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Unicompartmental Knee Arthroplasty


Unicompartmental Knee Arthroplasty is a surgical procedure used to relieve arthritis in one of the knee compartments in which the damaged parts of the knee are replaced.

The Uni condylar Knee Arthroplasty (UKA) concept was designed to cause less trauma or damage than traditional total knee replacement by removing less bone and trying to maintain most of the patient's bone and anatomy. Also, the concept was designed to use smaller implants and thereby keep most of the patient's bone; this can help patients return to normal function faster. Initially, UKAs were not always successful, because the implants were poorly designed, patients weren't thoroughly screened for suitability, and optimal surgical techniques were not developed. Recent advancements have been made to improve the design of the implants. Also, choosing the best-suited patients was emphasized to ensure that surgeons followed the indications and contraindications for partial replacement. Proper patient selection, following the indications/contraindications, and performing the surgery well are key factors for the success of UKA. Currently, UKA is often referred to as "partial knee replacement." In reality there is nothing "partial" about this replacement. It is a complete replacement of the "part" of the knee that is arthritic.

Indications and Contra-Indications UKA may be suitable for patients with moderate joint disease caused Benefits by painful osteoarthritis or traumatic The procedure offers several injury, a history of unsuccessful benefits for patients with a surgical procedures or poor bone moderately active lifestyle, who have Risks density that precludes other types of arthritis in just one knee UKR's are technically a knee surgery. Patients that may not compartment, and who are within demanding procedure with a low be eligible for a UKA include patients normal weight ranges. The surgeon morbidity and excellent functional that have an active or suspected uses an incision of just 3-4 inches; a results in good cases. By using strict infection in or about the knee joint, total knee replacement typically guidelines, we believe that the long may have a known sensitivity to require an incision of 8-12 inches. term survival rates of a UKR can device materials, have bone The partial replacement does not equal that of a TKR while at the same infections or disease that result in an disrupt the knee cap, which makes time giving the patient a knee with inability to support or fix the new for a shorter rehabilitation period. A better function and near normal implant to the bone, have partial replacement also causes kinematics.

Inflammatory arthritis, have major deformities that can affect the knee mechanical axis, have neuromuscular disorders that may compromise motor control and/or stability, have any mental neuromuscular disorder, patients who are not skeletally mature, are obese, have lost a severe amount of bone from the shin (tibia) or have severe tibial deformities, have recurring subluxation of the knee joint, have untreated damage to the knee cap and thigh bone joint (patella-femoral joint), have untreated damage to the opposite compartment or the same side of the knee not being replaced by a device, and/or have instability of the knee ligaments such that the post-operative stability the UKA would be compromised. Anterior Cruciate Ligament (ACL) should be intact.

Dr. Ashish Jain Director - Institute Of Bone & Joint MGS Hospital Punjabi Bagh Also available as
2. Senior Consultant
Joint Replacement & Reconstruction at Max Super Speciality Hospital Shalimar Bagh.
3. Senior Consultant
Joint Replacement & Reconstruction
at Max Hospital Pitam Pura.
4. Dr Ashish Jain's Knee Clinic
AA 20 Shalimar Bagh New Delhi.
For Appointments call
9599949945 & Knee replacement cost 2,50,000/-
Institute Of Bone & Joint MGS Hospital Punjabi Bagh minimal blood loss during the procedure, and results in considerably less post-operative pain. The physiotherapy time compared with a total knee replacement is also greatly reduced. Smaller incision may lead to a smaller scar. Another potential benefit is less post-operative pain because less bone is removed. Also, a quicker operation and shorter recovery period may be a result of less bone being removed during the operation and the soft tissue may sustain less trauma. Also, the rehabilitation process may be more aggressive. More specific benefits of UKA are that it may improve range of motion, reduce blood loss during surgery, reduce the patient's time spent in the hospital. Currently, two of the most significant benefits of UKA or partial knee replacements are: 1. Partial knee replacement patients report that their replaced knee feels more like their original non-replaced knee as compared to a total knee replacement 2. Partial knee replacements leave other options open to further advances. By not replacing the rest of the knee with metal and plastic, if other options exist in years to come for arthritis in these areas then a partial knee replacement does not burn that bridge.

Dr. Ashish Jain, Unit Head Joint Replacement & Reconstruction
Institute Of Bone & Joint MGS Hospital Punjabi Bagh, Mobile: +91 9717035556, E-mail:- ortho25@gmail.com

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