Revision total hip replacement is a surgical procedure that involves the removal and replacement of a previously implanted artificial hip joint that has become worn, damaged, or infected. The procedure is also known as revision hip arthroplasty. The most common reasons for revision total hip replacement include implant wear and tear, loosening of the implant, dislocation, infection, and bone loss. Revision surgery can involve replacing one or more components of the artificial joint, including the cup, stem, ball, or liner. The surgery is usually more complex and requires greater skill and expertise than the initial hip replacement surgery, due to the presence of scar tissue and bone loss. The surgeon must carefully evaluate the patient's condition and customize the surgical plan based on the individual's specific needs. Recovery time after revision total hip replacement varies, but patients typically need a longer period of rehabilitation than after the initial surgery. Physical therapy is an important part of the recovery process, helping to restore strength and mobility in the hip joint. Revision total hip replacement is associated with a higher risk of complications than the initial surgery, such as dislocation, nerve damage, infection, and blood clots. However, with appropriate surgical technique and post-operative care, the procedure can be highly successful in improving pain, mobility, and quality of life for patients with a failed or problematic hip replacement.

Revision TKR surgery, also known as revision total knee replacement, is a surgical procedure performed to replace a previously implanted knee prosthesis that has become worn or damaged over time. The most common reason for revision TKR surgery is loosening of the prosthetic components, which can cause pain, instability, and limited mobility. During the surgery, the old prosthesis is removed, and the bone around the knee joint is prepared for the placement of new components. The new components are then implanted, and the knee is reconstructed. Revision TKR surgery is a more complex procedure than the initial knee replacement surgery, and it is associated with a higher risk of complications such as infection, bleeding, nerve damage, and blood clots. Recovery time after revision TKR surgery is longer than with the initial surgery, and physical therapy is usually required to help patients regain strength and mobility in the knee joint. The success of revision TKR surgery depends on several factors, including the condition of the bone and soft tissues around the knee joint, the quality of the new prosthetic components, and the patient's overall health and ability to heal. In general, revision TKR surgery has a high success rate and can provide significant pain relief and improved function for patients who have experienced complications or wear and tear of their initial knee replacement.

Knee replacement, also called knee arthroplasty, is a surgical procedure to resurface a knee damaged by arthritis. Metal and plastic parts are used to cap the ends of the bones that form the knee joint, along with the kneecap. This surgery may be considered for someone who has severe arthritis or severe knee damage. If the patient quality of life is deteriorated due to pain or when other conservative measures failed.Various types of arthritis may affect the knee joint. Osteoarthritis, a degenerative joint disease that affects mostly middle-aged and older adults, may cause the breakdown of joint cartilage and adjacent bone in the knees. Rheumatoid arthritis, which causes inflammation of the synovial membrane and results in excessive synovial fluid, can lead to pain and stiffness. Traumatic arthritis, arthritis due to injury, may cause damage to the cartilage of the knee.