Sixty patients (61 knees) undergoing unicondylar knee arthroplasty were randomized to receive cold compressive dressings (Cryo/Cuff), epidural anesthesia (EDA), or a control treatment using only traditional analgesics as needed. Over 6 weeks, there was no difference between the three groups for pain, bleeding, swelling, and range of motion. However, significantly less morphine was consumed by the ...