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Joint cartilage is a tough, smooth tissue the covers the end of the bones where joints are located. It helps cushion the bones during movement, and because it is smooth and slippery, it allows for motion with minimal friction. Osteoarthritis, the most common form of arthritis, is a wear and tear condition that destroys join cartilage. Sometimes as the result of trauma, repetitive movement, or for no apparent reason, the cartilage wears down, exposing bone ends. This can occur quickly over months or may take years to occur. Cartilage destruction can result in painful bone-on-bone contact, along with swelling and loss of motion. Osteoarthritis usually occurs later in life and may affect only one joint or many joints.
A total knee replacement is really a bone and cartilage replacement with an artificial surface. The knee itself is not replaced as commonly thought, but rather an implant is inserted on the bone ends. This is done with a metal alloy in the femur (thigh bone) and plastic spacer on the tibia (lower leg bone) and patella (knee cap). This creates a new, smooth cushion and functioning joint that can reduce or eliminate pain.
Results will vary depending on the quality of the surrounding tissue, the severity of the arthritis at the time of surgery, the individual’s activity level, and the individual’s adherence to the doctor’s orders.
Your orthopedic surgeon will decide if you are a candidate for the surgery. The decision will be based on your history, exam, x-rays, and response to conservative treatment.
Age is generally not an issue if you are in reasonable health and have the desire to continue living a productive, active life. You may be asked to see your personal physician for his/her opinion about your general health and readiness for surgery.
All implants have a limited life expectancy depending on the individual’s age, weight, activity level, and other medical condition(s). A total joint implant’s longevity will vary in every patient. It is important to remember that and implant is a medical device subject to wear that may lead to mechanical failure. While it is important to follow all of your surgeon’s recommendations after surgery, there is no guarantee that you particular implant will last for any specific length of time.
Just as your original joint wears out, a joint replacement will wear over time as well. The most common reason for revision is loosening of the artificial surface from the bone. If your joint has a plastic spacer, wearing of the plastic spacer may also result in the need for a new spacer. Your surgeon will explain the possible complications associated with a total knee replacement.
Most surgeries go well, without any complications. Infection and blood clots are two serious complications. To avoid these complications, your surgeon may use antibiotics and blood thinners. Surgeons also take special precautions in the operating room to reduce the risk of infections.
Yes, you should consult your surgeon and physical therapist about the exercise appropriate for you. The more prepared you are for surgery the better the potential recovery. Strengthening your entire body may help you perform daily activities after your knee surgery.
You may need blood after the surgery. You may use the community blood supply, have your relatives donate for you or donate you own blood, if you are able.
You may stay in bed the day of your surgery. However, the next morning you will get up, change into comfortable cloths and begin your physical therapy and rehabilitation. This program stresses early, extensive physical rehabilitation to help you prepare to go home and get back to being you again.
Most people will be hospitalized for three days after surgery, so if your surgery is on Monday you will leave on Thursday. The rehabilitation program is very specific. Each participant will need to accomplish a number of goals/milestones prior to their discharge.
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94 Old Short Hills
Road
Livingston, NJ 07039
(973) 322-9908 |
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