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Diabetic Foot Files — Health & Fitness
Diabetic Foot Files

THE DIABETIC FOOT FILES HAS A NEW HOME!

The brand-new Diabetic Foot Files website is LIVE!

Welcome to the digital home of everything diabetic foot, wound care, limb salvage, and beyond. From the latest podcast episodes and expert conversations to LIMBWatch, educational content, and resources for the limb-salvage community — it’s all coming together in one place.

www.diabeticfootfiles.com

Whether you’re a clinician, researcher, student, patient, advocate, or simply passionate about saving limbs — there’s a place for you here.

Listen.
Learn.
Think beyond the wound.
Save the limb. Change the life.

Welcome to the next chapter of 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- World Leaders in LIMB Salvage

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Latest Episodes:

LIMBWatch Series: Dr. David Armstrong DPM, MD, PhD - Ending Preventable Amputations:Limb Preservation and Diabetic Foot Remission Jul 13, 2026

Show notes

In this episode , one of the world’s most influential pioneers in limb preservation, Dr.David Armstrong DPM, MD, PhD Distinguished Professor of Surgery and Neurological Surgery and a Global Leader in limb preservation whose research has fundamentally changed how clinicians approach diabetic foot disease.

Dr. Armstrong shares the personal story that inspired his lifelong mission to prevent amputations, describing two unforgettable patients whose experiences taught him one of medicine’s greatest lessons—that the absence of pain can be more dangerous than pain itself.

Throughout the conversation, he explains why diabetic foot ulcers remain one of the most underestimated complications of diabetes, introduces the revolutionary concept of diabetic foot remission, and discusses why healing an ulcer is only the beginning of lifelong prevention.

Listeners will discover:

Why diabetic foot ulcers are a “silent and sinister syndrome”
The true meaning of diabetic foot remission and why recurrence is expected rather than failure
How annual foot screening could prevent countless amputations worldwide
Why multidisciplinary limb preservation teams reduce both amputations and mortality
The biggest unanswered questions surrounding diabetic foot infection
The future of wearable technology, smart insoles, smart socks, smart scales, and AI-powered home monitoring
How underserved communities can dramatically improve limb salvage with collaboration rather than expensive technology
Why the future of diabetic foot care depends on teamwork, innovation, and earlier intervention

Dr. Armstrong also reflects on the evolution of limb preservation over the past three decades, discusses the rapid advances in digital health and remote monitoring, and shares his vision of a future where preventable diabetic amputations become increasingly rare.

Whether you’re a podiatrist, vascular surgeon, wound care specialist, endocrinologist, nurse, therapist, researcher, student, or someone living with diabetes, this conversation offers invaluable insights from one of the architects of modern diabetic limb salvage.

Key Takeaway:

“Find a friend.” According to Dr. Armstrong, preventing amputations isn’t the work of one specialty—it takes interdisciplinary teams united by one mission: keeping patients walking and living healthier lives.

Hypoxia vs Ischemia: The Vital Difference for Diabetic Foot Healing Jul 12, 2026

Show notes

This episode explains the crucial difference between hypoxia (low oxygen that can trigger repair) and ischemia (lack of blood flow that deprives tissue of oxygen, nutrients, and immune cells), and how diabetes worsens both.

Clinical takeaways: check vascular status with toe pressures and TcPO2 before escalating to advanced wound therapies, and prioritize revascularization when needed to give wounds a real chance to heal.

The Oxygen Thermostat: HIF‑1α and Diabetic Wound Healing- The Wound Healing Protein You Probably Never Heard Of Jul 11, 2026

Show notes

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 Jul 10, 2026

Show notes

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 Jul 07, 2026

Show notes

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 Jul 06, 2026

Show notes

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? Jul 04, 2026

Show notes

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.

Top 10 Holiday Emergencies Every Person with Diabetes Should Know and how to Stay out of the ER this Independence Day- Protect Your Feet This July 4th — Diabetic Holiday Safety Tips Jul 03, 2026

Show notes

Dr. G outlines simple, practical tips to prevent common Independence Day emergencies for people with diabetes, covering barefoot risks, fireworks and grill burns, blisters that become ulcers, blood sugar swings, heat dehydration, falls, and medication safety.

Check your feet before and after activities, wear protective closed-toe shoes, monitor glucose frequently, stay hydrated, and seek medical care early for any wounds or burns to avoid serious infection or limb loss.

Positive vs. Negative Surgical Margins- Every Millimeter Matters: Surgical Margins in Diabetic Limb Salvage Jul 02, 2026

Show notes

In this episode of Diabetic Foot Files Dr. G explains why surgical margins in diabetic foot surgery — especially with osteomyelitis — directly affect recurrence, healing, and the risk of further amputation.

She covers the difference between positive and negative margins, how pathology and imaging guide management, and how margin status influences antibiotics, reoperation, and prognosis.

Practical steps to improve margin status are discussed, including thorough debridement to bleeding bone, preoperative imaging and vascular assessment, offloading, and close coordination with infectious disease.

Key takeaway: achieving negative margins greatly increases healing odds, while residual infected bone significantly raises recurrence and higher-level amputation risk.

LIMBWatch Series: Dawn Franceschina PT, DPT, CWS on Wound Healing Awareness Month and ABWM Foundation Jun 30, 2026

Show notes

Dr. G interviews Dr. Dawn Franceschina, a physical therapist and Vice Chair of the ABWM Foundation, about her 29-year career in wound care, advances in treatment, and the importance of Wound Healing Awareness Month.

The episode highlights the PT perspective, interdisciplinary limb-salvage teamwork, board certification, common barriers to healing, and practical steps for clinicians, patients, and industry to get involved.

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