Use of Cooled Radiofrequency for the Treatment of Hip Pain Associated With OA of the Hip Compared to Intra-articular Steroid Injections

Inclusion Criteria:

• Subjects presenting with radiographic evidence of hip OA and demonstrating hip pain for at least 30 days will be targeted. Radiographic evidence of hip OA is defined as Kellegran-Lawrence grade 2-4
• Not an operative candidate as per RI joint replacement surgeon OR
• Subjects who do not desire joint replacement surgery after consultation with RI joint replacement surgeon
• Male or non-pregnant female older than 18 years of age
• willing and able to sign the IRB-approved informed consent document.

Exclusion Criteria:

• Any steroid injection in hip within 90 days
• Local infection at injection site or active systemic infection
• Anticoagulation status with inability to discontinue medication for appropriate duration for nerve blocks and RFA given proximity to major artery. (No anticoagulation contraindications for joint injection)
• AICD with inability to utilize magnet for RFA per treating cardiologist
• Body habitus does not allow for placement of longest needles and electrodes (approximately 15cm) to successfully administer treatment
• Allergy or severe renal impairment precluding iodionated contrast or magnavist injection despite standard premedication protocol