Viscosupplementation for hip osteoarthritis: Does systematic review of patient-reported outcome measures support use?

Osteoarthritis of the hip is one of the leading causes of disability worldwide. There is lack of agreement among providers and governing agencies regarding the efficacy of hyaluronic acid (HA) for the management of hip osteoarthritis (OA). Therefore, the purpose of this systematic review was to determine how HA administration impacts 1) patient reported outcome measures (PROMs) and 2) rates of conversion to THA.