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development dysplasia of the hip

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https://www.readbyqxmd.com/read/28803815/patient-specific-contact-stress-does-not-predict-polyethylene-wear-rate-in-a-specific-pressfit-cup
#1
Georg Matziolis, Linda Krakow, Frank Layher, Klaus Sander, Joerg Bossert, Steffen Brodt
BACKGROUND: The most common reason for revision total hip arthroplasty remains polyethylene wear. Development dysplasia of the hip and revision situations requires a conscious compromise of implant position. The surgeon should know about the consequence on wear via a possible change in hip contact force. The objective of this study is to investigate whether annual wear is dependent on hip contact force. METHODS: Forty-five inserts (DuraLoc, DePuy) that were explanted in our department were included...
July 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28790464/the-history-of-biomechanics-in-total-hip-arthroplasty
#2
Jan Van Houcke, Vikas Khanduja, Christophe Pattyn, Emmanuel Audenaert
Biomechanics of the hip joint describes how the complex combination of osseous, ligamentous, and muscular structures transfers the weight of the body from the axial skeleton into the appendicular skeleton of the lower limbs. Throughout history, several biomechanical studies based on theoretical mathematics, in vitro, in vivo as well as in silico models have been successfully performed. The insights gained from these studies have improved our understanding of the development of mechanical hip pathologies such as osteoarthritis, hip fractures, and developmental dysplasia of the hip...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28774369/-unusual-facies-with-delayed-development-and-multiple-malformations-in-a-14-month-old-boy
#3
Tong Lu, Yi Wang
Schinzel-Giedion syndrome is a rare autosomal dominant genetic disease and has the clinical features of severe delayed development, unusual facies, and multiple congenital malformations. In this case report, a 14-month-old boy had the clinical manifestations of delayed development, unusual facies (prominent forehead, midface retraction, hypertelorism, low-set ears, upturned nose, and micrognathia), and multiple congenital malformations (including cerebral dysplasia, dislocation of the hip joint, and cryptorchidism)...
August 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28771576/prospective-evaluation-of-a-patented-dna-test-for-canine-hip-dysplasia-chd
#4
Eberhard Manz, Bernd Tellhelm, Michael Krawczak
Genetic testing has been propagated as a suitable means to specify individual risks for canine hip dysplasia (CHD). However, the current lack of validation of most genetic CHD tests has left dog owners and breeders in the dark about their practical utility. Therefore, the Society for German Shepherd Dogs (Verein für Deutsche Schäferhunde, SV) initiated a prospective study of 935 animals to assess independently the value of a genetic CHD test (European Patent Specification EP 2 123 777 B1) that was developed by Distl et al...
2017: PloS One
https://www.readbyqxmd.com/read/28741029/subtrochanteric-femoral-shortening-osteotomy-combined-with-cementless-total-hip-replacement-for-crowe-type-iv-developmental-dysplasia-a-retrospective-study
#5
Giuseppe Rollo, Giuseppe Solarino, Giovanni Vicenti, Girolamo Picca, Massimiliano Carrozzo, Biagio Moretti
BACKGROUND: Total hip replacement for high dislocation of the hip presents some difficulties, considering patients' young ages, the abnormal hip anatomy and the high rate of complications. In this study, we present our experience in terms of clinical and radiological results in the treatment of Crowe type IV hips with subtrochanteric femoral shortening osteotomy and cementless total hip replacement. MATERIALS AND METHODS: We retrospectively reviewed 15 patients with Crowe type IV hip dysplasia (two bilateral cases for a total of 17 hips) treated with cementless total hip replacement associated with shortening subtrochanteric osteotomies (nine transversal and eight Z-shape osteotomies) between March 2000 to February 2006...
July 24, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28737530/ultrasound-characteristics-of-clinically-dislocated-but-reducible-hips-with-ddh
#6
Brendan Striano, Emily K Schaeffer, Travis H Matheney, Vidayadhar V Upasani, Charles T Price, Kishore Mulpuri, Wudbhav N Sankar
BACKGROUND: Although ultrasound (US) is frequently used in diagnosis and management of infantile developmental dysplasia of the hip, precise ultrasonographic parameters of what constitutes a dislocation, subluxation etc remain poorly defined. The purpose of this study was (1) to describe the ultrasonographic characteristics of a large cohort of clinically dislocated but reducible hips and (2) to begin to develop ultrasonographic definitions for what constitutes a hip dislocation. METHODS: A retrospective review of prospectively collected data from an international multicenter study group on developmental dysplasia of the hip was conducted on all patients under 6 months of age with hip(s) that were dislocated at rest but reducible based on initial physical examination (ie, Ortolani positive)...
July 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28701062/prediction-of-the-requirement-of-open-reduction-for-developmental-dysplasia-of-the-hip
#7
Nabil Alassaf
Objective Closed reduction (CR) is a noninvasive treatment for developmental dysplasia of the hip (DDH), and this treatment is confirmed intraoperatively. This study aimed to develop a preoperative estimation model of the probability of requiring open reduction (OR) for DDH. Methods The study design was cross-sectional by screening all patients younger than 2 years who had attempted CR between October 2012 and July 2016 by a single surgeon. Potential diagnostic determinants were sex, age, side, bilaterality, International Hip Dysplasia Institute (IHDI) grade, and acetabular index (AI)...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28693051/whole-genome-snp-genotyping-in-a-family-segregating-developmental-dysplasia-of-the-hip-detected-runs-of-homozygosity-on-chromosomes-15q13-3-and-19p13-2
#8
Sulman Basit, Essa Alharby, Alia M Albalawi, Khalid I Khoshhal
Developmental dysplasia of the hip (DDH) is one of the most prevalent developmental orthopaedic diseases worldwide. DDH is a spectrum of anatomical abnormalities of the hip joint and is characterized by premature arthritis in later life. Sporadic cases have been reported more frequently, however, some studies have reported families segregating DDH. Studies have suggested that the genetic factors play a significant role in the development of DDH. In order to detect genetic defect underlying DDH, we performed Sanger sequencing of all DDH associated genes, whole genome SNP genotyping and exome sequencing in a Saudi family with 4 individuals having DDH...
July 10, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28688609/does-restoration-of-hip-center-with-subtrochanteric-osteotomy-provide-preferable-outcome-for-crowe-type-iii-iv-irreducible-development-dysplasia-of-the-hip
#9
Tzu-Cheng Yang, Cheng-Fong Chen, Shang-Wen Tsai, Wei-Ming Chen, Ming-Chau Chang
BACKGROUND: Subtrochanteric osteotomy and proximal placement of acetabular components are two common procedures used to manage irreducible, high riding developmental dysplasia of the hip (DDH). Some common and specific complications are observed in both procedures. We aimed to compare both the outcomes and complications between these two procedures. METHODS: Twenty-one patients with unilateral, Crowe type III-IV DDH who were seen between 2002 and 2014 were included in this study...
July 5, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28630734/open-treatment-of-dysplasia-other-than-pao-does-it-have-to-be-a-pao
#10
REVIEW
Kotaro R Shibata, Shuichi Matsuda, Marc R Safran
Hip dysplasia is a developmental disorder that results in anatomic abnormalities in which the acetabular coverage is insufficient. In the absence of severe degenerative changes, younger active patients with these symptomatic structural abnormalities are increasingly managed with joint-preserving operations. Historically there have been numerous reconstructive pelvic osteotomies. In recent years, the Bernese periacetabular osteotomy (PAO) has become the preferred osteotomy by many surgeons. Even so, as our understanding of the hip advances and new diagnostic and treatment techniques are developed, we sought to put a focus on the long-term results of augmental osteotomies and pelvic osteotomies other than the PAO, to see if any of these surgeries still have a place in the current algorithm of treatment for the dysplastic hip...
July 2017: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/28609328/the-early-radiological-effects-of-dega-and-pemberton-osteotomies-on-hip-development-in-children-aged-4-8-years-with-developmental-dysplasia-of-the-hip
#11
Baran Sarikaya, Serkan Sipahioglu, Zeynep B Sarikaya, Celal Bozkurt, Mehmet A Altay, Ugur E Isikan
We aimed to investigate the early radiological effects of Dega and Pemberton iliac osteotomies that were performed in patients aged 4-8 years with developmental dysplasia of the hip on development of hip joint. Dega osteotomy or Pemberton osteotomy was performed in 76 hips of 58 patients because of developmental dysplasia of the hip between September 2011 and June 2015 and were evaluated retrospectively. Of a total of 76 hips, Pemberton osteotomy was performed on 39 (19 unilateral) and Dega osteotomy was performed on 37 (21 unilateral)...
June 12, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28605005/factors-predicting-the-outcomes-of-incomplete-triple-pelvic-osteotomy
#12
Engin Eceviz, Esat Uygur, Mehmet S Söylemez, Abdullah Eren
INTRODUCTION: In the present study, we identified factors affecting the outcomes of patients who underwent incomplete triple pelvic osteotomies due to acetabular dysplasia. METHODS: Data on a total of 58 hips in 50 patients for whom adequate data were available and who had undergone appropriate follow-up were retrospectively evaluated. We used Ömeroğlu scores for radiological evaluation, Harris Hip Scores for clinical evaluation, Tönnis scores to evaluate osteoarthritis progression and a modified Clavien-Dindo classification to evaluate complications...
June 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28576275/innoplant-total-hip-replacement-system
#13
REVIEW
Tisha A M Harper
Total hip replacement is a salvage procedure that is done to alleviate discomfort secondary to osteoarthritis in the hip, which is most often a result of hip dysplasia. Commercially available total hip replacement implants for small animal patients are classified as cemented or cementless. The INNOPLANT Total Hip Replacement system includes modular, screw-in cementless components that were developed to improve implant stability by maintaining as much normal anatomic structure, and by extension biomechanics of the coxofemoral joint, as possible...
July 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28576271/physical-rehabilitation-for-the-management-of-canine-hip-dysplasia
#14
REVIEW
David L Dycus, David Levine, Denis J Marcellin-Little
Hip dysplasia is among the most common orthopedic conditions affecting dogs. Joint laxity is responsible for abnormal development of the femoral head and acetabulum, leading to excessive wear of the articular cartilage. Wear leads to secondary osteoarthritis. Rehabilitation is either conservative or after surgical management. Conservative rehabilitation therapies are directed at decreasing pain, improving hip range of motion (ROM), and building or maintaining muscle mass. Postoperatively, rehabilitation focuses on decreasing postoperative pain and inflammation, improving comfort and limb use, and protecting the surgical site...
July 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28576269/canine-hip-dysplasia-diagnostic-imaging
#15
REVIEW
J Ryan Butler, Jennifer Gambino
Diagnostic imaging is the principal method used to screen for and diagnose hip dysplasia in the canine patient. Multiple techniques are available, each having advantages, disadvantages, and limitations. Hip-extended radiography is the most used method and is best used as a screening tool and for assessment for osteoarthritis. Distraction radiographic methods such as the PennHip method allow for improved detection of laxity and improved ability to predict future osteoarthritis development. More advanced techniques such as MRI, although expensive and not widely available, may improve patient screening and allow for improved assessment of cartilage health...
July 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28566778/nonunion-of-greater-trochanter-following-total-hip-arthroplasty-treated-by-an-articulated-hook-plate-and-bone-grafting
#16
Diego L Fernandez, John T Capo, Eduardo Gonzalez-Hernandez, Richard M Hinds, Maurice E Müller
BACKGROUND: Trochanteric osteotomy still has an important role in hip arthroplasty in cases of (1) preexisting developmental hip dysplasia with superior subluxation, (2) revision arthroplasty, specifically with acetabular component revision in the face of well-fixed femoral component, and (3) recurrent dislocation without component loosening or malalignment, in treatment of complicated trochanteric fixation in osteoporotic bone and nonunions may be difficult. This study reports the clinical outcomes of trochanteric fixation following total hip arthroplasty (THA) utilizing a hook plate construct in a cohort of ten patients...
May 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28565766/a-recurrent-mutation-in-bone-morphogenetic-proteins-2-inducible-kinase-gene-is-associated-with-developmental-dysplasia-of-the-hip
#17
Lihua Zhao, Zaiwei Zhou, Sun Wang, Qing Jiao, Jing Wu, Feng Ma, Lingyan Fan, Mengjie Chen, Hao Ying
Developmental dysplasia of the hip (DDH) is a complex disorder of the hip joint affecting 1-5‰ of newborns. While genetic influence on DDH has been long known, DDH has not been ascribed to any specific genetic event. The present study reported on variants contributing to DDH susceptibility in a family with four individuals affected across three generations. Whole-exome sequencing was performed in three affected and two unaffected individuals of a pedigree with DDH. Candidate variants were confirmed by Sanger sequencing and then validated in available family members and 37 sporadic DDH patients...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28560045/correlation-of-neuter-status-and-expression-of-heritable-disorders
#18
Janelle M Belanger, Thomas P Bellumori, Danika L Bannasch, Thomas R Famula, Anita M Oberbauer
BACKGROUND: Gonadectomy, or neutering, is a very common surgery for dogs having many positive effects on behavior, health, and longevity. There are also certain risks associated with neutering including the development of orthopedic conditions, cognitive decline, and a predisposition to some neoplasias. This study was designed specifically to identify if a correlation exists between neuter status and inherited conditions in a large aggregate cohort of dogs representing many different breeds...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28553442/physical-and-clinical-evaluation-of-hip-spica-cast-applied-with-three-slab-technique-using-fibreglass-material
#19
K M Bitar, M E Ferdhany, E I Ashraf, A Saw
Introduction: Hip spica casting is an important component of treatment for developmental dysplasia of the hip (DDH) and popular treatment method for femur fractures in children. Breakage at the hip region is a relatively common problem of this cast. We have developed a three-slab technique of hip spica application using fibreglass as the cast material. The purpose of this review was to evaluate the physical durability of the spica cast and skin complications with its use. Methodology: A retrospective review of children with various conditions requiring hip spica immobilisation which was applied using our method...
November 2016: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28538419/magnetic-resonance-imaging-evaluation-of-the-labrum-to-predict-acetabular-development-in-developmental-dysplasia-of-the-hip-a-strobe-compliant-study
#20
Yasuhiro Shirai, Kenjiro Wakabayashi, Ikuo Wada, Yoshiaki Tsuboi, Myongsu Ha, Takanobu Otsuka
Recently, more attention has been paid to the role of the acetabular labrum. Therefore, we designed a retrospective cohort study of patients with residual hip dysplasia (RHD) who underwent magnetic resonance imaging (MRI). The objective of this study was to investigate an association between the MRI appearance of the labrum before school age and the natural history of RHD.We retrospectively investigated 45 hips of 40 patients who underwent MRI at about 3 and 4 years of age for RHD and were conservatively followed up with until 6 years of age or older...
May 2017: Medicine (Baltimore)
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