Partial Knee Replacement and Obesity

Joints are the moving parts of the human body.two of the three compartments of the knee have
Every movement that you make can cause somebecome damaged. The drawback of having only a
strain on those joints. Of all of the joints in thepartial knee replacement as compared to a complete
human body, the knees work the hardest. In evenreplacement is that there is a higher incidence of
the most sedentary person's life, the knees arefailure in partial knee replacements, and obesity can
tasked with supporting the whole weight of theincrease the odds of failure markedly.
body. Over time, excessive strain can cause theThere are benefits to only having a partial knee
knees to wear out leading to the need for either areplacement, rather than a complete replacement. In
full or partial knee replacement and obesity is one ofgeneral there is a smaller incision and there is a
the leading causes of that joint failure. Othershorter recovery period. Risk of infection may be
common causes include sports injuries and repetitivedecreased and many patients experience a full return
motion strain from some occupations.to complete mobility, comparable to their
The normal, day to day strain that is placed upon thepre-operative experience. In general, there is also a
joints of your hips and especially your knees ismuch shorter hospital stay required than there is for
amplified by any excess weight that you are carrying.a total knee replacement.
Over time, the excessive impact that even justWhile there have been great advances in medical
walking can cause may make cartilage weaken andtechnology, a successful outcome is determined by
wear down and movement can becomethe patient's attitude and willingness to do the
excruciatingly painful. If the pain is persistent enough,necessary therapy. Based on their experience, many
your doctor may determine that it is necessary todoctors have somewhat low expectations for
perform either a full or partial knee replacement, andrecovery and may not be very encouraging. It is up
obesity is often the cause. Part of the post-operativeto the patient to find and follow an exercise program
treatment for a knee replacement caused by obesitythat has already shown proven results. Equally
is to lose a substantial amount of weight. Continuingimportant is finding a trainer or mentor who has a
to carry excess weight just leads to continued strainpositive attitude toward recovery from knee surgery
on the joint and can cause the replacement joint toand who can teach anyone the same mindset.
wear out or fail.Believing it can be done and working with someone
It is estimated that 10 to 30 percent of patientswho has already achieved the desired results is the
requiring knee replacement surgery may be able tokey to returning to normal activities and remaining
get by with a partial knee replacement. A partialfree from pain.
replacement may be performed when only one or