Post-Car Accident: Knee Swelling and Limited Mobility Solutions - Rehabilitation

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Knee swelling and inability to bend following a car accident?


Doctor, I had a minor accident yesterday where I fell from my vehicle, resulting in some superficial abrasions.
However, the more serious issue is the pain and swelling in my left knee and ankle.
I went to the hospital and had an X-ray, and the doctor said there are no fractures.
However, today my knee and ankle feel even more swollen, and I am unable to bend or straighten my knee.
I can only walk with a limp.
I would like to ask if it is advisable to undergo bloodletting to reduce the swelling? Are there any other methods for a quicker recovery?

Chuck, 10~19 year old female. Ask Date: 2018/05/19

Dr. Yin Xinbei reply Rehabilitation


Although the bone is not fractured, there may be soft tissue contusions and potentially serious issues such as ligament tears.
Ice therapy should be applied within 24-72 hours.
Once the swelling decreases and bruising appears, heat therapy can be initiated.
If the swelling persists, it is advisable to seek medical attention promptly to avoid delaying treatment.

Reply Date: 2018/05/19

More Info


After a car accident, experiencing knee swelling and limited mobility can be quite distressing. It’s important to understand that while you may have sustained only minor abrasions, the pain and swelling in your knee and ankle could indicate underlying soft tissue injuries, such as ligament sprains, tendon injuries, or even contusions that may not be visible on an X-ray.

When you mentioned that your knee and ankle are swollen and painful, and that you are unable to fully bend or straighten your knee, these symptoms suggest that there may be inflammation in the joint or surrounding tissues. The swelling could be due to a buildup of fluid in the knee joint, known as effusion, which can occur after trauma even if there is no fracture. This fluid accumulation can lead to increased pressure and pain, making it difficult to move the joint.

Regarding your question about "bloodletting" to reduce swelling, this is not a recommended practice in modern medicine. Instead, the focus should be on managing the swelling and pain through appropriate methods. Here are some strategies that may help:
1. R.I.C.E. Method: This stands for Rest, Ice, Compression, and Elevation. Resting the affected knee and ankle is crucial to prevent further injury. Applying ice packs for 15-20 minutes every hour can help reduce swelling and numb the pain. Compression with an elastic bandage can also help control swelling, but be careful not to wrap it too tightly. Elevating the leg above heart level can assist in reducing swelling by promoting venous return.

2. Pain Management: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen can help alleviate pain and reduce inflammation. However, consult with your healthcare provider before starting any medication.

3. Gentle Range of Motion Exercises: Once the initial swelling decreases, gentle range of motion exercises can help restore mobility. Start with simple movements, such as ankle pumps or gentle knee bends, to promote circulation and prevent stiffness.

4. Physical Therapy: If symptoms persist, consider consulting a physical therapist. They can provide a tailored rehabilitation program that focuses on restoring strength and mobility while ensuring that you do not aggravate the injury.

5. Follow-Up Care: It’s essential to follow up with your healthcare provider if the swelling and pain do not improve within a few days or if they worsen. They may recommend further imaging studies, such as an MRI, to assess for any soft tissue injuries that may not have been visible on the X-ray.

6. Avoid High-Impact Activities: Until you have fully recovered, avoid activities that put excessive strain on your knee, such as running or jumping. Focus on low-impact exercises, like swimming or cycling, once you are cleared to resume physical activity.

In summary, while it can be tempting to seek quick fixes like bloodletting, the best approach is to follow evidence-based methods for managing swelling and pain. If your symptoms do not improve or if you experience increased pain, instability, or difficulty walking, seek medical attention promptly. Your recovery will depend on proper care and rehabilitation, so be patient and give your body the time it needs to heal.

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