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- W3124814480 abstract "The purpose of this study is to introduce the concept and the patho-anatomy of the everted acetabular labrum phenomenon, assess the magnetic resonance imaging (MRI) characteristics of this condition, and present the surgical technique which addresses this problem and the associated clinical outcomes. The operative reports from all hip arthroscopy procedures performed by the senior author between 2014 and 2018 were retrospectively reviewed. The presence of an everted labrum was determined if the labrum was noted to lie on the capsular side of the acetabular rim away from the femoral head while the hip was off traction. Patient demographics and radiographic parameters were analyzed among all patients noted to have an everted labrum. All cases of an everted labrum were treated either with labral repair using an inside-out technique or labral reconstruction/augmentation. All patients underwent 3T MRI prior to surgery (Figure 1). The labrum-to-femoral head distance was measured, amongst other parameters, in all MRIs at the 1:00-2:00 position. A random selection of 12 hips without an intra-operative diagnosis of everted labrum were used as a control group to compare radiographic parameters. A total of 54 hips were noted to have an everted labrum during the study period (mean age 28 years). Mean labral length was significantly shorter than that of controls (3.6 mm versus 5.2 mm, p = 0.027). Seven hips underwent labral reconstruction at the time of surgery in order to obtain anatomical suction seal function. The everted labrum was noted to have a triangular shape in 23% of hips on MRI and a blunted or round shape in 77% of hips, which differed significantly from the control group (p = 0.004). The average labrum-to-femoral head distance on MRI was 1.6 mm, which was significantly greater than that among patients without an everted labrum (0.0 mm, p < 0.0001). The everted acetabular labrum is a rare finding during hip arthroscopy which should be treated with labral repair versus reconstruction/augmentation. The size and shape of the everted labrum may differ from that of the normal labrum and in most cases this pathology can be visualized on preoperative MRI." @default.
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- W3124814480 date "2021-01-01" @default.
- W3124814480 modified "2023-09-27" @default.
- W3124814480 title "The Everted Native Acetabular Labrum: Patho-Anatomy, Imaging Findings, and Surgical Treatment" @default.
- W3124814480 doi "https://doi.org/10.1016/j.arthro.2020.12.167" @default.
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