Pentoxifylline: How a 'Blood-Flow' Drug Helps Diabetic Foot Ulcers
08/06/2026 | 21 min
In this episode of Diabetic Foot Files Dr. G explores pentoxifylline — a decades-old methylxanthine drug — and how it improves microcirculation, reduces blood viscosity and inflammation, and may support healing in diabetic foot ulcers, venous leg ulcers, and intermittent claudication.
The episode reviews the drug’s history, mechanisms of action, clinical uses, dosing considerations, side effects, and how pentoxifylline fits into modern multimodal limb salvage and wound care strategies.
The Hidden Thief: How Dehydration Stops Diabetic Foot Ulcer Healing
07/06/2026 | 28 min
This episode explains how chronic dehydration—often overlooked in diabetic patients—slows blood flow, reduces oxygen and nutrient delivery, and stalls cellular repair, turning otherwise manageable foot ulcers into non-healing wounds.
Dr. G outlines clinical signs, lab clues, and practical steps to restore hydration and improve wound healing, emphasizing that treating the whole patient — not just the wound — can produce dramatic recoveries.
Why Vaseline Can Be Dangerous for Diabetic Feet
06/06/2026 | 24 min
This episode explains what Vaseline (petroleum jelly) does: it is an occlusive that seals moisture in but does not hydrate. It can soften intact dry skin but is unsafe for diabetic ulcers, macerated or infected areas, and interdigital spaces because it traps bacteria and oxygen, worsening wounds.
The host recommends safer options for diabetic feet—urea creams, ceramide- or glycerin-based lotions, and barrier creams like zinc oxide when appropriate—and stresses daily foot inspection and early medical care rather than self-medicating with petroleum jelly.
LIMBWatch Series: Stephanie Stellini - Turner PAC, CWS- Inside Life-Saving Reconstructive Surgery with Stephanie Stellini Turner
04/06/2026 | 51 min
In this episode of Diabetic Foot Files — Limb Watch Edition, Stephanie Stellini Turner, a surgical physician assistant at Christiana Care, discusses the realities of reconstructive and limb salvage care. She shares OR experiences, perioperative workflows, and the teamwork needed between vascular, plastics, and wound care teams.
The conversation covers timing and techniques for reconstruction, managing complex diabetic and trauma wounds, patient optimization and prevention, and the emotional and practical challenges of guiding patients through recovery.
Sunshine Medicine: How Vitamin D Heals Diabetic Foot Ulcers
03/06/2026 | 25 min
Dr.G explores how vitamin D — produced by sunlight and acting like a hormone — impacts diabetic foot healing. He covers its roles in immune regulation, antimicrobial peptide production, inflammation control, collagen synthesis, angiogenesis, bone health, and mood, plus why deficiency is common in people with diabetes.
The episode reviews research linking low vitamin D to worse ulcers, the potential benefits and limits of supplementation, who should be screened, and why vitamin D is one piece of a multidisciplinary approach that includes vascular care, infection control, nutrition, offloading, and mental health support.
June is Wound Healing Awareness Month (WHAM)! Join us in raising awareness, advancing education, and improving outcomes for patients with wounds—because every wound deserves the chance to heal. Celebrate Wound Healing Awareness Month (WHAM) this June with the American Board of Wound Management (ABWM) and take the next step in your wound care career with 25% off your first certification application- https://abwmcertified.org/promo/
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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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