Intra-Articular Hyaluronic Acid Injection in Hip Osteoarthritis: Evidence, Technique, and Clinical Considerations

This narrative review examines intra-articular hyaluronic acid injection in hip osteoarthritis, including its proposed mechanisms, patient selection, image-guided injection techniques, clinical evidence, safety considerations, and rehabilitation. Particular attention is given to ultrasound-guided administration and current guideline recommendations regarding viscosupplementation in symptomatic hip osteoarthritis.