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Acetabular labrum

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https://www.readbyqxmd.com/read/28706809/posterolateral-acetabuloplasty-and-distal-femoral-neckplasty-labral-repair-and-capsular-plication-for-hip-reverse-contre-coupe-lesion
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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)...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28580252/arthroscopic-hip-labral-augmentation-technique-with-iliotibial-band-graft
#7
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
#8
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
https://www.readbyqxmd.com/read/28538419/magnetic-resonance-imaging-evaluation-of-the-labrum-to-predict-acetabular-development-in-developmental-dysplasia-of-the-hip-a-strobe-compliant-study
#9
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
Recently, more attention has been paid to the role of the acetabular labrum. Therefore, we designed a retrospective cohort study of patients with residual hip dysplasia (RHD) who underwent magnetic resonance imaging (MRI). The objective of this study was to investigate an association between the MRI appearance of the labrum before school age and the natural history of RHD.We retrospectively investigated 45 hips of 40 patients who underwent MRI at about 3 and 4 years of age for RHD and were conservatively followed up with until 6 years of age or older...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28529661/slipped-capital-femoral-epiphysis-management-and-the-arthroscope
#10
F Accadbled, O May, C Thévenin-Lemoine, J Sales de Gauzy
BACKGROUND: In situ pinning of slipped capital femoral epiphysis (SCFE) results in various degrees of deformity of the femoral head-neck junction. Repetitive trauma from cam-type femoroacetabular impingement (FAI) can lead to labral tears and injury to the articular cartilage causing loss of function. Arthroscopic osteoplasty is an alternative to open procedure and to Southwick/Imhäuser-type osteotomies in symptomatic selected cases. SURGICAL TECHNIQUE: The amount of bone to be resected has to be carefully planned pre-operatively...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28501788/dynamic-femoral-head-translations-in-dysplastic-hips
#11
Tatsuya Sato, Hiromasa Tanino, Yasuhiro Nishida, Hiroshi Ito, Takeo Matsuno, Scott A Banks
BACKGROUND: Developmental dysplasia of the hip is an important disease leading to osteoarthritis. Recently, researchers have focused on hip instability as a potentially important dynamic factor for osteoarthritis, but the detailed kinematics of dysplastic hips during weight-bearing gait have not been reported. The purpose of this research is to contrast femoral translation in contralateral healthy hips and dysplastic hips during weight-bearing stepping. METHODS: Twelve dysplastic hips and eight healthy hips were investigated...
May 5, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28455484/errata
#12
(no author information available yet)
Bsat S, Frei H, Beaulé PE The acetabular labrum: review of its functionBone Joint J;2016;98-B:730-735.
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28432505/3d-double-echo-steady-state-sequence-assessment-of-hip-joint-cartilage-and-labrum-at-3-tesla-comparative-analysis-of-magnetic-resonance-imaging-and-intraoperative-data
#13
Christoph Schleich, Tobias Hesper, Harish S Hosalkar, Fanni Rettegi, Christoph Zilkens, Rüdiger Krauspe, Gerald Antoch, Bernd Bittersohl
OBJECTIVES: To assess the diagnostic accuracy of a high-resolution, three-dimensional (3D) double-echo steady-state (DESS) sequence with radial imaging at 3 Tesla (T) for evaluating cartilage and labral alterations in the hip. METHODS: Magnetic resonance imaging (MRI) data obtained at 3 T, including radially reformatted DESS images and intraoperative data of 45 patients (mean age 42 ± 13.7 years) who underwent hip arthroscopy, were compared. The acetabular cartilage and labrum of the upper hemisphere of the acetabulum and the central femoral head cartilage were evaluated...
April 21, 2017: European Radiology
https://www.readbyqxmd.com/read/28412060/minimum-2-year-outcomes-of-arthroscopic-management-of-symptomatic-hip-labrum-tears-in-patients-with-global-acetabular-overcoverage
#14
Sivashankar Chandrasekaran, Nader Darwish, Mary R Close, Carlos Suarez-Ahedo, Parth Lodhia, Benjamin G Domb
PURPOSE: To report minimum 2-year patient-reported outcomes (PROs) after hip arthroscopy (HA) for symptomatic labral tears in patients with global acetabular overcoverage. METHODS: This study was a retrospective case series of patients who underwent HA from April 2008 to April 2013. The inclusion criteria were patients with global acetabular overcoverage, defined as a lateral center-edge angle greater than 40°, and with coxa profunda, defined radiologically by the ilioischial line lateral to the acetabular floor...
April 12, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28408155/arthroscopic-capsular-plication-and-labral-seal-restoration-in-borderline-hip-dysplasia-2-year-clinical-outcomes-in-55-cases
#15
Sivashankar Chandrasekaran, Nader Darwish, Timothy J Martin, Carlos Suarez-Ahedo, Parth Lodhia, Benjamin G Domb
PURPOSE: To report clinical outcomes in patients with borderline dysplasia undergoing an arthroscopic technique of labral seal restoration with minimal acetabular rim resection and capsular plication. METHODS: Patients younger than 40 years with a lateral center-edge angle of 18° greater and 25° or less and 2-year follow-up after undergoing an arthroscopic technique of labral seal restoration with minimal rim resection (≤2 mm) and capsular plication (3-5 sutures placed in an oblique orientation to create an imbrication and inferior shift) were included...
April 10, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28401279/current-concepts-in-the-diagnosis-and-management-of-extra-articular-hip-impingement-syndromes
#16
REVIEW
Naoki Nakano, Grace Yip, Vikas Khanduja
PURPOSE: Extra-articular hip impingement syndromes encompass a group of conditions that have previously been an unrecognised source of pain in the hip and on occasion been associated with intra-articular hip impingement as well. As arthroscopic techniques for the hip continue to evolve, the importance of these conditions has been recognised recently and now form an important part of the differential of an individual presenting with hip pain. The aim of this article, therefore, is to provide the reader with an evidence-based and comprehensive update of these syndromes...
April 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28397010/corona-mortis-anastomosis-a-three-dimensional-computerized-tomographic-angiographic-study
#17
Ely L Steinberg, Tomer Ben-Tov, Galit Aviram, Yohai Steinberg, Ehud Rath, Galia Rosen
PURPOSE: We evaluated the corona mortis (CM) anatomy by means of three-dimensional computerized tomography angiographic (CTA). METHODS: Patient demographic, anastomosis incidence, artery diameter, artery distance from the symphysis pubis, and pelvic size (distance between both acetabular upper labrum) parameters were assessed. The 100 patients included 66 males and 34 females (average age of 67.8 years). RESULTS: There were 66 (33%) arterial anastomoses in the 200 evaluated arteries, 30 in the right side and 36 in the left side, 36 unilaterally and 15 bilaterally...
April 10, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28370312/changes-in-chondrolabral-mechanics-coverage-and-congruency-following-peri-acetabular-osteotomy-for-treatment-of-acetabular-retroversion-a-patient-specific-finite-element-study
#18
Spencer J Knight, Christine L Abraham, Christopher L Peters, Jeffrey A Weiss, Andrew E Anderson
Using a validated finite element (FE) protocol, we quantified cartilage and labrum mechanics, congruency, and femoral coverage in five male patients before and after they were treated for acetabular retroversion with peri-acetabular osteotomy (PAO). Three-dimensional models of bone, cartilage, and labrum were generated from computed tomography (CT) arthrography images, acquired before and after PAO. Walking, stair-ascent, stair-descent, and rising from a chair were simulated. Cartilage and labrum contact stress, contact area, and femoral coverage were calculated overall and regionally...
April 1, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28314887/mechanical-strains-passing-through-the-acetabular-labrum-modify-its-shape-during-hip-motion-an-anatomical-study
#19
Matthieu Ollivier, Thomas Le Corroller, Sebastien Parratte, Patrick Chabrand, Jean-Noël Argenson, Olivier Gagey
PURPOSE: The function of the hip labrum during hip motion remains poorly known. Our hypothesis was that acetabular labrum will deform and change its shape during adduction to abduction movement consecutively to variation of strains passing from the acetabulum to the femoral head. An ex vivo anatomical study was conducted to analyse the morphological parameters variation of the mid-portion of the labrum (length, thickness, shape, deformation) as well as femoro-labral strains during hip adduction to abduction movement...
June 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28249968/defining-modes-of-failure-after-joint-preserving-surgery-of-the-hip
#20
P E Beaulé, H Bleeker, A Singh, J Dobransky
AIMS: Joint-preserving surgery of the hip (JPSH) has evolved considerably and now includes a number of procedures, including arthroscopy, surgical dislocation, and redirectional osteotomies of the femur and acetabulum. There are a number of different factors which lead to failure of JPSH. Consequently, it is of interest to assess the various modes of failure in order to continue to identify best practice and the indications for these procedures. PATIENTS AND METHODS: Using a retrospective observational study design, we reviewed 1013 patients who had undergone JPSH by a single surgeon between 2005 and 2015...
March 2017: Bone & Joint Journal
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