Wound Intelligence Wednesday:Gustilo Classification & Contamination: Don’t Close a Dirty Wound
13/05/2026 | 25 min
In this episode of Diabetic Foot Files, Dr. G explores why seemingly small or clean-looking wounds—especially in diabetic patients—can hide severe underlying damage from retained plant matter and contamination. Learn how organic debris promotes infection, why imaging may miss wooden or thorn fragments, and the importance of exploration, serial debridement, and appropriate antibiotics.
The episode reviews the Gustilo wound classification, practical management steps for different contamination levels, and imaging tips to avoid missing retained foreign bodies or necrotizing infections. Key takeaways: never primarily close contaminated wounds, antibiotics don’t replace debridement, and maintain high suspicion for gas-forming and rapidly progressive infections.
Limb Watch Ep. 2 — Dr. Matthew G. Garoufalis, DPM, FASPS, DABPM, CWS, FFPM RCPS (Glasg) FRSM- Topical Oxygen- Game Changer in Limb Salvage
12/05/2026 | 52 min
In this episode of Diabetic Flip Files’ Limb Watch, host Dr. G interviews Dr. Matthew Garoufalis , a leader in podiatric medicine, wound care and limb salvage, about the evolution of wound care into limb salvage and the science behind topical (intermittent) oxygen therapy. He is the Chief Medical Officer at Advanced Oxygen Therapy Inc.
They discuss how oxygen affects infection control, angiogenesis, collagen synthesis and cellular metabolism; clinical evidence supporting topical oxygen for diabetic foot and other wounds; practical use as an adjunctive therapy; and how optimization of oxygen can preserve tissue and reduce amputations.
Limb Watch Launch: Diabetic Limb Salvage with Dr. Haywan Chiu DPM, FACFAS
10/05/2026 | 51 min
In this episode Dr. G launches the Limb Watch movement and interviews Dr. Haywan Chiu, DPM, FACFAS. Board- certified in foot surgery and reconstructive rearfoot/ankle surgery. As a leading expert in diabetic limb salvage, Dr. Chiu is dedicated to preventing lower extremity amputations through innovative surgical techniques and advanced wound care management.
They discuss the philosophy of limb preservation, clinical signs that predict limb loss, and when to operate or involve vascular surgery.
Dr. Chiu shares advanced techniques (flaps, tendon balancing, reconstructive options), the importance of source control, pitfalls of delayed referral, practical outpatient decisions, and prevention strategies to preserve mobility and quality of life.
Zombie Cells in the Wound: How Senescent Fibroblasts Sabotage Diabetic Ulcers
09/05/2026 | 22 min
Dr. G examines how normal fibroblasts drive tissue repair and how, in diabetic foot ulcers, they can become senescent “zombie” cells that stop dividing, secrete inflammatory SASP factors, and degrade the wound environment.
The episode covers triggers (hyperglycemia, oxidative stress, ischemia, infection), clinical signs and biomarkers of senescence, the vicious cycle with biofilm, and emerging approaches—including senolytics, targeted dressings, and debridement—to reduce senescent burden and improve healing.
Diabetic Foot Village: A Plan to Prevent Amputations
08/05/2026 | 16 min
This episode proposes the "Diabetic Foot Village" — a coordinated multi-sector surveillance and response model that shifts care from late-stage hospital interventions to early prevention and continuous monitoring.
The framework connects a clinical core team, footwear and rehab supports, surveillance technology, and trained community touchpoints (nail techs, pharmacists, caregivers) with a national risk registry, rapid referral pathways, and home monitoring to catch problems earlier.
Goals include reducing preventable amputations, lowering costs, improving limb salvage and equity in underserved areas — inspired by a patient story that highlights why shared, community-driven detection matters.
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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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