My ortho who did Teddi's hip REFUSES to do a TPO on a dog. I don't know enough about the JPS, was not an option for us.
My surgeon said while initially the TPO is a good fix for the young dog, in the long run it is awful. They develop horrible, arthritis, and become very painful. My girlfriend had her chessie done bi lateraly, and eventually had to put her down as the dog could not get around anymore. Sure she had her for several years but she said the pain was dibilitating.
Teddi had a biomedtrix cementless THR. The surgeon said the test dogs are in the teens and doing great. There is no cement to break down, which is a problem they have discovered in the cemented versions. They have to go back in and replace the cement. He told me Teddi will never have arthritis in that side. Her titanium will not change.
My ortho surgeon is highly respected in the world of canine orthopedic surgeons. He travels a lot to teach others. He told me he kept being asked to train TPO, he kept trying to turn down the requests. They kept insisting. They finally stopped asking him when they realized his content was negative. Another friend I met with an HD dog went to the same hospital Teddi went for a consult. She saw a different surgeon, he told her that hospital will not do a TPO if that was the surgery of choice to find another.
One last thing. I thought THR could only be done after the dog was done growing. Teddi was 1, it was two days after her first birthday. So for the "most" part he bones were done. My surgeon said he did a THR in a 6 month old pup. I don't know how that worked, but he did it.
I am glad I chose the THR, the FHO is also a very good alternative. For me the choice was all about appearance. With the FHO there is a chance the dog will appear lower on the surgical side, and track a bit shorter on that side. Neither problem is a long term issue, but I did not want the constant reminder. Watching Teddi run with her tail on fire, not hurting one little bit (and she is still moderate on her left side) is all I want to see.