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https://www.readbyqxmd.com/read/29780619/hip-arthroscopy-for-femoroacetabular-impingement
#1
Rima Nasser, Benjamin Domb
The purpose of this article is to give a general overview of femoroacetabular impingement (FAI) and how it could be treated arthroscopically, with some details about indications, the procedure itself and some of the complications associated with the surgery.FAI is a dynamic condition of the hip that can be a source of pain and disability and could potentially lead to arthritis.When symptomatic, and if conservative treatment fails, FAI can be addressed surgically.The goal of surgical treatment for FAI is to recreate the spherical contour of the femoral head, improve femoral offset, normalize coverage of the acetabulum, repair/reconstruct chondral damage and repair/reconstruct the labrum to restore normal mechanics and joint sealing...
April 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29768929/current-concepts-in-revision-hip-arthroscopy
#2
Renato Locks, Ioanna Bolia, Hajime Utsunomiya, Karen Briggs, Marc J Philippon
Hip arthroscopy is an evolving procedure and its indications have expanded. The number of patients undergoing this procedure has increased significantly as well as the number of surgeons being trained. This has resulted in a notable increase in post-operative complication rates creating the need to develop advanced hip arthroscopic techniques. Revision hip arthroscopy is often complex and many factors should be considered to achieve a satisfactory clinical outcome. Careful pre-operative planning and agreement of expectations between the physician and patient regarding the procedure are important...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29761113/differences-in-hip-joint-biomechanics-and-muscle-activation-in-individuals-with-femoroacetabular-impingement-compared-with-healthy-asymptomatic-individuals-is-level-ground-gait-analysis-enough
#3
Derek J Rutherford, Janice Moreside, Ivan Wong
Background: Femoroacetabular impingement (FAI) is a recognized cause of hip and groin pain and a significant factor in hip joint function during sport. Objective tests for understanding hip function are lacking in this population. Purpose: To determine whether biomechanical and electromyographic features of hip function during level-ground walking differ between a group diagnosed with FAI and those with no symptoms of FAI. Study Design: Controlled laboratory study...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29747942/avulsion-fracture-of-the-lesser-trochanter-in-adolescents
#4
Thomas Ruffing, Tilmann Rückauer, Frederic Bludau, Alexander Hofmann, Markus Muhm, Arnold J Suda
INTRODUCTION: Avulsion fractures of the lesser trochanter in adolescents are rare. They are a result of a sudden and forceful contraction of the iliopsoas muscle. Functional results in the medium term after non-operative treatment are unknown. Therefore we aimed to report these in the present study. MATERIALS AND METHODS: A retrospective two-center study was performed in a case series treated between 2011 and 2017. All adolescents with an acute avulsion fracture of the lesser trochanter were included...
May 4, 2018: Injury
https://www.readbyqxmd.com/read/29739301/sub-elite-football-players-with-hip-related-groin-pain-and-positive-flexion-adduction-internal-rotation-test-exhibit-distinct-biomechanical-differences-compared-with-the-asymptomatic-side
#5
Matthew G King, Adam I Semciw, Harvi F Hart, Anthony G Schache, Kane J Middleton, Josh J Heerey, Rintje Agricola, Kay M Crossley
Study Design Observational cross-sectional study. Background Hip-related groin pain is common in sub-elite football players and may be associated with altered hip biomechanics. Objectives To compare the hip biomechanics, bony hip morphology associated with femoroacetabular impingement (FAI) syndrome, and hip strength and range of motion between the symptomatic and asymptomatic limb of sub-elite football players with unilateral hip-related groin pain and a positive flexion adduction internal rotation test. Methods Fifteen sub-elite football (soccer) players with unilateral hip-related groin pain and a positive flexion adduction internal rotation test were recruited...
May 8, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29734855/have-large-femoral-heads-reduced-prosthetic-impingement-in-total-hip-arthroplasty
#6
Bradford S Waddell, Chelsea Koch, Myra Trivellas, Jayme C Burket, Timothy Wright, Douglas Padgett
BACKGROUND: Prosthetic impingement is implicated in dislocation after total hip arthroplasty (THA). While use of larger diameter femoral heads reduces the incidence of dislocation, the effect of larger heads upon impingement rate is unknown. We assessed retrieved THA components for evidence of impingement to determine if large femoral heads reduced the rate of impingement in primary THA and what factors might influence impingement. METHODS: Liners from 97 primary THAs retrieved at revision arthroplasty were scored for evidence of impingement, defined as wear or deformation on the rim of the component...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29734501/using-multidimensional-topological-data-analysis-to-identify-traits-of-hip-osteoarthritis
#7
Jasmine Rossi-deVries, Valentina Pedoia, Michael A Samaan, Adam R Ferguson, Richard B Souza, Sharmila Majumdar
BACKGROUND: Osteoarthritis (OA) is a multifaceted disease with many variables affecting diagnosis and progression. Topological data analysis (TDA) is a state-of-the-art big data analytics tool that can combine all variables into multidimensional space. TDA is used to simultaneously analyze imaging and gait analysis techniques. PURPOSE: To identify biochemical and biomechanical biomarkers able to classify different disease progression phenotypes in subjects with and without radiographic signs of hip OA...
May 7, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29733696/mri-assessment-of-supra-and-infratrochanteric-femoral-torsion-association-with-femoroacetabular-impingement-and-hip-dysplasia
#8
Benjamin Fritz, Susanne Bensler, Michael Leunig, Patrick O Zingg, Christian W A Pfirrmann, Reto Sutter
OBJECTIVE: The objective of our study was to evaluate a novel measurement technique for assessing the supra- and infratrochanteric components of femoral torsion, establish reference values in healthy volunteers, and compare supra- and infratrochanteric torsion angles in patients with hip dysplasia and patients with femoroacetabular impingement (FAI) with those in healthy volunteers. MATERIALS AND METHODS: Femoral torsion was assessed in 380 patients and 61 healthy volunteers on MRI...
May 7, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29730703/narrowing-of-ischiofemoral-and-quadratus-femoris-spaces-in-pediatric-ischiofemoral-impingement
#9
Shlomit Goldberg-Stein, Avi Friedman, Qi Gao, Jaeun Choi, Jacob Schulz, Eric Fornari, Benjamin Taragin
OBJECTIVE: To correlate MRI findings of quadratus femoris muscle edema (QFME) with narrowing of the ischiofemoral space (IFS) and quadratus femoris space (QFS) in children, and to identify threshold values reflecting an anatomic architecture that may predispose to ischiofemoral impingement. MATERIALS AND METHODS: A case-control retrospective MRI review of 49 hips in 27 children (mean, 13 years) with QFME was compared to 49 hips in 27 gender and age-matched controls...
May 5, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29730220/assessing-the-outcome-of-hip-arthroscopy-for-labral-tears-in-femoroacetabular-impingement-using-the-minimum-dataset-of-the-british-non-arthroplasty-hip-register-a-single-surgeon-experience
#10
Julian F Maempel, Jason Z Ting, Paul Gaston
PURPOSE: The aim of this study was to assess changes in British Non-arthroplasty Hip Register (NAHR) minimum dataset (MDS) patient-reported outcome measures (PROMs) after hip arthroscopy for femoroacetabular impingement (FAI) and define the relation between these and patient satisfaction. Secondary aims included exploring the impact of patient characteristics (age, sex, and social deprivation status) on MDS PROMs and satisfaction and determining the Net Promoter Score for hip arthroscopy for FAI...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29730219/prevalence-of-high-grade-cartilage-defects-in-patients-with-borderline-dysplasia-with-femoroacetabular-impingement-a-comparative-cohort-study
#11
Ioanna K Bolia, Karen K Briggs, Renato Locks, Jorge Chahla, Hajime Utsunomiya, Marc J Philippon
PURPOSE: To compare the prevalence, size, and location of Outerbridge grade III and IV cartilage defects on the femoral head and acetabulum between patients with borderline acetabular dysplasia and patients with non-borderline dysplasia who underwent hip arthroscopy for femoroacetabular impingement (FAI). METHODS: Patients aged 18 years or older who underwent primary hip arthroscopy for correction of FAI and labral repair from November 2005 to April 2016 were included...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29730209/posterior-bony-impingement-potential-mechanism-of-ligamentum-teres-tears
#12
Kostas Economopoulos, John O'Donnell
PURPOSE: To describe a potential causal mechanism of ligamentum teres (LT) tears, a specific treatment for posterior impingement of the LT, and to report the minimum 2-year outcome of this treatment. METHODS: We retrospectively reviewed data collected from 1,251 hip arthroscopies performed by the senior surgeon over a 26-month period. During this time, 424 LT tears were identified including 9 patients with isolated partial LT tears caused by impingement of the LT against a prominent acetabular fossa posterior wall and no other intra-articular pathology...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29729757/editorial-commentary-don-t-forgot-the-hip-in-swimmers-and-multisport-athletes
#13
EDITORIAL
Merrick J Wetzler
Swimming results in significant and repetitive stress on the hip as well as other joints, and hip pain in swimmers should not be ignored. Stretching and strengthening are the mainstays of injury prevention, and recent literature supports that when indicated, femoroacetabular impingement surgical treatment in swimmers results in excellent outcomes including return to sport and frequently at a level of performance superior to pre-injury status.
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29729756/editorial-commentary-hip-trochanteric-bursitis-and-femoroacetabular-impingement-the-arthroscope-is-only-the-tool
#14
EDITORIAL
Nicola Maffulli
Lateral hip pain is debilitating, with pain located at or around the greater trochanter, and trochanteric bursitis is one of the conditions that are part of the greater trochanter pain syndrome. At times, trochanteric bursitis coexists with femoroacetabular impingement. In such cases, the arthroscope is used as a soft tissue endoscope facilitating debridement of the bursa and functional lengthening of the fascia lata. Coupled with appropriate femoroacetabular impingement treatment and rehabilitation, the procedure allows predictable functional results...
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29727415/radiographic-and-clinical-outcomes-of-adolescents-with-acetabular-retroversion-treated-arthroscopically
#15
Jody Litrenta, Brian Mu, Austin W Chen, Victor Ortiz-Declet, Itay Perets, Benjamin G Domb
BACKGROUND: Retroversion of the acetabulum is a cause of pincer impingement. Symptomatic retroversion has traditionally been treated with anteverting periacetabular osteotomy (PAO). However, arthroscopic rim trimming can also treat pincer impingement associated with acetabular retroversion. The purpose of this study was to report the outcomes and radiographic findings in a series of adolescent patients with symptomatic acetabular retroversion treated arthroscopically. METHODS: Data were prospectively gathered at a single institution using an established hip preservation registry...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29707055/diagnosing-slipped-capital-femoral-epiphysis-amongst-various-medical-specialists
#16
A Lam, S A Boenerjous, Y Lo, J M Abzug, J Kurian, M C Liszewski, D E Sanderson, J M Scholnick, B H Taragin, J A Gomez, N Y Otsuka, R Hanstein
Purpose: To evaluate sensitivity, specificity and accuracy of a radiographic slipped capital femoral epiphysis (SCFE)-diagnosis among medical specialists. Methods: Three paediatricians, three paediatric radiologists and three paediatric orthopaedic surgeons completed two rounds of a survey of anteroposterior and frog-leg lateral radiographs of patients with a diagnosis of SCFE (25), femoroacetabular impingement (four), Legg-Calvé-Perthes (11) or no hip pathology (ten)...
April 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29707054/age-and-gender-specific-variations-of-the-epiphyseal-tilt-and-epiphyseal-angle-in-adolescents-without-hip-pathology
#17
E N Novais, K-P Kienle, P E Miller, G Bowen, Y-J Kim, S D Bixby
Purpose: To determine age-and gender-dependent variation of epiphyseal tilt and epiphyseal angle using CT in adolescents without hip pathology. Methods: Pelvic CT scans were obtained in 132 adolescents for evaluation of abdominal pain. Radially oriented planes around the femoral neck were reformatted and the epiphyseal tilt and angle were measured in the anterior, anterosuperior and superior planes. Variations in the tilt angle and epiphyseal angle were assessed by age group from 12 to 18 years and gender by using a linear mixed model analysis...
April 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29701093/the-natural-alpha-angle-of-the-femoral-head-neck-junction
#18
H Gollwitzer, C Suren, C Strüwind, H Gottschling, M Schröder, L Gerdesmeyer, P M Prodinger, R Burgkart
Aims Asphericity of the femoral head-neck junction is common in cam-type femoroacetabular impingement (FAI) and usually quantified using the alpha angle on radiographs or MRI. The aim of this study was to determine the natural alpha angle in a large cohort of patients by continuous circumferential analysis with CT. Methods CT scans of 1312 femurs of 656 patients were analyzed in this cross-sectional study. There were 362 men and 294 women. Their mean age was 61.2 years (18 to 93). All scans had been performed for reasons other than hip disease...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29696319/danish-hip-arthroscopy-registry-predictors-of-outcome-in-patients-with-femoroacetabular-impingement-fai
#19
Bjarne Mygind-Klavsen, Bent Lund, Torsten Grønbech Nielsen, Niels Maagaard, Otto Kraemer, Per Hölmich, Søren Winge, Martin Lind
PURPOSE: Predictors of outcome after femoroacetabular impingement (FAI) surgery are not well-documented. This study presents data from the Danish Hip Arthroscopy Registry (DHAR) for such analyses. The purpose of this study was to identify predictors of poor outcome after FAI surgery in a Danish FAI population. The primary hypothesis was that older patients, patients with severe cartilage damage and female patients might have inferior outcome results compared with younger patients, patients with minor cartilage damage and male patients...
April 25, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29673359/developing-a-risk-prediction-model-for-the-functional-outcome-after-hip-arthroscopy
#20
Patrick Stephan, Maarten A Röling, Nina M C Mathijssen, Gerjon Hannink, Rolf M Bloem
BACKGROUND: Hip arthroscopic treatment is not equally beneficial for every patient undergoing this procedure. Therefore, the purpose of this study was to develop a clinical prediction model for functional outcome after surgery based on preoperative factors. METHODS: Prospective data was collected on a cohort of 205 patients having undergone hip arthroscopy between 2011 and 2015. Demographic and clinical variables and patient reported outcome (PRO) scores were collected, and considered as potential predictors...
April 19, 2018: BMC Musculoskeletal Disorders
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