Three Generations, Six Pages: APMA News Features USC’s Prof. David G. Armstrong and Daughter Dr. Alexandria Armstrong, #ActAgainstAmputation #DiabeticFoot

APMA News May/June 2026 feature spreads collage

Originally published in APMA News, May/June 2026, pages 16–23. The May/June 2026 issue of APMA News devotes eight pages to a two-part feature: a profile of David G. Armstrong, DPM, MD, PhD, Distinguished Professor of Surgery and Neurological Surgery at the Keck School of Medicine of USC, followed by a companion interview with Alexandria Armstrong,... Continue Reading →

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Limb Preservation and Wound Healing — Riding Shotgun at 65 MPH #ActAgainstAmputation

The flight was cancelled. The train was cancelled. The keynote was not. How a scrapped DCA–JFK trip turned into a keynote delivered to ten Indian cities from the passenger seat of a car on the New Jersey Turnpike.

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The Barometer in the Bloodstream: Forecasting Amputation Risk in the Diabetic Foot from Inflammation and Nutrition #ActAgainstAmputation @ALPSLimb @FrontiersIn #DFU #Amputation

In 1,052 patients with diabetic foot ulcers, ten inflammation- and nutrition-derived ratios from routine labs tracked with amputation — and a machine-learning model combining them reached an AUC of 0.894. A cheap blood draw may help forecast which limbs are at risk.

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One in Four by Twelve Weeks, One in Ten Amputated by Thirty-Two: The Diabetic Foot Consortium Just Handed Us the Real Denominator #DFU #ActAgainstAmputation #ALPSLimb #NIDDK

Every one of us has quoted a healing rate. In clinic, in a grant, in a talk, in a conversation with a patient sitting on the exam table asking the only question that matters: will this close? Most of those quoted numbers came from the control arms of industry trials, which is a bit like... Continue Reading →

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Look Into My Eyes to See My Sole: A Retinal AI Score Tracks Amputation Risk #ActAgainstAmputation

A deep-learning retinal biomarker built to estimate coronary artery calcium turns out to track diabetes-related amputation — and it adds signal even after retinopathy is already in the model. Plus a long-overdue nod to Rayaz Malik and the corneal nerve story that got there first.

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Six Short Takes from the Diabetic Foot Files Podcast with Dr. Gabbie Hutcheson #ActAgainstAmputation

Diabetic Foot Files LIMBWatch Series — Dr. David G. Armstrong with host Dr. Gabbie Hutcheson

Six bite-sized clips from my conversation with Dr. Gabrielle (Gabbie) Hutcheson on the Diabetic Foot Files podcast (LIMBWatch Series) — from why the diabetic foot is a silent disease to how teams cut amputations by 60 percent.

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Can a Drug That Slows the Heart Speed Wound Healing? The Curious Case of Topical Esmolol

Infographic showing complete diabetic foot ulcer closure with topical esmolol plus standard care versus standard care: 60.3% versus 41.7% at 12 weeks and 77.2% versus 55.6% at 24 weeks.

A familiar beta-blocker has found an unfamiliar role. Phase 3 data suggest topical esmolol may help diabetic foot ulcers close—and the slowest-healing wounds may be especially interesting.

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Predicting Who Leaves a Diabetic Foot Ulcer Trial- and how to change that- Results of a first-ever study @KeckSchool_USC @USC @USC_Vascular @UCLA @DiabetesCareADA

New in Diabetes Care: dropout from diabetic foot ulcer offloading trials is not random. Slower walking and depressive symptoms predict who leaves (AUC 0.81) — and a lower-burden smart boot kept people engaged. Attrition is signal, not noise.

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Just Move! Physical Inactivity Roughly Doubles the Risk of #DiabeticFoot Ulceration

Infographic: physical inactivity roughly doubles the odds of a diabetic foot ulcer (pooled OR 2.09); 11 of 16 studies found higher ulcer risk in inactive patients. Jones et al., Diabetes Metab Res Rev 2026.

A new systematic review finds physical inactivity associated with roughly double the risk of diabetic foot ulceration — reframing movement from a liability into something closer to a vital sign.

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Vibe Coding a Silent Crisis: How Conversational AI Built Three Health Advocacy Platforms in Under a Week #ActAgainstAmputation #VibeCoding @CaitlinWHicks @KeckSchool_USC @ALPSLimb #LimbPreservation @SurgJournal

Now published in Surgery: one clinician used conversational AI to vibe-code three interactive data platforms (local, national, and global), translating 15 years of amputation evidence into public tools in under a week at essentially no cost.

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