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Cam deformity

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https://www.readbyqxmd.com/read/29323746/the-acetabular-and-spino-pelvic-morphologies-are-different-in-subjects-with-symptomatic-cam-femoro-acetabular-impingement
#1
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
https://www.readbyqxmd.com/read/29273254/sex-dependent-differences-in-preoperative-radiographic-and-intraoperative-characteristics-of-patients-undergoing-hip-arthroscopy-results-from-the-multicenter-arthroscopic-study-of-the-hip-group
#2
John P Salvo, Shane J Nho, Andrew B Wolff, John J Christoforetti, Geoffrey S Van Thiel, Thomas J Ellis, Dean K Matsuda, Benjamin R Kivlan, Zaira S Chaudhry, Dominic S Carreira
PURPOSE: To compare preoperative, radiographic, and intraoperative findings between male and female patients undergoing hip arthroscopy. METHODS: We performed a retrospective review of a multicenter registry of patients undergoing hip arthroscopy between January 2014 and January 2017. Perioperative data from patients who consented to undergo surgery and completed preoperative patient-reported outcome questionnaires were analyzed to determine the effect of sex on preoperative symptoms, patient-reported outcomes, radiographic measures, and surgical procedures...
December 19, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29260271/reconstruction-of-mandibular-contour-using-individualized-high-density-porous-polyethylene-medpor%C3%A2-implants-under-the-guidance-of-virtual-surgical-planning-and-3d-printed-surgical-templates
#3
Yu Wang, Yiqun Zhang, Zhen Zhang, Xiang Li, Jianwei Pan, Jihua Li
BACKGROUND: The mandibular contour plays a significant role in the beautiful and youthful look but the reconstruction remains a challenging problem. The objective of this study was to evaluate the use of individualized high-density porous polyethylene (Medpor®) implants for comprehensive reconstruction of mandibular contour with the aid of computer-aided design/computer-aided manufacturing (CAD/CAM). METHODS: From 2010 to 2014, 12 patients with mandibular contour deformities were enrolled in our retrospective study...
December 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29216704/-prevalence-of-x-ray-signs-of-femoroacetabular-impingement-in-mexican-population
#4
R Gutiérrez-Ramos, S A Ávalos-Calderón, L A Bahena-Peniche
BACKGROUND: Femoroacetabular impingement (FAI) is a suggested diagnosis for pain in the hip in the absence of other apparent causes. It is thought to be a cause of progressive arthrosis of the hip. Our objective was to determine the prevalence of radiographic data of FAI in the adult population without hip pathology over a period of six months. MATERIAL AND METHODS: Analytical, observational, multicentric, ambispective and transverse study based on digital X-rays analysis...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29164164/female-sex-is-a-risk-factor-for-failure-of-hip-arthroscopy-performed-for-acetabular-retroversion
#5
Kirsten L Poehling-Monaghan, Aaron J Krych, Bruce A Levy, Robert T Trousdale, Rafael J Sierra
Background: The success of hip surgery in treating acetabular retroversion depends on the severity of the structural deformity and on selecting the correct patient for open or arthroscopic procedures. Purpose: To compare a group of patients with retroverted hips treated successfully with hip arthroscopy with a group of patients with retroverted hips that failed arthroscopic surgery, with special emphasis on (1) patient characteristics, (2) perioperative radiographic parameters, (3) intraoperative findings and concomitant procedures, and (4) patient sex...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29146166/hip-dysplasia-prevalence-associated-findings-and-procedures-from-large-multicenter-arthroscopy-study-group
#6
Dean K Matsuda, Andrew B Wolff, Shane J Nho, John P Salvo, John J Christoforetti, Benjamin R Kivlan, Thomas J Ellis, Dominic S Carreira
PURPOSE: To report observational findings of patients with acetabular dysplasia undergoing hip arthroscopy. METHODS: We performed a comparative case series of multicenter registry patients from January 2014 to April 2016 meeting the inclusion criteria of isolated hip arthroscopy, a documented lateral center-edge angle (LCEA), and completion of preoperative patient-reported outcome measures. A retrospective analysis compared range of motion, intra-articular pathology, and procedures of patients with dysplasia (LCEA ≤25°) and patients without dysplasia (LCEA >25°)...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29125432/association-between-baseline-cognitive-impairment-and-postoperative-delirium-in-elderly-patients-undergoing-surgery-for-adult-spinal-deformity
#7
Owoicho Adogwa, Aladine A Elsamadicy, Victoria D Vuong, Jared Fialkoff, Joseph Cheng, Isaac O Karikari, Carlos A Bagley
OBJECTIVE Postoperative delirium is common in elderly patients undergoing spine surgery and is associated with a longer and more costly hospital course, functional decline, postoperative institutionalization, and higher likelihood of death within 6 months of discharge. Preoperative cognitive impairment may be a risk factor for the development of postoperative delirium. The aim of this study was to investigate the relationship between baseline cognitive impairment and postoperative delirium in geriatric patients undergoing surgery for degenerative scoliosis...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29124002/three-dimensional-reconstruction-of-late-post-traumatic-orbital-wall-defects-by-customized-implants-using-cad-cam-3d-stereolithographic-models-a-case-report
#8
Vignesh U, Divya Mehrotra, Dichen, Vaibhav Anand, Debraj Howlader
Aim: Purpose of this case report is to highlight the precision and accuracy obtained with patient specific implants for orbital reconstruction designed on the basis of volumetric analysis of orbital computed tomographic scan (CT) scans using virtual planning, computerised designing and manufacturing and stereolithographic models to correct late post-traumatic orbital deformities such as enophthalmos and diplopia. Material and methods: This case report describes a patient who visited our outpatient clinic for correction of enophthalmos and persistent diplopia in upward gaze, seven months post trauma...
September 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29080059/-cartilage-regeneration-surgery-on-the-hip-what-is-feasible
#9
REVIEW
Stefan Landgraeber, Marcus Jäger, Stefan Fickert
Localized cartilage defects at the hip are mainly caused by pre-arthritic deformities, particularly by cam-type femoroacetabular impingement (FAI). Timely elimination of symptomatic deformities can prevent further progression such as cartilage defects. As the defects mostly occur in the anterolateral part of the acetabulum, they can be easily treated either by open surgery or by arthroscopy. To date the most effective methods of treatment are bone marrow stimulation, with or without a covering of biomaterials, and autologous chondrocyte transplantation...
November 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29074445/fibrous-condylar-dysplasia-resection-and-reconstruction-with-a-custom-made-tmj-prosthesis-using-virtual-surgical-planning
#10
M Fernández-Ferro, J Fernández-Sanromán, A Costas-López, A López-Betancourt
The main objective of this article is to describe the indications for custom-made alloplastic reconstruction of the temporomandibular joint (TMJ) using the new techniques of virtual surgical planning and computer-aided design/computer-aided manufacturing (CAD/CAM) technology through the study of a clinical case and an updated review of the literature. The patient was a 45-year-old male with a fast-growing condylar dysplasia that produced a progressive facial deformity with limited mandibular mobility, which required a radical resection...
October 23, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29037180/comparison-of-improved-range-of-motion-between-cam-type-femoroacetabular-impingement-and-borderline-developmental-dysplasia-of-the-hip-evaluation-by-virtual-osteochondroplasty-using-computer-simulation
#11
So Kubota, Yutaka Inaba, Naomi Kobayashi, Hyonmin Choe, Taro Tezuka, Tomoyuki Saito
BACKGROUND: While cam resection is essential to achieve a good clinical result with respect to femoroacetabular impingement (FAI), it is unclear whether it should also be performed in cases of borderline developmental dysplasia of the hip (DDH) with a cam deformity. The aim of this study was to evaluate improvements in range of motion (ROM) in cases of cam-type FAI and borderline DDH after virtual osteochondroplasty using a computer impingement simulation. METHODS: Thirty-eight symptomatic hips in 31 patients (11male and 20 female) diagnosed with cam-type FAI or borderline DDH were analyzed...
October 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29024597/significant-chondrocyte-viability-is-present-in-acetabular-chondral-flaps-associated-with-femoroacetabular-impingement
#12
Vonda J Wright, Christopher Laurence McCrum, Hongshuai Li, Michael J Tranovich, Johnny Huard
BACKGROUND: Patients presenting with cam deformity of the femoral head and neck sustain repeated trauma to the articular cartilage of the superior acetabulum, with chondral delamination injuries found during hip arthroscopy. Two previous studies reveal conflicting chondrocyte viability data in these traumatic cartilage injuries. The full-thickness nature of flaps may suggest that chondrocytes residing in the cartilage flap matrix in the joint environment would remain viable despite shear trauma...
January 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28974401/the-failing-medial-compartment-in-the-varus-knee-and-its-association-with-cam-deformity-of-the-hip
#13
Jonathan S Palmer, Antony J Palmer, Luke D Jones, Sujin Kang, Nicholas Bottomley, William M Jackson, A Paul Monk, David J Beard, Kassim Javaid, Sion Glyn-Jones, Andrew J Price
BACKGROUND: Since 2011, the knee service at the Nuffield Orthopaedic Centre has been offering a neutralising medial opening wedge high tibial osteotomy (HTO) to a specific group of patients with genu varum and early knee osteoarthritis. An observation was made concerning this group of patients and the presence of CAM deformity at the hip. The aim of this study is to establish whether or not any association exists between the OA phenotype shared by our HTO group and the incidence of CAM deformity at the hip...
September 30, 2017: Knee
https://www.readbyqxmd.com/read/28971081/prevalence-of-femoroacetabular-impingement-morphology-in-asymptomatic-youth-soccer-players-magnetic-resonance-imaging-study-with-clinical-correlation
#14
Anthony Kerbes Yépez, Marcelo Abreu, Bruno Germani, Carlos Roberto Galia
OBJECTIVE: To determine the prevalence of femoroacetabular impingement morphology (FAIM), cam- or pincer-type, by magnetic resonance imaging (MRI) in asymptomatic adolescent soccer players, and to evaluate the possible correlation between alterations on MRI and clinical examination findings. METHODS: A cross-sectional study was conducted to determine the prevalence of FAIM in asymptomatic youth soccer players aged 13-18 years. A total of 112 hips in 56 players (mean age 15...
2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28969915/accuracy-of-digitally-fabricated-trial-dentures
#15
Timea Wimmer, Marlis Eichberger, Nina Lümkemann, Bogna Stawarczyk
STATEMENT OF PROBLEM: Information about the accuracy of digital computer-aided design and computer-aided manufacturing (CAD-CAM) complete dentures is scarce. PURPOSE: The purpose of this in vitro study was to assess the reproducibility of the occlusion of wax dentures fabricated with digital steps and the contraction behavior of wax trial dentures processed with combined conventional-digital steps. These were compared with those fabricated completely conventionally in terms of storage duration...
September 29, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28942368/dxa-derived-hip-shape-is-related-to-osteoarthritis-findings-from-in-the-mros-cohort
#16
B G Faber, D Baird, C L Gregson, J S Gregory, R J Barr, R M Aspden, J Lynch, M C Nevitt, N E Lane, E Orwoll, J H Tobias
OBJECTIVE: Statistical shape modelling (SSM) of radiographs has been used to explore relationships between altered joint shape and hip osteoarthritis (OA). We aimed to apply SSM to Dual-energy X-ray Absorptiometry (DXA) hip scans, and examine associations between resultant hip shape modes (HSMs), radiographic hip OA (RHOA), and hip pain, in a large population based cohort. METHOD: SSM was performed on baseline hip DXA scans from the Osteoporotic Fractures in Men (MrOS) Study...
September 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28918517/detecting-cam-type-deformities-on-plain-radiographs-what-is-the-optimal-lateral-view
#17
Christian Hipfl, Markus Titz, Catharina Chiari, Veronika Schöpf, Franz Kainberger, Reinhard Windhager, Stephan Domayer
PURPOSE: Radial magnetic resonance imaging (MRI) is the most accurate diagnostic tool in assessing cam-type femoroacetabular impingement. Plain radiographs, however, are useful for the initial diagnosis in the daily practice and there is still debate regarding the optimal lateral view. The purpose of this study was to investigate the reliability of detecting cam deformities using the frog-leg view or the 45° Dunn view by comparison with radial MRI. MATERIAL: 66 consecutive hips with plain radiographs (36 with AP and frog-leg views, 30 with AP and 45° Dunn views) and radial MRI were assessed...
September 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28915523/-biologic-reconstruction-of-full-sized-cartilage-defects-of-the-hip-a-guideline-from-the-dgou-group-clinical-tissue-regeneration-and-the-hip-committee-of-the-aga
#18
Stefan Fickert, Matthias Aurich, Dirk Albrecht, Peter Angele, Lorenz Büchler, Michael Dienst, Christoph Erggelet, Jürgen Fritz, Christoph Gebhart, Hans Gollwitzer, Moritz Kindler, Christoph Lampert, Henning Madry, Gregor Möckel, Phillip Niemeyer, Jörg Schröder, Christian Sobau, Gunter Spahn, Wolfgang Zinser, Stefan Landgraeber
Background Symptomatic pre-arthritic deformities such as femoroacetabular impingement (FAI) or hip dysplasia often lead to localised cartilage defects and subsequently to osteoarthritis. The present review of the working group "Clinical Tissue Regeneration" of the German Society of Orthopaedics and Trauma (DGOU) and the hip committee of the AGA (German speaking Society for Arthroscopy and Joint Surgery) provides an overview of current knowledge of the diagnosis and surgical treatment of cartilage defects, in order to infer appropriate therapy recommendations for the hip...
September 15, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28820271/cam-deformities-and-limited-hip-range-of-motion-are-associated-with-early-osteoarthritic-changes-in-adolescent-athletes-a-prospective-matched-cohort-study
#19
Cody C Wyles, Germán A Norambuena, Benjamin M Howe, Dirk R Larson, Bruce A Levy, Brandon J Yuan, Robert T Trousdale, Rafael J Sierra
BACKGROUND: The natural history of femoroacetabular impingement (FAI) remains incompletely understood. In particular, there is limited documentation of joint damage in adolescent patients with limited range of motion (LROM) of the hip, which is commonly associated with FAI. PURPOSE: To evaluate changes in magnetic resonance imaging (MRI), radiographs, and clinical examinations over 5 years in a group of athletes from a wide variety of sports with asymptomatic LROM of the hip compared with matched controls...
November 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28817408/reactive-osteochondromatous-lesion-of-the-femoral-neck-in-a-highly-active-preadolescent-patient-is-this-the-pathogenesis-of-a-cam-deformity
#20
Yoko Matsuda, Naomi Kobayashi, Yutaka Inaba, So Kubota, Yohei Yukizawa, Hyonmin Choe, Ikuma Kato, Kenichi Ohashi, Tomoyuki Saito
Here, we present a rare case of a preadolescent boy with a prominent bony bump on the femoral neck. The main histological feature was concordant with a reactive osteochondromatous lesion possibly induced by repetitive microtrauma, probably because of overtraining as a soccer goalkeeper. The nature of this pathological change is consistent with the growth of a cam deformity. Especially in the preadolescent age group, we should note that repetitive use of the same joint kinematics may induce a prominent cam deformity...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
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