What is a chondromalacia patella?

Chondromalacia patellae, or "runner's knee," results from cartilage softening beneath the kneecap. It is common among young athletes but can also occur in adults with osteoarthritis affecting the knee joint.

Chondromalacia often presents as an overuse condition in sports, and sometimes, a few days off from training is enough to produce good results. However, poor knee alignment occasionally causes the condition, and resting does not help. The most common symptoms of a runner's knee include knee pain and grinding sensations, but most people with it never go to a doctor.

What are the symptoms of chondromalacia patellae?

Chondromalacia patellae usually presents as knee pain. Many describe the feeling as patellofemoral pain syndrome. You may feel grinding or even cracking when bending or extending your knee. You might feel a sharp pain when sitting for a long time or while engaging in extreme pressure applications on your knees, such as standing for a long time or exercising.

Talk to your doctor if your knee is sore and hasn't improved within several days.

What causes chondromalacia patellae?

Your kneecap typically rests above the front of your knee joint. Whenever you bend your knee, the back side of your kneecap rubs along with the cartilage of your femur, or thigh bone, at the knee. Tendons and ligaments connect your kneecap to your shinbone and thigh muscles. When any of these parts fail to move smoothly, they can make your kneecap rub on the thigh bone. Wear and tear in the patella from this unnatural rubbing often leads to the runner's knee or chondromalacia patellae.

There are many possible reasons why your kneecap movement is improper. Some of them include:

  • Poor alignment from a congenital condition
  • Weak hamstrings and quadriceps muscles can be found in the back and front of your thighs.
  • Disproportion of adductor and abductor muscles (the muscles on the outside and inside of your thighs).
  • Knee joints that are repeatedly stressed, like when you run, ski, or jump.
  • A direct strike to the kneecap or trauma.

What is the diagnosis of chondromalacia?

Diagnosing chondromalacia patellae generally involves clinical evaluation and imaging studies:

  • Physical examination: A healthcare provider will evaluate the knee function, tenderness, and abnormal movement patterns.
  • Imaging studies: X-rays may rule out other causes of the condition, and MRI provides high-quality pictures of the cartilage so that the condition can be graded. While this is less common, a CT scan is occasionally necessary to further define the lesion.

What are the treatments for chondromalacia patellae?

Treatment for chondromalacia patellae focuses on relieving symptoms and optimizing knee motion. The conservative approach includes:

Conservative Management:

  • Rest and alteration of activity: Some decrease in activities causing symptoms aids in caring for the pain and allowing the cartilage to heal.
  • Physical therapy: An appropriate physical therapy program might consist of specific exercises to strengthen and increase the flexibility of the knee and assist it in working better.
  • Medicines: The pain and inflammation could be reduced by using NSAIDs.

Superior Therapies:

  • Injections: Corticosteroid or hyaluronic acid injections can reduce inflammation and temporarily alleviate pain.
  • Surgical interventions: If all the conservative treatments are ineffective, arthroscopic surgical procedures may be suggested. Some methods may include debridement of the damaged cartilage and realignment of the patella.

What are the complications associated with chondromalacia patellae?

Without treatment, chondromalacia patellae can progress and cause more severe problems with the joint:

  • Progressive Cartilage Deterioration: Further cartilage destruction might lead to chronic pain and a reduced ability to perform joint functions.
  • Development of osteoarthritis: The chondromalacia may eventually, after prolonged periods, lead to the development of osteoarthritis in the knee joint.

Who is more susceptible to chondromalacia?

Some risks that contribute to the development of chondromalacia patellae include;

  • Age: Any age group may develop chondromalacia, though it tends to occur more in the adolescent age brackets and young adults since they are more active.
  • Gender: Females are more vulnerable, and it is therefore associated with anatomical variations and differences in muscle strength between the two sexes.
  • Sports: It will involve athletes that require focus on the knee joint.
  • History of previous injury: Patients who have had prior injuries and operations on the knee are also said to be predisposed to chondromalacia.

How long will it take to recover from chondromalacia?

Recovery time will depend on the disease's severity and the treatment type, but it can take as little as a few weeks to several months.

Can people with chondromalacia climb the stairs?

Chondromalacia: Climbing the stairs may be pretty painful. However, many patients will recover sufficiently to climb the stairs with lesser discomfort through proper medical management and specific exercises to strengthen the knees.

Can one live with chondromalacia?

Yes. Most patients can easily cope with chondromalacia with appropriate medical care and lifestyle changes.

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Dr. Siddharth Tiwari
Dr. Siddharth Tiwari
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Dr. Sandeep Gupta
Director - Orthopaedics

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