Lat1 Task 5

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Thesis Statement: Research shows that total knee replacement surgery may not be beneficial for some people due to higher risk factors based on their age weight and being diabetic. Each of these categories has higher risk factors than for someone who is in a healthy condition. Total knee replacement surgery may be required when severe damage from injuries, arthritis or high wear and teach of the knee occurs. These symptoms can cause intolerable pain, and failing use of the knee. Several people are good candidates for a total knee replacement; those who are overweight, elderly and diabetic may not be due to the risk factors associated with this (AAOS, 1995). When the knee is heathy and in proper working orders all components of the knee work together without failure. Abnormal wear and tear along with disease causes the knee to break down; when this happens knee replacement becomes an option. If an individual is a good candidate for total knee replacement surgery the doctor will do a four-step procedure during surgery to replace the knee. The only part of the knee that being replaced is the surface of the bone. The doctor will begin by removing poor cartilage that is not salvageable. Next portions of the kneecap are removed, and the remaining bone is resurfaced. Metal implants are put in place and plastic buttons are inserted. Finally, a plastic spacer will be placed in between the mental components of the implant; this helps the replacement function smoothly (AAOS, 1995). Main questions that needed to be answered when researching this subject were: a. Why is age a risk factor when undergoing total knee replacement surgery? b. How does a person's weight affect them during and after surgery? c. Why does diabetes pose risk factors for a person having this surgery? Each of these categories has higher risks factors than for someone

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