Feeling of foreign body sensation when straightening the knee and hip pain?
Hello Doctor: I was involved in a car accident around November last year, resulting in a bruise on my left knee and a severe hematoma on my right knee.
An MRI of my right knee revealed a partial tear of the anterior cruciate ligament, and the doctor recommended immediate rehabilitation.
Since the injury, my left knee has only undergone ultrasound therapy, and the rehabilitation physician indicated that it might be soft tissue inflammation, advising me to continue rehabilitation.
I have been undergoing rehabilitation for two months (including electrical stimulation, laser therapy, and hydrotherapy).
While the swelling in my right knee has decreased, my left knee has become increasingly uncomfortable (with no visible abnormalities).
When standing with my left leg straight or walking, I can distinctly feel a sensation of a foreign body below my knee (around the patella), similar to a sprain, and at times, I experience a feeling of dislocation.
Additionally, the muscles (or tendons) on both sides and the back of my knee feel stiff.
Furthermore, I often hear a loud popping sound in my left hip joint, but there is no discomfort with movement; this sound has only occurred since the car accident.
I would like to ask the doctor: 1.
Is there a correlation between the popping sound in my hip joint and the discomfort in my left knee? 2.
If there is an injury to the ligaments or meniscus in my left knee, why has only my right leg shown improvement with continued rehabilitation? I hope the doctor can take the time to respond.
Thank you, Doctor.
Chen, 20~29 year old female. Ask Date: 2017/02/13
Dr. Shi Guozheng reply Orthopedics
1.
It may not necessarily be related; if there is a sound but no pain, it may not require treatment.
2.
There may be inflammation present in the knee joint; you can ask your attending physician for further evaluation.
Reply Date: 2017/02/13
More Info
Dear Patient,
Thank you for reaching out with your concerns regarding your knee discomfort and hip popping following your car accident. It’s understandable to feel anxious about these symptoms, especially after experiencing such a traumatic event. Let’s address your questions and provide some insights into your condition.
1. Is there a connection between the popping sound in the hip joint and the discomfort in the left knee?
The popping sound you’re experiencing in your hip joint, often referred to as "snapping hip," can occur for various reasons, including tight muscles, tendons, or ligaments that may be catching on the bony structures of the hip. While this phenomenon is generally benign, it can sometimes be associated with underlying issues such as bursitis or tendonitis. The discomfort in your left knee may not be directly related to the hip popping, but it is possible that compensatory movements due to your knee injury could lead to altered biomechanics in the hip joint, potentially contributing to the popping sound.
2. If there are injuries to the left knee ligaments or meniscus, why has only the right knee shown improvement with rehabilitation?
Injuries to the knee, such as partial tears of the anterior cruciate ligament (ACL) or damage to the meniscus, can lead to a variety of symptoms, including swelling, pain, and instability. The fact that your right knee has shown improvement while your left knee has not could be attributed to several factors:
- Severity of Injury: The left knee may have sustained more significant damage than initially assessed. Soft tissue injuries, including ligament sprains or meniscal tears, can sometimes take longer to heal and may not respond as well to rehabilitation.
- Rehabilitation Focus: If the rehabilitation program has been more focused on the right knee due to the more apparent injury, the left knee may not have received the same level of attention or targeted treatment. It's crucial to ensure that both knees are being adequately addressed in your rehabilitation plan.
- Compensatory Mechanisms: After an injury, it’s common for individuals to unconsciously alter their movement patterns to avoid pain, which can lead to overuse or strain in other areas, including the left knee. This can exacerbate discomfort and stiffness in the left knee, even if it was not the primary site of injury.
Given your symptoms of stiffness and the sensation of instability in the left knee, it would be advisable to undergo a thorough evaluation, including imaging studies if necessary, to rule out any significant injuries that may have been overlooked.
Recommendations:
- Follow-Up with Your Healthcare Provider: It’s essential to communicate your ongoing symptoms to your healthcare provider. They may recommend further imaging studies, such as an MRI of the left knee, to assess for any ligament or meniscal injuries.
- Physical Therapy: Continuing physical therapy is crucial. Ensure that your therapist is aware of all your symptoms and can tailor your rehabilitation program to address both knees effectively. They may incorporate exercises to improve strength, flexibility, and stability in both knees and the hip.
- Activity Modification: While you are rehabilitating, it’s important to modify your activities to avoid exacerbating your symptoms. Low-impact exercises, such as swimming or cycling, may be beneficial while you recover.
- Consideration of Hip Issues: If the popping in your hip continues or is accompanied by pain, it may warrant further evaluation by an orthopedic specialist to rule out any underlying conditions.
In conclusion, while the popping sound in your hip may not be directly related to your knee discomfort, the overall mechanics of your lower extremities are interconnected. A comprehensive approach to rehabilitation that addresses both knees and the hip will be essential for your recovery. Please do not hesitate to reach out to your healthcare provider for further evaluation and guidance.
Wishing you a smooth recovery and better health ahead.
Best regards.
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