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Femoral Acetabular Impingement,

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https://www.readbyqxmd.com/read/29768929/current-concepts-in-revision-hip-arthroscopy
#1
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/29734855/have-large-femoral-heads-reduced-prosthetic-impingement-in-total-hip-arthroplasty
#2
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/29730219/prevalence-of-high-grade-cartilage-defects-in-patients-with-borderline-dysplasia-with-femoroacetabular-impingement-a-comparative-cohort-study
#3
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/29696319/danish-hip-arthroscopy-registry-predictors-of-outcome-in-patients-with-femoroacetabular-impingement-fai
#4
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/29629574/acetabular-delamination-epidemiology-histological-features-and-treatment
#5
Eugenio Jannelli, Antonina Parafioriti, Alberto Acerbi, Alessandro Ivone, Alberto Fioruzzi, Andrea Fontana
Objective The International Cartilage Repair Society classification is the one mainly used to define chondral defects. However, this classification does not include delamination. The objective of the study is to describe the characteristics of this lesion to better explain its classification in the context of chondral lesions of the hip. Design We performed a retrospective analysis of 613 patients who underwent hip arthroscopy. In this group, the incidence, localization, histological characteristics, and association to femoroacetabular impingement as well as to other intraarticular lesions of acetabular delamination (AD) were analyzed...
April 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29578869/orthopedic-injuries-in-professional-surfers-a-retrospective-study-at-a-single-orthopedic-center
#6
Eric Hohn, Sean Robinson, Jarrad Merriman, Robin Parrish, Warren Kramer
BACKGROUND: Literature regarding surfing injuries is scarce and most studies report a high number of minor injuries. Recent literature suggests that musculoskeletal injuries are more common than previously reported. In the mid 2000s, competitive surfing has seen an increase in aerial maneuvers, as they have become more highly rewarded by the judging panel, which may be contributing to a change in injury patterns. Our goal was to evaluate orthopedic injuries in professional surfers. HYPOTHESIS: Orthopedic injuries in professional surfers are diverse and have evolved with skill and technology...
March 23, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29572638/clinical-outcomes-following-arthroscopic-treatment-of-femoro-acetabular-impingement-using-a-minimal-traction-approach-and-an-initial-capsulotomy-minimum-two-year-follow-up
#7
Elhadi Sariali, Filippo Vandenbulcke
PURPOSE: Although the arthroscopic management of femoroacetabular impingement (FAI) is increasing, severe complications have been reported due to traction. We developed an arthroscopic technique based on an initial capsulotomy and a minimal traction approach. The main purpose of this study was to analyze the clinical outcomes of FAI treatment using this technique after at least two years of follow-up. METHODS: Forty-seven consecutive patients underwent surgery for FAI...
March 23, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29564298/pauwels-osteotomy-for-femoral-neck-nonunion-in-two-adult-siblings-with-osteogenesis-imperfecta
#8
Peter Kloen, Johanna C E Donders, E Marelise W Eekhoff, Reggie C Hamdy
This is a retrospective review of two adult siblings with osteogenesis imperfecta (OI) type III (according to Sillence classification), who sustained a spontaneous femoral neck fracture and subsequent nonunion. The diagnosis of OI in these two patients was made based on clinical, radiological and genetic findings. The fracture was most likely caused by femoroacetabular impingement secondary to OI induced acetabular protrusio. A valgus osteotomy according to Pauwels'principles and fixation of the osteotomy and nonunion with a locking plate resulted in healing despite compromised bone quality and limited bone stock...
March 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29549667/hip-osteoarthritis-patients-demonstrated-marked-dynamic-changes-and-variability-in-pelvic-tilt-obliquity-and-rotation-a-comparative-gait-analysis-study
#9
Assem A Sultan, Anton Khlopas, Inyang Udo-Inyang, Morad Chughtai, Nipun Sodhi, Suela Lamaj, Roland Starr, Nicolas S Piuzzi, Anil Bhave, Michael A Mont
INTRODUCTION: Changes in pelvic position has been shown to affect acetabular coverage of the femoral head in total hip arthroplasty (THA) and may contribute to complications such as impingement, dislocation, or early wear. Understanding the kinematic changes of these positions during functional activities may help surgeons reach a consensus regarding stable hip mechanics and ideal implant positioning in THA. Therefore, in this study, we aimed to evaluate the following in patients who had unilateral hip OA: 1) dynamic changes; and 2) variability; in the following pelvic position parameters: A) tilt; B) obliquity; and C) rotation standing position to walking...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29529664/the-safe-zone-range-for-cup-anteversion-is-narrower-than-for-inclination-in-tha
#10
William S Murphy, Ho Hyun Yun, Brett Hayden, Jens H Kowal, Stephen B Murphy
BACKGROUND: Cup malposition is a common cause of impingement, limitation of ROM, acceleration of bearing wear, liner fracture, and instability in THA. Previous studies of the safe zone based on plain radiographs have limitations inherent to measuring angles from two-dimensional projections. The current study uses CT to measure component position in stable and unstable hips to assess the presence of a safe zone for cup position in THA. QUESTIONS/PURPOSES: (1) Does acetabular component orientation, when measured on CT, differ in stable components and those revised for recurrent instability? (2) Do CT data support historic safe zone definitions for component orientation in THA? METHODS: We identified 34 hips that had undergone revision of the acetabulum for recurrent instability that also had a CT scan of the pelvis between August 2003 and February 2017...
February 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29526410/impingement-type-bony-morphology-was-related-to-cartilage-defects-but-not-pain-in-professional-ballet-dancers-hips
#11
Susan Mayes, Peter Smith, Jill Cook
OBJECTIVES: Professional ballet dancers may have hip bony morphology that predisposes them to cartilage or labral injury. However, the relationship between bony morphology and pathology has not been investigated in ballet. This study investigates associations between bony morphology, chondrolabral defects and hip pain in ballet dancers. DESIGN: Cross-sectional study. METHODS: 33 male and female professional ballet dancers, (mean age 27 years (range 19-39)), completed questionnaires with hip pain measured on a visual analogue scale; and underwent 3...
March 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29517923/anatomic-predictors-of-sagittal-hip-and-pelvic-motions-in-patients-with-a-cam-deformity
#12
K C Geoffrey Ng, Mario Lamontagne, Jonathan R T Jeffers, George Grammatopoulos, Paul E Beaulé
BACKGROUND: As there is a high prevalence of patients with cam deformities and no ongoing hip dysfunction, understanding the biomechanical factors predicting the onset of symptoms and degenerative changes is critical. One such variable is how the spinopelvic parameters may influence hip and pelvic sagittal mobility. Hypothesis/Purpose: Pelvic incidence may predict sagittal hip and pelvic motions during walking and squatting. The purpose was to determine which anatomic characteristics were associated with symptoms and how they influenced functional hip and pelvic ranges of motion (ROMs) during walking and squatting...
May 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29441427/isolated-focal-cartilage-and-labral-defects-in-patients-with-femoroacetabular-impingement-syndrome-may-represent-new-unique-injury-patterns
#13
Ashley L Kapron, Stephen K Aoki, Jeffrey A Weiss, Aaron J Krych, Travis G Maak
PURPOSE: Develop a framework to quantify the size, location and severity of femoral and acetabular-sided cartilage and labral damage observed in patients undergoing hip arthroscopy, and generate a database of individual defect parameters to facilitate future research and treatment efforts. METHODS: The size, location, and severity of cartilage and labral damage were prospectively collected using a custom, standardized post-operative template for 100 consecutive patients with femoroacetabular impingement syndrome...
February 13, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29440159/multicentre-study-on-capsular-closure-versus-non-capsular-closure-during-hip-arthroscopy-in-danish-patients-with-femoroacetabular-impingement-fai-protocol-for-a-randomised-controlled-trial
#14
Christian Dippmann, Otto Kraemer, Bent Lund, Michael Krogsgaard, Per Hölmich, Martin Lind, Karen Briggs, Marc Philippon, Bjarne Mygind-Klavsen
INTRODUCTION: Hip arthroscopy has become a standard procedure in the treatment of hip joint pain not related to osteoarthritis or dysplasia in the young and active patient. There has been increasing focus on the contribution of the hip capsule to function and on stability following hip arthroscopy. It has been suggested that capsular closure after hip arthroscopy may prevent microinstability and macroinstability of the hip joint and reduce revision rate. However, it remains unknown whether capsular closure should be performed as a standard procedure when performing hip arthroscopies, especially in patients without additional risk factors for instability such as hypermobility or dysplasia of the hip...
February 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29416969/-in-round-labral-repair-after-acetabular-recession-using-intermittent-traction
#15
Nathan W Skelley, William K Conaway, Scott D Martin
The prevalence of hip arthroscopy has increased exponentially with the advent of arthroscopic labral repair techniques for femoroacetabular impingement. The goal of arthroscopic labral repair is to re-create the anatomic suction seal of the labrum against the femoral head. This important anatomic relationship has been demonstrated in several biomechanical studies. Performing the acetabular recession and evaluating the congruity of labral repairs during surgery is difficult with the application of traction distracting the femoral head from the chondrolabral junction...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29395556/outcomes-of-arthroscopic-management-of-trochanteric-bursitis-in-patients-with-femoroacetabular-impingement-a-comparison-of-two-matched-patient-groups
#16
Alexander R Vap, Justin J Mitchell, Karen K Briggs, Shannen C McNamara, Marc J Philippon
PURPOSE: To determine the prevalence of chronic trochanteric bursitis (TB) in patient being treated for femoroacetabular impingement (FAI) and determine the effectiveness of arthroscopic bursectomy and iliotibial band lengthening (AB-ITB-L) at the time of hip arthroscopy for FAI. METHODS: Patients diagnosed with primary FAI and chronic TB were included in the study. Patients were included if they underwent hip arthroscopy with labral repair, femoral and/or acetabular osteoplasty, and AB-ITB-L...
January 27, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29395550/the-relationship-between-the-location-of-uptake-on-positron-emission-tomography-computed-tomography-and-the-impingement-point-by-computer-simulation-in-femoroacetabular-impingement-syndrome-with-cam-morphology
#17
Takayuki Oishi, Naomi Kobayashi, Yutaka Inaba, Hyonmin Choe, Taro Tezuka, So Kubota, Daigo Kobayashi, Tomoyuki Saito
PURPOSE: To clarify the concordance rate of the location of uptake on positron emission tomography/computed tomography (PET/CT) and the impingement point demonstrated in computer simulation in femoroacetabular impingement (FAI) syndrome with cam morphology. METHODS: We included hip joints with FAI syndrome that underwent 18 F-fluoride PET/CT. We also excluded hips with SUVmax <6. Each hip was evaluated for the region of the SUVmax point on PET/CT as well as the impingement point by computer simulation...
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29373445/valgus-slipped-capital-femoral-epiphysis-pathophysiology-of-motion-and-results-of-intracapsular-realignment
#18
Morteza Kalhor, Kaveh Gharanizadeh, Paulo Rego, Michael Leunig, Reinhold Ganz
OBJECTIVES: The purpose of this study was to report (1) a different but specific pattern of impingement in hips involved with valgus slipped capital femoral epiphysis (valgus SCFE) and (2) the results of surgical treatment using intracapsular realignment techniques. DESIGN: Case series. SETTING: Multiple academic centers. PATIENTS: Six patients with 8 involved hips referred for valgus alignment of proximal femoral epiphysis (valgus SCFE)...
February 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29349012/arthroscopic-reduction-and-internal-fixation-of-a-rim-fracture
#19
Raul Torres-Eguía, Jesús Más Martínez, Javier Sanz-Reig
Femoroacetabular impingement is uncommonly associated to a rim fracture. Complete resection of the fragment might result in iatrogenic instability or poor femoral head coverage. In this report, we describe the step-by-step surgical technique of arthroscopic partial resection of a rim fracture, reduction and internal fixation of the remaining fragment to correct the impingement, and preserve the adequate acetabular coverage.
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29323746/acetabular-and-spino-pelvic-morphologies-are-different-in-subjects-with-symptomatic-cam-femoro-acetabular-impingement
#20
George Grammatopoulos, Andrew D Speirs, K C Geoffrey Ng, Charles Riviere, Kawan S Rakhra, Mario Lamontagne, Paul E Beaule
Acetabular and spino-pelvic (SP) morphological parameters are important determinants of hip joint dynamics. This prospective study aimed to determine whether acetabular and SP morphological differences exist between hips with and without cam morphology and between symptomatic and asymptomatic hips with cam morphology. A cohort of 67 patients/hips was studied. Hips were either asymptomatic with no cam (Controls, n = 18), symptomatic with cam (n = 26) or asymptomatic with cam (n = 23). CT-based quantitative assessments of femoral, acetabular, pelvic, and spino-pelvic parameters were performed...
January 11, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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