I've not heard of PVNS before. I'm glad the surgery helped some.
Various heart conduction issues can be associated with AS, along with aortic root issues.
I'm sorry you are having to deal with these additional issues on top of AS. Let's hope you don't accumulate any more acronyms.
Ginny - 58 year old female
Dx with USpA in March 2013; changed to AS in July 2015
Iritis and Scleritis, both currently in remission
unicompartmental knee replacements: right-June 2014, left-Aug 2018
MTX, Humira, Cyclobenzaprine, plus Celebrex as needed
Supplements: Folic Acid, Vitamin A, Vitamin D, Calcium, Fish Oil, Culturelle probiotic, Melatonin (as needed)