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Acetabular labrum

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https://www.readbyqxmd.com/read/29157629/mri-appearance-in-the-early-stage-of-legg-calv%C3%A3-perthes-disease-to-predict-lateral-pillar-classification-a-retrospective-analysis-of-the-labral-horizontalization
#1
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
BACKGROUND: The Herring lateral pillar classification is widely used for the classification of Legg-Calvé-Perthes disease, but is not applied at the early stage of Legg-Calvé-Perthes disease because it is typically applied at the late fragmentation stage. The purpose of this study was to investigate the correlation between the early appearance on magnetic resonance imaging of the acetabular labrum and lateral pillar involvement in Legg-Calvé-Perthes disease. METHODS: Non-contrast magnetic resonance images of 26 hips in 25 children with early-stage Legg-Calvé-Perthes disease were retrospectively reviewed...
November 17, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29135288/selective-debridement-with-labral-preservation-using-narrow-indications-in-the-hip-minimum-5-year-outcomes-with-a-matched-pair-labral-repair-control-group
#2
Austin W Chen, Leslie C Yuen, Victor Ortiz-Declet, Jody Litrenta, David R Maldonado, Benjamin G Domb
BACKGROUND: Arthroscopic labral debridement in the hip can be an effective treatment for labral tears but has demonstrated inferior outcomes compared with labral repair. Thus, the role for labral debridement has become unclear. Hypothesis/Purpose: The purpose was to evaluate the outcomes of a selective debridement with labral preservation (SDLP) group with a minimum 5-year follow-up. It was hypothesized that, with narrow indications, SDLP would produce statistically improved patient-reported outcome (PRO) scores, comparable with those of a matched-pair labral repair control group...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29081850/obstacles-to-reduction-in-infantile-developmental-dysplasia-of-the-hip
#3
K Studer, N Williams, P Studer, M Baker, A Glynn, B K Foster, P J Cundy
PURPOSE: Identification of anatomical structures that block -reduction in developmental dysplasia of the hip (DDH) is -important for the management of this challenging condition. Obstacles to reduction seen on arthrogram are well-known. However, despite the increasing use of MRI in the assessment of adequacy of reduction in DDH, the interpretation of MRI patho-anatomy is ill-defined with a lack of relevant literature to guide clinicians. METHOD: This is a retrospective analysis of the MRI of patients with DDH treated by closed reduction over a five-year period (between 2009 and 2014)...
October 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29027115/correlation-between-mri-and-hip-arthroscopy-in-children-with-legg-calve-perthes-disease
#4
V Tiwari, S Gamanagatti, R Mittal, H Nag, S A Khan
BACKGROUND: Most of the information available about Legg-Calve-Perthes disease (LCPD) at present is gained through imaging modalities including plain radiographs and magnetic resonance imaging (MRI). But the accuracy of MRI in this disease and its predictive value to reveal various intra-articular pathologies is not known. We correlated the findings of MRI with those seen on hip arthroscopy in children with active stage of LCPD. METHODS: We conducted a prospective observational study in which MRI findings were correlated with corresponding findings on hip arthroscopy in a cohort of 25 patients of active LCPD below 12 years of age...
October 12, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/29017383/acetabular-labrum-of-hip-joint-in-osteoarthritis-a-qualitative-original-study-and-short-review-of-the-literature
#5
S Kapetanakis, A Dermon, N Gkantsinikoudis, V Kommata, P Soukakos, C R Dermon
PURPOSE: Histological architecture of normal acetabular labrum regarding free nerve endings (FNEs) and mechanoreceptors (MRs) has been satisfactorily described in the literature. However, the presence of FNEs and MRs in acetabular labrum of hip joint has been analyzed only once in patients with osteoarthritis (OA). Aim of this article is to report histological distribution pattern of FNEs and MRs in acetabular labrum of patients with severe OA, at the same time conducting a comparison with normal acetabular labrum described in the literature...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28986631/comparative-reliability-and-diagnostic-performance-of-conventional-3t-magnetic-resonance-imaging-and-1-5t-magnetic-resonance-arthrography-for-the-evaluation-of-internal-derangement-of-the-hip
#6
A Chopra, A J Grainger, B Dube, R Evans, R Hodgson, J Conroy, D Macdonald, Philip Robinson
OBJECTIVE: To compare the diagnostic accuracy of conventional 3T MRI against 1.5T MR arthrography (MRA) in patients with clinical femoroacetabular impingement (FAI). METHODS: Sixty-eight consecutive patients with clinical FAI underwent both 1.5T MRA and 3T MRI. Imaging was prospectively analysed by two musculoskeletal radiologists, blinded to patient outcomes and scored for internal derangement including labral and cartilage abnormality. Interobserver variation was assessed by kappa analysis...
October 6, 2017: European Radiology
https://www.readbyqxmd.com/read/28970986/tenosuspension-of-the-reflected-head-of-the-rectus-femoris-in-hip-arthroscopy-description-of-a-portal-and-a-surgical-maneuver
#7
Bernardo Aguilera-Bohorquez, Eduardo Gil, John Fonseca, Miguel Fernandez, Miguel Sánchez
Arthroscopy is a surgical technique useful in the treatment of intra- and extra-articular hip pathologies, including femoroacetabular impingement (FAI). In the arthroscopic treatment of pincer-type FAI, tendon interposition of the reflected head of the rectus femoris frequently hinders acetabular edge resection in the anterior-superior region (acetabuloplasty) and labrum repositioning, even causing tendon injury during the surgical procedure. Many surgeons do not give importance to the reflected head of the rectus femoris, and during the procedure they try to avoid it, giving 30° of flexion to the hip...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28906050/labral-calcification-in-end-stage-osteoarthritis-of-the-hip-correlates-with-pain-and-clinical-function
#8
Jan Hubert, Thelonius Hawellek, Martin Moe, Sandra Hischke, Matthias Krause, Tim Rolvien, Tobias Schmidt, Wolfgang Rüther, Andreas Niemeier
The acetabular labrum of the hip (ALH) is recognized as a clinically important structure, but knowledge about the pathophysiology of this fibrocartilage is scarce. In this prospective study we determined the prevalence of ALH calcification in patients with end-stage osteoarthritis (OA) and analyzed the relationship of cartilage calcification (CC) with hip pain and clinical function. Cohort of 80 patients (70.2 ± 7.6years) with primary OA scheduled for total hip replacement. Harris Hip Score (HHS) was recorded preoperatively...
September 14, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28885650/the-posterior-acetabular-wall-paw-an-aid-to-acetabular-orientation-at-primary-tha
#9
Huw L M Williams, Gavin E Bartlett, Mark R Norton, Rory G Middleton
INTRODUCTION: Incorrect acetabular component positioning during total hip arthroplasty (THA) may lead to dislocation, impingement, wear and revision. Surgeons commonly use the transverse acetabular ligament (TAL) as a landmark for acetabular component orientation. The posterior acetabular wall (PAW) is a structure easily viewed on plain radiography and its position can help guide acetabular component position. In this study, we examine the efficacy of preoperative radiographs in predicting cup position relative to the PAW...
September 7, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28839500/arthroscopic-acetabular-labral-reconstruction-with-fascia-lata-allograft-clinical-outcomes-at-minimum-one-year-follow-up
#10
Ritesh Rathi, Jacek Mazek
BACKGROUND: The integrity of the acetabular labrum is crucial to normal biomechanics of the hip joint. Disruption of the labral seal could be detrimental to the overall nutrition of the cartilage, leading to its premature degeneration. PURPOSE: The aim of this study is to determine the clinical effectiveness of arthroscopic hip labral reconstruction using fascia lata allograft. The hypothesis is that labral reconstruction would provide good clinical outcomes. METHODS: We retrospectively reviewed all 10 patients who underwent labral reconstruction with fascia lata allograft from January 2013 to October 2015...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28820271/cam-deformities-and-limited-hip-range-of-motion-are-associated-with-early-osteoarthritic-changes-in-adolescent-athletes-a-prospective-matched-cohort-study
#11
Cody C Wyles, Germán A Norambuena, Benjamin M Howe, Dirk R Larson, Bruce A Levy, Brandon J Yuan, Robert T Trousdale, Rafael J Sierra
BACKGROUND: The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE: To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls...
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28782498/results-of-arthroscopic-treatment-of-chondral-delamination-in-femoroacetabular-impingement-with-bone-marrow-stimulation-and-bst-cargel-%C3%A2
#12
Mahmoud Tahoun, Tamer Aly Shehata, Inmaculada Ormazabal, Jesús Mas, Javier Sanz, Marc Tey Pons
OBJECTIVES: The purpose of this study is to show the preliminary results of using chitosan-based scaffold (BST-CarGel(®)) with microfracture for treatment of acetabular chondral delamination associated with femoroacetabular impingement. METHODS: A prospective study was performed on 13 hips. Patients were selected in the age group between 18 and 50 years. Patients with delamination of acetabular cartilage associated with femoroacetabular impingement received arthroscopic debridement and microfracture technique...
2017: SICOT-J
https://www.readbyqxmd.com/read/28706809/posterolateral-acetabuloplasty-and-distal-femoral-neckplasty-labral-repair-and-capsular-plication-for-hip-reverse-contre-coupe-lesion
#13
Sivashankar Chandrasekaran, John P Walsh, David E Hartigan, Parth Lodhia, Carlos Suarez-Ahedo, Benjamin G Domb
This article describes the arthroscopic approach and management of a "reverse contre-coup" injury to the hip labrum. The injury occurs in the setting of posterolateral acetabular rim over-coverage impinging on the distal femoral neck in extension causing the femoral head to lever out anteriorly against the labrum. Ligamentous laxity and associated loss of anterior capsular restraint allow increased femoral head translation, adding further insult to the anterior labrum. The arthroscopic approach entails not only a labral repair with correction of the osseous conflict but also restoration of soft-tissue stability to minimize anterior femoral translation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706807/labral-gracilis-tendon-allograft-reconstruction-and-cartilage-regeneration-scaffold-for-an-uncontained-acetabular-cartilage-defect-of-the-hip
#14
Laurel E MacInnis, Ahmed Al Hussain, Catherine Coady, Ivan H Wong
Hip cartilage injuries are very common, with rates as high as 50% having been reported in some series; abnormal femoral acetabular contact can result in a full-thickness cartilage defect or labral lesion. The prevalence of labral lesions can be as high as 55%. This Technical Note describes an arthroscopic technique to reconstruct an uncontained, full-thickness, focal cartilage defect of the acetabulum, with reconstruction of the missing labrum using a gracilis allograft and use of a biological liquid scaffold for cartilage reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28630735/arthroscopic-acetabuloplasty-without-labral-detachment-for-focal-pincer-type-impingement-a-minimum-2-year-follow-up
#15
Fernando M Comba, Pablo A Slullitel, Pedro Bronenberg, Gerardo Zanotti, Martin A Buttaro, Francisco Piccaluga
In order to access and resect the acetabular rim, arthroscopic acetabuloplasty was described with labral detachment. When the chondrolabral junction remains intact, acetabuloplasty and labral refixation can be performed maintaining an unharmed labrum. We aimed to evaluate the outcome of a group of patients treated with arthroscopic acetabuloplasty without labral detachment. During the study period, we retrospectively analysed 44 patients with pincer-type o combined impingement and an intact chondroblabral junction, with an average follow-up of 32 months (range: 27-38)...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28612705/treatment-of-acetabular-chondral-lesions-with-microfracture-technique
#16
Claudio Mella, Alvaro Nuñez, Ignacio Villalón
INTRODUCTION: Acetabular cartilage lesions are frequently found during hip arthroscopy. In the hip joint they mostly occur secondary to a mechanical overload resulting from a pre-existing deformity as hip dysplasia or femoroacetabular impingement (FAI). Lesions identified during arthroscopy can vary greatly from the earliest stages to the most advanced (full-thickness lesions). These lesions occur in the acetabulum in the early stages of joint damage. Microfractures are indicated in full-thickness chondral defects...
2017: SICOT-J
https://www.readbyqxmd.com/read/28597240/mr-arthrography-of-the-hip-evaluation-of-isotropic-3d-intermediate-weighted-fse-and-hybrid-gre-t1-weighted-sequences
#17
Giovanni Foti, Antonio Campacci, Michele Conati, Mirko Trentadue, Claudio Zorzi, Giovanni Carbognin
PURPOSE: To compare the diagnostic performance of three-dimensional (3D) intermediate-weighted FSE (IW-3D) and 3D hybrid T1-weighted sequences (Hy-3D) and 2D fast-spin-echo sequences (FSE) in diagnosing chondral and labral lesions at 1.5 Tesla hip MR arthrography (MRA). MATERIALS AND METHODS: Institutional review board approval was obtained and informed consent was waived. Ninety-two consecutive patients were evaluated. Chondral and labral lesions were retrospectively and independently evaluated by two radiologists...
June 9, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28590784/acetabular-chondral-lesions-in-hip-arthroscopy-relationships-between-grade-topography-and-demographics
#18
Carlos Suarez-Ahedo, Chengcheng Gui, Stephanie M Rabe, Sivashankar Chandrasekaran, Parth Lodhia, Benjamin G Domb
BACKGROUND: Hip pain remains a challenge given the multiple factors that can cause damage to the articular cartilage, such as traumatic injury, metabolic damage, and morphologic variations such as femoroacetabular impingement (FAI) and that can contribute to progression of osteoarthritis. However, a direct relationship between patient characteristics, the extent of acetabular chondral damage, and topologic characteristics of chondral lesions has not been established. PURPOSE: To compare the grade of acetabular chondral damage, measured in terms of acetabular labrum articular disruption (ALAD) classification, to the size and position of the chondral lesions, matching patients' demographic factors such as age and body mass index (BMI)...
September 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28580252/arthroscopic-hip-labral-augmentation-technique-with-iliotibial-band-graft
#19
Renato Locks, Jorge Chahla, Jonathan M Frank, Jack Anavian, Jonathan A Godin, Marc J Philippon
The importance of the acetabular labrum has been well documented for the function and overall health of the hip joint. Several biomechanical studies have shown the sealing effect of the acetabular labrum. In the past decade, labral repair procedures have gained increased attention, with the literature suggesting that the outcomes after hip arthroscopy are directly related to labral preservation. However, a primary labral repair can be challenging in cases of hypoplastic, ossified, or complex and irreparable labral tears in which there is insufficient tissue to perform a primary repair...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28560140/compression-and-flip-test-for-diagnosis-of-unstable-acetabular-labral-tears-using-a-peripheral-compartment-approach
#20
Adinun Apivatgaroon, Michael Dienst
Assessment of integrity of the acetabular labrum is generally done via the central compartment under distraction of the femoral head from the acetabulum. With the technique of raising the extra-articular and peripheral compartment first, there is a need for testing the stability and function of the labrum from the peripheral side in a nondistracted position of the joint. The authors report on the compression and flip test (i.e., the flip test) for the detection of unstable, intrasubstance tears of the labrum or unstable chondrolabral separations...
December 2016: Arthroscopy Techniques
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