PMID: 9435937Jan 1, 1997Paper

Undiagnosed anterior cruciate ligament rupture. A common problem with poor prognosis

Annales Chirurgiae Et Gynaecologiae
T StrandE Solheim

Abstract

Our knowledge on how often tears of the anterior cruciate ligament (ACL) initially remain undetected and the outcome of the resulting non-operative regimen is still incomplete. To investigate these issues, we conducted a follow-up study in young individuals that 4 to 5 years earlier had sustained a knee injury during a sports event that had been diagnosed as a first-degree sprain. The patients (n = 54) were grouped according to present symptoms (pain or instability): A, no symptoms (n = 27), B, moderate symptoms (n = 16) and C, severe symptoms (n = 11). Eight group A patients, 11 group B patients and 8 group C patients participated in the follow-up study. Symptoms and level of activity were evaluated and clinical examination of the knee and KT-1000 instrumented measurement of anterior knee laxity were performed. Increased anterior laxity was demonstrated in 7 patients (1 in group B and 6 in group C). In the same period these injuries occurred, acute ACL rupture was diagnosed in our region in 16 patients. The proportion of overlooked ACL ruptures to injuries interpreted as a first-degree sprain and to total number of ACL ruptures sustained during the same period was at least 7 out of 54 (13%) and at least 7 out of 23 (30%), resp...Continue Reading

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