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Saturday, June 6, 2009

Treating the Knee Surgically: Total Knee Replacement

By Dr. Stefan Tarlow

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).

MIS TKR is accomplished via a very small incision that does not involve the quadriceps tendon. This tendon runs along the anterior of the thigh. Without affecting this tendon, soft muscle trauma is kept at a minimum, and the patient can enjoy a quick and relatively easy recovery time.

A very innovative combination of MIS TKR and Computer Navigation allows the surgeon to make the most accurate placement of the knee possible. Dr. Tarlow has been practicing this unique innovation since August of 2004.

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 may to better with MIS TKR than men. For one thing, they tend to have a BMI (body mass index) less than 35. Additionally, they may have greater preoperative flexibility of the knee tissues combined with good ROM (range-of-motion). Furthermore, women tend to have bowed or knocked knees. This mild deformity is actually an advantage to the surgery.

Men, on the other hand, may not be ideal candidates due to their tendency to have more muscle tissue and more stiffness of the knee tissue. This is known as poor soft tissue mobility. Aside from this, men frequently have had knee surgeries in the past. This may result in large knee deformity and poor preoperative ROM (range of motion). To make matters worse, men often have a BMI of greater than 35.

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. - 17273

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