Clinical Research Directory

Inclusion Criteria: 1. Patients who are candidates for arthroscopic rotator cuff repair 1. Acute, traumatic tear of the rotator cuff in an active patient 2. Chronic, symptomatic tear of the rotator cuff in an active patient having failed non - operative treatment 2. Patient agreeable to participation in the study and able to complete informed consent process and all study requirements. 3. ≥18 years of age Exclusion Criteria: 1. Pregnancy (per pre-operative physical) 2. Presence of significant glenohumeral joint osteoarthritis 3. Age over 70 4. History of clinically diagnosed lymphedema 5. Morbid obesity (BMI \> 45) 6. History of drug or alcohol addiction, prior opioid dependence, or current use of opioid medication (preoperative) 7. Investigators concern regarding subject's ability or willingness to follow protocol. 8. History of significant vascular impairment in the affected region (e.g., from prior frostbite, diabetes, arteriosclerosis or ischemia). 9. History of acute paroxysmal cold hemoglobinuria or cryoglobulinemia. 10. History of Raynaud's disease or cold hypersensitivity (cold urticarial).