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https://www.readbyqxmd.com/read/27923597/long-term-results-of-cementless-total-hip-arthroplasty-with-subtrochanteric-shortening-osteotomy-in-crowe-type-iv-developmental-dysplasia
#1
Duan Wang, Ling-Li Li, Hao-Yang Wang, Fu-Xing Pei, Zong-Ke Zhou
BACKGROUND: When surgeons reconstruct hips with a high dislocation related to severe developmental dysplasia of the hip (DDH) in total hip arthroplasty (THA), archiving long-term stable implant fixation and improving patient function and satisfaction remain challenging. The purpose of this study was to evaluate the 10-year outcomes of transverse subtrochanteric shortening osteotomy in cementless, modular THA in Crowe type IV-Hartofilakidis type III DDH. METHODS: We reviewed 62 patients (76 hips) who underwent cementless THA with transverse subtrochanteric shortening osteotomy from 2002-2010...
November 15, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27874150/the-radiological-research-for-pelvis-asymmetry-of-unilateral-developmental-dysplasia-of-the-hip-in-adult
#2
Ya-Min Li, Jue-Hong Li, Bin Li, Jia-Xing Wang, Yun-Su Chen
To investigate whether adult patients with unilateral developmental dysplasia of the hip (UDDH) have pelvic asymmetry and what correlation existing between them. Methods: A total of 100 adult patients with UDDH were enrolled in the retrospective observational study in Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China, between January 2012 and February 2014. The anteroposterior pelvic radiographs were reviewed and the pelvic heights and ischium heights were measured and compared between the affected and non-affected sides to find out the relationship between the pelvic morphology and hip dysplasia...
December 2016: Saudi Medical Journal
https://www.readbyqxmd.com/read/27866823/relative-risk-and-incidence-for-developmental-dysplasia-of-the-hip
#3
Virginie Pollet, Vanessa Percy, Heather J Prior
OBJECTIVE: To determine the incidence and associated risk factors of developmental dysplasia of the hip (DDH) in a modern population without universal screening. STUDY DESIGN: Children with DDH were identified from the Manitoba Centre for Health Policy's Data Repository by the use of International Classification of Diseases diagnosis codes as well as physician billing tariffs for surgical procedures for DDH for all children born between 1995 and 2012. To identify the outpatient-treated patients, ultrasound scans and radiographic imaging for DDH were reviewed for 2004-2012...
November 18, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27866316/epidemiology-of-developmental-dysplasia-of-the-hip-within-the-uk-refining-the-risk-factors
#4
Timothy Woodacre, Thomas Ball, Peter Cox
PURPOSE: The epidemiology and risk factors for developmental dysplasia of the hip (DDH) are still being refined. We investigated the local epidemiology of DDH in order to define incidence, identify risk factors, and refine our policy on selective ultrasound screening. METHODS: With a cohort study design, data were prospectively recorded on all live births in our region from January 1998 to December 2008. We compared data on babies treated for DDH with data for all other children...
November 19, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27853489/measuring-the-effect-of-filters-on-segmentation-of-developmental-dysplasia-of-the-hip
#5
Hasan Erdinc Kocer, Kerim Kursat Cevik, Mesut Sivri, Mustafa Koplay
BACKGROUND: Developmental dysplasia of the hip (DDH) can be detected with ultrasonography (USG) images. However, the accuracy of this method is dependent on the skill of the radiologist. Radiologists measure the hip joint angles without computer-based diagnostic systems. This causes mistakes in the diagnosis of DDH. OBJECTIVES: In this study, we aimed to automate segmentation of DDH ultrasound images in order to make it convenient for radiologic diagnosis by this recommended system...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27847852/assessment-of-diagnostic-value-of-single-view-dynamic-technique-in-diagnosis-of-developmental-dysplasia-of-hip-a-comparison-with-static-and-dynamic-ultrasond-techniques
#6
Seyed Ali Alamdaran, Sahar Kazemi, Ali Parsa, Mohammad Hallaj Moghadam, Ali Feyzi, Reza Mardani
BACKGROUND: Developmental dysplasia of hip (DDH) is a common childhood disorder, and ultrasonography examination is routinely used for screening purposes. In this study, we aimed to evaluate a modified combined static and dynamic ultrasound technique for the detection of DDH and to compare with the results of static and dynamic ultrasound techniques. METHODS: In this cross-sectional study, during 2013- 2015, 300 high-risk infants were evaluated by ultrasound for DDH...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27837399/reconstruction-of-the-shallow-acetabulum-with-a-combination-of-autologous-bulk-and-impaction-bone-grafting-fixed-by-cement
#7
Masaaki Maruyama, Shinji Wakabayashi, Hiroshi Ota, Keiji Tensho
BACKGROUND: Acetabular bone deficiency, especially proximal and lateral deficiency, is a difficult technical problem during primary total hip arthroplasty (THA) in developmental dysplasia of the hip (DDH). We report a new reconstruction method using a medial-reduced cemented socket and additional bulk bone in conjunction with impaction morselized bone grafting (additional bulk bone grafting method). QUESTIONS/PURPOSES: In a population of patients with acetabular dysplasia undergoing THA using a medial-reduced cemented socket and additional bulk bone with impacted morselized bone grafting, we evaluated (1) the radiographic appearance of bone graft; (2) the proportion of cups that developed loosening and subsequent revision; and (3) clinical results (outcome scores and complications)...
November 11, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27836678/finite-element-analysis-of-mechanical-behavior-of-human-dysplastic-hip-joints-a-systematic-review
#8
REVIEW
B Vafaeian, D Zonoobi, M Mabee, A R Hareendranathan, M El-Rich, S Adeeb, J L Jaremko
Developmental dysplasia of the hip (DDH) is a common condition predisposing to osteoarthritis (OA). Especially since DDH is best identified and treated in infancy before bones ossify, there is surprisingly a near-complete absence of literature examining mechanical behavior of infant dysplastic hips. We sought to identify current practice in finite element modeling (FEM) of DDH, to inform future modeling of infant dysplastic hips. We performed multi-database systematic review using PRISMA criteria. Abstracts (n = 126) fulfilling inclusion criteria were screened for methodological quality, and results were analyzed and summarized for eligible articles (n = 12)...
November 9, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27815008/the-distribution-of-impingement-region-in-cam-type-femoroacetabular-impingement-and-borderline-dysplasia-of-the-hip-with-or-without-cam-deformity-a-computer-simulation-study
#9
Naomi Kobayashi, Yutaka Inaba, So Kubota, So Nakamura, Taro Tezuka, Yohei Yukizawa, Hyonmin Choe, Tomoyuki Saito
PURPOSE: To identify the distribution of the impingement region in cam-type femoroacetabular impingement (FAI) or patients with borderline developmental dysplasia of the hip (DDH) using computer simulation analysis. METHODS: A total of 51 painful hip joints from 42 consecutive cases diagnosed as cam-type FAI (center edge [CE] angle ≥ 25°, alpha angle ≥ 55°) or borderline DDH (CE angle ≥ 20° and < 25°) with or without a cam deformity (alpha angle ≥ 55° or < 55°) were enrolled...
November 1, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27812914/avascular-necrosis-following-closed-reduction-for-treatment-of-developmental-dysplasia-of-the-hip-a-systematic-review
#10
Catharine S Bradley, Daniel C Perry, John H Wedge, M L Murnaghan, Simon P Kelley
BACKGROUND: Avascular necrosis (AVN) is a significant and potentially devastating complication following the treatment of developmental dysplasia of the hip (DDH). The reported rate of AVN following closed reduction for DDH ranges from 4 to 60%, and the resultant influence on hip development remains unclear. PURPOSE: A systematic review of the literature was undertaken to evaluate the frequency of AVN after more than 5 years of follow-up in children that underwent closed reduction at younger than 2-years of age for DDH...
November 3, 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27803233/a-protocol-for-the-use-of-closed-reduction-in-children-with-developmental-dysplasia-of-the-hip-incorporating-open-psoas-and-adductor-releases-and-a-short-leg-cast-mid-term-outcomes-in-113-hips
#11
S J Tennant, D M Eastwood, P Calder, A Hashemi-Nejad, A Catterall
AIMS: Our aim was to assess the effectiveness of a protocol involving a standardised closed reduction for the treatment of children with developmental dysplasia of the hip (DDH) in maintaining reduction and to report the mid-term results. METHODS: A total of 133 hips in 120 children aged less than two years who underwent closed reduction, with a minimum follow-up of five years or until subsequent surgery, were included in the study. The protocol defines the criteria for an acceptable reduction and the indications for a concomitant soft-tissue release...
November 2016: Bone & Joint Journal
https://www.readbyqxmd.com/read/27791237/preoperative-planning-of-total-hip-arthroplasty-on-dysplastic-acetabuli
#12
Dror Lakstein, Zachary Tan, Nugzar Oren, Tatu Johannes Mäkinen, Allan E Gross, Oleg Safir
BACKGROUND: When performing total hip arthroplasty (THA) on a dysplastic hip, proper positioning of the acetabular component may not allow for more than 70% coverage. Structural support in the form of an autograft or a high porosity metal augment may be necessary. The purpose of the study was to investigate the value of preoperative templating and deformity classification in predicting cup coverage and the need for structural support. METHODS: 65 cases of THA for DDH were retrospectively analysed...
October 24, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27783201/comparison-of-rotational-acetabular-osteotomy-performed-with-navigation-by-surgeons-with-different-levels-of-experience-of-osteotomies
#13
Masaki Takao, Takashi Nishii, Takashi Sakai, Nobuhiko Sugano
PURPOSE: Rotational acetabular osteotomy (RAO) is used to treat developmental hip dysplasia (DDH). It requires detailed anatomical knowledge of the pelvic anatomy and three-dimensional cognitive skills. We addressed whether a computer navigation system combined with a preoperative computed tomography-based plan enabled surgeons to perform RAO safely and reliably through a mini-incision regardless of their level of experience with performing osteotomies. METHODS: We enrolled 24 patients (25 hips) with DDH (radiographic grade 0 or 1 osteoarthritic changes: Tönnis classification)...
October 25, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27768217/normal-values-and-variation-of-radiographic-and-ct-infant-lateral-iliac-wall-angles-in-normal-and-dysplastic-hips
#14
Vimarsha G Swami, Lei Liu, Myles Mabee, Jacob L Jaremko
PURPOSE: Indices from 3-D ultrasound may have a role in developmental dysplasia of the hip (DDH) assessment, but require a way to determine spatial orientation relative to body axes. The lateral iliac wall angle is a potentially suitable reference axis in 3-D ultrasound. We sought to quantify normal values and variations of the infant iliac wall angle on radiography, and compare with computed tomography (CT). METHODS: Acetabular and lateral iliac angles were measured on frontal pelvic radiographs of 200 patients (400 hips, 183 with DDH) and coronal CT of 20 patients (40 hips) aged 0-12 months...
October 15, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27761220/targeted-screening-of-hip-dysplasia-in-newborns-experience-at-a-district-general-hospital-in-scotland
#15
Rahul Tyagi, Marcin R Zgoda, Rachel Short
National Health Service Quality Improvement Scotland (NHS QIS) published a health technology scoping report in 2006 acknowledging that there are serious concerns within Scotland in relation to Developmental Dysplasia of Hip (DDH) as there is no formal screening program in place and there are significant variations between NHS boards leading to confusion for staff and parents. NHS QIS identified need for audit work to improve hip screening in Scotland. The aim of this study is review of current practice of selective screening for DDH...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27760659/-study-on-the-impact-of-labro-chondral-complex-on-development-of-the-acetabulum-after-close-reduction-in-developmental-dysplasia-of-the-hip
#16
X M Lü, C Feng, Y F Dong, G Fu, Y Guo
Objective: To explore the influence of the labro-chondral complex (LLC) on the development of the acetabulum after close reduction in developmental dysplasia of the hip (DDH). Methods: Sixty-one cases (72 hips) with DDH presented in Beijing Jishuitan Hospital were reviewed, all the patients were treated by closed reduction, arthrogram and Spica casting from March 2010 to December 2013. The anterior-posterior pelvic radiography was performed to evaluate the morphology of the labro-chondral complex and reduction of the hip...
October 11, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27706761/correlation-of-acetabular-chondrocyte-apoptosis-with-caspase-3-and-bcl-2-expression-in-developmental-dislocations-of-the-hip
#17
L J Ding, Y L Liu, G Ma, Y Q Jia, Y S H Wei, X M Liu
This study aimed to determine whether abnormal apoptosis is present in acetabular cartilage in early developmental dislocations of the hip (DDH), and if so, whether it is correlated with the expression of caspase-3 and Bcl-2. DDH was induced in 24 4-week-old New Zealand white rabbits. Acetabular cartilage specimens from the experimental and control groups were stained with hematoxylin and eosin (H&E). Animals from the experimental group developed acetabular dysplasia. Apoptotic chondrocytes were observed by ultrastructural electron microscopy and H&E...
September 23, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27702487/attenuating-l-lysine-production-by-deletion-of-ddh-and-lyse-and-their-effect-on-l-threonine-and-l-isoleucine-production-in-corynebacterium-glutamicum
#18
Xunyan Dong, Yue Zhao, Jinyu Hu, Ye Li, Xiaoyuan Wang
The fermentative production of l-threonine and l-isoleucine with Corynebacterium glutamicum is usually accompanied by the by-production of l-lysine, which shares partial biosynthesis pathway with l-threonine and l-isoleucine. Since the direct precursor for l-lysine synthesis, diaminopimelate, is a component of peptidoglycan and thus essential for cell wall synthesis, reducing l-lysine by-production could be troublesome. Here, a basal strain with eliminated l-lysine production was constructed from the wild type C...
November 2016: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/27698744/clinical-evaluation-of-ultrasound-screening-in-follow-up-visits-of-infants-with-cerebral-palsy-at-high-risk-for-developmental-dysplasia-of-the-hip
#19
Aizhen Qiu, Zhongxiu Yang, Jiping Wang, Taotao Wang
The aim of the study was to assess the clinical value of ultrasound screenings for the developmental dysplasia of the hip (DDH) and explore its etiology in high-risk infants with cerebral palsy in follow-up visits. A group of 98 cases of infants at high-risk of cerebral palsy who received rehabilitation treatment between July, 2009 and July, 2010 were selected. Infants included 58 men and 40 women, aged <6 months and not lost to follow-up visits. Ultrasound (using Graf static inspection) screening of hips was performed and the infants with abnormalities were given clinical intervention, and 1- to 2-year-old infants were given outpatient follow-ups...
October 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27692046/transfer-of-the-potato-plant-isolates-of-pectobacterium-wasabiae-to-pectobacterium-parmentieri-sp-nov
#20
Denis Faure, Slimane Khayi, Jérémy Cigna, Teik Min Chong, Angélique Quêtu-Laurent, Kok Gan Chan, Valérie Hélias
Pectobacterium wasabiae was originally isolated from Japanese horseradish (Eutrema wasabi), but recently some Pectobacterium isolates collected from potato plants and tubers displaying blackleg and soft rot symptoms were also assigned to P. wasabiae. Here, combining genomic and phenotypical data, we reevaluated their taxonomical position. PacBio and Illumina technologies were used to complete the genome sequence of P. wasabiae CFBP 3304T and RNS 08-42-1A. MLSA showed that the Pectobacterium wasabiae strains RNS 08-42-1A, SCC3193, CFIA1002 and WPP163, which were collected from potato plant environment, constituted a separate clade from the originating Japanese horseradish P...
September 26, 2016: International Journal of Systematic and Evolutionary Microbiology
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