Is Post-Surgery Meniscus Pain a Sign of Re-Injury? - Orthopedics

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Is postoperative meniscus pain a new injury?


About seven weeks ago, I underwent arthroscopic surgery to repair a tear in the lateral meniscus of my left knee.
The doctor mentioned that there was a slight tear and looseness near the patella.
Six weeks post-surgery, I was able to bend my knee to about 105 degrees, and I started walking again.
After returning to work, I often have to climb stairs since there is no elevator in the company.
Now, a week later, I feel pain in the front outer area of my left knee whenever I sit for too long or walk for an extended period.
I would like to ask the doctor if this could indicate that the meniscus repair site has torn again.
If it hasn't torn but still causes pain, is that a concern? Is this a normal phenomenon after surgery?

22310, 20~29 year old female. Ask Date: 2023/08/02

Dr. Chen Yongxue reply Orthopedics


Hello, the meniscus itself does not have nerves, so a tear may not cause significant pain.
It is advisable to visit an outpatient clinic for a physician to conduct an examination.
Thank you.

Reply Date: 2023/08/02

More Info


Post-surgery meniscus pain can indeed be concerning, especially after undergoing arthroscopic surgery to repair a torn meniscus. In your case, experiencing pain in the outer part of your left knee after a meniscus repair surgery raises several important considerations.

Firstly, it is essential to understand that pain after surgery can be a normal part of the healing process. The knee is a complex joint that bears weight and undergoes significant stress during daily activities, especially if you are returning to work and climbing stairs frequently. After a meniscus repair, the knee may still be sensitive and prone to discomfort as it adjusts to increased activity levels.
However, the specific location of your pain—on the outer side of the knee—could indicate a few different scenarios. One possibility is that the pain is related to the surgical site itself. After surgery, the tissues around the knee, including ligaments and tendons, may still be inflamed or healing, which can lead to discomfort. This is particularly true if you are engaging in activities that put strain on the knee, such as climbing stairs or sitting for extended periods.

Another consideration is the possibility of re-injury. While it is not uncommon for patients to experience some level of pain after surgery, if the pain is sharp, persistent, or worsening, it could suggest that the meniscus has not healed properly or that there has been a re-tear. This is particularly a concern if you notice swelling, instability, or a "catching" sensation in the knee, which can indicate that the meniscus is not functioning as it should.

Additionally, the pain could also be related to other structures in the knee, such as the ligaments, cartilage, or even the patella (kneecap). Sometimes, pain can arise from issues such as patellofemoral pain syndrome, which is common in individuals who have undergone knee surgery and may be exacerbated by increased activity levels.

Given your symptoms, it is crucial to consult with your orthopedic surgeon or a physical therapist who specializes in post-operative rehabilitation. They can perform a thorough assessment, which may include physical examinations and imaging studies, to determine the exact cause of your pain. They can also provide guidance on appropriate rehabilitation exercises to strengthen the knee and improve flexibility without risking further injury.

In the meantime, consider the following recommendations to manage your pain:
1. Rest and Ice: Allow your knee to rest, especially after activities that exacerbate the pain. Applying ice can help reduce inflammation and numb the area.

2. Modify Activities: Avoid activities that put excessive strain on your knee, such as climbing stairs or sitting for long periods. Gradually increase your activity level as tolerated.

3. Physical Therapy: Engage in a structured rehabilitation program that focuses on strengthening the muscles around the knee and improving range of motion.

4. Pain Management: Over-the-counter pain relievers, such as ibuprofen or acetaminophen, may help alleviate discomfort. However, consult your doctor before taking any medication.

5. Follow-Up Appointments: Keep all follow-up appointments with your surgeon to monitor your recovery and address any concerns about your knee's condition.

In conclusion, while post-surgery pain can be a normal part of the healing process, it is essential to differentiate between typical discomfort and signs of potential re-injury. Consulting with your healthcare provider will provide clarity and ensure that you receive the appropriate care to facilitate your recovery.

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