<p>Total knee arthroplasty, also known as total knee replacement, is one of the most commonly performed orthopedic procedures. According to the American Academy of Orthopedic Surgeons, as of 2010, more than600,000 total knee replacements were being performed annually in the United States. The number of total knee replacements performed annually in the U.S. is expected to grow by 673 percent to 3.48 million procedures by 2030.</p><p>To start, a rigorous preoperative optimization process is now in place to help minimize the risk of complications after surgery. Patients also attend a joint education class to be advised of what to expect before, during and after the surgery. Studies have shown that these educational classes improve patient outcomes.</p>