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A hoof can look fine while its tissue quietly runs out of blood. We sat down with Drs. Georgia Skelton and Andrew van Eps to unpack new 18F-FDG PET research showing how static weight bearing creates sharp, regional perfusion deficits in the equine foot—the very conditions that can spark support limb laminitis in otherwise healthy horses. The findings challenge old assumptions and make a powerful case for movement, dynamic load cycling, and smarter monitoring before the cascade begins.

We walk through why 18F-FDG PET changes the game by capturing function, not just structure, revealing “no-uptake” zones in the lamellae, sole, and coronary band within minutes of standing still. You’ll hear how medial palmar regions are hit hardest in front feet, why lifting the opposite limb shifts deficits laterally, and how the hoof’s intricate anastomotic network lets blood choose the path of least resistance—bypassing vulnerable capillary beds under pressure. These insights tie directly to what clinicians see first in the field: sole pain, growth issues at the coronary band, and rapid decompensation when motion is restricted.

From here we get practical. Andrew and Georgia outline emerging strategies to keep perfusion alive: enforced micro-movement, intermittent offloading with robotic slings, and dynamic orthotic devices that rotate pressure points across the sole. We dig into how mobile PET systems can guide personalized shoeing and support plans, and how tools like pressure mats and targeted near-infrared sensors could bring stall-side monitoring to the danger zones identified by imaging. The goal is simple: reintroduce safe variability and prevent any one region from being starved for too long.

If you care for at-risk horses after fractures, abscesses, or surgery, this conversation offers a clearer map of the problem and a toolkit for early intervention. Subscribe, share this with your care team, and leave a review to help more equine professionals find evidence-based strategies that keep blood flowing and horses sound.

AJVR article: https://doi.org/10.2460/ajvr.25.07.0268

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