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Acetabular dysplasia

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https://www.readbyqxmd.com/read/28904632/incidence-of-acetabular-dysplasia-in-breech-infants-following-initially-normal-ultrasound-the-effect-of-variable-diagnostic-criteria
#1
C M Brusalis, C T Price, W N Sankar
PURPOSE: This study aimed to determine the incidence of acetabular dysplasia at six months of age in patients with breech presentation and previously normal hip ultrasounds, reporting primary radiographic measurements to allow for comparison with other patient cohorts. METHODS: A retrospective analysis of breech infants with initially normal clinical examinations and hip ultrasounds was performed to determine the rate of subsequent acetabular dysplasia and to characterise the distribution of acetabular index (AI)...
August 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28902001/guided-growth-of-the-proximal-femur-for-the-management-of-hip-dysplasia-in-children-with-cerebral-palsy
#2
Nicola Portinaro, Marco Turati, Matteo Cometto, Marco Bigoni, Jon R Davids, Artemisia Panou
BACKGROUND: Progressive hip displacement is one of the most common and debilitating deformities seen in children with cerebral palsy (CP). The aim of this study was to evaluate the results of temporary medial hemiepiphysiodesis of the proximal femur (TMH-PF) using a transphyseal screw to control hip migration during growth in children with CP. METHODS: This was a retrospective study of children with CP and hip dysplasia, age 4 to 11 years and GMFCS levels III-V...
September 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28872534/morphological-analysis-of-true-acetabulum-in-hip-dysplasia-crowe-classes-i-iv-via-3-d-implantation-simulation
#3
Yuhui Yang, Jianlin Zuo, Tong Liu, Jianlin Xiao, Shuanglu Liu, Zhongli Gao
BACKGROUND: The purpose of this study was to investigate the 3-dimensional (3D) morphological features of the true acetabulum in patients with developmental dysplasia of the hip (DDH). METHODS: Seventy-nine hips-53 in patients with developmental dysplasia of the hip (DDH) and 36 normal hips-were included in the present study. According to the Crowe classification, 26 hips were graded as Class I, 31 were Class II or III, and 22 were Class IV. The anterior pelvic plane was defined to standardize the measurements in the study...
September 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28852351/rapid-prototyping-3d-model-in-treatment-of-pediatric-hip-dysplasia-a-case-report
#4
Andrew M Holt, Zbigniew Starosolski, J Herman Kan, Scott B Rosenfeld
BACKGROUND: Rapid prototyping is an emerging technology that integrates common medical imaging with specialized production mechanisms to create detailed anatomic replicas. 3D-printed models of musculoskeletal anatomy have already proven useful in orthopedics and their applications continue to expand. CASE DESCRIPTION: We present the case of a 10 year-old female with Down syndrome and left acetabular dysplasia and chronic hip instability who underwent periacetabular osteotomy...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28851263/efficacy-of-a-computed-tomography-based-navigation-system-for-placement-of-the-acetabular-component-in-total-hip-arthroplasty-for-developmental-dysplasia-of-the-hip
#5
Takahiko Tsutsui, Tomohiro Goto, Keizo Wada, Tomoya Takasago, Daisuke Hamada, Koichi Sairyo
PURPOSE: Developmental dysplasia of the hip (DDH) presents a considerable surgical challenge in total hip arthroplasty (THA). Although the usefulness of computed tomography (CT)-based navigation in cup alignment has been reported, few reports have evaluated three-dimensional (3-D) cup positioning against the acetabulum specifically in patients with DDH. The purpose of this study was to evaluate the efficacy of a CT-based navigation system for alignment and spatial positioning of the cup in THA for patients with DDH...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28844568/radiographic-measurements-of-the-hip-joint-and-their-associations-with-hip-pain-in-japanese-men-and-women-the-research-on-osteoarthritis-osteoporosis-against-disability-road-study
#6
T Iidaka, S Muraki, H Oka, R Kodama, S Tanaka, H Kawaguchi, K Nakamura, T Akune, N Yoshimura
OBJECTIVE: To investigate radiographic measurements of the hip joint and their associations with hip pain, and the prevalence of acetabular dysplasia defined by radiographic measurements of the hip joint in Japanese men and women using the large-scale population-based cohort of the Research on Osteoarthritis/osteoporosis Against Disability (ROAD) study. METHODS: From the baseline survey of the ROAD study (cross-sectional study), 2963 participants (1040 men, 1923 women; mean age, 70...
August 24, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28819341/reliability-of-the-acetabular-reconstruction-technique-using-autogenous-bone-graft-from-resected-femoral-head-in-hip-dysplasia-influence-of-the-change-of-hip-joint-center-on-clinical-outcome
#7
Joo Ho Song, Tae Soo Ahn, Pil Whan Yoon, Jae Suk Chang
INTRODUCTION: The previous studies have not reached on consensus as to the outcome of acetabular reconstruction with autogenous bone graft for dysplastic hips, especially in severe cases such as Crowe type IV. The current study aimed to determine the survivorship of the arthroplasty and the grafts as well as the change of hip joint center averagely 9.8 years (range, 5-19) after cementless total hip arthroplasty. MATERIALS AND METHODS: We reviewed 52 cases including 19 cases of complete hip dislocation of which acetabular defects were augmented with autogenous bone grafts taken from the resected femoral heads...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28806199/does-late-hip-dysplasia-occur-after-normal-ultrasound-screening-in-breech-babies
#8
Andrew R Morris, Joanna M C Thomas, Isabel C Reading, Nicholas M P Clarke
BACKGROUND: Recent literature has raised concern regarding the occurrence of late dysplasia after normal screening in breech babies. One paper states a late dysplasia incidence of 29%. This finding is in contrast with other published work, which suggests breech presentation is predictive of spontaneous stabilization of the unstable neonatal hip. We decided to identify the rate of late dysplasia after normal screening in our patient cohort and also to investigate the use of a prophylactic abduction diaper...
August 11, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28782077/a-retrospective-study-on-the-relationship-between-altered-native-acetabular-angle-and-vertical-implant-malpositioning
#9
Jorge Rojas, Maria Bautista, Guillermo Bonilla, Omar Amado, Elina Huerfano, Daniel Monsalvo, Adolfo Llinás, José Navas
PURPOSE: Acetabular cup positioning in extreme angles of vertical position affects both stability and long-term survivorship of total hip arthroplasty. The purpose of this study is to determine whether native Sharp's angle is associated with an increased abduction angle of the acetabular component. METHODS: Consecutive patients who underwent primary total hip replacement between February 2012 and August 2015 were included. Vertical positioning of acetabular implant in the antero-posterior post-operative radiographs were measured...
August 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28777280/a-comparison-of-pavlik-harness-treatment-regimens-for-dislocated-but-reducible-ortolani-hips-in-infantile-developmental-dysplasia-of-the-hip
#10
Adam C Hines, David C Neal, Terri Beckwith, ChanHee Jo, Harry K W Kim
BACKGROUND: Variation exists in the Pavlik harness (PH) treatment regimen for infantile developmental dysplasia of the hip (DDH). The purpose of this study was to determine if the daily PH wear duration (23 vs. 24 h) and frequency of follow-up visits affect the clinical and radiographic outcomes of infants with dislocated but reducible (Ortolani+) hips. METHODS: This study reviewed prospectively enrolled patients with DDH in a single center who presented at age <6 months with Ortolani+ hips and were treated with PH...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28759983/validation-of-ct-image-based-software-for-three-dimensional-measurement-of-acetabular-coverage-profile
#11
Marcus P Wenzl, Markus Heller, Viktor Janz, Carsten Perka, Georgi I Wassilew
BACKGROUND: Plain radiography, 2-dimensional (2D) magnetic resonance imaging (MRI), and computed tomography (CT) do not precisely display morphology and acetabular coverage in developmental dysplasia of the hip or pincer-type femoroacetabular impingement. Pelvic position and pelvic tilt affect assessment of the acetabular parameters, leading to misinterpretation. OBJECTIVE: We tested a 3-dimensional (3D) CT evaluation script to calculate the crossover sign (COS), acetabular coverage and morphology...
July 21, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28747338/copy-number-loss-in-the-region-of-the-aspn-gene-in-patients-with-acetabular-dysplasia-aspn-cnv-in-acetabular-dysplasia
#12
T Sekimoto, M Ishii, M Emi, S Kurogi, T Funamoto, Y Yonezawa, T Tajima, T Sakamoto, H Hamada, E Chosa
OBJECTIVES: We have previously investigated an association between the genome copy number variation (CNV) and acetabular dysplasia (AD). Hip osteoarthritis is associated with a genetic polymorphism in the aspartic acid repeat in the N-terminal region of the asporin (ASPN) gene; therefore, the present study aimed to investigate whether the CNV of ASPN is involved in the pathogenesis of AD. METHODS: Acetabular coverage of all subjects was evaluated using radiological findings (Sharp angle, centre-edge (CE) angle, acetabular roof obliquity (ARO) angle, and minimum joint space width)...
July 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28706382/cementless-acetabular-component-with-or-without-upward-placement-in-dysplasia-hip-early-results-from-a-prospective-randomised-study
#13
Zhiqi Zhang, Peihui Wu, Zhiyu Huang, Baoxi Yu, Hong Sun, Ming Fu, Yan Kang, Weiming Liao
BACKGROUND: Total hip arthroplasty (THA) in developmental dysplasia of hip (DDH) is difficult for the abnormal acetabulum. The purpose of this study was to evaluate the difference of anatomic and upward placement of acetabular component during early stage. METHODS: From April 2014 through June 2015, forty DDH patients (Crowe I to III, 42 hips) were prospectively randomized to either anatomic or upward group. Patient recorded diaries were collected. Radiographs were reviewed...
September 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28701062/prediction-of-the-requirement-of-open-reduction-for-developmental-dysplasia-of-the-hip
#14
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/28688609/does-restoration-of-hip-center-with-subtrochanteric-osteotomy-provide-preferable-outcome-for-crowe-type-iii-iv-irreducible-development-dysplasia-of-the-hip
#15
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/28678149/periacetabular-quadruple-osteotomy-of-the-pelvis-in-older-children-computed-tomography-scan-analysis-of-acetabular-retroversion-and-anterior-overcoverage-of-the-hip-preventing-femoral-acetabular-impingement
#16
Roger Jawish, Hassan Najdi, Ali Krayan
The periacetabular quadruple osteotomy of the pelvis (QOP), with the osteotomy of ischial spine to release the sacrospinal ligament, is reserved for older children with low potential of remodeling. Different parameters were studied with computed tomography (CT) scan before (pre-OH) and after surgery (post-OH) and for nonoperated hip (NOH). The study determined an optimal method to avoid retroversion and excessive anterior coverage. Fifteen QOP were performed in 13 patients, ranging in age from 10 to 15 years...
July 3, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28654765/a-traffic-light-grading-system-of-hip-dysplasia-to-predict-the-success-of-arthroscopic-hip-surgery
#17
George Grammatopoulos, Owain L I Davies, Ahmed El-Bakoury, Harinderjit S Gill, Tom C B Pollard, Antonio J Andrade
BACKGROUND: The role of hip arthroscopic surgery in dysplasia is controversial. PURPOSE: To determine the 7-year joint preservation rate after hip arthroscopic surgery in hip dysplasia and identify anatomic and intraoperative features that predict the success of hip preservation with arthroscopic surgery, allowing the formulation of an evidence-based classification system. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: Between 2008 and 2013, 111 hips with dysplastic features (acetabular index [AI] >10° and/or lateral center-edge angle [LCEA] <25°) that underwent arthroscopic surgery were identified...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28630734/open-treatment-of-dysplasia-other-than-pao-does-it-have-to-be-a-pao
#18
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/28617619/early-functional-outcomes-of-periacetabular-osteotomy-after-failed-hip-arthroscopic-surgery-for-symptomatic-acetabular-dysplasia
#19
Benjamin F Ricciardi, Kara G Fields, Catherine Wentzel, Bryan T Kelly, Ernest L Sink
BACKGROUND: Persistent acetabular dysplasia is a common reason for the failure of hip arthroscopic surgery; however, the effect of prior hip arthroscopic surgery on functional outcomes after subsequent periacetabular osteotomy (PAO) is unknown. Hypothesis/Purpose: The purpose of this study was to (1) compare demographic and radiological findings in patients who had and had not undergone previous hip arthroscopic surgery before PAO for symptomatic acetabular dysplasia and (2) compare the short-term, hip-specific patient-reported outcomes in these same patient populations...
September 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28612705/treatment-of-acetabular-chondral-lesions-with-microfracture-technique
#20
Claudio Mella, Alvaro Nuñez, Ignacio Villalón
INTRODUCTION: Acetabular cartilage lesions are frequently found during hip arthroscopy. In the hip joint they mostly occur secondary to a mechanical overload resulting from a pre-existing deformity as hip dysplasia or femoroacetabular impingement (FAI). Lesions identified during arthroscopy can vary greatly from the earliest stages to the most advanced (full-thickness lesions). These lesions occur in the acetabulum in the early stages of joint damage. Microfractures are indicated in full-thickness chondral defects...
2017: SICOT-J
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