How long does knee replacement surgery take ?
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Knee replacement surgery, or knee arthroplasty, usually takes 1 to 2 hours, but this can vary depending on factors like the type of surgery, the patient's health, and the surgical approach. A total knee replacement (TKR) typically takes 1.5 to 2 hours, while a partial knee replacement takes about 1 to 1.5 hours. A revision knee replacement, which replaces a previous implant, can take longer, sometimes up to 3 hours.
The surgery duration is also influenced by whether it’s a traditional procedure with a larger incision or minimally invasive surgery, which uses smaller cuts and may be quicker. Patient factors, such as overall health or joint damage, can also impact the time needed. Advanced technology, like robotic-assisted surgery and 3D imaging, can improve precision but may add setup time.
During surgery, damaged bone and cartilage are removed, and prosthetic components are fitted into the knee. After the procedure, patients are monitored in the recovery room as anesthesia wears off, and physical therapy usually begins soon after to aid recovery.
While the surgery itself is relatively quick, full recovery can take several weeks to months, depending on the patient’s health and commitment to rehabilitation. The main goal of knee replacement surgery is to relieve pain, improve mobility, and enhance the patient’s quality of life.
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