Ultrasound-Guided Hip Joint Cooled Radiofrequency Denervation

Inclusion Criteria: * Primary degenerative osteoarthritis of hip joint * Pain pre-intervention qualified as at least moderate with functional limitation moderate/severe. * Radiological confirmation of hip osteoarthritis * Failure of conservative therapy to control symptoms, defined as the persistence of at least moderate with functional limitation moderate/severe pain that has been refractory to prescribed medications, and other modalities, such as physical therapy and intraarticular injections. Intolerable side effects of medications and contraindications to specific methods will be also considered as a failure of the conservative therapy. * Positive articular branches analgesic block, defined as \>50% improvement in pain and function for at least 2 hours Exclusion Criteria: * Non-English speakers * Daily dose of opioids more than 90 MEQ * Body Mass Index (BMI) \> 30 * Uncorrectable coagulopathy * Local and systemic infection * Inability to obtain ultrasound image of ventral acetabulum * Documented prior Anaphylactic Reaction to Contrast Agent * Pregnancy