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https://www.readbyqxmd.com/read/28075436/gait-kinematic-deviations-in-patients-with-developmental-dysplasia-of-the-hip-treated-with-total-hip-arthroplasty
#1
Yong Nie, Ning Ning, Fuxing Pei, Bin Shen, Zongke Zhou, Zongming Li
Comprehensive gait analysis of patients with Crowe type II and III developmental dysplasia of the hip (DDH) after successful total hip arthroplasty (THA) is lacking in the literature. This study evaluated gait function in joint kinematics after unilateral and bilateral THA in patients with DDH. In addition, the effect of high cup position on gait function was investigated. A total of 16 unilateral and 15 bilateral cementless THA patients due to DDH and 10 healthy participants comprised the study population...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28066739/hip-instability-a-review-of-hip-dysplasia-and-other-contributing-factors
#2
REVIEW
Matthew J Kraeutler, Tigran Garabekyan, Cecilia Pascual-Garrido, Omer Mei-Dan
BACKGROUND: Hip instability has classically been associated with developmental dysplasia of the hip (DDH) in newborns and children. However, numerous factors may contribute to hip instability in children, adolescents, and adults. PURPOSE: This review aims to concisely present the literature on hip instability in patients of all ages in order to guide health care professionals in the appropriate diagnosis and treatment of the various disorders which may contribute to an unstable hip...
July 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28053253/minimally-invasive-periacetabular-osteotomy-using-a-modified-smith-petersen-approach-technique-and-early-outcomes
#3
O H Khan, A Malviya, P Subramanian, D Agolley, J D Witt
AIMS: Periacetabular osteotomy is an effective way of treating symptomatic hip dysplasia. We describe a new minimally invasive technique using a modification of the Smith-Peterson approach. We performed a prospective, longitudinal cohort study to assess for any compromise in acetabular correction when using this approach, and to see if the procedure would have a higher complication rate than that quoted in the literature for other approaches. We also assessed for any improvement in functional outcome...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28040300/neptuniibacter-pectenicola-sp-nov-and-neptuniibacter-marinus-sp-nov-two-novel-species-isolated-from-a-great-scallop-pecten-maximus-hatchery-in-norway-and-emended-description-of-the-genus-neptuniibacter
#4
Ana L Diéguez, Sabela Balboa, Thorolf Magnesen, Jesús L Romalde
Nine isolates obtained from a great scallop hatchery in Norway were characterized using a polyphasic approach. Strains were Gram-negative, aerobic and motile rods with oxidative metabolism. Phylogenetic analysis based on the sequences of 16S rRNA and rpoB genes showed that these strains formed two different groups associated with members of the genus Neptuniibacter. DNA-DNA hybridization (DDH) and Average Nucleotide Identity (ANI) demonstrated that the isolates constituted two novel species of this genus, which can be phenotypically differentiated from their closest relatives...
December 21, 2016: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28032035/seasonal-variation-in-adult-hip-disease-secondary-to-osteoarthritis-and-developmental-dysplasia-of-the-hip
#5
Tatsuya Sueyoshi, Merrill A Ritter, Kenneth E Davis, Randall T Loder
AIM: To determine if there was a seasonal variation in adults undergoing total hip arthroplasty for end stage hip disease due to osteoarthritis (OA) or sequelae of developmental dysplasia of the hip (DDH). METHODS: The total hip registry from the author's institution for the years 1969 to 2013 was reviewed. The month of birth, age, gender, and ethnicity was recorded. Differences between number of births observed and expected in the winter months (October through February) and non-winter mo (March through September) were analyzed with the χ(2) test...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28025728/semiautomatic-classification-of-acetabular-shape-from-three-dimensional-ultrasound-for-diagnosis-of-infant-hip-dysplasia-using-geometric-features
#6
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko
PURPOSE: Developmental dysplasia of the hip (DDH) is a congenital deformity which in severe cases leads to hip dislocation and in milder cases to premature osteoarthritis. Image-aided diagnosis of DDH is partly based on Graf classification which quantifies the acetabular shape seen at two-dimensional ultrasound (2DUS), which leads to high inter-scan variance. 3D ultrasound (3DUS) is a promising alternative for more reliable DDH diagnosis. However, manual quantification of acetabular shape from 3DUS is cumbersome...
December 26, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28017958/theoretical-implications-of-periacetabular-osteotomy-in-various-dysplastic-acetabular-cartilage-defects-as-determined-by-finite-element-analysis
#7
Meng Xu, Wenrui Qu, Yanbing Wang, Lei Zhong, Zhe Zhu, Wei Li, Xin Zhao, Jincheng Wang, Yu Sun
BACKGROUND Different extents and locations of acetabular cartilage defect have been supposed to be a major cause of undesirable outcomes of periacetabular osteotomy (PAO) in patients with developmental dysplasia of the hip (DDH). This study aimed to verify whether different locations of cartilage deficiency affect the biomechanical environment in a three-dimensional model utilizing finite element analysis (FEA). MATERIAL AND METHODS We developed 3 DDH models - DDH-1 (normal shape), DDH-2 (superior defect), and DDH-3 (anterosuperior defect) - by deforming from a normal hip model...
December 26, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28004172/hydrophobic-ionic-liquids-for-quantitative-bacterial-cell-lysis-with-subsequent-dna-quantification
#8
Sabine Fuchs-Telka, Susanne Fister, Patrick-Julian Mester, Martin Wagner, Peter Rossmanith
DNA is one of the most frequently analyzed molecules in the life sciences. In this article we describe a simple and fast protocol for quantitative DNA isolation from bacteria based on hydrophobic ionic liquid supported cell lysis at elevated temperatures (120-150 °C) for subsequent PCR-based analysis. From a set of five hydrophobic ionic liquids, 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide was identified as the most suitable for quantitative cell lysis and DNA extraction because of limited quantitative PCR inhibition by the aqueous eluate as well as no detectable DNA uptake...
December 21, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28002921/restoring-the-femoral-offset-prevent-early-migration-of-the-stem-in-total-hip-arthroplasty-an-ebra-fca-study
#9
G Vicenti, G Solarino, A Spinarelli, M Carrozzo, G Picca, R Maddalena, F Rifino, B Moretti
The use of modular stems is still debated and controversial. Some authors have highlighted a number of disadvantages of modular prostheses including high costs, the tendency to fracture, the fretting and corrosion and the increased production of debris. Other authors have emphasized several advantages to adapt the prosthesis to the morphometric differences of patients, to allow better accuracy in restoring the anatomy and biomechanics of hip joint. The advantages of the modular devices appear to be more evident in patients with developmental dysplasia of the hip (DDH)...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27994917/altered-chondrocyte-apoptosis-status-in-developmental-hip-dysplasia-in-rabbits
#10
Yi-Shan Wei, Dai-He Li, Wan-Lin Liu, Dian-Ming Jiang
BACKGROUND: Developmental dysplasia of the hip (DDH) is an important factor leading to early adult osteoarthritis. Chondrocyte apoptosis has been proven to be an important factor causing osteoarthritis. AIMS: The current study aims to explore whether a rabbit model of developmental dysplasia of the hip through cast immobilization in the legs results in chondrocyte apoptosis. STUDY DESIGN: Animal experimentation. METHODS: Thirty-two New Zealand white rabbits were divided in three groups with cast plaster-induced dislocation at 2, 4 and 6 weeks...
November 2016: Balkan Medical Journal
https://www.readbyqxmd.com/read/27979662/exploring-the-experiences-of-parents-caring-for-infants-with-developmental-dysplasia-of-the-hip-attending-a-dedicated-clinic
#11
REVIEW
Heather J Jennings, Martina Gooney, Joseph O'Beirne, Linda Sheahan
Specialised DDH (developmental dysplasion of the hip) clinics are developing around Ireland but are, however, variable in how they are operated. A DDH clinic was set up in the South-east of Ireland in 2002 with the goal of achieving an integrated care pathway between the orthopaedic surgical team and nursing team, working to an explicit protocol while also fostering a strong collaboration with the ultrasound department. This paper aims to explore the effectiveness of this dedicated clinic in the Southeast of Ireland...
November 5, 2016: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/27974165/retrospective-multicenter-analysis-of-the-accuracy-of-clinical-examination-by-community-physicians-in-diagnosing-developmental-dysplasia-of-the-hip
#12
Patrick Joseph Groarke, Louise McLoughlin, Laura Whitla, Paul Lennon, William Curtin, Paula Marie Kelly
OBJECTIVES: To determine among general practitioners (GPs) the most common clinical findings that raised concern for developmental dysplasia of the hip (DDH) and necessitated an orthopedic outpatient referral. In addition, we assessed the sensitivity and specificity of the most common of these clinical findings. STUDY DESIGN: We performed a multicenter retrospective review of all referrals by GPs to local orthopedic outpatient departments for DDH over a 12-month period...
December 12, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27965637/genome-sequencing-of-sulfolobus-sp-a20-from-costa-rica-and-comparative-analyses-of-the-putative-pathways-of-carbon-nitrogen-and-sulfur-metabolism-in-various-sulfolobus-strains
#13
Xin Dai, Haina Wang, Zhenfeng Zhang, Kuan Li, Xiaoling Zhang, Marielos Mora-López, Chengying Jiang, Chang Liu, Li Wang, Yaxin Zhu, Walter Hernández-Ascencio, Zhiyang Dong, Li Huang
The genome of Sulfolobus sp. A20 isolated from a hot spring in Costa Rica was sequenced. This circular genome of the strain is 2,688,317 bp in size and 34.8% in G+C content, and contains 2591 open reading frames (ORFs). Strain A20 shares ~95.6% identity at the 16S rRNA gene sequence level and <30% DNA-DNA hybridization (DDH) values with the most closely related known Sulfolobus species (i.e., Sulfolobus islandicus and Sulfolobus solfataricus), suggesting that it represents a novel Sulfolobus species. Comparison of the genome of strain A20 with those of the type strains of S...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27956127/three-dimensional-host-bone-coverage-in-total-hip-arthroplasty-for-crowe-types-ii-and-iii-developmental-dysplasia-of-the-hip
#14
Jiawei Xu, Xinhua Qu, Huiwu Li, Yuanqing Mao, Degang Yu, Zhenan Zhu
BACKGROUND: Recommendations for minimum cup coverage based on anteroposterior radiographs are widely used as an intraoperative guide in total hip arthroplasty for patients with developmental dysplasia of the hip. The purpose of this study was to examine the validity of two-dimensional (2D) measurement of coverage with three-dimensional (3D) coverage and to identify parameters for determining the 3D coverage during surgery. METHODS: We developed a technique to accurately reproduce the intraoperative anatomic geometry of the dysplastic acetabulum and measure the 3D cup coverage postoperatively...
November 17, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27940740/evaluation-and-referral-for-developmental-dysplasia-of-the-hip-in-infants
#15
Brian A Shaw, Lee S Segal
Developmental dysplasia of the hip (DDH) encompasses a wide spectrum of clinical severity, from mild developmental abnormalities to frank dislocation. Clinical hip instability occurs in 1% to 2% of full-term infants, and up to 15% have hip instability or hip immaturity detectable by imaging studies. Hip dysplasia is the most common cause of hip arthritis in women younger than 40 years and accounts for 5% to 10% of all total hip replacements in the United States. Newborn and periodic screening have been practiced for decades, because DDH is clinically silent during the first year of life, can be treated more effectively if detected early, and can have severe consequences if left untreated...
December 2016: Pediatrics
https://www.readbyqxmd.com/read/27923597/long-term-results-of-cementless-total-hip-arthroplasty-with-subtrochanteric-shortening-osteotomy-in-crowe-type-iv-developmental-dysplasia
#16
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
#17
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
#18
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
#19
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...
December 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
#20
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
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