Knee Joint Replacement After Car Accident Injuries

Questions about knee joint fracture and artificial joint replacement after a car accident?

Last October, I was involved in a car accident that resulted in a knee joint fracture and ligament damage, though the ligaments were not completely torn.
Currently, I have an incomplete surface on the left side of my left knee due to a comminuted fracture, and I experience pain and weakness with increased walking.
After consulting with a doctor, it was suggested that half of the joint be replaced with a prosthetic joint.
I would like to ask Dr.
Shi a few questions: 1.
After the replacement with a prosthetic joint, will I be able to regain my previous level of mobility? 2.
I have heard that some people experience difficulties squatting and walking after joint replacement; how common are these issues? 3.
Will the prosthetic joint need to be replaced after 10 years, and are there any permanent prosthetic joints that do not require replacement? 4.
If I do not undergo the joint replacement, will I be able to maintain my current condition, or will it worsen? Thank you.

max, 50~59 year old female. Ask Date: 2005/09/15

Dr. Shi Guozheng reply Orthopedics

1.
You can only regain a certain level of function, and it won't return to the pre-injury condition; however, you should be able to manage daily activities such as walking, going up and down stairs, and riding a bike, but you should avoid high-impact exercises.

2.
Squatting is not advisable, as it can affect the longevity of the artificial joint; generally, being able to bend to 120 degrees is considered quite good.

3.
After more than ten years of use, some joints may loosen due to wear and tear, but this is not the case for every patient; some can last up to 20 years.

4.
I cannot assess your condition without seeing X-rays or examining the patient.
However, traumatic arthritis typically worsens with joint degeneration.

Reply Date: 2005/09/15

More Info

Knee joint replacement surgery, particularly after traumatic injuries such as those sustained in a car accident, is a significant decision that involves various considerations. Your situation, involving a knee joint fracture and ligament damage, is complex and requires careful evaluation. Here’s a detailed response to your questions based on current medical knowledge and practices.

1. Will I regain my previous level of mobility after joint replacement?
After knee joint replacement surgery, many patients experience significant improvements in mobility and pain relief. However, it is essential to understand that while you may regain the ability to perform daily activities, the level of recovery can vary. Most patients can walk, climb stairs, and engage in low-impact activities, but high-impact sports or activities that place excessive stress on the knee may not be advisable. Rehabilitation plays a crucial role in recovery, and adherence to a physical therapy regimen will enhance your outcomes.

2. Is it common to experience difficulties with squatting or walking after joint replacement?
Yes, some patients report challenges with squatting and walking after knee replacement surgery. The design of artificial joints may limit the range of motion, and many individuals find it difficult to squat deeply. While most patients can achieve a knee flexion of about 120 degrees post-surgery, this may not be sufficient for activities requiring deep bending. Additionally, some patients may experience a sensation of instability or discomfort when walking, particularly if they attempt to engage in activities that were previously routine. It is important to discuss these concerns with your orthopedic surgeon, who can provide specific guidance based on your condition.

3. Will I need to replace the artificial joint after ten years? Are there permanent options?
Most artificial joints have a lifespan of about 15 to 20 years, depending on various factors, including the patient's activity level, weight, and overall health. While some patients may require revision surgery after ten years due to wear and tear, others may not experience issues for much longer. Currently, there are no artificial joints that are guaranteed to last a lifetime without the possibility of replacement. However, advancements in materials and surgical techniques continue to improve the longevity of these implants.

4. If I choose not to have the joint replaced, will my condition worsen?
If you opt not to undergo joint replacement surgery, it is likely that your knee condition may deteriorate over time, especially if you are experiencing pain and weakness. The underlying issues, such as the incomplete fracture and ligament damage, can lead to further joint degeneration, increased pain, and decreased mobility. Non-surgical options, such as physical therapy, pain management, and lifestyle modifications, may provide temporary relief, but they may not address the root cause of your symptoms. Regular monitoring by your healthcare provider is essential to assess the progression of your condition.

In conclusion, knee joint replacement surgery can significantly improve quality of life for individuals with severe knee injuries. It is crucial to have an open discussion with your orthopedic surgeon about your specific situation, expectations, and any concerns you may have. They can provide personalized recommendations based on your health status and lifestyle goals. Engaging in a comprehensive rehabilitation program post-surgery will also be vital for achieving the best possible outcomes.

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