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Hip impingement

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https://www.readbyqxmd.com/read/28235114/poorer-arthroscopic-outcomes-of-mild-dysplasia-with-cam-femoroacetabular-impingement-versus-mixed-femoroacetabular-impingement-in-absence-of-capsular-repair
#1
Dean K Matsuda, Nikhil Gupta, Monti Khatod, Nicole A Matsuda, Faith Anthony, Joshua Sampson, Raoul Burchette
PURPOSE: To compare outcomes of mild dysplasia with cam femoroacetabular impingement (FAI) vs mixed FAI with hip arthroscopy without capsular repair. METHODS: A retrospective review of a 2009 to 2010 multicenter prospective outcome study was performed comparing a cohort with mild dysplasia and cam femoroacetabular impingement (cohort D) to a cohort with mixed FAI (cohort M). Outcome measures included Nonarthritic Hip Score (NAHS) and satisfaction with minimum 2-year follow-up...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235113/current-techniques-in-treating-femoroacetabular-impingement-capsular-repair-and-plication
#2
Nicole Friel, Gift Ukwuani, Shane J Nho
Management of the hip capsule has evolved with increased awareness that capsular closure during hip arthroscopy restores the normal anatomy of the ilio-femoral ligament and therefore restores the biomechanical characteristics of the hip joint. Both anatomical and clinical studies have found that capsular closure or plication after hip arthroscopy restores normal motion and allows patients to return to activity more quickly. Capsular closure is technically challenging and increases operative time, but gross instability and microinstability can be avoided with meticulous closure/plication...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235112/current-concepts-in-labral-repair-and-refixation-anatomical-approach-to-labral-management
#3
Robert Kollmorgen, Richard Mather
Arthroscopic labral repair and refixation have garnered much attention over the past several years. Restoration of suction seal and native labral function has been an evolving focus for achieving excellent results in hip preservation surgery. Authors have reported using several labral management techniques: débridement, labralization, looped suture fixation, base stitch fixation, inversion-eversion, and reconstruction. The optimal technique is yet to be determined. Absolute indications for labral repair are symptomatic intra-articular pain, joint space >2 mm, and failed conservative management...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235110/evolution-of-femoroacetabular-impingement-treatment-the-anchor-experience
#4
Jeffrey J Nepple, John C Clohisy
Our understanding of femoroacetabular impingement (FAI) as a cause of hip pain and secondary osteoarthritis has rapidly evolved since Ganz's description in 2003, which refined concepts described a half century earlier. The concepts of cam and pincer-type impingement continue to be better defined and have evolved from relatively simple concepts to more complex and variable disease patterns that are patient-specific. Ganz and colleagues described open treatment of FAI through the development of the surgical hip dislocation approach...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235109/treatment-of-femoroacetabular-impingement-labrum-cartilage-osseous-deformity-and-capsule
#5
Marc J Philippon, Ioanna Bolia, Renato Locks, Hajime Utsunomiya
Femoroacetabular impingement (FAI) surgery aims to restore the native anatomical relationships between bones and the soft tissues comprising the hip joint. The goal of this approach is to mimic the natural biomechanical function of the hip joint and translate it into a perfect clinical outcome. In this article, we describe the indications and contraindications for our preferred hip arthroscopic techniques for correcting FAI in both primary and revision cases and discuss the role of postoperative rehabilitation and use of biologics in further improving patient outcomes...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235107/mastering-the-physical-examination-of-the-athlete-s-hip
#6
David P Trofa, Sophie E Mayeux, Robert L Parisien, Christopher S Ahmad, T Sean Lynch
In this review, we describe precise methods for evaluating the athlete's hip or groin with an emphasis on recognizing the most common extra-articular and intra-articular pathologies, including adductor strains, athletic pubalgia, osteitis pubis, and femoroacetabular impingement with labral tears.
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28233341/dynamical-analysis-of-dislocation-associated-factors-in-total-hip-replacements-by-hardware-in-the-loop-simulation
#7
Andreas Geier, Daniel Kluess, Robert Grawe, Sven Herrmann, Darryl D'Lima, Christoph Woernle, Rainer Bader
Since dislocation of total hip replacements (THR) remains a clinical problem, its mechanisms are still in the focus of research. Previous studies ignored the impact of soft tissue structures and dynamic processes or relied on simplified joint contact mechanics, thus, hindered a thorough understanding. Therefore, the purpose of the present study was to use hardware-in-the-loop (HiL) simulation to analyze systematically the impact of varying implant positions and designs as well as gluteal and posterior muscle function on THR instability under physiological-like loading conditions during dynamic movements...
February 24, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28229355/femoral-shaft-osteotomy-for-obligate-outward-rotation-due-to-scfe
#8
Peter M Stevens, Lucas Anderson, Bruce A MacWilliams
Slipped capital femoral epiphysis (SCFE) is an adolescent disease that leads to retroversion of the femoral neck and shaft, relative to the head. Observing that patients with SCFE must walk with an outward foot progression angle and externally rotate the leg in order to flex the hip, we have been performing a femoral shaft rotational osteotomy wherein we rotate the lower femur 45° inward, relative to the upper femur. By correcting retroversion, our goal is to improve functional hip and knee motion, thereby mitigating the effects of SCFE impingement...
February 22, 2017: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/28227828/pose-measurement-of-anterior-pelvic-plane-based-on-inertial-measurement-unit-in-total-hip-replacement-surgeries
#9
Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Yixin Zhou, Hong Chen, Zhihua Wang, Hao Tang, Shaojie Su
In Total Hip Replacement (THR), inaccurate measurement of Anterior Pelvic Plane (APP), which is usually used as a reference plane, will lead to malposition of the acetabular prosthesis. As a result, the risk of impingement, dislocation and wear will increase and the safe range of motion will be limited. In order to acquire the accurate pose of APP, a measurement system is designed in this paper, which includes two parts: one is used to estimate the initial pose of APP and the other is used to trail dynamic motion of APP...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224071/arthroscopic-fixation-of-os-acetabuli-technique-when-to-resect-and-when-to-fix
#10
Cecilia Pascual-Garrido, John B Schrock, Justin J Mitchell, Gaston Camino Willhuber, Omer Mei-Dan, Jorge Chahla
Acetabular rim fractures, or os acetabuli, are hypothesized to occur as a result of an unfused ossification center or a stress fracture from repetitive impingement of an abnormally shaped femoral neck against the acetabular rim. When treated surgically, these fragments are typically excised as part of the correction for femoroacetabular impingement. However, in some patients, removal of these fragments can create symptoms of gross instability or microinstability of the hip. In these cases, internal fixation of the fragment is necessary...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28218372/chronological-changes-in-functional-cup-position-at-10-years-after-total-hip-arthroplasty
#11
Yusuke Okanoue, Masahiko Ikeuchi, Shogo Takaya, Masashi Izumi, Koji Aso, Teruhiko Kawakami
PURPOSE: This study aims to clarify the chronological changes in functional cup position at a minimum follow-up of 10 years after total hip arthroplasty (THA), and to identify the risk factors influencing a significant difference in functional cup position during the postoperative follow-up period. METHODS: We evaluated the chronological changes in functional cup position at a minimum follow-up of 10 years after THA in 58 patients with unilateral hip osteoarthritis...
February 15, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28210944/postoperative-imaging-in-arthroscopic-hip-surgery
#12
REVIEW
F Di Pietto, V Chianca, R de Ritis, E Cesarano, A Reginelli, A Barile, M Zappia, L Ginolfi
Arthroscopic surgery of the hip, compared to that of the knee or the shoulder, has only recently been developed in any significant way. Current indications for arthroscopic surgery of the hip include: diagnosis and treatment of lesions symptomatic of the acetabular labrum, femoroacetabular impingement (FAI), chondral lesions, joint infections, lesions of the teres ligament, impingement of the psoas tendon, pathology of the peritrochanteric space, external snapping hip (coxa saltans), and traumatic and atraumatic instability...
February 16, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28203594/foot-progression-angle-walking-test-a-dynamic-diagnostic-assessment-for-femoroacetabular-impingement-and-hip-instability
#13
Anil S Ranawat, Michael A Gaudiani, Pablo A Slullitel, James Satalich, Brian J Rebolledo
BACKGROUND: Determining an accurate clinical diagnosis for nonarthritic hip pain may be challenging, as symptoms related to femoroacetabular impingement (FAI) or hip instability can be difficult to elucidate with current testing methods. In addition, commonly utilized physical examination maneuvers are static and do not include a dynamic or weightbearing assessment to reproduce activity-related symptoms. Therefore, implementing a dynamic assessment for FAI and hip instability could help to improve diagnostic accuracy for routine clinical examinations of patients with nonarthritic hip pain...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197752/surgical-dislocation-for-pediatric-and-adolescent-hip-deformity-clinical-and-radiographical-results-at-3%C3%A2-years-follow-up
#14
Nicola Guindani, Oliver Eberhardt, Thomas Wirth, Michele F Surace, Francisco F Fernandez
INTRODUCTION: The aim of this study is to evaluate the clinical, radiographic short-term results and complications after surgical hip dislocation in young patients (≤18 years). MATERIALS AND METHODS: Clinical and radiographic outcomes were assessed in patients who underwent a surgical hip dislocation Ganz-type approach between 2008 and 2012. Diagnosis included Legg-Calvé-Perthes disease, slipped capital femoral epiphysis, femoroacetabular impingement, osteonecrosis of the femoral head, multiple hereditary exostoses and pigmented villonodular synovitis...
February 14, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28194709/high-survivorship-and-little-osteoarthritis-at-10-year-followup-in-scfe-patients-treated-with-a-modified-dunn-procedure
#15
Kai Ziebarth, Milan Milosevic, Till D Lerch, Simon D Steppacher, Theddy Slongo, Klaus A Siebenrock
BACKGROUND: The modified Dunn procedure has the potential to restore the anatomy in hips with slipped capital femoral epiphyses (SCFE) while protecting the blood supply to the femoral head and minimizing secondary impingement deformities. However, there is controversy about the risks associated with the procedure and mid- to long-term data on clinical outcomes, reoperations, and complications are sparse. QUESTIONS/PURPOSES: Among patients treated with a modified Dunn procedure for SCFE, we report on (1) hip pain and function as measured by the Merle d'Aubigné and Postel score, Drehmann sign, anterior impingement test, limp, and ROM; (2) the cumulative survivorship at minimum 10-year followup with endpoints of osteoarthritis (OA) progression (at least one Tönnis grade), subsequent THA, or a Merle d'Aubigné and Postel score < 15; (3) radiographic anatomy of the proximal femur measured by slip angle, α angle, Klein line, and sphericity index; and (4) the risk of subsequent surgery and complications...
February 13, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28186873/pre-operative-simulation-of-periacetabular-osteotomy-via-a-three-dimensional-model-constructed-from-salt
#16
Kensuke Fukushima, Naonobu Takahira, Katsufumi Uchiyama, Mitsutoshi Moriya, Masashi Takaso
INTRODUCTION: Periacetabular osteotomy (PAO) is an effective joint-preserving procedure for young adults with developmental dysplasia of the hip. Although PAO provides excellent radiographic and clinical results, it is a technically demanding procedure with a distinct learning curve that requires careful 3D planning and, above all, has a number of potential complications. We therefore developed a pre-operative simulation method for PAO via creation of a new full-scale model. METHODS: The model was prepared from the patient's Digital Imaging and Communications in Medicine (DICOM) formatted data from computed tomography (CT), for construction and assembly using 3D printing technology...
2017: SICOT-J
https://www.readbyqxmd.com/read/28180913/-surgical-hip-dislocation-current-status-in-the-treatment-of-femoral-acetabular-impingement
#17
F Sitterlee, S Kirschbaum, C Perka, M Müller
INTRODUCTION: Surgical hip dislocation (SHD) in the therapy of femoral acetabular impingement (FAI) has been mostly replaced by minimally invasive techniques. Nevertheless, in the circumstances of complex FAI types and combined impingement located in inaccessible areas of the hip, SHD is an option to reach those deformities. The advantage of the complete overview of the hip joint enables the circumferential therapy of bony deformity, but at the expense of higher invasivity. In the literature there is still a lack of mid to long-term studies of SHD to determine the overall treatment outcome...
February 8, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28176673/surgical-hip-dislocation-in-treatment-of-slipped-capital-femoral-epiphysis
#18
Mohammed Elmarghany, Tarek M Abd El-Ghaffar, Mahmoud Seddik, Ahmed Akar, Yousef Gad, Eissa Ragheb, Alessandro Aprato, Alessandro Massè
BACKGROUND: Most surgeons advocate in situ fixation of the slipped epiphysis with acceptance of any persistent deformity in the proximal femur [Aronsson DD, Loder RT, Breur GJ, Weinstein SL (2006) Slipped capital femoral epiphysis: current concepts. J Am Acad Orthop Surg 14, 666-679]. This residual deformity can lead to osteoarthritis due to femoroacetabular cam impingement (FAI) [Leunig M, Slongo T, Ganz R (2008) Subcapital realignment in slipped capital femoral epiphysis: surgical hip dislocation and trimming of the stable trochanter to protect the perfusion of the epiphysis...
2017: SICOT-J
https://www.readbyqxmd.com/read/28169108/prevalence-and-clinical-significance-of-hypertrophic-labrum-in-non-dysplastic-hips
#19
Yong-Chan Ha, Young-Kyun Lee, Kyung-Hoi Koo, Ki-Bum Kwon, Sang-Heon Song
BACKGROUND: Hypertrophic labrum in dysplastic hip has been frequently reported and is known as limbus in developmental dysplasia of the hip. However, hypertrophic labrum without hip dysplasia has not been reported to date. The purpose of this study was to define hypertrophic labrum and to investigate the prevalence and clinical significance of an abnormally hypertrophic labrum in non-dysplastic hips. METHODS: Between 2007 and 2014, direct CT arthrography was performed in 464 patients (470 hips) who had chronic groin pain and positive impingement or Faber test...
February 3, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28165597/increase-in-safe-zone-area-of-the-acetabular-cup-using-dual-mobility-cups-in-tha
#20
Takaaki Ohmori, Tamon Kabata, Toru Maeda, Yoshitomo Kajino, Tadashi Taga, Kazuhiro Hasegawa, Daisuke Inoue, Takashi Yamamoto, Tomoharu Takagi, Hiroyuki Tsuchiya
BACKGROUND: Dual mobility cup (DMC) inserts reduce the risk of dislocation after total hip arthroplasty (THA). No available research has clearly delineated stability advantages of DMC inserts in primary and revision THA. We investigated: (i) the degree of change in the safe zone of the cup when a DMC insert is used compared to a fixed insert; (ii) the method of selecting candidates for a DMC insert without changing the position of the acetabular (cup) component during revision THA in frequent dislocation cases caused by implant impingement...
January 30, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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