Is there a distinct pattern to the acetabular labrum and articular cartilage damage in the non-dysplastic hip with instability?

Purpose The purpose of this study was to determine whether or not there is a distinct pattern of injury to the acetabular labrum and/or cartilage in the hip with instability without bony dysplasia. Methods Surgical records and intra-operative images of consecutive patients who underwent primary hip...

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Bibliographic Details
Published in:Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA sports traumatology, arthroscopy : official journal of the ESSKA, 2017, Vol.25 (1), p.84-93
Main Authors: Shibata, Kotaro R., Matsuda, Shuichi, Safran, Marc R.
Format: Article
Language:English
Subjects:
Acetabulum - diagnostic imaging
Acetabulum - pathology
Adolescent
Adult
Cartilage
Cartilage, Articular - diagnostic imaging
Cartilage, Articular - pathology
Female
Femoracetabular Impingement - diagnostic imaging
Femoracetabular Impingement - pathology
Fibrocartilage - diagnostic imaging
Fibrocartilage - pathology
Hip
Hip joint
Hip Joint - diagnostic imaging
Humans
Joint Instability - diagnostic imaging
Joint Instability - pathology
Knee
Male
Medicine
Medicine & Public Health
Morphology
Orthopedics
Pain
Pathology
Retrospective Studies
Surgery
Young Adult
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Summary:Purpose The purpose of this study was to determine whether or not there is a distinct pattern of injury to the acetabular labrum and/or cartilage in the hip with instability without bony dysplasia. Methods Surgical records and intra-operative images of consecutive patients who underwent primary hip arthroscopy for femoroacetabular impingement (FAI) and/or hip instability by the senior author from April 2007 to December 2014 were retrospectively reviewed. Pathological changes were documented and charted on a novel diagram of the acetabulum, and classified into eight patterns corresponding to the lesion’s location and size. In patients who had acetabular chondroplasty treatment, the width of the cartilage lesion was recorded. Results A total of 953 hips in 886 patients were included, and patients who met our inclusion/exclusion criterion were grouped into an Instability-Only group (45 hips), an Instability-Dysplasia group (12 hips), as well as Pincer-FAI, Cam-FAI, and Combined-FAI groups consisting of 100, 54, and 269 hips, respectively. In the Instability-Only group, 42.2 % of the chondral and labral lesions demonstrated a “Straight-Anterior” pattern, which proportion was statistically significantly different compared with Pincer-FAI ( p  
ISSN:0942-2056
1433-7347
DOI:10.1007/s00167-016-4342-4