Articular cartilage repair

Articular Cartilage Repair refers to the medical treatment processes aimed at repairing or regenerating damaged articular cartilage. Articular cartilage is a smooth, white tissue that covers the ends of bones where they come together to form joints. Its main function is to reduce friction in the joints and serve as a "shock absorber." Damage to this cartilage can lead to pain, reduced mobility, and conditions such as osteoarthritis.

Causes of Damage

Damage to articular cartilage can result from a variety of causes including trauma, osteoarthritis, and overuse injuries. Traumatic injuries can cause direct damage to the cartilage, while osteoarthritis involves the gradual wear and tear of cartilage over time.

Symptoms

Symptoms of damaged articular cartilage include joint pain, stiffness, decreased range of motion, and swelling. These symptoms can significantly impact an individual's quality of life by limiting their ability to perform everyday activities.

Diagnosis

Diagnosis of articular cartilage damage typically involves a combination of patient history, physical examination, and imaging tests. Magnetic resonance imaging (MRI) is particularly useful in assessing the extent of cartilage damage.

Treatment Options

Treatment options for articular cartilage repair vary depending on the severity of the damage and the specific joint involved. They can range from conservative treatments to surgical interventions.

Conservative Treatments

Conservative treatments include physical therapy, weight management, and non-steroidal anti-inflammatory drugs (NSAIDs). These approaches aim to relieve symptoms and improve joint function.

Surgical Treatments

Surgical options for repairing articular cartilage include:

• Microfracture surgery: A procedure where small holes are drilled into the bone beneath the damaged cartilage to stimulate the growth of new cartilage.
• Autologous Chondrocyte Implantation (ACI): A two-step procedure where healthy cartilage cells are harvested, cultured, and then implanted into the damaged area.
• Osteochondral Autograft Transplantation (OAT): This involves transplanting cartilage from another part of the joint to the damaged area.
• Osteochondral Allograft Transplantation: Similar to OAT, but the cartilage is sourced from a donor.

Recovery and Rehabilitation

Recovery and rehabilitation are crucial aspects of successful articular cartilage repair. Post-operative care often involves physical therapy to restore joint function and mobility. The specific rehabilitation program will depend on the type of surgery performed and the individual patient's needs.

Future Directions

Research into articular cartilage repair is ongoing, with new techniques and materials being developed. These include the use of stem cells, growth factors, and 3D printing technologies to enhance cartilage regeneration and repair.

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