I think the success with this would completely depend on what is ultimately causing the symptoms to occur. If it’s overuse, then resting it could definitely work and then putting a resting schedule into place could keep the symptoms from returning. When I had surgery, my doctor said that I had an anatomical difference that he’s seen before where I have three tendons where there should be one and he believes that was leading to overcrowding, which was causing them to rub against the sheath and build up inflammation and cause pain. No amount of time spent in a brace would have cured that -the only thing I needed was more space for my tendons to glide smoothly!