Update, got a second opinion.
Second opinion vet thinks the feet show very thin soles but no founder or real rotation. Borderline, if anything, and mechanical in nature due to the thin soles. They want her in shoes and pads all around because she is ridiculously footsore, the reason I originally had a vet out. I will not use my current farrier for shoes and I have some concerns about keeping shoes on her as she doesn’t have much wall to spare and has a history of yanking shoes off in a matter of days. I do have another farrier to try just for her, though. It’ll be a logistical nightmare but she’s uncomfortable so I’ll do it. I’d prefer boots but I think the trim has to change regardless.
The second opinion vet also said the original stifle ultrasounds are hard to interpret due to not being labeled well so they aren’t sure what exactly they are looking at. They did say she has some bony “differences” on X-ray are likely congenital vs an injury and may be contributing. Something about certain structures being flatter than normal. This vet does not suggest surgery at this time as the horse doesn’t really flex off. They suggested doing IRAP, Adequan/Zycosan, and estrone and putting her to work to see if all of that plus shoes gets us a functional horse.
I pulled for IRAP and got the estrone, but need to coordinate with a farrier before we start injecting. The vet says the IRAP will be almost pointless until we get her comfortable on her feet and I agree. I doubled up the pads in her front boots today and will cut pads for her back boots next, and I’m looking into shoe options. I’m thinking composites and entertaining glue ons if only because they are less likely to take hoof with them if she yanks them off.
It was a very expensive visit, but I walked away feeling more optimistic than I have since the last appointment. We went from Wobblers to founder to $$$$$ surgery to something a little more manageable. It’s been a rollercoaster.