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Hip radiograph image evaluation

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https://www.readbyqxmd.com/read/28737077/systematic-screening-of-adverse-reactions-to-metal-debris-after-recap-m2a-magnum-metal-on-metal-total-hip-arthroplasty
#1
H Mäntymäki, M Junnila, P Lankinen, M Seppänen, T Vahlberg, K T Mäkelä
BACKGROUND AND AIMS: An adverse reaction to metal debris is a known complication after large diameter head metal-on-metal total hip arthroplasty. However, the failure rate varies depending on the implant design. Therefore, we investigated the prevalence of adverse reaction to metal debris, as well as the symptoms and risk factors after undergoing a ReCap-M2a-Magnum large diameter head metal-on-metal total hip arthroplasty. MATERIALS AND METHODS: Between 2005 and 2012, 1188 patients (1329 hips) underwent ReCap-M2a-Magnum total hip arthroplasty at our institution...
March 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28730243/a-52-year-old-man-with-gouty-arthritis-and-erosive-lesion-in-the-hip
#2
Vitorino Modesto Dos Santos, Viviane Vieira Passini Soares, Priscilla Souza de Faria, Francisca Germanya Morais Borges Viana, Mayza Lemes Duarte
The case study of peripheral and axial gouty arthritis is described in a 52-year-old man without concomitant clinical evidence of tophaceus gout on physical evaluation on admission. Gout is a metabolic disorder related to excess of uric acid in the extracellular compartment, and deposition of monosodium urate crystals in the joints and other sites. Arthritis and tophi are major manifestations, which more often involve the peripheral joints asymmetrically. Chronic tophaceous gout commonly develops after a decade of recurrent polyarticular gout...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28722766/comparative-analysis-of-the-radiology-of-osteoporotic-vertebral-fractures-in-women-and-men-cross-sectional-and-longitudinal-observations-from-the-canadian-multicentre-osteoporosis-study-camos
#3
Brian C Lentle, Claudie Berger, Linda Probyn, Jacques P Brown, Lisa Langsetmo, Ben Fine, Kevin Lian, Arvind K Shergill, Jacques Trollip, Stuart Jackson, William D Leslie, Jerilynn C Prior, Stephanie M Kaiser, David A Hanley, Jonathan D Adachi, Tanveer Towheed, K Shawn Davison, Angela M Cheung, David Goltzman
We compared two methods for osteoporotic vertebral fracture (VF) assessment on lateral spine radiographs, the Genant semi-quantitative (GSQ) technique and a modified algorithm-based qualitative (mABQ) approach. We evaluated 4465 women and 1771 men > 50 years old from the Canadian Multicentre Osteoporosis Study with available X-ray images at baseline. Observer agreement was lowest for grade 1 VFs determined by GSQ. Among physician readers, agreement was greater for VFs diagnosed by mABQ [ranging from 0...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28675977/the-reliability-of-measuring-acetabular-component-position-on-radiographs-using-everyday-diagnostic-imaging-software
#4
Jack Lahy, Jarrad Stevens, Dean McKenzie, Richard de Steiger
BACKGROUND: It is standard practice for total hip arthroplasty (THA) patients to have post-operative imaging, and one of the reasons is to assess the adequacy of acetabular component position. Correct positioning of the acetabular component is important for successful outcome in THA. Acetabular component position can be measured from either computed tomography (CT) or plain radiographs. While CT is the gold standard for accurately measuring acetabular component position, radiographs are routinely used for post-operative evaluation...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28656165/comparison-of-double-and-single-leg-weight-bearing-radiography-in-determining-knee-alignment
#5
Omid Yazdanpanah, Mahmood Karimi Mobarakeh, Masoud Nakhaei, Mohammad R Baneshi
BACKGROUND: Knee malalignment is an important modifiable cause of osteoarthritis (OA). Surgical therapeutic procedures depend on proper knee alignment assessment. The purpose of this study was to compare knee alignment parameters between double and single leg weight-bearing radiographs and to evaluate the reproducibility of inter- and intra-observer measurements. METHODS: One hundred eight patients (59 male and 49 female) with knee deformity visited at Kerman Knee Clinic were selected...
May 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28630749/imaging-in-peri-prosthetic-assessment-an-orthopaedic-perspective
#6
Christoph H Lohmann, Sanjiv Rampal, Martin Lohrengel, Gurpal Singh
As imaging techniques are ever-evolving, this article aims to provide a brief overview of the various modalities including their limitations. The ability of imaging for evaluation of implant osseo-integration will be addressed and also the role of imaging in assessing septic and aseptic loosening, with a particular focus on adverse tissue reactions, will be discussed. Specific features when imaging the big joints such as shoulder, hip, knee and ankle joint will also be outlined.Overall, a lack of standardisation and validity was noted and despite the gross variety of imaging modalities, there is no technique covering all aspects required for evaluation of implant fixation and septic and aseptic loosening...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28605001/determination-of-structural-femoral-head-allograft-viability-and-integrity-with-a-novel-diagnostic-tool-spect-ct-a-preliminary-study
#7
Kasım Kilicarslan, Nadir Yalcin, Vedat Bicici, Elif Ozdemir, Izzet Bingol, Seyda Turkolmez
OBJECTIVE: To evaluate the viability and integrity of fresh frozen bulk femoral head allografts obtained from the institutional bone bank that were used to reconstruct severe acetabular defects and to validate the SPECT/CT method which gives both anatomical and functional data for this purpose. METHODS: We retrospectively reviewed 9 patients (6 female, 3 male; mean age 63.6 years). Preoperative and postoperative leg lengths, existence of the Trendelenburg sign, range of motion of the hip, visual analogue score (VAS), Harris Hip Score (HHS) and any complication were assesed at each follow-up...
June 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28574118/wear-of-xlpe-liner-against-zirconium-heads-in-cementless-total-hip-arthroplasty-for-patients-under-40-years-of-age
#8
Motoki Sonohata, Masaru Kitajima, Shunsuke Kawano, Masaaki Mawatari
INTRODUCTION: Total hip arthroplasty (THA) in the young is challenging. The purpose of this study was to retrospectively determine the clinical, radiographic, and polyethylene wear rate of relatively young patients. METHODS: We evaluated the outcome of consecutive patients receiving primary THA who were under 40 years of age with a minimum 10-year follow-up. Indications for THA in these patients were osteoarthritis due to developmental dysplasia of the hip joint (9 hips), osteonecrosis of the femoral head (7 hips), juvenile idiopathic arthritis (2 hips), and osteoarthritis due to Perthes disease (1 hip)...
May 27, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28552677/a-long-term-follow-up-study-of-the-development-of-hip-disease-in-mucopolysaccharidosis-type-vi
#9
Esmee Oussoren, Johannes H J M Bessems, Virginie Pollet, Jan C van der Meijden, Lianne J van der Giessen, Iris Plug, Annick S Devos, George J G Ruijter, Ans T van der Ploeg, Mirjam Langeveld
Hip problems in Mucopolysaccharidosis type VI (MPS VI) lead to severe disability. Lack of data on the course of hip disease in MPS VI make decisions regarding necessity, timing and type of surgical intervention difficult. We therefore studied the development of hip pathology in MPS VI patients over time. Data were collected as part of a prospective follow-up study. Standardized supine AP pelvis and frog leg lateral radiographs of both hips were performed yearly or every 2years. Image assessment was performed quantitatively (angle measurements) and qualitatively (hip morphology)...
May 19, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28538419/magnetic-resonance-imaging-evaluation-of-the-labrum-to-predict-acetabular-development-in-developmental-dysplasia-of-the-hip-a-strobe-compliant-study
#10
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
Recently, more attention has been paid to the role of the acetabular labrum. Therefore, we designed a retrospective cohort study of patients with residual hip dysplasia (RHD) who underwent magnetic resonance imaging (MRI). The objective of this study was to investigate an association between the MRI appearance of the labrum before school age and the natural history of RHD.We retrospectively investigated 45 hips of 40 patients who underwent MRI at about 3 and 4 years of age for RHD and were conservatively followed up with until 6 years of age or older...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28537348/a-cadaver-study-to-evaluate-the-accuracy-of-a-new-3d-mini-optical-navigation-tool-for-total-hip-arthroplasty
#11
Jonathan M Vigdorchik, Michael B Cross, Eric A Bogner, Theodore T Miller, Jeffrey M Muir, Ran Schwarzkopf
BACKGROUND: Accurate measurement of acetabular cup position (CP), changes in leg length (LL), and offset (OS) are paramount in ensuring proper sizing and implantation of components during total hip arthroplasty (THA). LL/OS inaccuracies can cause low back pain, neurological deficits, and patient dissatisfaction, while inaccurate positioning of the acetabular cup can lead to instability, dislocation, and, ultimately, revision surgery. The objective of this study was to evaluate the accuracy of a mini-navigation tool in measuring CP and LL/OS differential during THA...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28490330/comparative-measurements-of-bone-mineral-density-and-bone-contrast-values-in-canine-femora-using-dual-energy-x-ray-absorptiometry-and-conventional-digital-radiography
#12
K Lucas, I Nolte, V Galindo-Zamora, M Lerch, C Stukenborg-Colsman, B A Behrens, A Bouguecha, S Betancur, A Almohallami, P Wefstaedt
BACKGROUND: Aseptic loosening due to bone remodelling processes after total hip replacement is one common cause for revision surgery. In human medicine, dual-energy X-ray absorptiometry (DEXA) is the gold standard for quantitative evaluation of bone mineral density, whereas in veterinary medicine conventional radiography is used for follow-up studies. Recently, a method has been described using digital X-ray images for quantitative assessment of grey scale values of bone contrast. Therefore, the aim of the present study was to evaluate the correlation of bone mineral density (BMD) measured by DEXA with grey scale values (GV) measured in digital X-ray images (RX50, RX66) ex vivo...
May 11, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28456560/social-media-and-total-joint-arthroplasty-an-analysis-of-patient-utilization-on-instagram
#13
Prem N Ramkumar, Sergio M Navarro, Heather S Haeberle, Morad Chughtai, Megan E Flynn, Michael A Mont
BACKGROUND: The purpose of this study was to analyze the nature of shared content of total joint arthroplasty patients on Instagram. Specifically, we evaluated social media posts for: (1) perspective and timing; (2) tone; (3) focus (activities of daily living [ADLs], rehabilitation, return-to-work); and (4) the comparison between hip and knee arthroplasties. METHODS: A search of the public Instagram domain was performed over a 6-month period. Total hip and knee arthroplasties (THA and TKA) were selected for the analysis using the following terms: "#totalhipreplacement," "#totalkneereplacement," and associated terms...
April 6, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28451616/relationship-between-the-lateral-center-edge-angle-and-3-dimensional-acetabular-coverage
#14
James D Wylie, Ashley L Kapron, Christopher L Peters, Stephen K Aoki, Travis G Maak
BACKGROUND: The lateral center-edge angle (LCEA) is an important measurement in understanding acetabular morphology and has had multiple interpretations. Misunderstanding of the LCEA and its relationship with acetabular 3-dimensional (3D) morphology may result in misdiagnosis and poor outcomes. PURPOSE: To determine the discrepancy between bone-edge and sourcil-edge LCEA measurements on anteroposterior (AP) radiographs and to determine the 3D anatomic location of the sourcil-edge and bone-edge LCEA measurements...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28391177/iliocapsularis-technical-application-of-fine-wire-electromyography-and-direction-specific-action-during-maximum-voluntary-isometric-contractions
#15
Peter Lawrenson, Alison Grimaldi, Kay Crossley, Paul Hodges, Bill Vicenzino, Adam Ivan Semciw
The iliocapsularis muscle of the anterior hip may play an important role in hip function, but no electromyographic (EMG) recordings have been made. This muscle provides the most substantial muscular attachment to the anterior hip capsule and is hypothesised to have a dynamic role to limit capsular impingement and to augment joint stability. Current understanding of the function of iliocapsularis is based on limited cadaveric and radiographic studies. Located deep over the hip joint it would require intramuscular fine-wire EMG to evaluate its activity directly with limited cross-talk from overlying muscles...
March 27, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28382187/ultrasonographic-diagnosis-of-slipped-capital-femoral-epiphysis
#16
Manikandan Palaniappan, Venkatraman Indiran, Prabakaran Maduraimuthu
BACKGROUND: Slipped capital femoral epiphysis (SCFE), a fracture through the physis with resultant slip of the epiphysis, is the most common hip abnormality in adolescents and is a major cause of early osteoarthritis. Plain radiograph is the initial modality used to evaluate patients with painful hip joints. Ultrasonography and magnetic resonance imaging (MRI), which do not involve radiation exposure, have also been used. This case report supports the view that ultrasound can be used as an initial, cost-effective and radiation-free modality for the evaluation of suspected SCFE...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28377262/evaluation-of-malrotation-following-intramedullary-nailing-in-a-femoral-shaft-fracture-model-can-a-3d-c-arm-improve-accuracy
#17
Austin J Ramme, Jonathan Egol, Gregory Chang, Roy I Davidovitch, Sanjit Konda
INTRODUCTION: Difficulty determining anatomic rotation following intramedullary (IM) nailing of the femur continues to be problematic for surgeons. Clinical exam and fluoroscopic imaging of the hip and knee have been used to estimate femoral version, but are inaccurate. We hypothesize that 3D c-arm imaging can be used to accurately measure femoral version following IM nailing of femur fractures to prevent rotational malreduction. METHODS: A midshaft osteotomy was created in a femur Sawbone to simulate a transverse diaphyseal fracture...
March 31, 2017: Injury
https://www.readbyqxmd.com/read/28350548/pelvic-discontinuity-associated-with-total-hip-arthroplasty-evaluation-and-management
#18
Matthew P Abdel, Robert T Trousdale, Daniel J Berry
Pelvic discontinuity is a challenging complication encountered during revision total hip arthroplasty. Pelvic discontinuity is defined as a separation of the ilium superiorly from the ischiopubic segment inferiorly and is typically a chronic condition in failed total hip arthroplasties in the setting of bone loss. After a history and a physical examination have been completed and infection has been ruled out, appropriate imaging must be obtained, including plain hip radiographs, oblique Judet radiographs, and often a CT scan...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28341265/does-a-titanium-sleeve-reduce-the-frequency-of-pseudotumors-in-metal-on-metal-total-hip-arthroplasty-at-5-7years-follow-up
#19
M H Hjorth, N Egund, I Mechlenburg, J Gelineck, S S Jakobsen, K Soballe, M Stilling
INTRODUCTION: Little is known about pseudotumor frequency and risk factors for pseudotumor formation among different types of metal-on-metal (MoM) hip arthroplasties. A lower release of chromium and cobalt have been reported in MoM hip arthroplasties with a titanium sleeve compared to MoM designs without a titanium sleeve, but yet it is unknown whether a titanium sleeve reduces the pseudotumor frequency. We conducted a cross-sectional study to investigate: 1) pseudotumor frequency, 2) risk factors of pseudotumor formation 3) and correlations between pseudotumors, serum metal-ions, implant position, and clinical symptoms...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28332125/osteoarthritis-of-the-hip-joint-in-elderly-patients-is-most-commonly-atrophic-with-low-parameters-of-acetabular-dysplasia-and-possible-involvement-of-osteoporosis
#20
Yasuhiro Ishidou, Kanehiro Matsuyama, Daisuke Sakuma, Takao Setoguchi, Satoshi Nagano, Ichiro Kawamura, Shingo Maeda, Setsuro Komiya
As elderly patients with hip osteoarthritis aged, acetabular dysplasia parameters decreased (Sharp's angle, acetabular roof obliquity angle, and acetabular head index) and the incidence of the atrophic type increased. Vertebral body fracture was more frequent in the atrophic type, suggesting the involvement of osteoporosis at the onset of hip osteoarthritis. INTRODUCTION: Osteoarthritis (OA) is associated with increased bone formation at a local site. However, excessive bone resorption has also been found to occur in the early stages of OA...
December 2017: Archives of Osteoporosis
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