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Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability, most commonly offered when joint pain is not diminished by conservative sources. [1] [2] It may also be performed for other knee diseases, such as rheumatoid arthritis.
[4] [2] However, the mobile, easily interchangeable components of the implant are often replaced in the DAIR approach. [4] DAIR is contraindicated if there is a sinus tract, loosening of the prosthesis, or the surgical wound cannot be closed. [2] The microbial cure rate of DAIR is 74%, 49% and 44% in early, sub-acute and late infections ...
Unicompartmental knee arthroplasty (UKA) is a surgical procedure used to relieve arthritis in one of the knee compartments in which the damaged parts of the knee are replaced. UKA surgery may reduce post-operative pain and have a shorter recovery period than a total knee replacement procedure, [ 1 ] [ 2 ] particularly in people over 75 years of ...
The ICD-10 Procedure Coding System (ICD-10-PCS) is a US system of medical classification used for procedural coding.The Centers for Medicare and Medicaid Services, the agency responsible for maintaining the inpatient procedure code set in the U.S., contracted with 3M Health Information Systems in 1995 to design and then develop a procedure classification system to replace Volume 3 of ICD-9-CM.
The prosthesis may need to be replaced due to complications such as infection or prosthetic fracture. Replacement may be done in one single surgical session. Alternatively, an initial surgery may be performed to remove previous prosthetic material, and the new prosthesis is then inserted in a separate surgery at a later time.
[4] [5] Arthrofibrosis can follow knee injury and knee surgeries like arthroscopic knee surgery or knee replacement. Scar tissue can cause structures of the knee to become contracted, restricting normal motion. Depending on the site of scarring, knee cap mobility and/or joint range of motion (i.e. flexion, extension, or both) may be affected. [6]
The mode of infection is during the joint implant surgery. The usual bacteria involved are Staphylococcus aureus and gram negative bacilli. [2] Delayed – infection occurs between 3 and 24 months. There would be persistent joint pain, due to loosening of the implant. The mode of infection is during the implant surgery.
The implant is made from medical grade plastic and is designed not to require fixation to bone or soft tissue. [40] The implant could be a good option for younger, active patients who are considered too young for knee replacement because that surgery lasts only about 10 years. [41] The implant has been used in clinical trials in Europe since 2008.