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femoracetabular impingement

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https://www.readbyqxmd.com/read/27192497/quantitative-magnetic-resonance-arthrography-in-patients-with-femoroacetabular-impingement
#1
Michael A Samaan, Alan L Zhang, Matthew C Gallo, Benedikt J Schwaiger, Thomas M Link, Richard B Souza, Sharmila Majumdar
PURPOSE: Quantitative MRI (QMRI) of the hip with sequences such as T1ρ and T2 mapping has been utilized to detect early changes in cartilage matrix composition. However, QMRI has not been performed in the presence of intra-articular contrast. Thus the purpose of this study was to evaluate the feasibility and use of QMRI during MR-arthrography (MRA) in femoracetabular impingement (FAI) patients. MATERIALS AND METHODS: Using a 3 Tesla MR-scanner, 10 FAI patients underwent a unilateral MRA and standard MRI of the hip joint...
December 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/26846934/two-year-outcomes-after-arthroscopic-surgery-compared-to-physical-therapy-for-femoracetabular-impingement-a-protocol-for-a-randomized-clinical-trial
#2
Nancy S Mansell, Daniel I Rhon, Bryant G Marchant, John M Slevin, John L Meyer
BACKGROUND: As the prevalence of hip pathology in the younger athletic population rises, the medical community continues to investigate effective intervention options. Femoracetabular impingement is the morphologically abnormal articulation of the femoral head against the acetabulum, and often implicated in pre-arthritic hip conditions of musculoskeletal nature. Arthroscopic surgical decompression and non-surgical rehabilitation programs focused on strengthening and stability are common interventions...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/26213699/reliability-readability-and-quality-of-online-information-about-femoracetabular-impingement
#3
Fatih Küçükdurmaz, Miguel M Gomez, Eric Secrist, Javad Parvizi
BACKGROUND: The Internet has become the most widely-used source for patients seeking information more about their health and many sites geared towards this audience have gained widespread use in recent years. Additionally, many healthcare institutions publish their own patient-education web sites with information regarding common conditions. Little is known about how these resources impact patient health, though, as they have the potential both to inform and to misinform patients regarding their prognosis and possible treatments...
July 2015: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/25695983/prevalence-of-radiographic-parameters-predisposing-to-femoroacetabular-impingement-in-young-asymptomatic-chinese-and-white-subjects
#4
COMPARATIVE STUDY
Jan Van Houcke, Wan Pan Yau, Chun Hoi Yan, Wouter Huysse, Hannes Dechamps, Wing Hang Lau, Chun Sing Wong, Christophe Pattyn, Emmanuel Albert Audenaert
BACKGROUND: Osteoarthritis of the hip is five to ten times more common in white people than in Chinese people. Little is known about the true prevalence of femoroacetabular impingement or its role in the development of osteoarthritis in the Chinese population. A cross-sectional study of both white and Chinese asymptomatic individuals was conducted to compare the prevalences of radiographic features posing a risk for femoroacetabular impingement in the two groups. It was hypothesized that that there would be proportional differences in hip anatomy between the white and Asian populations...
February 18, 2015: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/25653327/characterization-of-ossification-of-the-posterior-rim-of-acetabulum-in-the-developing-hip-and-its-impact-on-the-assessment-of-femoroacetabular-impingement
#5
William Z Morris, Jason Y Chen, Daniel R Cooperman, Raymond W Liu
BACKGROUND: Many radiographic indices that are used to assess adolescents for femoroacetabular impingement rely on an ossified posterior acetabular wall. A recent study identified a secondary ossification center in the posterior rim of the acetabulum, the ossification of which may affect perceived acetabular coverage. The purpose of this study was to characterize ossification of the posterior rim of the acetabulum with use of a longitudinal radiographic study and quantify its impact on the radiographic assessment of femoroacetabular impingement...
February 4, 2015: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/25485434/computer-assisted-planning-and-navigation-of-periacetabular-osteotomy-with-range-of-motion-optimization
#6
Li Liu, Timo Ecker, Steffen Schumann, Klaus Siebenrock, Lutz Nolte, Guoyan Zheng
Femoroacetabular impingement (FAI) before or after Periacetabular Osteotomy (PAO) is surprisingly frequent and surgeons need to be aware of the risk preoperatively and be able to avoid it intraoperatively. In this paper we present a novel computer assisted planning and navigation system for PAO with impingement analysis and range of motion (ROM) optimization. Our system starts with a fully automatic detection of the acetabular rim, which allows for quantifying the acetabular morphology with parameters such as acetabular version, inclination and femoral head coverage ratio for a computer assisted diagnosis and planning...
2014: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/25471911/complications-associated-with-the-periacetabular-osteotomy-a-prospective-multicenter-study
#7
MULTICENTER STUDY
Ira Zaltz, Geneva Baca, Young-Jo Kim, Perry Schoenecker, Robert Trousdale, Rafael Sierra, Daniel Sucato, Ernie Sink, Paul Beaulé, Michael B Millis, David Podeszwa, John C Clohisy
BACKGROUND: The purpose of this prospective multicenter study was to determine and categorize all complications associated with the periacetabular osteotomy performed by experienced surgeons. METHODS: We prospectively analyzed perioperative complications in 205 consecutive unilateral periacetabular osteotomies performed at seven institutions by ten surgeons. All perioperative complications were recorded at an average of ten weeks and one year after surgery in standardized fashion using a validated complication grading scheme applied to hip preservation procedures...
December 3, 2014: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/25417474/-joint-preserving-surgical-treatment-of-degenerative-hip-diseases
#8
REVIEW
Johannes Schauwecker, Ingo Banke, Frauke Wilken, Hans Gollwitzer
No abstract text is available yet for this article.
October 9, 2014: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/25371454/subcapital-osteotomy-of-the-femoral-neck-for-patients-with-healed-slipped-capital-femoral-epiphysis
#9
K Bali, P Railton, G N Kiefer, J N Powell
We report the clinical and radiological outcome of subcapital osteotomy of the femoral neck in the management of symptomatic femoroacetabular impingement (FAI) resulting from a healed slipped capital femoral epiphysis (SCFE). We believe this is only the second such study in the literature. We studied eight patients (eight hips) with symptomatic FAI after a moderate to severe healed SCFE. There were six male and two female patients, with a mean age of 17.8 years (13 to 29). All patients underwent a subcapital intracapsular osteotomy of the femoral neck after surgical hip dislocation and creation of an extended retinacular soft-tissue flap...
November 2014: Bone & Joint Journal
https://www.readbyqxmd.com/read/25325138/-hip-arthroscopy-new-technique-against-hip-pain
#10
REVIEW
Mattias Ahldén, Mikael Sansone, Páll Jónasson, Leif Swärd, Jón Karlsson
No abstract text is available yet for this article.
September 3, 2014: Läkartidningen
https://www.readbyqxmd.com/read/25320194/clinical-presentation-and-disease-characteristics-of-femoroacetabular-impingement-are-sex-dependent
#11
Jeffrey J Nepple, Cassandra N Riggs, James R Ross, John C Clohisy
BACKGROUND: Cam-type femoroacetabular impingement (FAI) is generally described as being more common in males, with pincer-type FAI being more common in females. The purpose of this study was to determine the effect of sex on FAI subtype, clinical presentation, radiographic findings, and intraoperative findings in patients with symptomatic FAI. METHODS: We compared cohorts of fifty consecutive male and fifty consecutive female patients who were undergoing surgery for symptomatic FAI...
October 15, 2014: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/25308887/femoroacetabular-impingement
#12
REVIEW
Stephanie Pun, Deepak Kumar, Nancy E Lane
No abstract text is available yet for this article.
January 2015: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/25295773/operative-treatment-of-femoroacetabular-impingement
#13
REVIEW
Michael D Hellman, Andrew J Riff, Rachel M Frank, Bryan D Haughom, Shane J Nho
Femoroacetabular impingement is a common pathologic disorder of the hip that causes pain and has been implicated in the development of early osteoarthritis in young adults. This disorder includes 2 different subtypes: cam impingement and pincer impingement. When nonsurgical treatment methods fail, surgical options are indicated. These options have been increasingly investigated over recent years and show promising results. Several surgical techniques have been described, including surgical dislocation of the hip, mini-open procedures, hip arthroscopy, and periacetabular osteotomies...
September 2014: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/25293496/corr-insights-subject-specific-patterns-of-femur-labrum-contact-are-complex-and-vary-in-asymptomatic-hips-and-hips-with-femoroacetabular-impingement
#14
COMMENT
Jonathan H Rylander
No abstract text is available yet for this article.
December 2014: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/25273972/the-myths-of-femoroacetabular-impingement
#15
Joseph Bernstein
No abstract text is available yet for this article.
December 2014: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/25193693/subject-specific-patterns-of-femur-labrum-contact-are-complex-and-vary-in-asymptomatic-hips-and-hips-with-femoroacetabular-impingement
#16
Ashley L Kapron, Stephen K Aoki, Christopher L Peters, Andrew E Anderson
BACKGROUND: Femoroacetabular impingement (FAI) may constrain hip articulation and cause chondrolabral damage, but to our knowledge, in vivo articulation and femur-labrum contact patterns have not been quantified. PURPOSE: In this exploratory study, we describe the use of high-speed dual-fluoroscopy and model-based tracking to dynamically measure in vivo hip articulation and estimate the location of femur-labrum contact in six asymptomatic hips and three hips with FAI during the impingement examination...
December 2014: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/25183585/evaluation-of-the-magnitude-and-location-of-cam-deformity-using-three-dimensional-ct-analysis
#17
O Khan, J Witt
The cam-type deformity in femoroacetabular impingement is a 3D deformity. Single measurements using radiographs, CT or MRI may not provide a true estimate of the magnitude of the deformity. We performed an analysis of the size and location of measurements of the alpha angle (α°) using a CT technique which could be applied to the 3D reconstructions of the hip. Analysis was undertaken in 42 patients (57 hips; 24 men and 18 women; mean age 38 years (16 to 58)) who had symptoms of femoroacetabular impingement related to a cam-type abnormality...
September 2014: Bone & Joint Journal
https://www.readbyqxmd.com/read/25175666/cam-deformity-and-hip-degeneration-are-common-after-fixation-of-a-slipped-capital-femoral-epiphysis
#18
Jakob Klit, Kasper Gosvig, Erland Magnussen, John Gelineck, Thomas Kallemose, Kjeld Søballe, Anders Troelsen
BACKGROUND AND PURPOSE: Slipped capital femoral epiphysis is thought to result in cam deformity and femoroacetabular impingement. We examined: (1) cam-type deformity, (2) labral degeneration, chondrolabral damage, and osteoarthritic development, and (3) the clinical and patient-reported outcome after fixation of slipped capital femoral epiphysis (SCFE). METHODS: We identified 28 patients who were treated with fixation of SCFE from 1991 to 1998. 17 patients with 24 affected hips were willing to participate and were evaluated 10-17 years postoperatively...
December 2014: Acta Orthopaedica
https://www.readbyqxmd.com/read/25150405/global-discrepancies-in-the-diagnosis-surgical-management-and-investigation-of-femoroacetabular-impingement
#19
REVIEW
Marco Yeung, Moin Khan, Verena M Schreiber, John Adamich, Shelby Letkemann, Nicole Simunovic, Mohit Bhandari, Volker Musahl, Marc J Philippon, Marc R Safran, Olufemi R Ayeni
PURPOSE: The purpose of this study was to review the global pattern of surgical management of femoroacetabular impingement (FAI), particularly in diagnosis, outcome measurement, and management. METHODS: We performed a systematic search in duplicate for surgical studies addressing FAI published up to June 2013. Study parameters, including sample size, study location, surgical intervention technique, diagnostic imaging, outcome measures used, sex distribution, and level of evidence, were obtained...
December 2014: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/25134816/interobserver-and-intraobserver-reliability-of-the-radiographic-analysis-of-femoroacetabular-impingement-and-dysplasia-using-computer-assisted-measurements
#20
Jeffrey J Nepple, John M Martell, Young-Jo Kim, Ira Zaltz, Michael B Millis, David A Podeszwa, Daniel J Sucato, Ernest L Sink, John C Clohisy
BACKGROUND: A comprehensive evaluation of hip radiographs in the young adult with hip pain has become increasingly complex and time consuming. The interobserver reliability of manually performed measurements of femoroacetabular impingement, including the alpha angle, has been questioned. Methods to improve the reliability of a radiographic evaluation may increase the clinical utility of these parameters. PURPOSE: To determine the interobserver and intraobserver reliability of a computer-assisted radiographic analysis of the young adult hip in a clinically relevant setting...
October 2014: American Journal of Sports Medicine
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