With simultaneous bilateral knee replacement, both of your knees will be replaced during the same surgery. The primary advantage of a simultaneous procedure is that there is only one hospital stay and one rehabilitation period to heal both knees.
However, rehabilitation may be slower, as it’s more difficult to use both knees at the same time. In fact, many people who undergo simultaneous bilateral knee surgery need assistance at home as they’re recovering.
Simultaneous bilateral knee replacement also takes longer to perform. This procedure typically takes three to four hours to complete, while staged bilateral knee replacement only takes two hours.
Since simultaneous bilateral knee replacement requires more time and heavier doses of anesthesia, there is an increased risk of complications. The surgery isn’t recommended for those with heart conditions or lung disease. These high-risk groups may experience heart problems or excessive blood loss during and after surgery.
Staged bilateral knee replacement
In a staged bilateral knee replacement, both knees are replaced in two separate surgeries. These surgeries are done a few months apart. Each surgery lasts about two hours. This staged approach allows one knee to recover before the second knee undergoes surgery.
The main advantage of a staged procedure is the reduced risk of complications. It also requires a shorter hospital stay.
However, since this procedure requires two surgeries, the overall rehabilitation period can be much longer. This may delay your return to some of your daily activities.
Recovering from double knee replacement
Immediately after surgery, you’re taken to a recovery room for a few hours before being brought to your hospital room. You’ll remain in the hospital for three to five days after a staged double knee replacement, and up to 10 days after a simultaneous double knee replacement. You’ll be given medications to help ease any pain.
During hospitalization, your doctor will watch for any signs of infection, blood clots, and other possible complications. Your doctor will also show you low-intensity exercises that can improve movement and promote healing in the knees.
You’ll start physical therapy, sometimes within a few hours of surgery, so you can begin transitioning back to normal knee movement.
Most physical therapy programs last between 6 and 12 weeks but maybe longer depending on your progress and preexisting physical condition.
Your physical therapy program may include a walking plan and various knee-strengthening exercises to boost mobility. It will also work to restore motion to the knee.
These exercises gradually increase the ability to perform everyday activities, such as walking up and downstairs. A physical therapist will teach you how to do each exercise.
During your rehabilitation period, it’s critical to follow the instructions from your physical therapist and doctor. Adherence will help ensure a complete recovery from your double knee replacement surgery.
Most people recover within 12 months, but your recovery time may differ depending on your age and overall health.
Despite the risks and challenges of undergoing double knee replacement surgery, both simultaneous and staged knee replacements are often successful. If you think you might be a candidate for a double knee replacement procedure, talk to your doctor and discuss your options.
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Dr. Nirad S. Vengsarkar is a specialist knee, hip, and spine Orthopaedic Surgeon.
Common surgical treatments such as knee and hip replacement, minimally invasive spine surgeries, and deformity corrections are the cornerstone of Dr. Vengsarkar’s practice.
