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development dysplasia of the hip

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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/28389135/a-contemporary-definition-of-hip-dysplasia-and-structural-instability-toward-a-comprehensive-classification-for-acetabular-dysplasia
#2
Geoffrey P Wilkin, Mazen M Ibrahim, Kevin M Smit, Paul E Beaulé
Hip dysplasia has long been known to be a risk factor for pain and degenerative changes in the hip joint. The diagnosis of dysplasia has historically been based on assessments of acetabular anatomy on the anteroposterior pelvic radiograph, most commonly the lateral center-edge angle. Recent advances in imaging of the dysplastic hip with computerized tomography scans have demonstrated that hip dysplasia is in fact a 3-dimensional (D) deformity of the acetabulum and that multiple patterns of hip instability exist that may not be completely assessed on 2D imaging...
March 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28389035/hip-dysplasia-clinical-signs-and-physical-examination-findings
#3
REVIEW
Jason Syrcle
Hip dysplasia is a common developmental disorder of the dog, consisting of varying degrees of hip laxity, progressive remodeling of the structures of the hip, and subsequent development of osteoarthritis. It is a juvenile-onset condition, with clinical signs often first evident at 4 to 12 months of age. A tentative diagnosis of hip dysplasia can be made based on signalment, history, and physical examination findings. The Ortolani test is a valuable tool for identifying juvenile dogs affected with this condition...
April 4, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28385932/can-we-predict-which-dysplastic-hips-will-require-acetabular-augmentation-during-total-hip-arthroplasty-based-on-pre-operative-radiographs
#4
A G Marsh, A Nisar, M El Refai, S Patil, R M D Meek
AIMS: The purpose of this study was to evaluate whether an innovative templating technique could predict the need for acetabular augmentation during primary total hip arthroplasty for patients with dysplastic hips. PATIENTS AND METHODS: We developed a simple templating technique to estimate acetabular component coverage at total hip arthroplasty, the True Cup: False Cup (TC:FC) ratio. We reviewed all patients with dysplastic hips who underwent primary total hip arthroplasty between 2005 and 2012...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28385930/decreased-and-increased-relative-acetabular-volume-predict-the-development-of-osteoarthritis-of-the-hip-an-osteological-review-of-1090-hips
#5
D S Weinberg, D F K Williamson, M B Millis, R W Liu
AIMS: Recently, there has been considerable interest in quantifying the associations between bony abnormalities around and in the hip joint and osteoarthritis (OA). Our aim was to investigate the relationships between acetabular undercoverage, acetabular overcoverage, and femoroacetabular impingement (FAI) with OA of the hip, which currently remain controversial. MATERIALS AND METHODS: A total of 545 cadaveric skeletons (1090 hips) from the Hamann-Todd osteological collection were obtained...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28362677/medial-approach-open-reduction-with-ligamentum-teres-partial-excision-and-plication-for-the-management-of-congenital-hip-dislocation
#6
Ahmed O Youssef
Because of the known tendency for early redislocation following open reduction, we developed surgical methods for shortening the ligamentum teres to improve immediate postoperative stability when performing medial approach open reduction (MAOR) for the management of developmental dysplasia of the hip. Between 2004 and 2014, 32 patients with dysplasia of the hip were managed by MAOR with partial excision and plication of ligamentum teres. The patients were followed up for an average of 6.9 years. At the final follow-up, clinical outcomes achieved were categorized as excellent and good in 39 (39/40; 97...
March 30, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28352471/genetic-mapping-of-principal-components-of-canine-pelvic-morphology
#7
Mark J Fealey, Joy Li, Rebel J E Todhunter, Ursula Krotscheck, Kei Hayashi, Marina J McConkey, Adam R Boyko, Jessica J Hayward, Rory J Todhunter
BACKGROUND: Concentrated breeding effort to produce various body structures and behaviors of dogs to suit human demand has inadvertently produced unwanted traits and diseases that accompany the morphological and behavioral phenotypes. We explored the relationship between pelvic conformation and canine hip dysplasia (HD) because purebred dogs which are predisposed, or not, to HD share common morphologic features, respectively. Thirteen unique bilateral anatomical features of the pelvis were measured on 392 dogs of 51 breeds and 95 mixed breed dogs...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28326425/bilateral-pelvic-discontinuity-a-unique-condition-characterized-by%C3%A2-high-failure-rates-of-current-treatment
#8
John R Martin, Ian Barrett, Rafael J Sierra, David G Lewallen, Daniel J Berry
BACKGROUND: Bilateral pelvic discontinuity is characterized by complete dissociation of the superior and inferior pelvis secondary to bone loss or fracture. The end result is a freely mobile inferior pelvis at the level of each discontinuity which presents a significant reconstruction challenge. This clinical entity has not been described previously, and the results of surgical treatment are not known. METHODS: We retrospectively reviewed all identified cases of pelvic discontinuity (PD) treated with revision THA at one institution...
December 2016: Arthroplasty Today
https://www.readbyqxmd.com/read/28286603/closed-reduction-with-or-without-adductor-tenotomy-for-developmental-dysplasia-of-the-hip-presenting-at-walking-age
#9
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/28255486/osteolysis-of-the-greater-trochanter-caused-by-a-foreign-body-granuloma-associated-with-the-ethibond%C3%A2-suture-after-total-hip-arthroplasty
#10
Keiji Kamo, Hiroaki Kijima, Koichiro Okuyama, Nobutoshi Seki, Shin Yamada, Naohisa Miyakoshi, Yoichi Shimada
The present case shows a case of progression of osteolysis of the greater trochanter caused by a foreign body granuloma associated with the number 5 Ethibond suture in cementless THA with the direct lateral approach that was completely healed by removal of the Ethibond suture. A 55-year-old Japanese woman with secondary osteoarthritis caused by acetabular dysplasia underwent left cementless THA with the direct lateral approach. After setting of the total hip prosthesis, the gluteus medius muscle and vastus lateralis muscle were reattached to the greater trochanter through two bone tunnels using number 5 Ethibond EXCEL sutures...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28213129/cyclic-compressive-stress-induced-scinderin-regulates-progress-of-developmental-dysplasia-of-the-hip
#11
Cheng-Long Wang, Hui Wang, Fei Xiao, Chuan-Dong Wang, Guo-Li Hu, Jun-Feng Zhu, Chao Shen, Bin Zuo, Yi-Min Cui, De Li, Yuan-Gao, Xiao-Ling Zhang, Xiao-Dong Chen
Developmental dysplasia of the hip (DDH) is a common musculoskeletal disorder characterized by a mismatch between acetabulum and femoral head. Mechanical force plays an important role during the occurrence and development of abnormities in acetabulum and femoral head. In this study, we established a mechanical force model named cyclic compressive stress (Ccs). To analyze the effect of Ccs on DDH, we detected special genes in chondrocytes and osteoblasts. Results showed that Ccs downregulated chondrogenesis of ADTC5 in a concentration-dependent manner...
April 1, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28194386/femur-lengthening-with-monoplanar-external-fixator-associated-with-locked-intramedullary-nail
#12
Henrique Paradella Alvachian Fernandes, Danilo Gabriel do Nascimento Silva Barronovo, Fabio Lucas Rodrigues, Marcos Hono
OBJECTIVE: This study aimed to demonstrate that the lengthening technique of an external fixator associated with locked intramedullary nail is an efficient method that decreases the duration of the external fixation and improves the rehabilitation period. METHODS: From January of 2005 to May of 2014, 31 patients with mean lower limb discrepancy of 5.31 cm were treated. The etiologies of the deformity were femur fracture sequelae, infection, hip development dysplasia, polio, and congenital short femur...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28186873/pre-operative-simulation-of-periacetabular-osteotomy-via-a-three-dimensional-model-constructed-from-salt
#13
Kensuke Fukushima, Naonobu Takahira, Katsufumi Uchiyama, Mitsutoshi Moriya, Masashi Takaso
INTRODUCTION: Periacetabular osteotomy (PAO) is an effective joint-preserving procedure for young adults with developmental dysplasia of the hip. Although PAO provides excellent radiographic and clinical results, it is a technically demanding procedure with a distinct learning curve that requires careful 3D planning and, above all, has a number of potential complications. We therefore developed a pre-operative simulation method for PAO via creation of a new full-scale model. METHODS: The model was prepared from the patient's Digital Imaging and Communications in Medicine (DICOM) formatted data from computed tomography (CT), for construction and assembly using 3D printing technology...
2017: SICOT-J
https://www.readbyqxmd.com/read/28185391/severe-cartilage-degeneration-in-patients-with-developmental-dysplasia-of-the-hip
#14
Wei-Jia Feng, Hui Wang, Chao Shen, Jun-Feng Zhu, Xiao-Dong Chen
Developmental dysplasia of the hip (DDH) is a developmental disorder that has long-term chronic pain and limited hip joint mobility as major pathological characteristics. This study aims to access the association between the development of DDH and cartilage metabolic disorders. Cartilage tissue samples were acquired from patients with DDH, osteoarthritis (OA) and femoral neck fracture. The proteoglycan level was evaluated by safranin O-fast green, toluidine blue and hematoxylin-eosin (HE) staining. The levels of collagen-II (Col-II), collagen-X (Col-X) and metal matrix proteinase-13 (MMP-13) were evaluated by immunohistochemistry (IHC) and Western blotting analysis...
February 10, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28165604/the-association-between-gender-and-familial-prevalence-of-hip-dysplasia-in-danish-patients
#15
Rima El Jashi, Maria B Gustafson, Mette B Jakobsen, Charlotte Lautrup, Jens M Hertz, Kjeld Søballe, Inger Mechlenburg
BACKGROUND: The development of hip dysplasia is associated with several risk factors. 1 of these risk factors is gender, since 80% of patients with symptomatic hip dysplasia are females. Another risk factor for hip dysplasia is familial predisposition of hip dysplasia. Several studies indicate that the risk of hip dysplasia is increased with familial prevalence of hip dysplasia. However, little is known about the association between the familial prevalence and gender and the development of hip dysplasia...
February 3, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28099350/retrospective-observational-study-comparing-the-international-hip-dysplasia-institute-classification-with-the-tonnis-classification-of-developmental-dysplasia-of-the-hip
#16
COMPARATIVE STUDY
Mingyuan Miao, Haiqing Cai, Liwei Hu, Zhigang Wang
The Tonnis radiographic classification of developmental dysplasia of the hip (DDH) has been widely used. The International Hip Dysplasia Institute (IHDI) classification, a new classification system recently developed by the IHDI, is beginning to be applied to evaluate DDH with the absence of an ossification center. This study aimed to validate its reliability in evaluating DDH with an ossification center and compared the 2 classifications in evaluating all DDH hips. In addition, the prediction values of the 2 classifications on clinical management selection were compared...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28094414/asymmetrical-lumbosacral-transitional-vertebrae-in-dogs-may-promote-asymmetrical-hip-joint-development
#17
Mark A Flückiger, Frank Steffen, Michael Hässig, Joseph P Morgan
OBJECTIVES: This study examines the relationship between the morphology of the lumbosacral transitional vertebra (LTV) and asymmetrical development of the hip joints in dogs. METHODS: A total of 4000 dogs which had been consecutively scored for canine hip dysplasia were checked for the presence of a LTV. A LTV was noted in 138 dogs and classified depending on the morphology of the transverse processes and the degree of contact with the ilium. RESULTS: In dogs with an asymmetrical LTV, the hip joint was significantly more predisposed to subluxation and malformation on the side of the intermediate or sacral-like transverse process (p <0...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28032030/lessons-learned-from-study-of-congenital-hip-disease-in-adults
#18
REVIEW
George Hartofilakidis, Kalliopi Lampropoulou-Adamidou
Orthopaedic surgeons specialising in adult hip reconstruction surgery often face the problem of osteoarthritis secondary to congenital hip disease (CHD). To achieve better communication among physicians, better treatment planning and evaluation of the results of various treatment options, an agreed terminology is needed to describe the entire pathology. Furthermore, a generally accepted classification of the deformities is necessary. Herein, the authors propose the use of the term "congenital hip disease" and its classification as dysplasia, low dislocation and high dislocation...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28031513/double-intertrochanteric-osteotomy-for-trochanteric-overgrowth-and-a-short-femoral-neck-in-adolescents
#19
Turgut Akgül, Cengiz Şen, Halil İbrahim Balci, Gökhan Polat
PURPOSE: To review the outcome of Wagner double intertrochanteric osteotomy for trochanteric overgrowth and a short femoral neck in 7 adolescents. METHODS: Records of one male and 6 females aged 15 to 20 years who underwent modified Wagner osteotomy for trochanteric overgrowth and a short femoral neck by a single senior surgeon were reviewed. The diagnoses were coxa vara (n=2), developmental dysplasia of the hip (n=3), Leg-Calve-Perthes (n=1), and proximal femoral focal deficiency (n=1)...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28017958/theoretical-implications-of-periacetabular-osteotomy-in-various-dysplastic-acetabular-cartilage-defects-as-determined-by-finite-element-analysis
#20
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
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