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Femoro acetabular impingment

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https://www.readbyqxmd.com/read/28948034/predictors-of-outcome-at-2-year-follow-up-after-arthroscopic-treatment-of-femoro-acetabular-impingement
#1
Axel Öhlin, Mikael Sansone, Olufemi R Ayeni, Leif Swärd, Mattias Ahldén, Adad Baranto, Jón Karlsson
Femoro-acetabular impingement (FAI) is a common cause of hip pain and dysfunction in the young and active population. Despite reports of good short-term outcomes following treatment for FAI, less is known about the possible preoperative predictors of treatment outcome. The purpose of this study was to identify predictors of treatment outcome, using a patient-reported outcome measurement score (PROM) validated for use in a young and active population undergoing arthroscopic surgery for FAI. Patients were prospectively enrolled and analysed using the PROM International Hip Outcome Tool (iHOT-12) preoperatively and at a 2-year follow-up...
August 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28866455/gait-deviations-in-transverse-plane-after-scfe-in-dependence-on-the-femoral-offset
#2
S Hummel, D Rosenthal, C Zilkens, H Hefter, R Krauspe, B Westhoff
Residual deformity of the femoral head after slipped capital femoral epiphysis (SCFE) may be accompanied by a loss of femoral offset and lead to femoro-acetabular impingement (FAI), especially during hip flexion. It is hypothesized that during phases of the gait cycle, when the hip is flexed, the offset-loss is compensated by an increased external rotation. The gait pattern of 36 patients suffering from SCFE, who were treated by pinning-in-situ, were compared to a control group of 40 healthy adults by an instrumented 3D-gait analysis...
October 2017: Gait & Posture
https://www.readbyqxmd.com/read/28831651/treatment-of-stable-slipped-capital-femoral-epiphysis-systematic-review-and-exploratory-patient-level-analysis
#3
H Naseem, S Chatterji, K Tsang, M Hakimi, A Chytas, S Alshryda
BACKGROUND: Several aspects of slipped capital femoral epiphysis (SCFE) treatment remain controversial. Loder's work has been instrumental in changing our understanding and approach to the management of the condition when he introduced the concept of "slip instability" and showed that avascular necrosis (AVN) developed in 47% of unstable slips but none of the stable slips. As the two types of SCFE behave differently in terms of presentation, progress and complications, we approached them as two different conditions to highlight these differences...
August 22, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28762158/the-validity-and-accuracy-of-mri-arthrogram-in-the-assessment-of-painful-articular-disorders-of-the-hip
#4
Aysha Rajeev, Wim Tuinebreijer, Abdalla Mohamed, Mike Newby
The assessment of a patient with chronic hip pain can be challenging. The differential diagnosis of intra-articular pathology causing hip pain can be diverse. These includes conditions such as osteoarthritis, fracture, and avascular necrosis, synovitis, loose bodies, labral tears, articular pathology and, femoro-acetabular impingement. Magnetic resonance imaging (MRI) arthrography of the hip has been widely used now for diagnosis of articular pathology of the hip. A retrospective analysis of 113 patients who had MRI arthrogram and who underwent hip arthroscopy was included in the study...
July 31, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28733848/femoro-acetabular-impingement-anatomic-study-of-reliability-and-accuracy-of-alpha-angle-and-offset-ratio-on-fifty-consecutive-peri-operatively-resected-femoral-heads
#5
Štěpán Magersky, Adam Král, Radovan Kubeš
PURPOSE: The purpose of this study was to determine whether X-ray attributes of the femoro-acetabular impingement (FAI) - alpha angle (AA) and offset ratio (OR) reflect real measurements on resected femoral heads. METHODS: FAI AA and OR were assessed on 50 consecutively-resected femoral heads. The parameters were measured on heads cut through the maximum range of the deformity and compared to the same parameters on standardized X-ray projections (anterior-posterior [AP] and axial views)...
July 21, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28630726/the-hapi-hip-arthroscopy-pre-habilitation-intervention-study-does-pre-habilitation-affect-outcomes-in-patients-undergoing-hip-arthroscopy-for-femoro-acetabular-impingement
#6
Louise F Grant, Derek J Cooper, Jon L Conroy
The purpose of this randomized prospective comparative controlled pilot study was to determine whether specific patient exercises done pre-hip arthroscopy surgery for femoro-acetabular impingement affected post-operative recovery. Between October 2013 and June 2014, 6 males and twelve females over the age of eighteen, who were listed for hip arthroscopy for femoro-acetabular impingement, were randomized into two groups. A hip-specific, 8-week home exercise programme was given to the experimental group before their surgery...
January 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28589877/arthroscopic-treatment-of-chondral-defects-in-the-hip-amic-maci-microfragmented-adipose-tissue-transplantation-matt-and-other-options
#7
Eugenio Jannelli, Andrea Fontana
Chondral lesions are currently considered in the hip as a consequence of trauma, osteonecrosis, dysplasia, labral tears, loose bodies, dislocation, previous slipped capital femoral epiphysis and Femoro-Acetabular-Impingement (FAI). The management of chondral lesions is debated and several techniques are described. The physical examination must be carefully performed, followed by radiographs and magnetic resonance imaging (MRI). Differential diagnosis with other pathologies must be considered. Debridement is indicated in patients younger than 50 years with a chondropathy of 1st or 2nd degree...
2017: SICOT-J
https://www.readbyqxmd.com/read/28401279/current-concepts-in-the-diagnosis-and-management-of-extra-articular-hip-impingement-syndromes
#8
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...
July 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28373141/spine-hip-relations-add-understandings-to-the-pathophysiology-of-femoro-acetabular-impingement-a-systematic-review
#9
REVIEW
C Rivière, A Hardijzer, J-Y Lazennec, P Beaulé, S Muirhead-Allwood, J Cobb
Relationship between hip pathoanatomy and symptomatic FAI has been reported to be weak. This is explained by the reciprocal interaction between proximal femur and acetabular anatomies, but potentially also by the individual spine-hip relations (SHR). The key-answer for a complete understanding of the pathophysiology of FAI might lie in the comprehension of the SHRs, which have not yet been fully addressed. Therefore we conducted a systematic review to answer the subsequent questions: Is there any evidence of a relationship between FAI and (1) sagittal pelvic kinematics, (2) pelvic incidence, and (3) types of SHRs? A systematic review of the existing literature utilizing PubMed and Google search engines was performed in December 2016...
June 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28259463/properties-of-the-cartilage-layer-from-the-cam-type-hip-impingement-deformity
#10
Andrew D Speirs, Paul E Beaulé, Adrian Huang, Hanspeter Frei
Femoro-acetabular impingement (FAI) is associated with significant acetabular cartilage damage and degenerative arthritis. To understand the contact stress and thus biomechanical mechanisms that may contribute to degeneration, the material behaviour of the cartilage layer is required. The objective of this study is to determine the fibril-reinforced poroelastic properties and composition of cartilage from cam deformities and to compare to those of normal cartilage. Patients undergoing surgical treatment of a symptomatic cam FAI deformity were recruited from the clinical practice of one of the authors...
April 11, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28066744/arthroscopic-release-of-iliopsoas-tendon-in-patients-with-femoro-acetabular-impingement-clinical-results-at-mid-term-follow-up
#11
Rodrigo Mardones, Alessio Giai Via, Alexander Tomic, Claudio Rodriguez, Matias Salineros, Marcelo Somarriva
BACKGROUND: The iliopsoas tendon is a recognized cause of extra-articular hip pain, and tenotomy has been described as an effective treatment in patients who do not respond to conservative treatments. Endoscopic release showed higher success rate, lower recurrence, fewer complications compared to open surgery. The aim of the study is to report the results at a mean of 4 years follow-up of a series of patients affected by femoroacetabular impingement (FAI) and an associated iliopsoas tendinopathy, treated with hip arthroscopy and transcapsular tendon release...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27796801/the-femoro-epiphyseal-acetabular-roof-fear-index-a-new-measurement-associated-with-instability-in-borderline-hip-dysplasia
#12
COMPARATIVE STUDY
Michael Wyatt, Jan Weidner, Dominik Pfluger, Martin Beck
BACKGROUND: The definition of osseous instability in radiographic borderline dysplastic hips is difficult. A reliable radiographic tool that aids decision-making-specifically, a tool that might be associated with instability-therefore would be very helpful for this group of patients. QUESTIONS/PURPOSES: (1) To compare a new radiographic measurement, which we call the Femoro-Epiphyseal Acetabular Roof (FEAR) index, with the lateral center-edge angle (LCEA) and acetabular index (AI), with respect to intra- and interobserver reliability; (2) to correlate AI, neck-shaft angle, LCEA, iliocapsularis volume, femoral antetorsion, and FEAR index with the surgical treatment received in stable and unstable borderline dysplastic hips; and (3) to assess whether the FEAR index is associated clinical instability in borderline dysplastic hips...
March 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27785537/previous-arthroscopic-repair-of-femoro-acetabular-impingement-does-not-affect-outcomes-of-total-hip-arthroplasty
#13
Ryan Charles, Scott LaTulip, James A Goulet, Aidin Eslam Pour
BACKGROUND: Total hip arthroplasty (THA) is commonly elected following failed arthroscopic treatment of femoro-acetabular impingement (FAI). The purpose of this study was to evaluate post-operative outcomes of primary THA in patients who had previously undergone arthroscopic treatment for FAI. METHODS: A retrospective, matched case-control study was conducted. The case group included 39 patients who underwent THA after previous hip arthroscopy for FAI. Thirty-nine patients who had a primary THA without previous hip arthroscopy served as a control group and were matched for age, sex and body mass index...
June 2017: International Orthopaedics
https://www.readbyqxmd.com/read/27744000/microinstability-of-the-hip-a-review
#14
REVIEW
A Dangin, N Tardy, M Wettstein, O May, N Bonin
With the development of conservative hip surgery techniques, new entities such as microinstability have been identified. Microinstability is a painful supra-physiological mobility of the hip. It results from the association of architectural and functional abnormalities impairing joint stability. These risk factors concern hip joint bone architecture or peri-articular soft tissues. Bone abnormalities are identified on hip assessment parameters. Soft tissues also play a key role in the static and dynamic stability of the hip: the joint capsule, labrum, ligamentum teres and adjacent myotendinous structures affect joint coaptation; any abnormality or iatrogenic lesion concerning these structures may constitute a risk factor for microinstability...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27621214/a-narrative-overview-of-the-current-status-of-mri-of-the-hip-and-its-relevance-for-osteoarthritis-research-what-we-know-what-has-changed-and-where-are-we-going
#15
REVIEW
M D Crema, G J Watts, A Guermazi, Y-J Kim, R Kijowski, F W Roemer
OBJECTIVE: To review and discuss the role of magnetic resonance imaging (MRI) in the context of hip osteoarthritis (OA) research. DESIGN: The content of this narrative review, based on an extensive PubMed database research including English literature only, describes the advances in MRI of the hip joint and its potential usefulness in hip OA research, reviews the relevance of different MRI features in regard to symptomatic and structural progression in hip OA, and gives an outlook regarding future use of MRI in hip OA research endeavors...
January 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27583164/unrecognized-osteoid-osteoma-of-the-proximal-femur-with-associated-cam-impingement
#16
REVIEW
Justin A Ly, Erin M Coleman, Gary S Cohen, Eric J Kropf
Femoro-acetabular impingement is a common cause of hip pain in young athletes. Evaluation typically includes radiographs and magnetic resonance imaging. It is important to appreciate uncommon diagnoses and the role of complimentary imaging. This clinical vignette emphasizes the need complete imaging with CT in select case of atypical hip pain. We present a 19-year old soccer player who underwent seemingly successful arthroscopic FAI surgery but returned with pain. Computed tomography (CT) revealed osteoid osteoma of the lesser trochanter...
August 2016: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/27299119/young-adult-hip-reactivation-of-dormant-previously-undiagnosed-mycobacterium-tuberculosis-infection-following-intra-articular-steroid-injection
#17
Tadros B J, Stafford G H
INTRODUCTION: Tuberculosis (TB) still remains a common problem in the UK and, with the increasing number of patients being offered arthroplasties; periprosthetic involvement is not uncommon anymore. However, the diagnosis of TB infected arthroplasties still remains difficult and misdiagnosis is common, therefore delaying treatment. CASE REPORT: We describe a 36-years old Caucasian female with no known history of TB who presented with hip pain thought to be due to femoro-acetabular impingement (FAI)...
January 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/27026820/outcome-of-hip-arthroscopy-in-patients-with-mild-to-moderate-osteoarthritis-a-prospective-study
#18
Mikael Sansone, Mattias Ahldén, Pall Jonasson, Christoffer Thomeé, Leif Swärd, David Collin, Adad Baranto, Jón Karlsson, Roland Thomeé
Osteoarthritis (OA) of the hip is a common cause of hip pain. The arthroscopic management of patients with femoro-acetabular impingement (FAI) has been reported to yield good outcomes. The purpose of this study was to report on outcome following the arthroscopic treatment of patients with FAI in the presence of mild to moderate OA. Seventy-five patients undergoing arthroscopic surgery for FAI, all with preoperative radiological signs of mild to moderate OA were prospectively included in this study. A 2-year follow-up, using web-based patient-reported outcome measures, including the International Hip Outcome Tool (iHOT-12), Copenhagen Hip and Groin Outcome (HAGOS), EQ-5D, Hip Sports Activity Scale (HSAS) for physical activity level and a visual analogue scale (VAS) for overall hip function, was performed, complemented by a radiographic evaluation...
April 2016: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/26748719/patient-specific-assessment-of-dysmorphism-of-the-femoral-head-neck-junction-a-statistical-shape-model-approach
#19
Vikas Khanduja, Nick Baelde, Andreas Dobbelaere, Jan Van Houcke, Hao Li, Christophe Pattyn, Emmanuel A Audenaert
BACKGROUND: Objective quantification of anatomical variations about the femur head-neck junction in pre-operative planning for surgical intervention in femoro-acetabular impingement is problematic, as no clear definition of average normal anatomy for a specific subject exists. METHODS: We have defined the normal-equivalent of a subject's anatomy by using a statistical shape model and geometric shape optimization for finding correspondences, while excluding the femoral head-neck junction during the fitting procedure...
December 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/26578079/morphologic-and-angular-planning-for-cam-resection-in-femoro-acetabular-impingement-value-of-the-omega-angle
#20
Paulo Renato Amaral Rego, Vasco Mascarenhas, Filipe S Oliveira, Pedro C Pinto, Augusto Gaspar, Joana Ovídio, Diego G Collado
PURPOSE: The alpha angle is used to quantify in a single plane the head-neck junction deformity of cam femoro-acetabular impingement (FAI). When the deformity overlaps the superior retinaculum, femoral head osteoplasty in this area can jeopardise intra-articular vascular structures. This study proposes a new angular measure of the linear radial extension of cam deformity as a planning tool for bone resection and compares the accuracy of femoral head osteoplasty using open and arthroscopic surgery...
October 2016: International Orthopaedics
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