Leisure Yu, MD, Ph.D

One Commitment - One Focus - Our Patients

Total Knee Replacement

Total Knee Arthoplasty (TKA)  is done for arthritis that is painful and has failed to improve under conservative treatments. The surgery will take 2-3 hours.

In general, it will take 1-3 weeks to become comfortable after the knee surgery and 6-10 months to resume normal activities. Continuous passive motion (CPM) or physical therapy may be initiated at the time of surgery. 

Dr. Yu will customize your treatment to expedite your recovery while protecting the joint. 


TKA is done under general anesthesia while you are "asleep." It is an inpatient surgery and you will stay in the hospital for three days for pain management and physical therapy. 

Pain Reduction

Saphenous Nerve Block: At the time of your surgery, you may receive injections administered by the anesthesiologist to the base of your thigh to reduce the pain from surgery. The femoral block may be left as an indwelling catheter attached to a pump for up to three days, automatically delivering analgesics to the nerve, thus reducing your narcotics use. 

Patient Controlled Analgesics: After surgery, you will be able to reduce your pain level by pressing a buting to deliver narcotics via intravenous tubing. Pain pills will be provided to you after you are ready to come off of the PCA pump. 

Cryo-Pads: Circulating cooling pads will be added on top of your surgical dressing to reduce swelling and decrease pain. Cryo-Pads will not be used on diabetic patients. 

Rehabilitation Handout

To download a more detailed information sheet about your recovery, click here

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