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Advances in health and medicine.
Marjorie Bekaert Thomas
Advances in health and medicine.
Orthopedics Channel
Reported November 14, 2012

Surgery-Free Fix Knees -- Research Summary

BACKGROUND: The knee joint is made up of bone, cartilage, ligaments, and fluid, as well as muscles and tendons which help the knee joint move. Knee problems occur when one of these structures is hurt or diseased and this can cause pain or difficulty walking. (Source:

TYPES: Various diseases and injuries can cause knee problems, but below is a list of some of the more common causes of knee problems:

  • Osteoarthritis – This is the most common type of arthritis and is occurs when the cartilage in the knee deteriorates with use and age.
  • ACL injury – This occurs when the anterior cruciate ligament is torn, which is one of four ligaments connecting the shinbone to the thighbone. This is a common sports injury, especially for people who play basketball or go downhill skiing because it’s linked to a sudden change in direction.
  • Patellar tendinitis – This is an irritation or inflammation of one or more tendons and inflammation of the patellar tendon is often seen in runners, skiers, and cyclists.
  • Pseudogout – This is caused by calcium pyrophosphate crystals that develop in the join fluid and knees are the most common joint affected by pseudogout.

TREATMENT: Treatment for knee problems and injuries varies. Sometimes patients are given medications to alleviate the pain or treat underlying conditions such as gout, other times physical therapy to strengthen the muscles around the knee is recommended. Other treatments for knee problems include corticosteroid injections to reduce the symptoms and pain of osteoarthritis for a few months, and orthotics and bracing to shift pressure away from the side of the knee most affected by osteoarthritis. Some knee injuries and even arthritis may require surgery such as arthroscopic surgery, where the doctor uses a fiber-optic camera and long narrow tools in small incisions around the knee to remove loose bodies and repair torn cartilage or ligaments. Another surgery for knee problems is either a partial or total knee replacement, where the damaged portion of the knee or the entire knee joint is removed and replaced with an artificial piece. (Source: Mayo Clinic)

SUBCHONDROPLASTY: A subchondroplasty is used when the patient has experienced a bone marrow edema, which is a bone microfracture, in their knee and other treatments short of knee replacement surgery have not worked. First the patient is given an MRI to confirm that they have a BME. Then the defect is filled in with a bone substitute. This not only relieves pain, but there is also a high success rate for this procedure and a shorter recovery time than if the patient were to do knee replacement surgery. (Source: MORE

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