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Muscle, Ligaments and Tendons Journal

Correlation between time from injury to surgery and the prevalence of ramp and hidden lesions during anterior cruciate ligament reconstruction.
A new diagnostic algorithm

Original Article, 491 - 497
doi: 10.11138/mltj/2017.7.3.491
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Abstract
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Background: Anterior cruciate ligament tears (ACL) are associated with meniscal lesions, that could involve the posterior horn of the medial meniscus (PHMM). A variety of techniques has been proposed to better visualise the postero-medial (PM) compartment. The aim of the study is to evaluate the prevalence of longitudinal tears of peripheral attachment of the PHMM during arthroscopic ACL reconstruction, and to describe a diagnostic algorithm.
Methods: 115 patients who underwent arthroscopic ACL reconstruction were enrolled for the study. An anterior and an intercondylar notch visualisation were ordinarily performed. A postero-medial (PM) portal was performed when the instability of the posterior horn was detected. Statistical significance was assessed by a Chi-squared or Fisher’s Exact Test for categorical variables, and by a Mann- Whitney U test for continuous variables.
Results: We recorded a 9.6% prevalence of lesions of the peripheral attachment of PHMM. Nine ramp lesions and two hidden lesions were diagnosed. Patients treated within 6 months from injury, revealed a statistically significant correlation with a higher prevalence of these lesions.
Conclusion: Ramp and hidden lesions are very common ACL rupture associated injuries. Our diagnostic algorithm is a valid and safe option to diagnose these kinds of lesions. A correlation between a longer time from injury than 6 months and a reduced prevalence of these lesions was recorded in our population.
Level of evidence: IV.

Vol. 8 (No. 4) 2018 October/December

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