Marc Darrow, MD, JD. Failed sacroiliac (SI) joint fusion is generally suspected when a patient continues to experience persistent pain and functional limitation after surgery. Reported causes of failure include pseudarthrosis (nonunion), implant loosening, implant malposition, and continued pain despite partial fusion. In a 2024 retrospective cohort study (1) of 52 patients undergoing revision SI … Continue reading Continued pain after sacroiliac joint surgery