Transcutaneous Electrical Nerve Stimulation After Total Knee Arthroplasty.

Total knee arthroplasty (TKA) consists of a surgical replacement of this joint by a prosthesis, and it is mainly carried out in cases of knee osteoarthrosis. In the postoperative period of TKA, the pain is intense and limits the mobility of patients, so the analgesia is one of the goals of the physical therapy. One of the alternatives available for pain management is the transcutaneous electrical nerve stimulation (TENS), characterized by the application of an electric pulsed current through electrodes positioned on the skin. Therefore, the present study aims to evaluate the acute effects of TENS associated with conventional physical therapy compared with conventional physical therapy on the pain level, knee range of motion and administration of morphine in the rehabilitation of patients after TKA.