Cartilage Repair Using a Hyaluronic Acid-Based Scaffold With Bone Marrow Aspirate Compared With Microfracture for Focal Articular Cartilage Damage of the Hip

Exclusion Criteria

• •1. Cartilage defects of the femoral head
• •2. Previous surgery on the study hip
• •3. Traumatic chondral injury of the hip from a single event
• •4. Presence of advanced osteoarthritis (Tonnis grade 2 or 3)
• •5. Known hypersensitivity or allergy to hyaluronate
• •6. Evidence of hip dysplasia (i.e. lateral centre edge angle \< 20˚)
• •7. Evidence of acetabular over coverage such as coxa profunda or coxa protrusion
• •8. Immunosuppressive or anti-proliferative medication use
• •9. Chronic pain syndromes
• •10. Significant medical co-morbidities (requiring assistance for activities of daily living (ADLs))
• •11. History of paediatric hip disease
• •12. Uncontrolled diabetes
• •13. Contraindications to MRI imaging (e.g. claustrophobia)
• •14. Patient is involved in ongoing legal or workplace claims
• •15. Patient is incarcerated
• •16. Patient who will likely have problems, in the judgement of the investigator, with maintaining follow-up