Types Of Knee Replacement Surgeries Explained

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Once an injury or arthritis compromises a knee, patients often turn to knee arthroplasty surgery as an answer for pain relief and functional restoration. While various replacement techniques exist that better suit an individual, this article compares some options.

  1. Total Knee Replacement (TKR):

One of the most commonly performed procedures to replace knees is total knee replacement or TKR, in which prosthetic parts made of plastic and metal replace all or parts of one joint with prostheses constructed to replicate its motion and functionality. Artificial implants replace sick or damaged bone or cartilage during knee replacement procedures; when an advanced form of osteoarthritis or rheumatoid arthritis affects one of its knee joints, TKR may be necessary as part of the treatment plan.

  1. Partial Knee Replacement (PKR):

Reducing pain through PKR, called unicompartmental replacement, offers less invasive solutions than total knee replacement (TKR). By leaving healthy knee elements intact while replacing injured parts with prosthetic devices, PKR offers numerous advantages, including smaller incisions, faster recovery timeframe and preservation of healthy bone and ligament structures. It may be especially helpful in patients with arthritis who only affect one compartment at once, such as the inner (medial) or outer (lateral). TKR may not allow such advantages when considering preserving healthy elements.

At the same time, injured areas need replacement with prosthetic prostheses, whereas, with total Knee replacement, all components are removed: health elements are preserved while injured areas are replaced. TKR may offer these same advantages see also unicompartmental knee replacement procedure described under both procedures as unicompartmental knee replacement, when both procedures may need replacement prostheses; unlike total Knee replacement, it offers several advantages like smaller incisions, faster recovery as well preservation of healthy bones and ligaments.

  1. Bilateral Knee Replacement:

Bilateral knee replacement involves surgically replacing both knees at once. This option is recommended for patients suffering from severe arthritis in both knees, as it allows rehabilitation and recovery to happen simultaneously for each joint. Bilateral replacement can significantly increase mobility and quality of life for those living with bilateral arthritis; however, it should come with higher risks that require careful preoperative evaluation before proceeding with replacement procedures.

  1. Revision Knee Replacement:

Due to loosening, instability, or infection of the original implants, revision knee replacement is a complicated surgical operation performed to replace worn-out implants. These implants were originally used in previous knee replacement procedures. Revision surgery must be carefully planned out in advance as additional reconstructive techniques may need to be utilized to address bone loss or soft tissue damage and bring stability, function and longevity back into play whilst minimising risks of further complications.

  1. Minimally Invasive Knee Replacement Solutions:

When compared with open surgery, minimally invasive knee replacement procedures include smaller incisions and less tissue damage. They use specialist devices and cutting-edge imaging technology for increased precision during their treatments, offering reduced postoperative pain reduction, faster recovery times and enhanced cosmetic outcomes as among their many advantages over open procedures; their viability ultimately depends on both factors being carefully taken into consideration before embarking on such surgeries.

  1. Robot-Assisted Knee Replacement Surgery: 

Robot-assisted is an innovative surgical technique combining robotic precision with surgical expertise for improved outcomes and implant longevity. A robotic system assists surgeons with planning and performing surgery with increased accuracy and alignment; real-time adjustments during surgery allow realigning implants for maximum outcomes and longevity of these prostheses. Early research into robotic-assisted knee replacement has already produced promising results regarding implant placement accuracy and patient satisfaction despite still being relatively novel at this point in time.


Every surgical approach has pros and downsides, so finding the one that best suits your specific objectives by speaking with a board-certified orthopaedic surgeon will help you choose the finest knee surgery technique. With more knowledge about available treatment options for increased function and health outcomes.

As technology and surgical techniques advance, knee replacement surgery continues to advance. Patients can rest easy knowing there are various solutions tailored specifically to them that address any knee issues affecting them—all within reach with guidance from an expert orthopedic surgeon guiding the decision process and leading to improved outcomes and an enhanced quality of life.