Abstract
The objective of our work is to clarify the contribution of knee arthrometer in the diagnosis of the anterior laxity of the knee, to look for the factors of escalation of this pathology, to estimate the objective results and outcomes following of the anterior cruciate ligament surgery. It is about a retrospective study which concerned 78 patients presenting the anterior chronic laxity of the knee, investigated, treated and followed in the M.-T.-Kassab Institute of Orthopaedics over a period of 10 years. The average age of our patients was of 27.6 years with a male ascendancy. The anterior cruciate ligament surgery was realized according to the technique of Kenneth-Jones under arthroscopy. The arthrometer has been used to determine the outcome 6 months after the surgery. Before the surgery, the average anterior translation of the tibia was 15.3 mm, 95% of the patients had 8 mm previous absolute laxity, while the differential was about 4 mm in 87% of the cases in which comparative study could be made. There was a statistically significant correlation between the Lachman's test, the internal meniscus injuries and the delay accident — surgery with the anterior knee laxity in the arthrometer. The postoperative average laxity was bout 8.2 mm and earning was proportional to the importance of the initial tibial translation. The present study demonstrates that arthrometer tests may be an objective complement for the clinical exam, with a diagnostic, previous and therapeutic purpose.
Published Version
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