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Monday, June 8, 2009

Treating the Knee Surgically: Total Knee Replacement

By Dr. Stefan Tarlow

MIS TKR - Minimally Invasive Surgery for Total Knee Replacement

For a better postoperative experience that includes reduced pain, a minimal hospital stay and quick recovery, patients are enjoying the benefits of minimally invasive surgery for total knee replacement. (MIS TKR).

A very small incision is all it takes to accomplish MIS TKR. Various factors about the patient determine the exact site of the incision; however, the incision does not involve the quadriceps tendon. This is the very large muscle that is located on the front of the thigh. Because of this reduced soft tissue trauma, the patient enjoys a quicker and easier recovery.

Dr. Tarlow has been using a combination of Computer Navigation and MIS TKR techniques since August 2004. This produces the most precise knee placement possible.

Many patients wonder if they would be good candidates for MIS TKR. A surgeon who is experienced in this procedure can determine this with an in-office evaluation and examination. Sometimes, the decision to use this procedure is made during the knee surgery.

Click here for more on Knee Arthroscopy.

Women are usually better candidates for MIS TKR. This is because they tend to have flexibility of the knee tissue, also called good soft tissue mobility. Additionally, they may tend toward a mild knee deformity - bowed or knocked knees, which is an advantage. Good preoperative ROM (range of motion) and BMI (body mass index) less than 35 are also helpful.

Men may not make good candidates for this procedure due to generally having a BMI of greater than 35 coupled with more muscle tissue and stiffness of the knee tissue. Multiple past knee surgeries often complicate the procedure for men as well as large knee deformities.

For error reduction, greater accuracy, and improved surgical outcomes, Computer assisted surgery is a boon. Additionally, computer assisted surgery helps to identify surgical anatomy during surgery.

By using computer based tools it becomes easier to reliably repeat procedures in surgery. These tools increase accuracy and improve quality in surgical procedure. Oddly, these tools are not widely accepted in the US. In Germany, computer based tools are used in surgery forty percent of the time. In the US, this is true only three percent of the time. Technology variations, cost, efficacy and surgeon preference may be the cause of this discrepancy.

The coordination of surgeons, government, and industry to develop computer-assisted surgery and imaging standards will help this new technology to become very beneficial to society.

Click here for more on Dr. Stefan Tarlow, a leading Phoenix knee doctor. - 17268

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