What is the most common long term issue that can occur after an ACL injury?

Answered by John Hunt

The most common long-term issue that can occur after an ACL injury is the development of osteoarthritis in the knee. Osteoarthritis is a degenerative joint disease that occurs when the protective cartilage in the knee wears down over time. This can lead to pain, stiffness, and swelling in the affected joint.

It is important to note that the risk of developing osteoarthritis is higher in individuals who have experienced an ACL injury, even if they undergo surgery to reconstruct the ligament. While surgery can help restore stability to the knee and improve overall function, it does not completely eliminate the risk of developing arthritis.

There are several reasons why an ACL injury can increase the likelihood of developing osteoarthritis. Firstly, the injury itself can cause damage to the articular cartilage, which is the smooth tissue that covers the ends of the bones in the knee joint. This damage can disrupt the normal mechanics of the joint and lead to increased wear and tear on the cartilage.

Additionally, the trauma from the ACL injury can also cause inflammation in the joint. Chronic inflammation can further contribute to cartilage breakdown and the development of arthritis over time.

Furthermore, changes in movement patterns and biomechanics following an ACL injury can also contribute to the development of osteoarthritis. Individuals may compensate for the instability in the knee by altering their gait or putting increased stress on other areas of the joint. These abnormal movement patterns can lead to excessive loading and damage to the cartilage.

It is important to recognize that the development of osteoarthritis is not inevitable after an ACL injury. However, it is a potential long-term complication that individuals should be aware of. Taking steps to minimize the risk of arthritis is crucial.

Rehabilitation following an ACL injury should focus not only on restoring strength and stability but also on optimizing movement patterns and reducing excessive stress on the joint. Working with a physical therapist can help individuals learn proper movement techniques and develop strategies to protect the knee joint.

Maintaining a healthy lifestyle, including regular exercise and maintaining a healthy weight, can also help reduce the risk of arthritis. Engaging in low-impact activities that are easier on the joints, such as swimming or cycling, can be beneficial.

In some cases, healthcare providers may also recommend the use of braces or orthotics to provide additional support to the knee joint and reduce the risk of further injury.

The most common long-term issue that can occur after an ACL injury is the development of osteoarthritis in the knee. While surgery to reconstruct the ligament can help restore stability, it does not completely eliminate the risk of arthritis. Minimizing this risk involves proper rehabilitation, optimizing movement patterns, maintaining a healthy lifestyle, and considering additional support options when needed.