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Arthroscopic surgical repair of torn anterior cruciate ligaments (ACL) or meniscal cartilage injuries in the knee does not decrease the chances of developing osteoarthritis, according to a new study published in the online edition and August print issue of the journal Radiology.
A decade after the initial injuries were diagnosed using MRI, localized knee osteoarthritis was evident in patients, regardless of whether or not the injuries had been surgically repaired.
For the study, researchers gathered information from the database of a previous multicenter study of 855 patients. The earlier study was conducted from 1996 to 1997 to evaluate the diagnostic value of knee MRI relative to arthroscopy in patients with knee pain.
In the current study, Dr. Huétink and colleagues followed up with 326 of the original 855 patients. All 326 patients had experienced knee pain for four weeks or more prior to the initial MRI and treatment. Initial findings and differences in treatment were compared with current follow-up x-rays and MRI exams.
"This study proves that meniscal and cruciate ligament lesions increase the risk of developing specific types of knee osteoarthritis," said Kasper Huétink, M.D., the study's lead author and resident radiologist at Leiden University Medical Center in the Netherlands. "Surgical therapy does not decrease that risk."
Knee osteoarthritis typically develops gradually over several years. Knee osteoarthritis symptoms can include pain, stiffness, swelling and reduction in knee mobility.
Source
Radiology
(MDN)
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