Ankle Ligament Injuries: Recovery, PRP, and Treatment Options - Orthopedics

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Ankle ligaments?


Hello Doctor: I have researched that ligament tears typically heal in about 1 to 2 months, while complete ligament ruptures may take 3 to 4 months or longer.
My right ankle ligament has been injured for almost 4 months now, and I am only 26 years old.
Is this duration unusually long? Initially, an X-ray showed no bone damage, but I continued to feel discomfort, so I went to another clinic for an ultrasound.
The doctor there said I had a slight ligament rupture and recommended PRP injection.
What is that? Will it help with recovery? I then returned to my original rehabilitation clinic and asked the doctor to perform another ultrasound, but he said my ligament healing was progressing well and that surgery was not necessary (I was very concerned and kept asking if surgery was needed).
Why are the two doctors giving different opinions? Should I get an MRI at the hospital? If my ligament is indeed ruptured and I do not have surgery, will that affect me in the future? I love sports, and while I am basically back to normal, my ankle becomes uncomfortable after prolonged walking, and I hear a cracking sound when I rotate my ankle clockwise.
Is this serious?

BMR., 20~29 year old female. Ask Date: 2017/02/16

Dr. Shi Guozheng reply Orthopedics


Ankle ligament injuries typically heal within three months, but full recovery to normal function may take five to six months.
Therefore, it is sufficient to continue rehabilitation, and there is no need for a follow-up MRI at this time.
Surgical intervention is usually not required.

Reply Date: 2017/02/16

More Info


Understanding ankle ligament injuries can be quite complex, especially when considering recovery timelines, treatment options like PRP (Platelet-Rich Plasma) therapy, and the potential need for surgical intervention. Based on your description, it seems you have been dealing with an ankle ligament injury for almost four months, which is a significant amount of time for recovery, particularly at your young age of 26.

First, let's clarify the nature of ligament injuries. Ligaments are tough bands of tissue that connect bones to other bones at joints. When a ligament is sprained, it can range from mild stretching to complete tears. Recovery times can vary significantly based on the severity of the injury. Generally, mild sprains may heal within a few weeks, while more severe injuries, such as complete tears, can take several months to heal properly. Your experience of discomfort and the varying opinions from different doctors suggest that your injury may be more complex than initially thought.

Regarding the differing opinions from the two doctors you consulted, this is not uncommon in medical practice. One doctor suggested that you had a ligament tear and recommended PRP therapy, while the other indicated that your ligaments were healing well and that surgery was not necessary. This discrepancy could arise from differences in interpretation of imaging studies (like ultrasound) or varying clinical assessments. An MRI could provide a more detailed view of the soft tissues, including ligaments, and may help clarify the extent of your injury.

PRP therapy involves injecting a concentration of platelets derived from your own blood into the injured area. The idea is that the growth factors in the platelets can promote healing and reduce inflammation. While some studies suggest that PRP can be beneficial for certain types of ligament injuries, the evidence is still evolving. It is essential to have a thorough discussion with your healthcare provider about whether PRP is appropriate for your specific situation.

As for your concern about the long-term effects of not having surgery if your ligament is indeed torn, it largely depends on the severity of the tear and your activity level. Many people with partial tears can recover without surgery, especially if they follow a proper rehabilitation program. However, if the ligament is completely torn and not addressed, it could lead to chronic instability in the ankle, which might increase the risk of future injuries or arthritis.

The discomfort you experience during prolonged activity and the "cracking" sound when rotating your ankle could indicate residual instability or changes in the joint mechanics due to the injury. While these symptoms are not uncommon, they should be monitored. If the discomfort persists or worsens, or if you experience swelling or instability, it would be wise to seek further evaluation.

In summary, it is crucial to have a clear understanding of your injury and the best course of action for recovery. If you are still experiencing discomfort after four months, consider discussing the possibility of an MRI with your doctor to get a clearer picture of your ankle's condition. Additionally, if you are considering PRP therapy, ensure you have a comprehensive discussion with a healthcare provider who is knowledgeable about this treatment and its potential benefits for your specific injury. Lastly, continue to listen to your body; if certain movements cause pain, it is wise to avoid them until you have fully recovered.

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