Knee Issues After Car Accident: Pain and Recovery - Orthopedics

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Knee issues after a car accident?


Hello, Doctor.
Five months ago, I suffered a left femoral fracture due to a car accident.
I have been undergoing physical therapy for two months, primarily focusing on knee flexion rehabilitation.
The angle has improved to nearly match my healthy leg, but during therapy, I noticed some issues.
The therapist believes my left knee is unstable and suspects it may be related to ligament damage.
I discussed this with my doctor during my follow-up visit, and an MRI was ordered.
However, I still have a few questions:
1.
The therapist suspects ligament damage because whenever I exert more force on my left knee, I experience pain (which causes me to shift my weight to the right).
Additionally, I find it difficult to descend slopes without my legs feeling weak.
Are these symptoms related to ligament injury, or could they simply be due to insufficient thigh strength? (The therapist mentioned that it seems strange I haven't been able to build strength after such a long time.)
2.
Besides experiencing pain when bearing weight, I feel a tingling and sharp pain whenever I lightly press or touch my knee (specifically above and in the middle of the patella).
I have noticed some bruising in the center of my knee, likely from the impact during the accident.
At the time, I focused on the femoral fracture and thought the bruise would heal on its own, but five months later, the pain persists.
Is this sharp pain related to the bruise, or could there be another cause? If so, why hasn't it improved after such a long time? Recently, I even feel sharp pain without touching it, especially at night, which is unbearable.
Are there any treatment options for these symptoms?
I apologize for the numerous questions, and I appreciate your help.
Thank you!

Niming, 20~29 year old female. Ask Date: 2017/12/25

Dr. Li Yongheng reply Orthopedics


Hello: 1.
Femoral fractures are often associated with injuries to the knee's cruciate ligaments, with clinical manifestations primarily including weakness and instability in the affected limb.
It is recommended to perform magnetic resonance imaging (MRI) for evaluation.
2.
As for the severe pain experienced when pressing or touching the knee, this may be related to superficial nerve damage caused by the impact of the injury; however, it is usually not serious and typically heals over time.

Reply Date: 2017/12/25

More Info


Hello! Thank you for your detailed questions regarding your knee issues following your car accident. It sounds like you have been through a lot, and I commend you for your commitment to recovery. Let’s address your concerns one by one.

1. Instability and Pain in the Knee: The symptoms you describe, such as pain when applying pressure to your left knee and feeling unstable, could indeed be related to ligament injuries. Ligaments are crucial for stabilizing the knee joint, and if they are damaged, it can lead to instability and pain during activities that require strength or balance, such as going downhill. The fact that you are favoring your right leg suggests that your left knee may not be providing the support you need, which can be a sign of weakness or injury in the ligaments. It’s also possible that the muscles around your knee, particularly the quadriceps and hamstrings, may not have fully regained their strength after your injury, contributing to the instability. A thorough evaluation through MRI, as you mentioned, can help determine if there are any ligament tears or other soft tissue injuries that need to be addressed.

2. Pain and Bruising Above the Patella: The sharp, stabbing pain you feel when pressing on your knee, particularly above the patella, could be indicative of several issues. It may be related to residual bruising or soft tissue damage from the accident. Bruising can sometimes take a long time to heal, especially if it involves deeper tissues or if there was significant trauma. The sensation of "pins and needles" or sharp pain can also be a sign of nerve irritation or entrapment, which can occur after trauma. If there is still visible bruising after five months, it is worth discussing with your doctor, as it may indicate that the underlying tissue has not healed properly or that there is ongoing inflammation.

3. Treatment Options: For the pain and instability you are experiencing, several treatment options may be beneficial. Physical therapy is crucial, and it sounds like you are already engaged in this process. Focus on strengthening the muscles around your knee, as this can help provide better support and stability. Your therapist may also incorporate balance training to improve your proprioception, which is your body’s ability to sense its position in space.
If your pain persists, your doctor may consider additional interventions. These could include corticosteroid injections to reduce inflammation, or in some cases, surgical options if there are significant ligament injuries. Additionally, modalities such as ultrasound therapy, electrical stimulation, or even acupuncture may provide relief from pain and promote healing.

4. Follow-Up: It’s essential to maintain open communication with your healthcare team. Bring up all your concerns during your follow-up visits, especially regarding the persistent pain and any new symptoms. Your doctor may recommend further imaging studies or refer you to a specialist, such as an orthopedic surgeon, for a more in-depth evaluation of your knee.

In summary, your symptoms could be related to ligament injuries, muscle weakness, or residual effects from the trauma. Continuing physical therapy, addressing any potential ligament injuries, and managing pain through appropriate treatments will be key to your recovery. Don’t hesitate to seek further evaluation if your symptoms do not improve, as early intervention can often lead to better outcomes. Wishing you a smooth recovery!

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