Prevalence of Anterior Cruciate Ligament Tear And Associated Injuries among Patients who Underwent Knee Magnetic Resonance Imaging at Tikur Anbesa Specialized Hospital, Addis Ababa University and Saint Paul Hospital Millennium Medical College, Addis Ababa, Ethiopia.
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Date
2021-09
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Addis Abeba University
Abstract
The knee joint is prone to injury because of its complexity and weight-bearing function. The
Anterior cruciate ligament (ACL) is the one of the most commonly injured knee ligaments and
are common in young individuals who participate in sports activities associated with pivoting,
decelerating and jumping. However there is shortage of information regarding prevalence of
anterior cruciate ligament tear especially in Ethiopia. This is a cross sectional study done to
assess prevalence of Anterior Cruciate ligament tear and associated injuries among patients who
underwent Knee Magnetic resonance imaging from March 2019 to March 2021 at Tikur Anbesa
Specialized Hospital and SPHMMC. SPSS version 26.00 was used for data analysis. The finding
showed the knee pain is one of the commonest clinical presentation and joint effusion as well as
abnormal T2/PD signal intensity are the common MRI findings of ACL tear. The findings also
showed 39.2% the patients had history of trauma of which 17.2% have anterior cruciate ligament
tear. Majority (91.6%) of ACL tear were associated with other injuries in the knee joint. Osseous
injuries (50%) either contusion or avulsion and Meniscal tears (55.5%) are the commonly
associated injuries with ACL tear with the medial meniscus being the commonly affected
meniscus. Postero lateral corner injury was also seen in 5.5%, Posterior cruciate ligament injury
in 8.3%, medial collateral ligament in 19.4% and associated osseous avulsion fracture is seen in
13.9% of patients with ACL injury. Males (58.3%) are highly affected with ACL tear than
females (41.7%).The prevalence of ACL tear is high in young individual with history of falling
down accident and twisting injury. Whenever there is ACL injury evaluation for presence and
pattern of any other injury in the knee joint is recommended.
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Keywords
Anterior cruciate Ligament Tear, Knee MRI, Ethiopia.