Assertion: shoulder's joint | /r/HasProperty | damaged by avascular necrosis
Facets:
value: severely
type: DEGREE
Source sentences:
text: It is usually performed to relieve shoulder pain when the joint is severely damaged by osteoarthritis, rheumatoid arthritis, post-traumatic arthritis, rotator cuff tear arthropathy, avascular necrosis (tissue death), fracture and failed former shoulder replacement surgery.