Recovery After Artificial Posterior Cruciate Ligament Surgery - Orthopedics

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Anterior cruciate ligament reconstruction surgery


Hello Doctor: I underwent an anterior cruciate ligament (ACL) reconstruction surgery on July 15 of this year, and it has been nearly three months since the procedure.
However, I can only achieve a bending angle of close to 90 degrees in my knee, and I experience some pain, making it difficult to go up and down stairs normally.
I would like to ask if this condition is normal and whether I should intensify my rehabilitation.
Thank you, Doctor! Wishing you a good day!

Amands, 30~39 year old female. Ask Date: 2021/10/15

Dr. Shi Guozheng reply Orthopedics


Rehabilitation after ligament reconstruction of the knee typically takes about six months to a year, so it is essential to continue with the rehabilitation process.

Reply Date: 2021/10/15

More Info


After undergoing artificial posterior cruciate ligament (PCL) reconstruction surgery, it's not uncommon for patients to experience challenges in their recovery, particularly in terms of range of motion, pain, and functional mobility. Your situation, where you are nearing three months post-surgery and can only achieve a knee flexion angle of approximately 90 degrees, is a concern that warrants further discussion.

Firstly, it's important to understand that recovery from PCL surgery can vary significantly among individuals. Factors such as age, pre-existing conditions, the extent of the injury, and adherence to rehabilitation protocols all play a crucial role in the healing process. Generally, the initial phase of recovery focuses on reducing swelling, managing pain, and gradually restoring range of motion. Achieving full range of motion is critical, as it directly impacts your ability to perform daily activities, including climbing stairs, which you mentioned is currently difficult for you.

In the early stages post-surgery, it's common to experience some pain and stiffness, especially when attempting to bend the knee. However, if you find that your knee flexion is stagnating at 90 degrees, it may indicate that additional rehabilitation efforts are necessary. Physical therapy is essential in this phase, and it should be tailored to your specific needs. A physical therapist can provide targeted exercises to improve flexibility, strength, and overall function. They may incorporate modalities such as ultrasound or electrical stimulation to help manage pain and promote healing.

Moreover, it is crucial to address any potential issues that may be hindering your recovery. For instance, scar tissue formation can limit mobility, and your therapist can employ techniques to help break down adhesions. Additionally, they can guide you through exercises that focus on both active and passive range of motion, gradually increasing the intensity as your knee tolerates.

In terms of pain management, it's essential to communicate with your healthcare provider about your discomfort. They may recommend adjustments to your pain management plan, including medications or alternative therapies, to ensure you can engage fully in your rehabilitation exercises.

As you progress, your therapist will likely introduce strength training exercises to support the muscles around your knee, which is vital for stability and function. Strengthening the quadriceps and hamstrings will not only aid in your recovery but also help prevent future injuries.

It's also worth noting that psychological factors can influence recovery. Frustration or anxiety about your progress can impact your motivation and willingness to engage in rehabilitation. Open communication with your healthcare team about your feelings and concerns can help address these issues and keep you focused on your recovery goals.

In summary, while some pain and limited range of motion are expected after PCL reconstruction, your current situation suggests that further rehabilitation may be necessary. Engaging with a physical therapist to develop a comprehensive rehabilitation plan tailored to your needs is crucial. Regular follow-ups with your orthopedic surgeon will also ensure that your recovery is on track and that any underlying issues are addressed promptly. Remember, recovery is a gradual process, and with the right support and commitment to rehabilitation, you can achieve improved function and return to your desired activities.

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