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acetabular reconstruction

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https://www.readbyqxmd.com/read/29033157/midterm-survivorship-after-revision-total-hip-arthroplasty-with-a-custom-triflange-acetabular-component
#1
Brian P Gladnick, Keith A Fehring, Susan M Odum, Michael J Christie, David K DeBoer, Thomas K Fehring
BACKGROUND: Custom triflange acetabular components are being increasingly used for the reconstruction of Paprosky type IIIB acetabular defects. However, midterm survivorship data are lacking. METHODS: We queried the prospective registries at 2 high-volume revision centers for patients who had undergone revision total hip arthroplasty using a custom triflange component between 2000 and 2011. We identified 73 patients with minimum 5-year follow-up. These patients' records were reviewed to determine incidence of revision or reoperation, clinical performance, and radiographic stability...
September 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29033154/the-use-of-porous-tantalum-augments-for-the-reconstruction-of-acetabular-defect-in-primary-total-hip-arthroplasty
#2
Ting-Xian Ling, Jin-Long Li, Kai Zhou, Qiang Xiao, Fu-Xing Pei, Zong-Ke Zhou
BACKGROUND: Given the lack of studies of acetabular defect reconstruction in primary total hip arthroplasty (THA) using tantalum augments, this study aims to evaluate clinical and radiographic results for treatment with tantalum augments to reconstruct acetabular defects in primary THA. METHODS: We retrospectively reviewed 19 patients (19 hips) with acetabular defects who underwent primary THA using tantalum augments, with a minimum follow-up of 2 years. Clinical, radiographic, and surgical data were retrospectively evaluated...
September 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29032987/virtual-reconstruction-of-glenoid-bone-defects-using-a-statistical-shape-model
#3
Katrien Plessers, Peter Vanden Berghe, Christophe Van Dijck, Roel Wirix-Speetjens, Philippe Debeer, Ilse Jonkers, Jos Vander Sloten
BACKGROUND: Description of the native shape of a glenoid helps surgeons to preoperatively plan the position of a shoulder implant. A statistical shape model (SSM) can be used to virtually reconstruct a glenoid bone defect and to predict the inclination, version, and center position of the native glenoid. An SSM-based reconstruction method has already been developed for acetabular bone reconstruction. The goal of this study was to evaluate the SSM-based method for the reconstruction of glenoid bone defects and the prediction of native anatomic parameters...
October 9, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29026992/acetabular-reconstruction-with-the-kerboull-type-plate-at-mid-term-follow-up-survivorship-analysis-and-prognostic-factors-for-loosening
#4
Tomomi Kamada, Hiroshi Imai, Naohiko Mahima, Jun Takeba, Joji Miyawaki, Hiromasa Miura
INTRODUCTION: Successful reconstruction during total hip arthroplasty for acetabular bone defects remains challenging. The purpose of our study was to evaluate clinical and radiographic results and performed a survivorship analysis for patients with acetabular bone loss undergoing total hip arthroplasty (THA) or revision THA using Kerboull-type acetabular reinforcement device(KT plate). Additionally, some independent prognostic factors for radiographic failure were identified. METHODS: A retrospective cohort study was conducted...
October 12, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28976428/acetabular-reconstructions-with-impaction-bone-grafting-and-a-cemented-cup-in-patients-younger-than-50-years-of-age-a-concise-follow-up-at-27-to-35-years-of-a-previous-report
#5
Marloes W J L Schmitz, Gerjon Hannink, Jean W M Gardeniers, Nico Verdonschot, Tom J J H Slooff, B Willem Schreurs
We present an update of 19 acetabular reconstructions, performed with a cemented total hip arthroplasty and impaction bone-grafting, in situ at the time of our previous report. At a mean follow-up of 30 years (range, 27 to 35 years), no additional patients were lost to follow-up. Two patients (3 reconstructions) died for reasons unrelated to the hip surgery. Five reconstructions (5 patients) were revised, 4 for aseptic loosening and 1 for septic loosening, after a mean of 24 years (range, 22 to 27 years), leaving 11 surviving hips (11 patients) that were clinically and radiographically evaluated...
October 4, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28971086/acetabular-revision-in-total-hip-arthroplasty-with-tantalum-augmentation-and-lyophilized-bovine-xenograft
#6
Cristiano Valter Diesel, Tiango Aguiar Ribeiro, Marcelo Reuwsaat Guimarães, Carlos Alberto de Souza Macedo, Carlos Roberto Galia
OBJECTIVE: To evaluate a mixed technique of acetabular reconstruction, which uses trabecular metal in the form of tantalum augments associated with lyophilized bovine xenograft. METHODS: Fifteen patients were evaluated prospectively, who underwent acetabular reconstruction with impacted lyophilized bovine xenograft associated with the use of tantalum augments. The main outcome was the failure of the tantalum-bone interface. RESULTS: The population had a mean age of 58...
2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28966386/laparoscopic-acetabular-fracture-fixation-after-three-dimensional-modelling-and-printing
#7
Can-Jun Zeng, Wen-Hua Huang, Hua-Jun Huang, Zhang-Lin Wu
Current surgical treatment of acetabular fractures is open reduction and internal fixation and requires a large incision resulting in considerable blood loss and a potentially long duration of recovery. We report a case of an acetabular fracture that received laparoscopic internal fixation after three-dimensional (3D) modelling and printing of the acetabulum. A 43 year old male fell from a height of 3 m resulting in a right acetabulum anterior column fracture. Thin section computed tomography scanning with 0...
September 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28956108/computer-aided-designed-three-dimensional-printed-hemipelvic-prosthesis-for-peri-acetabular-malignant-bone-tumour
#8
Baichuan Wang, Yongqiang Hao, Feifei Pu, Wenbo Jiang, Zengwu Shao
BACKGROUND: Prosthetic reconstruction may be a promising treatment for peri-acetabular malignant bone tumour; however, it is associated with a high complication rate. Therefore, prosthetic design and approach of prosthetic reconstruction after tumour resection warrant study. METHODS: We retrospectively analyzed 11 patients with peri-acetabular malignant bone tumours treated by personalized 3D-printed hemipelvic prostheses after en bloc resection between 2015 and 2016...
September 27, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28955682/acetabular-defect-reconstruction-with-trabecular-metal-augments-study-with-minimum-one-year-follow-up
#9
Chirayu Dwivedi, Sandeep Gokhale, Hyun Gon Khim, Jeon Keon Oh, Won Yong Shon
PURPOSE: High rates of mechanical failure have been reported in type III acetabular defects. Recently porous trabecular metal augments have been introduced with, excellent biomechanical characteristics and biocompatibility, allowing early stability and greater bone ingrowth. The aim of the study was to assess the short term clinical and radiological outcome of the trabecular metal augments. MATERIALS AND METHODS: We performed, 22 revision total hip arthroplasties (THA) and 6 primary THA (total 28) using trabecular metal augments to reconstruct acetabular defect between 2011 to 2015...
September 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28948491/acetabular-reconstruction-with-femoral-head-autograft-after-intraarticular-resection-of-periacetabular-tumors-is-durable-at-short-term-followup
#10
Xiaodong Tang, Wei Guo, Rongli Yang, Taiqiang Yan, Shun Tang, Dasen Li
BACKGROUND: Pelvic reconstruction after periacetabular tumor resection is technically difficult and characterized by a high complication rate. Although endoprosthetic replacement can result in immediate postoperative functional recovery, biologic reconstructions with autograft may provide an enhanced prognosis in patients with long-term survival; however, little has been published regarding this approach. We therefore wished to evaluate whether whole-bulk femoral head autograft that is not contaminated by tumor can be used to reconstruct segmental bone defects after intraarticular resection of periacetabular tumors...
September 25, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28943899/surgical-management-of-pelvic-ewing-s-sarcoma-in-children-and-adolescents
#11
Hongbin Fan, Zheng Guo, Jun Fu, Xiangdong Li, Jing Li, Zhen Wang
The present study describes a novel surgical strategy used to treat immature pelvic Ewing's sarcoma (ES), one made possible owing to the intrinsic structure of the skeletally immature pelvis. A total of 12 children and adolescents with open triradiate cartilage received limb-salvage surgeries following a diagnosis of pelvic ES. In total, 3 patients with iliac lesions (2 lesions with extension into the sacrum) received surgical tumor excisions and allograft reconstructions. Another 8 patients with periacetabular lesions received trans-acetabular osteotomies and allograft reconstructions...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28902001/guided-growth-of-the-proximal-femur-for-the-management-of-hip-dysplasia-in-children-with-cerebral-palsy
#12
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/28887022/additive-influence-of-hip-offset-and-leg-length-reconstruction-on-postoperative-improvement-in-clinical-outcome-after-total-hip-arthroplasty
#13
Moritz M Innmann, Michael W Maier, Marcus R Streit, George Grammatopoulos, Thomas Bruckner, Tobias Gotterbarm, Christian Merle
BACKGROUND: There is a lack of prospective studies investigating the additive effect of both acetabular and femoral reconstruction parameters on the functional outcome following total hip arthroplasty (THA). METHODS: The aim of this prospective cohort study was to determine the combined influence of hip geometry reconstruction and component positioning on the clinical outcome following primary THA for unilateral osteoarthritis. We prospectively assessed the clinical outcome and radiographic parameters for hip geometry reconstruction, component position, and orientation using validated measurements for the operated hip compared to the contralateral native hip in a consecutive series of 113 patients with primary unilateral cementless THA...
August 12, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28885649/l5-radiculopathy-secondary-to-migration-of-a-revision-stemmed-acetabular-cup
#14
Jesús Moreta, Oscar L Casado-Verdugo, Fernando Labayru
INTRODUCTION: Stemmed acetabular components are used in patients undergoing revision total hip arthroplasty in cases with major acetabular defects or pelvic discontinuity. Conflicting results relating to the survival of the component, and complication rates are reported in the literature. We present a case of L5 radiculopathy secondary to proximal migration of this device. CASE DESCRIPTION: A 79-year-old man was admitted to our department in 2012 with increasing pain and paresthesias, initially diagnosed as left L5 radiculopathy...
September 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28878541/an-unusual-localization-of-chondroblastoma-the-triradiate-cartilage-from-a-case-report-a-reconstructive-technique-proposal-with-imaging-evolution
#15
Carmine Zoccali, Francesco Arrigoni, Silvia Mariani, Federico Bruno, Antonio Barile, Carlo Masciocchi
INTRODUCTION: Chondroblastoma (also known as Codman tumor) is a rare intermediate grade cartilaginous neoplasm, representing less than 1% of all primary bone tumors; it characteristically arises in the epiphysis or apophysis of a long bone in young patients, predominantly males. The most frequent location of chondroblastoma is the humerus (70% incidence rate) and more rarely it is located in the pelvis. When it affects the hip, the triradiate cartilage is the most common site. MATERIALS AND METHODS: An unusual case of Chondroblastoma located in the triradiate cartilage is reported...
August 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28861206/comparison-of-pasteurized-autograft-prosthesis-composite-reconstruction-and-resection-hip-arthroplasty-for-periacetabular-tumors
#16
Seung Yong Lee, Dae-Geun Jeon, Wan Hyeong Cho, Won Seok Song, Chang-Bae Kong
BACKGROUND: Because of the high complication rate of anatomical reconstruction after periacetabular resection, the strategy of resection alone has been revisited. However, in terms of complications and functional outcome, whether resection hip arthroplasty (RHA) shows a superior result to that of pelvic ring reconstruction remains controversial. METHODS: We compared 24 RHAs and 16 pasteurized autograft-prosthesis composite (PPC) reconstructions regarding the complication rates, operative time, blood loss, and functional outcome...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28860394/does-tantalum-exhibit-any-intrinsic-antimicrobial-or-antibiofilm-properties
#17
P L Harrison, T Harrison, I Stockley, T J Smith
AIMS: Tantalum (Ta) trabecular metal components are increasingly used to reconstruct major bone defects in revision arthroplasty surgery. It is known that some metals such as silver have antibacterial properties. Recent reports have raised the question regarding whether Ta components are protective against infection in revision surgery. This laboratory study aimed to establish whether Ta has intrinsic antibacterial properties against planktonic bacteria, or the ability to inhibit biofilm formation...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28839500/arthroscopic-acetabular-labral-reconstruction-with-fascia-lata-allograft-clinical-outcomes-at-minimum-one-year-follow-up
#18
Ritesh Rathi, Jacek Mazek
BACKGROUND: The integrity of the acetabular labrum is crucial to normal biomechanics of the hip joint. Disruption of the labral seal could be detrimental to the overall nutrition of the cartilage, leading to its premature degeneration. PURPOSE: The aim of this study is to determine the clinical effectiveness of arthroscopic hip labral reconstruction using fascia lata allograft. The hypothesis is that labral reconstruction would provide good clinical outcomes. METHODS: We retrospectively reviewed all 10 patients who underwent labral reconstruction with fascia lata allograft from January 2013 to October 2015...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28821464/multi-elemental-nanoparticle-exposure-after-tantalum-component-failure-in-hip-arthroplasty-in-depth-analysis-of-a-single-case
#19
Janosch Schoon, Sven Geißler, Juliane Traeger, Andreas Luch, Jutta Tentschert, Giorgio Perino, Frank Schulze, Georg N Duda, Carsten Perka, Anastasia Rakow
Porous tantalum components are widely used for complex acetabular reconstructions in revision hip arthroplasty. Multiple other metal alloys such as titanium-aluminum-vanadium or cobalt-chromium-molybdenum are principally used in artificial joint setups. We report a case of tantalum component failure being both cause and effect of a multiple metal exposure. Our aims were to assess and to characterize associated particle exposure and biological consequences. Metal level quantification revealed substantial in vivo exposure to particulate and dissociated tantalum, zirconium, chromium, cobalt, molybdenum, titanium, aluminum and vanadium in periprosthetic compartments...
August 16, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28819611/acute-stress-fracture-of-the-pelvis-after-total-hip-arthroplasty-a-case-report
#20
Oluwaseun Akinbo, Vineet Tyagi
INTRODUCTION: Acute hip pain following total hip arthroplasty (THA) could have numerous causes to include stress fracture of the pelvis. Stress fractures of the pelvis are rare and have been reported to involve the medial wall and the pubic ramus. A unique case is presented demonstrating the clinical presentation and management of an acute stress fracture of ilium and anterior column following a THA. CASE REPORT: A 72-year-old man underwent an uncomplicated right THA...
March 2017: Journal of Orthopaedic Case Reports
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