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Different Techniques for the Management of Meniscal Ramp Lesions Using Standard Anterior Portals.

ABSTRACT: There is strong association between meniscal lesions and anterior cruciate ligament injuries. Recently, light was shown on a new entity: ramp lesions. The incidence of these lesions and their management is still unclear. Although some believe that some lesions, when stable, can be managed conservatively, most surgeons repair ramp tears. Accessibility of these tears is challenging; they are best accessed through posterior portals, which is time-consuming and poses potential risk to vital structures. Our technique allows access to and management of ramp lesions through safe standard anterior portals. Ramp lesions are searched for as a routine step during anterior cruciate ligament reconstruction by advancing the scope through the intercondylar notch just beside the medial femoral condyle. If a lesion is found, it is repaired; only very stable small tears are treated with needling to refresh the edges and induce a healing response. A simple suture, horizontal mattress suture, or a circumferential stitch is used.

SUBMITTER: Mostafa Zaky Abdelrazek BH

PROVIDER: S-EPMC6993190 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:PurposeTo establish the magnetic resonance imaging (MRI) and operative incidence of ramp lesions in a consecutive group of patients who had undergone anterior cruciate ligament reconstruction (ACLR) and to propose a graded radiologic classification that seeks to define key preoperative features that most strongly correlate with arthroscopically confirmed ramp lesions.MethodsAfter retrospective review, all consecutive patients who underwent ACLR with preoperative MRI over a 16-month period were included in the study. Diagnostic arthroscopy with direct visualization of the posteromedial compartment was used to establish the true incidence of ramp lesions. Three radiologists, blinded to the surgical findings, independently analyzed the MRI scans of all patients and classified the signal intensity at the posterior meniscocapsular junction using 4 criteria (type 1, diffuse increased signal equal to adjacent femoral cartilage; type 2, diffuse increased signal greater than cartilage; type 3, diffuse increased signal plus full-height linear fluid-signal cleft; and type 4, full-height fluid-signal meniscocapsular separation). Interobserver reliability, in addition to sensitivity, specificity, and positive and negative predictive values, was calculated.ResultsOf the 93 patients included (mean age, 26.7 years), 11 (11.8%) were confirmed to have ramp lesions on arthroscopy. Inter-rater reliability for the MRI diagnosis of the positive ramp lesions was good, at 0.75. Type 3 criteria were the most accurate, producing average sensitivity and specificity values of 85% and 82%, respectively.ConclusionsRamp lesions are not infrequently encountered in ACLR and, if not recognized at the time of surgery, may contribute to inferior outcomes. MRI is an effective method of preoperative assessment, and the presence of type 3 changes should be used as criteria for radiologically definitive ramp lesion diagnosis.Clinical relevanceThis study highlights the incidence of meniscal ramp lesions encountered in ACLR surgery and the effectiveness of MRI as a preoperative imaging modality.

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Different Techniques for the Management of Meniscal Ramp Lesions Using Standard Anterior Portals.

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