Calcific Tendonitis Treatment: Barbotage vs. Barbotage With Cortisone Injection

Inclusion Criteria: * Must be at least 18 years of age and younger than 90 years of age * Diagnosed with calcific tendonitis and ruled out other shoulder-related pathologies * Failed 1st line therapy (physical therapy and cortisone injection) * Intention to receive barbotage with cortisone as standard of care * 3 or more months of shoulder pain * Finding of one or more calcifications ≥5 mm in size on either sonogram or radiograph, located on the supraspinatus tendon * Positive Hawkin's test or Neer's sign for impingement Exclusion Criteria: * Legally incompetent or mentally impaired (e.g. minors, Alzheimer's subjects, dementia, etc.) * Osteoarthritis of the glenohumeral joint of the affected shoulder * Previous surgery or barbotage to the affected shoulder * History of prior allergic/hypersensitivity reactions related to the study medication * Shoulder instability, glenohumeral arthritis, AC pathology, inflammatory arthropathy, fibromyalgia, frozen shoulder or cervical radiculopathy * Sub-acromial injection with a corticosteroid or treatment by ESWT during the last 3 months before inclusion * Younger than 18 years of age or older than 90 * Any patient considered a vulnerable subject