection: The Hidden Link: How Liver Health Shapes Diabetic Foot Healing
06/07/2026 | 40 min
In this episode of Diabetic Foot Files Dr. G explores the overlooked foot–liver connection: how liver metabolism, protein synthesis, clotting, and inflammation influence wound healing, infection risk, and limb salvage in people with diabetes.

Topics include metabolic dysfunction-associated steatotic liver disease (MASLD), low albumin, sarcopenia, key labs and imaging to consider, and practical steps clinicians can take to address systemic contributors to delayed healing.

Takeaway: diabetic foot ulcers are rarely just a local problem—optimizing liver health, nutrition, glycemic control, and systemic care improves healing and reduces amputation risk.
Does Your Morning Coffee Delay Diabetic Foot Ulcer Healing?
04/07/2026 | 22 min
This episode traces coffee’s journey and asks whether daily caffeine affects diabetic foot ulcer healing.

It summarizes the science on how caffeine influences blood vessels, sleep, blood sugar, inflammation, fibroblasts, and hydration, and explains that moderate, unsweetened coffee is unlikely to severely impair healing while excessive intake, sugary drinks, poor sleep, or circulation issues can hinder recovery.

Practical advice is given: consult your doctor or nutritionist, prioritize overall wound care (circulation, glycemic control, nutrition, sleep, hydration), and consider alternatives like green or herbal teas when appropriate.

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À propos de Diabetic Foot Files

👟✨ We’ve teamed up with DARCO to bring you 25% off the POGO shoe! Want to stay active, reduce pressure, and help prevent ulcers before they begin? Visit darcodirect.com/product/pogo/ and use our exclusive code FootFiles25 at checkout to save 25% off your pair. Welcome to the Diabetic Foot Files Podcast and the LIMBWatch series — where diabetic foot surveillance, wound intelligence, prevention science, and limb preservation come together. I’m Dr. G / Dr. WoundPicasso aka Dr. Gabrielle Hutcheson Donaldson, podiatrist and wound care specialist, and I’m here to educate, empower, and guide you through the evolving world of diabetic foot care. From wound healing and pressure injuries to surveillance systems and amputation prevention, we break down the science, challenge the myths, and share strategies that help save limbs and improve lives. Whether you’re a patient, caregiver, clinician, or healthcare professional, this is your destination for diabetic foot education, prevention, and preservation. So let’s dive in — because when you take care of your feet, they take care of you.LIMBWatch: Surveillance Before Salvage.

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Forme et santé Médecine Éducation