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https://www.readbyqxmd.com/read/28427427/association-between-the-ossific-nucleus-and-osteonecrosis-in-treating-developmental-dysplasia-of-the-hip-updated-meta-analysis
#1
Rafal Niziol, Michael Elvey, Evangelia Protopapa, Andreas Roposch
BACKGROUND: A meta-analysis concluded that there was no effect of the femoral head ossification and the incidence of osteonecrosis in the treatment of developmental dysplasia of the hip (DDH), unless only osteonecrosis grades II-IV were considered. The meta-analysis, limited due to the small number of studies available at that time, identified a need for an update as further research emerges. We observed a trend in recent years towards delaying treatment of DDH in the absence of an ossified nucleus...
April 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28419886/total-hip-arthroplasty-for-patients-with-crowe-type-iv-developmental-dysplasia-of-the-hip-ten-years-results
#2
Wei-Nan Zeng, Jun-Li Liu, Fu-You Wang, Xin Zhang, Hua-Quan Fan, Guang-Xing Chen, Lin Guo, Xiao-Jun Duan, Qiang Zhou, Liu Yang
BACKGROUND AND OBJECTIVES: The aim of this study was to determine the rate of union, functional results and complications in patients with Crowe IV developmental dysplasia of the hip (DDH) who underwent cementless total hip arthroplasty (THA) with S-ROM prostheses and subtrochanteric transverse shortening osteotomy. METHODS: Forty-five patients (52 hips) operated between January 2005 and May 2008, with a mean age of 40.6 years at surgery were followed. The mean follow-up period was 9...
April 15, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28405809/measurement-considerations-on-examiner-dependent-factors-in-the-ultrasound-assessment-of-developmental-dysplasia-of-the-hip
#3
Alexander Kolb, Emir Benca, Madeleine Willegger, Stephan E Puchner, Reinhard Windhager, Catharina Chiari
PURPOSE: The standardized sonographic hip screening according to Graf has increased reliability and comparability of measurements in the screening of developmental dysplasia of the hip (DDH). However, examiner dependent factors have been discussed to influence sonographic measurements. The objectives of this study were to examine the tolerance of the transducer positioning and to analyse the impact of transducer inclinations on Graf's hip grading system. MATERIALS AND METHODS: Twenty-four hips in consecutive newborns were screened sonographically in combination with an optoelectronic motion capture system to trace transducer positions in space...
April 12, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28386583/the-demographics-of-canine-hip-dysplasia-in-the-united-states-and-canada
#4
Randall T Loder, Rory J Todhunter
Canine hip dysplasia (CHD) is a common problem in veterinary medicine. We report the demographics of CHD using the entire hip dysplasia registry from the Orthopedic Foundation for Animals, analyzing differences by breed, sex, laterality, seasonal variation in birth, and latitude. There were 921,046 unique records. Each dog was classified using the American Kennel Club (AKC) and Fédération Cynologique Internationale (FCI) systems. Statistical analysis was performed with bivariate and logistic regression procedures...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28375895/the-relationship-between-subluxation-percentage-of-the-femoroacetabular-joint-and-acetabular-width-in-asian-women-with-developmental-dysplasia-of-the-hip
#5
Yaichiro Okuzu, Koji Goto, Tomotoshi Kawata, Kazutaka So, Yutaka Kuroda, Shuichi Matsuda
BACKGROUND: Implantation of the acetabular cup insert in the "true" location of the acetabulum is a fundamental principle of total hip arthroplasty for the treatment of secondary osteoarthritis due to developmental dysplasia of the hip (DDH). As knowledge of the morphology of the acetabulum is required for accurate placement, we investigated the relationship between acetabular width and the Crowe classification of subluxation percentage of the hip. We also analyzed factors associated with the acetabular width ratio (AWR), defined as the acetabular width of the dysplastic hip divided by that of the unaffected, contralateral hip...
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28372341/ultrasonography-of-the-pediatric-hip-and-spine
#6
Yeo Ryang Kang, Joonbum Koo
Ultrasonography (US) is a useful screening method for the diagnosis of developmental dysplasia of the hip (DDH) and congenital spinal anomalies in infants. In addition, US is a useful, noninvasive imaging modality for the diagnosis of transient synovitis in children. The early detection of DDH leads to a better prognosis without surgical intervention. Moreover, spinal US allows the detection of congenital malformations and can also demonstrate normal anatomy and normal variants that may resemble disorders. Therefore, radiologists should be familiar with the sonographic anatomy of the normal infant hip, scanning and measurement techniques for DDH, the US features of transient synovitis in children, spinal US techniques, and the US features of normal anatomical structures, normal variants, and congenital spinal anomalies...
February 22, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28330166/a-molecular-phylogenetic-framework-for-bacillus-subtilis-using-genome-sequences-and-its-application-to-bacillus-subtilis-subspecies-stecoris-strain-d7xpn1-an-isolate-from-a-commercial-food-waste-degrading-bioreactor
#7
Joseph Adelskov, Bharat K C Patel
A thermophilic, heterotrophic and facultatively anaerobic bacterium designated strain D7XPN1 was isolated from Baku BakuKing™, a commercial food-waste degrading bioreactor (composter). The strain grew optimally at 45 °C (growth range between 24 and 50 °C) and pH 7 (growth pH range between pH 5 and 9) in Luria Broth supplemented with 0.3 % glucose. Strain D7XPN1 tolerated up to 7 % NaCl and showed amylolytic and xylanolytic activities. 16S rRNA gene analysis placed strain D7XPN1 in the cluster represented by Bacillus subtilis and the genome analysis of the 4...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28327142/exome-sequencing-identified-rare-variants-in-genes-hspg2-and-atp2b4-in-a-family-segregating-developmental-dysplasia-of-the-hip
#8
Sulman Basit, Alia M Albalawi, Essa Alharby, Khalid I Khoshhal
BACKGROUND: Developmental dysplasia of the hip (DDH) is a common pathological condition of the musculoskeletal system in infants which results in a congenital and developmental malformation of the hip joint. DDH is a spectrum of pathologies affecting the infant hip ranging from asymptomatic subtle radiographic signs through mild instability to frank dislocations with acetabular dysplasia. A Saudi family with three affected individuals with DDH was identified and genetic analysis was performed to detect the possible genetic defect(s) underlying DDH in the affected members of the family...
March 21, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28322290/3d-printed-navigation-template-in-proximal-femoral-osteotomy-for-older-children-with-developmental-dysplasia-of-the-hip
#9
Pengfei Zheng, Peng Xu, Qingqiang Yao, Kai Tang, Yue Lou
To explore the feasibility of 3D-printed navigation template in proximal femoral varus rotation and shortening osteotomy for older children with developmental dysplasia of the hip (DDH). Between June 2014 and May 2015, navigation templates were designed and used for 12 DDH patients. Surgical information and outcomes were compared to 13 patients undergoing the same surgery but without navigation template. In template-guided patient group, operation time (21.08 min vs. 46.92 min), number of X-ray exposures (3...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28320362/early-dynamic-ultrasound-for-neonatal-hip-instability-implications-for-rural-australia
#10
Susan L Charlton, Adrian Schoo, Lucie Walters
BACKGROUND: Neonatal instability of the hip (NIH), where the femoral head can move away from the acetabulum, in the first weeks of life, is an important risk factor for developmental dysplasia of the hip (DDH). In rural areas in Australia, there is a recent trend to increased late diagnosis of DDH. Clinical screening of infant hips, a common practice in Australia, is experience dependent. Best practice early screening techniques are still debated with different techniques and timing used internationally...
March 21, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28302080/population-based-study-of-the-incidence-of-congenital-hip-dysplasia-in-preterm-infants-from-the-survey-of-neonates-in-pomerania-snip
#11
A E Lange, J Lange, Till Ittermann, M Napp, Paul-Christian Krueger, H Bahlmann, R Kasch, M Heckmann
BACKGROUND: Some etiological factors involved in developmental dysplasia of the hip (DDH) occur in the last trimester of pregnancy, which could result in a decreased incidence of DDH in preterm infants. The aim of this study was to compare the incidence of DDH between preterm and term infants. METHODS: Ultrasound of the hip joint was performed in 2,534 term infants and 376 preterm infants within the population-based Survey of Neonates in Pomerania (SNiP) study. RESULTS: A total of 42 (1...
March 16, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28291651/challenges-in-total-hip-arthroplasty-in-the-setting-of-developmental-dysplasia-of-the-hip
#12
Eric M Greber, Christopher E Pelt, Jeremy M Gililland, Mike B Anderson, Jill A Erickson, Christopher L Peters
BACKGROUND: Developmental dysplasia of the hip (DDH) is a recognized cause of secondary arthritis, which may eventually lead to total hip arthroplasty (THA). An understanding of the common acetabular and femoral morphologic abnormalities will aid the surgeon in preparing for the complexity of the surgical case. METHODS: We present the challenges associated with acetabular and femoral morphologies that may be present in the dysplastic hip and discuss surgical options to consider when performing THA...
February 22, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28286603/closed-reduction-with-or-without-adductor-tenotomy-for-developmental-dysplasia-of-the-hip-presenting-at-walking-age
#13
Ahmed Samir Barakat, Abou Bakr Zein, Amr Said Arafa, Mostafa Abdelmaboud Azab, Walid Reda, Mohamed Mahmoud Hegazy, Hassan Magdy Al Barbary, Mohamed Abdelhalim Kaddah
BACKGROUND: Many children with developmental dislocation of the hip especially in underdeveloped countries reach walking age and still remain undiagnosed, which can be detrimental to their growth and development. Because of the lack medical services often encountered in these regions, it would be attractive to find a cheap and effective treatment. Our work evaluated the results of treatment of these children by closed reduction with or without adductor tenotomy in a prospective study...
March 2017: Current Orthopaedic Practice
https://www.readbyqxmd.com/read/28271087/comparison-of-pediatric-and-general-orthopedic-surgeons-approaches-in-management-of-developmental-dysplasia-of-the-hip-and-flexible-flatfoot-the-road-to-clinical-consensus
#14
Ramin Haj Zargarbashi, Hirbod Nasiri Bonaki, Shayan Abdollah Zadegan, Taghi Baghdadi, Mohammad Hossein Nabian, Mehdi Ramezan Shirazi
Developmental dysplasia of the hip (DDH) and flatfoot are common pediatric orthopedic disorders, being referred to and managed by both general and pediatric orthopedic surgeons, through various modalities. Our study aimed to evaluate their consensus and perspective disagreements in terms of diagnostic and therapeutic approaches of the mentioned deformities. Forty participants in two groups of general orthopedic surgeons (GOS) (n=20) and pediatric orthopedic surgeons (POS) (n=20), were asked to answer an 8-item questionnaire on DDH and flexible flatfoot...
January 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28270796/volcanic-soils-as-sources-of-novel-co-oxidizing-paraburkholderia-and-burkholderia-paraburkholderia-hiiakae-sp-nov-paraburkholderia-metrosideri-sp-nov-paraburkholderia-paradisi-sp-nov-paraburkholderia-peleae-sp-nov-and-burkholderia-alpina-sp-nov-a-member-of
#15
Carolyn F Weber, Gary M King
Previous studies showed that members of the Burkholderiales were important in the succession of aerobic, molybdenum-dependent CO oxidizing-bacteria on volcanic soils. During these studies, four isolates were obtained from Kilauea Volcano (Hawai'i, USA); one strain was isolated from Pico de Orizaba (Mexico) during a separate study. Based on 16S rRNA gene sequence similarities, the Pico de Orizaba isolate and the isolates from Kilauea Volcano were provisionally assigned to the genera Burkholderia and Paraburkholderia, respectively...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28268504/hip-segmentation-from-mri-volumes-in-infants-for-ddh-diagnosis-and-treatment-planning
#16
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko
Diagnosis and surgical management of Developmental Dysplasia of the Hip (DDH) relies on physical examination and 2D ultrasound scanning. Magnetic Resonance Imaging (MRI) can be used to complement existing techniques and could be advantageous in treatment planning due to its larger field of view. In this paper we propose a semi-automatic method to segment surface models of the acetabulum from MRI images. The method incorporates clinical knowledge in the form of intensity priors which are integrated into a Random Walker (RW) formulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265263/genome-sequence-of-desulfurella-amilsii-strain-tr1-and-comparative-genomics-of-desulfurellaceae-family
#17
Anna P Florentino, Alfons J M Stams, Irene Sánchez-Andrea
The acidotolerant sulfur reducer Desulfurella amilsii was isolated from sediments of Tinto River, an extremely acidic environment. Its ability to grow in a broad range of pH and to tolerate certain heavy metals offers potential for metal recovery processes. Here we report its high-quality draft genome sequence and compare it to the available genome sequences of other members of Desulfurellaceae family: D. acetivorans. D. multipotens, Hippea maritima. H. alviniae, H. medeae, and H. jasoniae. For most species, pairwise comparisons for average nucleotide identity (ANI) and in silico DNA-DNA hybridization (DDH) revealed ANI values from 67...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28244282/descriptive-epidemiology-of-patients-undergoing-total-hip-arthroplasty-in-korea-with-focus-on-incidence-of-femoroacetabular-impingement-single-center-study
#18
Woo Yong Lee, Deuk Soo Hwang, Chang Kyun Noh
We analyzed the causes leading to total hip arthroplasty (THA), aimed to clarify the incidence of femoroacetabular impingement (FAI) among the causes, and compared the incidence in Korea with those in other countries. From January 2000 to December 2014, 1,206 hips of 818 patients who underwent primary THA at our institute were reviewed retrospectively in terms of radiographs and electronic charts. The radiographs and radiographic parameters were reviewed and measured by 2 of the authors, who are orthopedic surgeons...
April 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28226678/hip-segmentation-from-mri-volumes-in-infants-for-ddh-diagnosis-and-treatment-planning
#19
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko, Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko, Jacob L Jaremko, Myles Mabee, Dornoosh Zonoobi, Michelle Noga, Chad Diederichs, Kumaradevan Punithakumar, Abhilash Rakkunedeth Hareendranathan
Diagnosis and surgical management of Developmental Dysplasia of the Hip (DDH) relies on physical examination and 2D ultrasound scanning. Magnetic Resonance Imaging (MRI) can be used to complement existing techniques and could be advantageous in treatment planning due to its larger field of view. In this paper we propose a semi-automatic method to segment surface models of the acetabulum from MRI images. The method incorporates clinical knowledge in the form of intensity priors which are integrated into a Random Walker (RW) formulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222640/dynamic-long-leg-casting-fixation-for-treating-12-to-18-month-old-infants-with-developmental-dysplasia-of-the-hip
#20
Zhencun Cai, Lianyong Li, Lijun Zhang, Shijun Ji, Qun Zhao
Objective To evaluate the effect of dynamic long leg casting in paediatric patients with developmental dysplasia of hip (DDH) diagnosed at 12-18 months. Methods The adductor tenotomy, closed reduction, and dynamic long leg casting method was adopted to treat paediatric patients with DDH. The hips were divided into four groups according to the Tonnis radiographic dislocation classification. Groups were also classified according to the baseline acetabular index (AI): 30°-35°, 36°-40°, and > 40°. The outcomes of the reductions were evaluated according to McKay's hip function criteria and Severin's radiological criteria...
February 2017: Journal of International Medical Research
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