ACL Tears: Diagnosis, Treatment Options, and Recovery Insights - Orthopedics

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Anterior cruciate ligament (ACL) tear


Hello Doctor, three years ago I slipped while playing basketball and went to a clinic where an X-ray diagnosed me with a ligament strain in my knee.
I didn't experience pain for about a year, but last year I started to feel something stuck in there along with a dull sensation.
After visiting a large hospital last week, I was diagnosed with a torn anterior cruciate ligament (ACL) and suspected issues with one side of the meniscus, as well as potential problems with the cartilage and bone.
I would like to ask the following questions:
1.
Why do you think the initial diagnosis was a ligament strain, but later it turned out to be an ACL tear (especially since I haven't felt significant pain in the past two years, just a slight catching sensation)?
2.
Can cartilage, meniscus, and ligaments heal? What is the likelihood of recovery?
3.
Besides minimally invasive surgery, what other surgical options are available? Is there a significant difference in cost? Will the recovery time and extent vary greatly?
4.
Are there many out-of-pocket expenses associated with the entire surgery?
5.
What potential complications or side effects might arise from the surgery? Thank you, Doctor.

Xiao Ma, 10~19 year old female. Ask Date: 2021/05/17

Dr. Shi Guozheng reply Orthopedics


1.
Anterior cruciate ligament (ACL) tears require a physical examination to assess for any signs of joint laxity, followed by imaging studies for a definitive diagnosis.
If the degree of laxity is not significant, surgery may not be necessary.

2.
Cartilage damage is irreversible.
The management of a meniscus tear depends on its location; some tears can be repaired, while others may require partial removal.

3.
It is advisable to consult your attending physician regarding the surgery; arthroscopic minimally invasive techniques are generally preferred.

4.
Costs should also be discussed with the surgeon for detailed information.

5.
Complications are usually rare, with the worst-case scenario being no improvement.

Reply Date: 2021/05/17

More Info


Understanding ACL (anterior cruciate ligament) tears is crucial for anyone who has experienced knee injuries, especially athletes. Your situation highlights the complexities of knee injuries and the importance of accurate diagnosis and treatment. Let’s address your questions one by one.

1. Initial Diagnosis vs. Later Findings: It’s not uncommon for ACL tears to be misdiagnosed initially, especially if the injury does not present with severe pain or swelling. A strain or sprain can sometimes mask the underlying damage to the ACL. The knee is a complex joint, and symptoms like a feeling of something "catching" or a "dull" sensation can develop over time as the knee compensates for the instability caused by the torn ligament. Additionally, the presence of other injuries, such as meniscal tears or cartilage damage, can contribute to the symptoms you are experiencing.

2. Healing of Soft Tissues: The ACL does not heal well on its own due to its poor blood supply. However, the meniscus and cartilage can sometimes heal, depending on the extent of the injury and the location. Meniscal tears can often be treated conservatively or surgically, and recovery can vary widely. If the tear is in the vascularized outer part of the meniscus, it may heal better than tears in the avascular inner part. The recovery rate for these tissues can be quite variable, with some patients experiencing significant improvement while others may have persistent issues.

3. Surgical Options: Besides arthroscopic (minimally invasive) surgery, there are open surgical techniques, but these are less common for ACL reconstruction. The choice of surgical method often depends on the specific injury and the surgeon's expertise. The costs can vary significantly based on the type of surgery, the facility, and whether additional procedures (like meniscus repair) are needed. Generally, arthroscopic surgery is preferred due to less recovery time and lower complication rates. Recovery time can vary; typically, it may take 6-12 months to return to full activity, depending on the extent of the injury and the type of surgery performed.

4. Out-of-Pocket Expenses: Surgical procedures can involve various out-of-pocket costs, including anesthesia, facility fees, and rehabilitation. Insurance coverage can significantly affect these costs, so it’s essential to discuss this with your healthcare provider and insurance company to understand your financial responsibilities.

5. Potential Complications: As with any surgery, there are risks involved. Possible complications from ACL reconstruction include infection, blood clots, stiffness, and re-injury. Some patients may experience persistent instability or pain, which can be frustrating. However, many individuals successfully return to their previous levels of activity after rehabilitation.

In conclusion, it’s essential to have a thorough discussion with your orthopedic surgeon about your specific case. They can provide tailored advice based on your injury's severity and your activity level. Rehabilitation plays a critical role in recovery, and following a structured physical therapy program can help restore function and strength to your knee. Always ensure you are fully informed about your treatment options and recovery expectations. Good luck with your recovery!

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