Living Without an ACL: Treatment Options and Future Outlook - Orthopedics

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What should I do if I have lost my anterior cruciate ligament?


Hello! About 15 years ago, I had a minor car accident that injured my anterior cruciate ligament (ACL), and I received treatment and rehabilitation at Tzu Chi Hospital in Taipei.
A friend suggested I visit Taipei Veterans General Hospital, where the doctor mentioned that rehabilitation would be a long process requiring perseverance and determination, and that if it didn't significantly affect my mobility, I could decide for myself.
At that time, I was working and didn't have much time for rehabilitation, so I stopped after completing the initial course.
I have always been unable to run, but I can walk normally and have no issues going up and down stairs.
Five years ago, I moved to a fifth-floor apartment, and this June, I moved again! I may have injured my foot this time, as my knee sometimes feels uncomfortable.
In September, I returned to Tzu Chi Hospital for an examination.
After an X-ray, the doctor said that my ACL is gone, and there is joint degeneration, but it's not yet at the stage for surgery.
I was advised to apply heat at home, use a knee brace, and take glucosamine.
The doctor mentioned that if there is no pain, there is no need for medication.
At that time, I didn't have much knowledge about this matter, so I didn't ask many questions and just thanked the doctor before leaving.
I plan to return for a follow-up in six months! I would like to inquire if there are any proactive treatment options available, or what changes I might expect in the future? Thank you!

ck shih, 60~69 year old female. Ask Date: 2022/11/06

Dr. Shi Guozheng reply Orthopedics


Strength training for the quadriceps can enhance muscle strength, which may help reduce anterior-posterior movement of the knee joint.
Depending on your age, undergoing ligament reconstruction may not be advisable at this time.
If you are not experiencing pain, there is no need for aggressive treatment.
Surgery should only be considered if there is complete joint degeneration.

Reply Date: 2022/11/06

More Info


Living without an anterior cruciate ligament (ACL) can present various challenges, particularly in terms of knee stability and function. The ACL is crucial for maintaining proper knee mechanics, especially during activities that involve pivoting, running, or jumping. When this ligament is compromised, individuals may experience instability, discomfort, and an increased risk of further knee injuries.

From your description, it seems that you have been managing your condition for quite some time, and while you have adapted to living without a functioning ACL, it is essential to consider your options moving forward. Here are some treatment options and considerations for your situation:
1. Physical Therapy and Rehabilitation: Although you mentioned that you had limited time for rehabilitation in the past, engaging in a structured physical therapy program can be beneficial. A physical therapist can help you strengthen the muscles around your knee, improve your range of motion, and enhance overall stability. This can be particularly important if you are experiencing discomfort or instability in your knee.

2. Bracing: Using a knee brace can provide additional support and stability, especially during activities that may put stress on your knee. A functional knee brace can help prevent excessive movement and reduce the risk of further injury.

3. Activity Modification: Since you have noted that running is not feasible for you, it may be helpful to explore low-impact activities that can maintain your fitness without putting undue stress on your knee. Swimming, cycling, and elliptical training are excellent alternatives that can help you stay active while minimizing discomfort.

4. Pain Management: If you experience discomfort, over-the-counter pain relievers such as NSAIDs (e.g., ibuprofen) can help manage inflammation and pain. However, it's essential to consult with your healthcare provider before starting any medication.

5. Surgical Options: While your current doctor has indicated that surgery is not yet necessary, it is worth discussing the possibility of ACL reconstruction in the future, especially if your knee function deteriorates or if you experience significant instability. Surgical intervention can restore knee stability and allow for a return to more dynamic activities.

6. Monitoring Joint Health: Given that you have experienced some joint degeneration, it is crucial to monitor your knee health regularly. This may involve follow-up imaging studies, such as X-rays or MRIs, to assess the condition of your knee joint and any potential progression of arthritis.

7. Lifestyle Adjustments: Maintaining a healthy weight can reduce stress on your knees. Additionally, incorporating anti-inflammatory foods into your diet, such as omega-3 fatty acids found in fish, nuts, and seeds, can support joint health.

8. Future Outlook: The long-term outlook for individuals living without an ACL varies. Some may continue to function well with conservative management, while others may experience progressive knee issues. Regular follow-ups with your healthcare provider will help you stay informed about your knee's condition and any necessary interventions.

In conclusion, while living without an ACL can be challenging, there are various strategies to manage your symptoms and maintain your quality of life. Engaging in physical therapy, considering bracing, modifying activities, and monitoring your knee health are all proactive steps you can take. If your symptoms worsen or if you have concerns about your knee's stability, do not hesitate to seek further evaluation from an orthopedic specialist. They can provide tailored recommendations based on your specific situation and help you navigate your treatment options effectively.

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