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acetabular fracture

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https://www.readbyqxmd.com/read/29458201/computer-assisted-surgery-in-acetabular-fractures-virtual-reduction-of-acetabular-fracture-using-the-first-patient-specific-biomechanical-model-simulator
#1
M Boudissa, H Oliveri, M Chabanas, J Tonetti
Preoperative planning for the management of acetabular fracture is founded on geometric models allowing virtual repositioning of the bone fragments, but not taking account of soft tissue and the realities of the surgical procedure. The present technical note reports results using the first simulator to be based on a patient-specific biomechanical model, simulating the action of forces on the fragments and also the interactions between soft issue and bone: muscles, capsules, ligaments, and bone contacts. In all 14 cases, biomechanical simulation faithfully reproduced the intraoperative behavior of the various bone fragments and reduction quality...
February 16, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29456755/preliminary-results-of-an-anteverting-triple-periacetabular-osteotomy-for-the-treatment-of-hip-instability-in-down-syndrome
#2
D A Maranho, Y-J Kim, K A Williams, E N Novais
Purpose: To investigate the outcomes of an anteverting triple periacetabular osteotomy for the treatment of hip instability in skeletally immature patients with Down syndrome. Methods: We evaluated 16 patients (21 hips) with Down syndrome and hip instability who underwent an anteverting triple periacetabular osteotomy between 2007 and 2016. There were nine females and seven males with an average age of 7.4 years SD 2.0. We assessed the level of hip pain, gait ability and clinical stability at a minimum of one year after surgery...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29455347/a-prospective-comparative-study-of-hip-resurfacing-arthroplasty-and-large-diameter-head-metal-on-metal-total-hip-arthroplasty-in-younger-patients-a-minimum-of-five-year-follow-up
#3
Ran Tao, Fan Liu, Ya-Ke Liu, Yue Lu, Hua Xu, Yi Cao, Zhen-Yu Zhou, Wei Wang
INTRODUCTION: Both hip resurfacing arthroplasty (HRA) and large-diameter head metal-on-metal total hip arthroplasty (LDH MoM THA) are generally used for young and active patients. A number of comparative studies of HRA and total hip arthroplasty have been published in the literature. However, studies that have compared HRA with LDH MoM THA are rare. The purpose of this study is to compare the mid-term results of HRA with those of LDH MoM THA in young patients. PATIENTS AND METHODS: Between 2007 and 2011, 68 patients were enrolled in the study and randomized into two groups: HRA group (28 hips) and LDH MoM THA group (40 hips)...
February 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29451937/custom-triflange-acetabular-components-for-large-acetabular-defects-minimum-10-year-follow-up
#4
K David Moore, Michelle D McClenny, Bradley W Wills
Compromise of bony support presents a difficult problem in acetabular revision surgery. Although various methods have been proposed to cope with this problem, they have had variable results and little long-term follow-up. The authors reviewed the results of 37 patients undergoing custom triflange revision surgery. Two patients were lost to follow-up, leaving 35 patients with minimum 10-year clinical and radiographic follow-up. Thirty-two (91%) of 35 components were unrevised and functioning well at minimum 10-year follow-up...
February 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29448991/paediatric-pelvic-fractures-a-review-of-2-cohorts-over-22-years
#5
Neil Chotai, Sulaiman Alazzawi, Syeda Saman Zehra, Matthew Barry
AIMS: The aim of this retrospective review was to identify all children that presented to our institution with a pelvic or acetabular fracture and to compare these children to a previous cohort of paediatric pelvic fractures that we have reported. PATIENTS: 53 children under the age of 16 were identified over a ten year period. METHODS: We reviewed our trauma database, hospital records and radiological imaging to determine the age, gender, fracture pattern, associated injuries and management of the pelvic fracture...
February 11, 2018: Injury
https://www.readbyqxmd.com/read/29440159/multicentre-study-on-capsular-closure-versus-non-capsular-closure-during-hip-arthroscopy-in-danish-patients-with-femoroacetabular-impingement-fai-protocol-for-a-randomised-controlled-trial
#6
Christian Dippmann, Otto Kraemer, Bent Lund, Michael Krogsgaard, Per Hölmich, Martin Lind, Karen Briggs, Marc Philippon, Bjarne Mygind-Klavsen
INTRODUCTION: Hip arthroscopy has become a standard procedure in the treatment of hip joint pain not related to osteoarthritis or dysplasia in the young and active patient. There has been increasing focus on the contribution of the hip capsule to function and on stability following hip arthroscopy. It has been suggested that capsular closure after hip arthroscopy may prevent microinstability and macroinstability of the hip joint and reduce revision rate. However, it remains unknown whether capsular closure should be performed as a standard procedure when performing hip arthroscopies, especially in patients without additional risk factors for instability such as hypermobility or dysplasia of the hip...
February 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29439894/early-failure-of-primary-total-hip-arthroplasty-is-surgical-approach-a-risk-factor
#7
Marc R Angerame, Thomas K Fehring, John L Masonis, J Bohannon Mason, Susan M Odum, Bryan D Springer
BACKGROUND: In an era of innovation in surgical approaches for total hip arthroplasty (THA), there is concern for increasing trends of early failure. The purpose of this study is to evaluate the incidence of early failure of primary THA stratified by surgical approach. METHODS: A retrospective review was performed on consecutive primary THAs completed from 2007 to 2014 at a high-volume center. THAs were stratified by surgical approach. Only the direct anterior (DAA) and posterior approaches (PA) were included...
February 2, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29430606/epidemiology-of-acetabular-fractures-in-qatar
#8
Malik Ahmed, Yousef Abuodeh, AbdulJabbar Alhammoud, Motasem Salameh, Khalid Hasan, Ghalib Ahmed
OBJECTIVES: This study aimed to review the epidemiological aspects of acetabular fractures treated at Hamad Medical Corporation in Qatar. The study is the first orthopaedic trauma epidemiological study in Qatar and will provide a platform to advance high-level clinical research. METHODS: We obtained data for 103 patients who presented to our level I trauma centre from 2008 to 2010 with a diagnosis of acetabular fracture. Age, sex, the cause of injury, fracture classification, mode of treatment, associated nerve injuries, and other complications were analyzed...
February 11, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29428321/cement-augmentation-in-the-proximal-femur-to-prevent-stem-subsidence-in-revision-hip-arthroplasty-with-paprosky-type-ii-iiia-defects
#9
Shang-Wen Tsai, Cheng-Fong Chen, Po-Kuei Wu, Chao-Ming Chen, Wei-Ming Chen
BACKGROUND: Subsidence remains a common complication after revision hip arthroplasty which may lead to prolonged weight-bearing restrictions, leg-length discrepancies or considerable loss of function. We evaluated the effectiveness of cement augmentation in the proximal femoral metaphysis during a revision of femoral components to prevent post-operative stem subsidence. METHODS: Forty patients were enrolled. Follow-up averaged 67.7 months (range: 24-149). Twenty-seven patients had a Paprosky type II defect and 13 had a type IIIa defect...
February 7, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29427934/assessment-of-nanoscopic-dynamic-mechanical-properties-and-b-c-n-triad-effect-on-mwcnt-h-bnnp-nanofillers-reinforced-hdpe-hybrid-composite-using-oscillatory-nanoindentation-an-insight-into-medical-applications
#10
Nitesh Dhar Badgayan, Santosh Kumar Sahu, Sutanu Samanta, P S Rama Sreekanth
A thrust on improvement of different properties of polymer has taken a contemporary route with advent of nanofillers. Although several nanofillers are existent; MultiWalled Carbon Nanotubes- (MWCNTs) and h-Boron Nitride nanoplatelets-(h-BNNPs) unique combination of 1D and 2D dimensional geometry aids an advantage of B-C-N triad elemental effects on properties of tested samples. The current study aims to investigate the effects of MWCNT and h-BNNP reinforcement in High Density Polyethylene (HDPE) for high load bearing areas of medical applications requiring both elastic and viscous behavior...
February 2, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29424152/-application-of-the-computer-assisted-virtual-reduction-combined-with-3d-printing-technique-in-acetabular-fractures
#11
Yu-Chen Wang, Yong Ma, Wei-Zhong Yu, Yun-Feng Li, Yan-Hui Liu
OBJECTIVE: To investigate the computer-assisted virtual reduction combined with 3D printing technique as preoperative planning and assess their therapeutic effects. METHODS: Thirty-five cases of acetabular fracture treated by internal fixation from March 2011 and March 2014 were retrospectively analyzed. All patients underwent operations with internal fixations implanted. The patients were divided into 2 groups according whether they used the computer-assisted virtual reduction combined with 3D printing technology...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29423867/uncemented-thompson-s-hemiarthroplasty-safe-palliative-and-cost-effective-surgery-in-the-infirm-patient-a-consecutive-series-of-1445-cases
#12
G Manoharan, B D Chatterton, T S Moores, P J Roberts
BACKGROUND: Guidelines on the management of displaced intracapsular fractures recommend using an Orthopaedic Data Evaluation Panel-rated cemented implant. Prior to the National Institute for Health and Care Excellence guidelines, uncemented implants were commonly used in the UK. METHODS: We retrospectively examined the outcomes of patients with uncemented Thompson's hemiarthroplasties at our unit, between April 2005 and December 2010. Patients who underwent revision surgery before December 2011 were identified...
February 8, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29423253/clinical-outcomes-of-patients-with-symptomatic-acetabular-rim-fractures-after-arthroscopic-fai-treatment
#13
Brian D Giordano, Carlos Suarez-Ahedo, Chengcheng Gui, Nader Darwish, Parth Lodhia, Benjamin G Domb
This study aims to investigate the influence of the acetabular rim fractures on outcomes of hip arthroscopy at minimum 2-year follow-up. Between January 2009 and August 2012, data were prospectively collected on all patients undergoing hip arthroscopy. Anatomic findings, including presence of rim fractures, were recorded intraoperatively. Patients were assessed preoperatively and at 3 months, 1 year and minimum 2 years postoperatively with four patient-reported outcome measures: modified Harris Hip Score, Non-Arthritic Hip Score, Hip Outcome Score-Activities of Daily Living and Hip Outcome Score-Sport Specific Subscales...
January 2018: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29422350/the-ideal-total-hip-replacement-bearing-surface-in-the-young-patient-%C3%A2-a-prospective-randomized-trial-comparing-alumina-ceramic-on-ceramic-with-ceramic-on-conventional-polyethylene-15-year-follow-up
#14
Amit Atrey, Jesse I Wolfstadt, Nasir Hussain, Amir Khoshbin, Sarah Ward, Emil H Schemitsch, James P Waddell
BACKGROUND: The optimum bearing surface for total hip arthroplasty remains debatable. We have previously published our outcome at 10 years and this represents the 15-year follow-up. METHODS: A total of 58 hips (in 57 patients with a mean age of 42 years) were randomized to receive either ceramic-on-ceramic (CoC) or ceramic-on-polyethylene (CoP) total hip arthroplasty. We prospectively followed for survivorship, functional outcomes (using the Harris Hip Score and the St Michael's Hip Score [SMH]), and radiological outcomes...
December 6, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29417734/incidence-and-immediate-management-of-genitourinary-injuries-in-pelvic-and-acetabular-trauma-a-10-year-retrospective-study
#15
Nikita R Bhatt, Rajiv Merchant, Niall F Davis, Michael Leonard, Brendan J O'Daly, Rustom P Manecksha, John F Quinlan
OBJECTIVE: To report the incidence of genito-urinary (GU) injuries in pelvic and acetabular (P + A) fractures and to investigate associations between P + A fractures and GU injury patterns. We also prospectively evaluated P + A fracture referrals for adherence to the British Orthopaedic Association Standards for Trauma (BOAST) guidelines over a 12-month period. METHODS: A retrospective review of genitourinary injuries associated with P + A fractures was performed from January 2006 to December 2016 in a national pelvic trauma centre in Ireland...
February 8, 2018: BJU International
https://www.readbyqxmd.com/read/29399730/postmortem-radiological-case-series-of-acetabular-fractures-after-fatal-aviation-accidents
#16
Henri M de Bakker, Melanie Tijsterman, Bela Kubat, Vidija Soerdjbalie-Maikoe, Rick R van Rijn, Bernadette S de Bakker
The purpose of this study was to describe radiological fracture patterns of the acetabulum sustained after fatal small aircraft aviation accidents, aiming at facilitating a better understanding of trauma mechanisms in a forensic setting. Postmortem conventional radiographs or CT scans of 29 victims of 20 small aircraft aviation accidents were analyzed for skeletal acetabular trauma. Among the 29 fatalities (27 males and 2 females, median age 55 years (range: 21-76 years)), 20 victims had pelvic fractures (69%), of which 19 victims (66%) had one or more acetabular fractures...
February 5, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29396805/standardized-three-dimensional-computerised-tomography-scanner-reconstructions-increase-the-accuracy-of-acetabular-fracture-classification
#17
Amer Sebaaly, Guillaume Riouallon, Mourad Zaraa, Peter Upex, Véronique Marteau, Pomme Jouffroy
PURPOSE: Evaluate the role of four standardized 3D reconstruction views in the accurate diagnosis of acetabular fractures. MATERIALS AND METHODS: Thirty-five acetabular fracture cases were selected from a tertiary centre database. Fourteen reviewers with different experience level evaluated this set of images which were provided in axial 2D views and multiplanar reconstruction (MPR) without 3D views in the first two readings then the standardized 3D views were added for the subsequent two readings...
February 2, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29390479/biaxial-reduction-technique-for-the-medially-displaced-quadrilateral-surface-in-acetabular-fracture-through-the-modified-iliofemoral-approach-an-observational-study
#18
Byung Hoon Lee
Treatment of acetabular fractures is technically demanding injuries. The complex surgical approaches and special equipment have been introduced for achieving accurate anatomical reduction.The aim of the study was to present our experiences of using a newly operative technique to achieve accurate reduction of articular dome impaction and of the quadrilateral surface without special equipment or traction device in reference to fracture reduction and fixation, technical aspects, and the incidence of complications...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29390346/pipkin-type-iii-femoral-head-fracture-dislocation-combined-with-complicated-acetabular-fracture-a-rare-case-report-and-literature-review
#19
Bei Zhao, Hao Li, Jun Yan, Li-Ren Han, Xiao-Fei Yang
RATIONALE: Pipkin III fracture, which is characterized by high risk of avascular necrosis of the femoral head, is extremely rare. It is more difficult to treat and has a worse prognosis when accompanied with severe acetabular fractures. Few studies show that both Pipkin type III femoral head fracture-dislocation and complicated acetabular fracture presented in one patient. PATIENT CONCERNS: A 34-year-old male suffered a terrible traffic accident with a serious damage to the left side when he was sitting in the car's cockpit...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29389782/polyethylene-wear-increases-in-liners-articulating-with-scratched-oxidized-zirconium-femoral-heads
#20
Alberto Carli, Chelsea N Koch, Christina I Esposito, Timothy M Wright, Douglas E Padgett
BACKGROUND: Oxidized zirconium (OxZr) femoral heads were introduced in hip arthroplasty to reduce wear of the polyethylene compared with metallic heads and to reduce fracture risk compared with ceramic heads. Severe scratches have been reported on OxZr heads in patients undergoing revision for instability, but whether these scratches contribute to increased acetabular polyethylene wear remains unclear. QUESTIONS/PURPOSES: (1) How is the polyethylene of the acetabular liner affected by damage on the opposing OxZr head? (2) How does damage to the head affect the degree of polyethylene wear? METHODS: We assessed damage and deformation on all retrieved highly crosslinked liners that had articulated against OxZr heads collected at one institution between 2006 and 2013...
February 2018: Clinical Orthopaedics and related Research
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