PRP for Glenohumeral Osteoarthritis

Inclusion Criteria: * 18-100 years old * Average NRS pain greater than or equal to 5/10 as a direct result of glenohumeral osteoarthritis (any severity: mild, moderate, or severe) and/or chondral lesion or loss * At least 3 months of pain after onset of symptoms that has failed conservative treatments, including physical therapy * MRI of the affected joint * Transient relief of symptoms after a diagnostic intra-articular injection into the joint * Email address or network access Exclusion Criteria: * Inability to hold non-steroidal anti-inflammatory drugs for 2 weeks prior and 1 month after the injection * Prior platelet-rich plasma injection * Steroid injection within 3 months of the initial injection * Hyaluronic acid within 6 months of the initial injection * Involved in workers' compensation or active litigation involving the affected joint * History of Plavix use * Known uncontrolled systemic illness (uncontrolled diabetes, HIV, vasculitis, autoimmune/autoinflammatory disease) * Presence of acute fractures or gross mechanical deformities * Concurrent "uncontrolled" cervical disorders