Effect on Pain and Symptoms of Aspiration Before Hyaluronan Injection for Knee Osteoarthritis: A Prospective, Randomized, Single-blind Study

摘要

Objective The main objective of this study was to observe whether synovial fluid aspiration of the knee joint compared to no aspiration, before and after 5 weekly injections of intra-articular hyaluronan, provides an improvement in knee pain and physical function.