Psychosocial Factors Affect Chronic Pain After Total Knee Arthroplasty

Sleep disturbance, anxiety, depression and catastrophizing about pain can contribute to lingering pain after total knee arthroplasty (TKA), according to a prospective study.

“There is a growing number of patients with severe osteoarthritis, especially among the aging population in the United States,” said co-author Inna Belfer, MD, PhD, who at the time of the study was associate professor of anesthesiology and human genetics at the University of Pittsburgh. “However, treating