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https://www.readbyqxmd.com/read/28524823/prevalence-of-developmental-dysplasia-of-the-hip-in-chinese-adults-a-cross-sectional-survey
#1
Feng-De Tian, De-Wei Zhao, Wei Wang, Lin Guo, Si-Miao Tian, Ao Feng, Fan Yang, Dong-Yi Li
BACKGROUND: The prevalence of developmental dysplasia of the hip (DDH) is unknown in China. We aimed to determine the prevalence of DDH in Chinese adults. METHODS: In this study, we performed a cross-sectional survey of a nationally representative sample of Chinese adults. All participants underwent questionnaire investigation, physical examination, and X-ray examination. Factors associated with DDH were analyzed with logistic regression. RESULTS: We invited 29,180 individuals aged 18 years and over to participate, randomly selected from 18 primary sampling units (street districts in urban areas and townships in rural areas)...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28506299/developmental-hip-dysplasia-treated-by-total-hip-arthroplasty-using-a-cementless-wagner-cone-stem-in-young-adult-patients-with-a-small-physique
#2
Ping Zhen, Jun Liu, Hao Lu, Hui Chen, Xusheng Li, Shenghu Zhou
BACKGROUND: Developmental hip dysplasia (DDH) may lead to severe acetabular and femoral abnormalities that can render total hip arthroplasty (THA) challenging, especially in DDH patients with a small physique. Most conventional cemented or cementless femoral components are often difficult to implant in the narrow femoral canal and require slight version correction during surgery. The aim of this study was to present the mid-term results of THA in the treatment of DDH patients with a small physique using a cementless Wagner cone prosthesis (Zimmer®, US)...
May 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28497455/hip-sonography-background-technique-and-common-mistakes-results-debate-and-politics-challenges
#3
Reinhard Graf
Developmental dysplasia of the hip (DDH) is the commonest 'congenital' disease of the locomotor system throughout the world. According to the World Health Organisation (WHO) Bone & Joint Decade (2000-2010) 10%-15% of patients who are under the age of 50 when they require a hip replacement do so because of infant hip dysplasia.The background; technique and common mistakes; results; debate and politics; and the challenges of infant hip sonography are reviewed.
May 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28479005/-risk-of-developmental-dysplasia-of-the-hip-in-patients-subjected-to-the-external-cephalic-version
#4
Nerea Sarmiento Carrera, Eva González Colmenero, José Luis Vázquez Castelo, Ana Concheiro Guisán, Emilio Couceiro Naveira, José Ramón Fernández Lorenzo
INTRODUCTION: Developmental dysplasia of the hip (DDH) refers to the spectrum of abnormalities of maturation and development of the hip. Breech presentation is associated with DDH. This risk factor can be modified by external cephalic version (ECV). The aim of this study is to evaluate the incidence of DDH in patients who successfully underwent ECV, as well as to evaluate need for these children (breech for a period during gestation) to be included in the DDH screening protocol. MATERIAL AND METHODS: A prospective cohort study was conducted in the Hospital Universitario de Vigo from January 1, 2015 to December 31, 2015...
May 3, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28478819/subclinical-developmental-dysplasia-of-the-hip-could-predispose-to-femoroacetabular-impingement
#5
Simon Erridge, En Lin Goh, Swathikan Chidambaram
Developmental dysplasia of the hip (DDH) and femoroacetabular impingement (FAI) are separate causes of premature osteoarthritis. There is a paucity of literature describing potential ways in which an individual can be predisposed to FAI. This hypothesis aims to outline how subclinical DDH may predispose a patient to FAI. In DDH the acetabular malformation of the hip joint alters the weight distribution superiorly in the loading axis. In accordance with Wolff's Law, we propose that this change in loading may result in the formation of protrusions on either the acetabular rim or femoral head and neck, predisposing to impingement of the hip during to certain movements and consequently, FAI...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28463920/presence-of-the-ossific-nucleus-and-risk-of-osteonecrosis-in-the-treatment-of-developmental-dysplasia-of-the-hip-a-meta-analysis-of-cohort-and-case-control-studies
#6
Cynthia Chen, Shevaun Doyle, Daniel Green, John Blanco, David Scher, Ernest Sink, Emily R Dodwell
BACKGROUND: Concern for increased risk of osteonecrosis in hips with an absent ossific nucleus has led some surgeons to delay reduction in the treatment of developmental dysplasia of the hip (DDH) until the ossific nucleus is present. A previous meta-analysis reported a potential protective effect against high-grade osteonecrosis (II to IV) when the ossific nucleus was present. With a greater number of publications on this topic, revisiting this analysis is warranted. The aim of this meta-analysis was to systematically review and analyze the best clinical evidence regarding the association between the status of the ossific nucleus and development of osteonecrosis following the treatment of DDH...
May 3, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28455481/use-of-inlet-radiographs-in-the-assessment-of-reduction-after-the-surgical-treatment-of-developmental-dysplasia-of-the-hip
#7
B S F Massa, R Guarniero, R M Godoy, J C Rodrigues, N B Montenegro, F G Cordeiro
AIMS: This pilot study aimed to evaluate prospectively the use of inlet radiographs of the hip as an alternative method of the assessment of reduction after the surgical treatment of developmental dysplasia of the hip (DDH). PATIENTS AND METHODS: The children in this study underwent surgery between January 2013 and January 2015. All had inlet radiographs and CT scans post-operatively. Data were analysed by determining inter-observer reliability and intra-observer reproducibility, using the kappa value (K)...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28438452/muscle-damage-after-total-hip-arthroplasty-through-the-direct-anterior-approach-for-developmental-dysplasia-of-the-hip
#8
Masashi Kawasaki, Yukiharu Hasegawa, Toshiaki Okura, Satoshi Ochiai, Takayoshi Fujibayashi
BACKGROUND: Total hip arthroplasty (THA) through the direct anterior approach (DAA) is known to cause less muscle damage than other surgical approaches. However, more complex primary cases, such as developmental dysplasia of the hip (DDH), might often cause muscle damage. The objective of the present study was to clarify the muscle damage observed 1 year after THA through the DAA for DDH using magnetic resonance imaging. METHODS: We prospectively compared the muscle cross-sectional area (M-CSA) and fatty atrophy (FA) in muscles by magnetic resonance imaging and the Harris hip score before and at 1-year follow-up after THA through the DAA in 3 groups: 37 patients with Crowe group 1 DDH (D1), 13 patients with Crowe group 2 and 3 DDH (D2 + 3), and 12 patients with osteonecrosis as a control...
March 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28427427/association-between-the-ossific-nucleus-and-osteonecrosis-in-treating-developmental-dysplasia-of-the-hip-updated-meta-analysis
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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