Diabetic Foot Files podcast | Listen online for free

307 episodes

Forgotten Infection Friday : Chromoblastomycosis and the Diabetic Foot
05/29/2026 | 19 mins.
This episode of Diabetic Foot Files covers chromoblastomycosis, a chronic pigmented fungal skin infection often seen in tropical, agricultural settings and commonly affecting the lower limbs.

We discuss why patients with diabetes are at higher risk, the classic "copper penny" cells on pathology, common clinical features (verrucous, slow-growing lesions with black dots), diagnostic steps like biopsy and fungal stains, and treatment challenges including long-term antifungals, surgery, and wound optimization.
LIMBWatch Series: Dr. Gary Rothenberg DPM, CDCES, CWS on Limb Salvage
05/27/2026 | 43 mins.
On this episode of Limb Watch, Dr. G speaks with Dr. Gary Rothenberg DPM, CDCES, CWS about limb preservation, diabetic foot care, wound healing, and vascular health. Dr. Rothenberg discuss the root role of neuropathy, the importance of prevention, and the power of caregivers and multidisciplinary teams.

Dr. Rothenberg explains remote temperature monitoring with the Podometrics SmartMat, shares lessons from the VA and clinical practice, and highlights practical steps to detect problems earlier and reduce amputations through education, access, and coordinated care.

To learn more about Podimetrics and how its SmartMat™ technology helps prevent diabetic foot complications through early detection and remote monitoring, please visit http://www.podimetrics.com/
Nitroglycerin Paste: The Tiny Rescue That Reopens Blood Flow
05/26/2026 | 16 mins.
In this episode of Diabetic Fit Files, Dr. G explains how topical nitroglycerin paste works as a vasodilator to improve microcirculation and rescue threatened skin flaps, ischemic digits, and compromised grafts. The episode covers its mechanism (nitric oxide release), clinical indications, historical background, and why it can help in diabetic wound care.

Key clinical pearls and cautions are summarized, including when it may help, common side effects (headache, hypotension), major contraindications (concurrent PDE-5 inhibitors, severe hypotension, anemia), and why it should never replace urgent surgical intervention when needed.
System Sundays: NO GUTS, NO GLORY: Microbiome, Diabetes, and Wound Healing
05/24/2026 | 26 mins.
This episode explains how the gut microbiome — an internal ecosystem of bacteria, fungi, and viruses — regulates inflammation, immunity, metabolism, and wound healing, and how diabetes disrupts that balance.

High blood sugar, altered gut conditions, and repeated antibiotics can cause dysbiosis and leaky gut, driving chronic systemic inflammation, immune dysfunction, biofilm formation, impaired angiogenesis and collagen synthesis, and stalled diabetic wound healing.

Practical approaches discussed include glycemic control, nutrition (fiber and fermented foods), targeted probiotics/prebiotics, exercise, sleep and stress management, antibiotic stewardship, and multidisciplinary care to support both the gut and the wound for better limb salvage outcomes.
Salvage Saturdays; Sound Waves That Heal: Shockwave Therapy for Diabetic Foot Ulcers
05/23/2026 | 23 mins.
On this episode of Salvage Saturdays, Dr. G explores extracorporeal shockwave therapy — the use of focused sound waves to stimulate healing in diabetic foot ulcers. We review its history from lithotripsy to orthopedics, how mechanical energy triggers angiogenesis, collagen remodeling, stem cell activation, and reduces chronic inflammation.

The episode explains treatment types, energy settings, typical protocols, contraindications, and the patient experience, and emphasizes that shockwave therapy is an adjunct to standard wound care (debridement, offloading, infection control, vascular optimization).

Research is promising but varied; combined regenerative approaches and larger trials are likely next steps. A case study demonstrates meaningful wound improvement with focused low-energy shockwave therapy as part of comprehensive limb salvage care.

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About Diabetic Foot Files

Big news! 👟✨ 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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