Outcomes of TKR

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Most people who undergo TKR have a dramatic reduction in pain in the knee and significant improvement in their mobility and ability to perform normal activities of daily living. 

However  TKR will not allow one to do more than what one was able to do before developing arthritis. Kneeling may be uncomfortable but not harmful. Some numbness is felt around the incision on the skin. Some stiffness is possible particularly with excessive bending. 

With normal level of activity the plastic spacer in the implant will start to wear away in time. Excessive activity or weight will speed up the wear and tear, which may cause the implant to loosen and become painful. 

Hence high impact activity like jogging, athletics or sports like football should be avoided. One can indulge in walking, swimming, driving, biking, dancing and sports like golf.

The lifespan of knee replacements can be increased with appropriate activity modification. The average length of a TKR is 10-20 years depending on the activity.

Most people hear some clicking of metal or plastic with walking or knee bending. This will diminish with time.

The knee implant may activate metal detectors at airports. You need to carry a card or letter that informs security about your implants.