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acetabular reconstruction

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https://www.readbyqxmd.com/read/29234663/reconstruction-with-iliac-pedestal-cup-and-proximal-femur-tumor-prosthesis-after-wide-resection-of-chondrosarcoma-10-year-follow-up-results
#1
Diogo Lino Moura, Rúben Fonseca, João Freitas, António Figueiredo, José Casanova
Chondrosarcoma is a malignant cartilage-forming neoplasm. It is difficult to treat because of resistance to both chemotherapy and radiation, making wide local excision the only treatment. This report presents an active, 43 year-old man who was diagnosed with recurrent clear cell chondrosarcoma of the proximal left femur, previously reconstructed with a total hip prosthesis, extending to the weight-bearing dome of the acetabulum. Cancer staging study revealed no signs of tumor dissemination at distance. Given the excellent functional status of the patient, the authors performed a Enneking-Dunham type periacetabular pelvic resection and resected en bloc, with the total hip prosthesis including 22 cm of the femur and a portion of the hip abductor apparatus...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29218689/preliminary-results-of-a-3d-printed-acetabular-component-in-the-management-of-extensive-defects
#2
Mustafa Citak, Lilly Kochsiek, Thorsten Gehrke, Carl Haasper, Eduardo M Suero, Hans Mau
INTRODUCTION: The treatment of extensive bone loss and massive acetabular defects can be compounded by several challenges and pitfalls. The survivorship following acetabular revision with extensive bone loss is still unsatisfactory. The goal of the present study was to analyse the outcomes of 3D-printed patient-specific acetabular components in the management of extensive acetabular defects and combined pelvic discontinuity (PD). METHODS: 9 patients underwent revision THA using 3D-printed custom acetabular components to reconstruct extensive acetabular defects...
December 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29217393/acetabular-revision-using-trabecular-metal-augments-for-paprosky-type-3-defects
#3
Cathleen J O'Neill, Stephen B Creedon, Stephen A Brennan, Fiona J O'Mahony, Rosanne S Lynham, Shane Guerin, Rehan Gul, James A Harty
BACKGROUND: Trabecular Metal (TM) augments are one option when reconstructing bone loss during acetabular side revision surgery. METHODS: We studied 38 consecutive patients with Paprosky type 3 defects that were revised using a TM shell and one or more augments over a 6-year period. There were 29 Paprosky type 3A defects and 9 Paprosky type 3B defects. The mean age of the patients at the time of surgery was 68.2 years (range 48-84). The mean length of follow-up was 36 months (range 18-74)...
December 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29203379/arthroscopic-reconstruction-of-the-ligamentum-teres-a-guide-to-safe-tunnel-placement
#4
Alex W Brady, Jorge Chahla, Renato Locks, Jacob D Mikula, Erik L Slette, Robert F LaPrade, Marc J Philippon
PURPOSE: To provide a quantitative guide to tunnel placement concurrently through the femur and acetabulum during a ligamentum teres reconstruction, minimizing the risk of injury to the obturator neurovascular bundle. METHODS: Nine human cadaveric pelvises, complete with femurs (mean age, 59.6 years; age range, 47-65 years), were studied. Before dissection, a 3-dimensional coordinate-measuring device was used to record the neutral orientation of the femur in the acetabulum...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29162239/biomechanical-study-of-pelvic-discontinuity-in-failed-total-hip-arthroplasty-lessons-learnt-from-the-treatment-of-pelvic-fractures
#5
Julio Ribes-Iborra, Carlos Atienza, Jorge Sevil-De la Torre, Amelia Gómez Pérez
Pelvic discontinuity is a rare but serious problem in orthopedic surgery. Acetabular reconstruction in case of severe bone loss after failed total hip arthroplasty is technically difficult, especially in segmental loss type III (anterior or posterior) or pelvic discontinuity (type IV). Acetabular reinforcement devices are frequently used as load-sharing devices to allow allograft incorporation and in order to serve as support of acetabular implants. This study tries to show, by means of biomechanic work, the efficiency of reinforced plate in anterior column in a segmental pelvic loss, illustrated with a clinical case, which shows the socket stability of hip prosthesis...
November 2017: Injury
https://www.readbyqxmd.com/read/29156073/radiographic-underestimation-of-in-vivo-cup-coverage-provided-by-total-hip-arthroplasty-for-dysplasia
#6
Yong Nie, HaoYang Wang, ZeYu Huang, Bin Shen, Virginia Byers Kraus, Zongke Zhou
The accuracy of using 2-dimensional anteroposterior pelvic radiography to assess acetabular cup coverage among patients with developmental dysplasia of the hip after total hip arthroplasty (THA) remains unclear in retrospective clinical studies. A group of 20 patients with developmental dysplasia of the hip (20 hips) underwent cementless THA. During surgery but after acetabular reconstruction, bone wax was pressed onto the uncovered surface of the acetabular cup. A surface model of the bone wax was generated with 3-dimensional scanning...
November 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/29155842/posterior-column-acetabular-fracture-fixation-using-a-w-shaped-angular-plate-a-biomechanical-analysis
#7
Ke Su, Song Liu, Tao Wu, Yingchao Yin, Ruipeng Zhang, Shilun Li, Yingze Zhang
OBJECTIVE: The purpose of this study was to compare the stability and feasibility of four fixation constructs in a posterior column acetabular fracture: one reconstruction plate, one reconstruction plate and lag screw, two reconstruction plates, and a W-shaped acetabular angular plate. METHODS: Twenty embalmed cadaveric pelvises with a posterior column acetabular fractures were allocated to one of four groups: 1) a reconstruction plate, 2) a reconstruction plate with a posterior column lag screw, 3) double reconstruction plates, and 4) a W-shaped acetabular angular plate...
2017: PloS One
https://www.readbyqxmd.com/read/29146166/hip-dysplasia-prevalence-associated-findings-and-procedures-from-large-multicenter-arthroscopy-study-group
#8
Dean K Matsuda, Andrew B Wolff, Shane J Nho, John P Salvo, John J Christoforetti, Benjamin R Kivlan, Thomas J Ellis, Dominic S Carreira
PURPOSE: To report observational findings of patients with acetabular dysplasia undergoing hip arthroscopy. METHODS: We performed a comparative case series of multicenter registry patients from January 2014 to April 2016 meeting the inclusion criteria of isolated hip arthroscopy, a documented lateral center-edge angle (LCEA), and completion of preoperative patient-reported outcome measures. A retrospective analysis compared range of motion, intra-articular pathology, and procedures of patients with dysplasia (LCEA ≤25°) and patients without dysplasia (LCEA >25°)...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29132434/an-acetabular-preserving-procedure-for-pelvic-giant-cell-tumor-involving-partial-acetabulum
#9
Cong Xiao, Yong Zhou, Wenli Zhang, Yi Luo, Chongqi Tu
BACKGROUND: The management of pelvic giant cell tumors (GCTs) involving the acetabulum remains a challenge for surgeons on how to balance the relative benefits of minimizing recurrence and maintaining postoperative hip function. The present study was to present and evaluate the clinical indications, operative technique, and outcomes of pelvic GCTs involving partial acetabulum treated with multiplanar osteotomy and reconstruction of autogenous femoral head bone grafts combined with cementless total hip arthroplasty (THA)...
November 13, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29130656/-design-of-minimal-invasive-screw-on-posterior-pelvis-ring-and-pelvic-finite-element-analysis
#10
Fan Tang, Li Min, Yan-Ling Wang, Bo Qu, Yong Zhou, Yi Luo, Wen-Li Zhang, Rui Shi, Hong Duan, Chong-Qi Tu
OBJECTIVE: To design minimal invasive screw on posterior pelvic ring and perform threedimensional finite element analysis based on a pelvis finite element model. METHODS: We measured the pelvic anatomical data of 20 healthy volunteers and identified potential designs for minimal invasive screw on posterior pelvic ring. A finite element model of pelvis was then established. Threedimensional finite element analyses were performed under static and dynamic mechanical loading,respectively...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29130011/successful-pelvic-resection-for-acetabular-hydatidosis
#11
Canoville Daniel, Hannebicque Matthieu, Rochcongar Goulven, Michon Jocelyn, Dumaine Valérie, Hulet Christophe
Background: Hydatidosis of the bone is a rare occurrence (0.9 to 2.5% of all localization of the disease). In those occurrences, the pelvic bone is the second most frequent localization. Curative treatment of pelvic bone hydatidosis is difficult and a consensus is yet to be found. Clinical Case: We report a case of hydatidosis of the ischium, extended to the homolateral hip. The patient was treated through hip resection using patient-specific cutting guides, followed by total hip reconstruction...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29129617/computed-tomographic-evaluation-of-bone-stock-in-patients-with-crowe-type-iii-developmental-dysplasia-of-the-hip-implications-for-guiding-acetabular-component-placement-using-the-high-hip-center-technique
#12
Bo Liu, Yu-Hang Gao, Lu Ding, Shu-Qiang Li, Jian-Guo Liu, Xin Qi
BACKGROUND: We evaluated acetabular cup coverage (CC) and rim contact (RC) to evaluate the bone stock above the acetabulum for guiding acetabular component placement using the high hip center technique in patients with Crowe type III developmental dysplasia of the hip. METHODS: Using hip computed tomography and image processing software, pelvises were reconstructed digitally in 20 hips with Crowe type III developmental dysplasia of the hip. Mimicked cup was placed with anteversion angles of 0° (group I), 5° (group II), and 10° (group III) respectively...
October 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29100774/bilateral-hip-arthroscopy-direct-comparison-of-primary-acetabular-labral-repair-and-primary-acetabular-labral-reconstruction
#13
Brian J White, Julie Patterson, Mackenzie M Herzog
PURPOSE: Directly compare primary acetabular labral repair versus primary acetabular labral reconstruction using a self-controlled cohort study design. METHODS: Patients who underwent primary labral repair in one hip and primary labral reconstruction using iliotibial band allograft in the other hip by a single surgeon between August 2009 and November 2014 were identified. One patient with inflammatory arthritis was excluded. Patient-reported outcome data included change in Modified Harris Hip Score (MHHS), Lower Extremity Functional Scale (LEFS), average pain using a 10-point visual analog scale (VAS), and patient satisfaction (1: very dissatisfied, 10: very satisfied)...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29093436/learning-curve-for-surgical-treatment-of-acetabular-fractures-a-retrospective-clinical-study-of-a-practical-and-theoretical-training-course
#14
Haci Bayram Tosun, Sancar Serbest, Seyit Ali Gümüştaş, Abuzer Uludag, Suat Celik
BACKGROUND Surgical treatment of acetabular fracture and the anatomic reconstruction of the hip joint are difficult to achieve due to the complex pelvic anatomy, and surgical training requires a prolonged and steep learning curve. The aim of this study was to evaluate the effects of an applied training course, including cadaveric dissection, for the surgical treatment of acetabular fractures. MATERIAL AND METHODS This retrospective study included 35 patients who underwent surgical treatment for acetabulum fractures between 2012-2016...
November 2, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29051875/undisplaced-intraoperative-fracture-presenting-as-early-dislocation-with-tapered-wedge-stems-in-total-hip-arthroplasty-case-series-and-review-of-literature
#15
A V Gurava Reddy, Krishna Kiran Eachempati, Aakash Mugalur, A Suchinder, V B N Prasad Rao, Nalanda Kamurukuru
INTRODUCTION: Periprosthetic fractures and dislocation in the early post-operative period can be disastrous both for the surgeon and the patient. However, undisplaced periprosthetic fractures presenting with dislocation is uncommon. We describe successful management of two cases (one bilateral dislocation and one unilateral dislocation) of undisplaced iatrogenic fractures in total hip arthroplasty (THA) presenting as early dislocation. CASE REPORT: Case 1 was a 45-year-old female with osteoarthritis of hip secondary to developmental dysplasia of the hip with bilateral early nontraumatic dislocation with bilateral identical periprosthetic fracture...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29048698/soft-tissue-reinforcement-with-a-leeds-keio-artificial-ligament-in-revision-surgery-for-dislocated-total-hip-arthroplasty
#16
Shigeo Aota, Shin-Ichi Kikuchi, Hironori Ohashi, Naoko Kitano, Michiyuki Hakozaki, Shin-Ichi Konno
INTRODUCTION: Since dislocation after total hip arthroplasty (THA) greatly diminishes patient's quality of life, the THA frequently needs revision. However, it is common for the dislocation not to heal even after reconstruction, but rather to become intractable. METHODS: The 17 patients with dislocated THA, mean age of 71 years (range 51-87 years), who underwent a revision THA together with soft tissue reinforcement with a Leeds-Keio (LK) ligament were enrolled...
October 16, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29048691/is-a-short-stem-suitable-for-patients-with-hip-dysplasia-a-report-on-technical-problems-encountered-during-femoral-reconstruction
#17
Martin A Buttaro, Pablo A Slullitel, Gerardo Zanotti, Fernando M Comba, Francisco Piccaluga
INTRODUCTION: A wide variety of stems have been used for the treatment of osteoarthritis secondary to advanced hip dysplasia. Since evidence for using short stems in dysplastic hips is limited, we planned to analyse the technical problems encountered when reconstructing the proximal femur of patients with osteoarthritis secondary to congenital dysplasia of the hip treated with total hip arthroplasty (THA) using a type 2B short stem. METHODS: We prospectively analysed 17 patients (22 hips) treated with primary THA performed with a single-branded short uncemented stem with metaphyseal fixation (MiniHip™; Corin)...
October 14, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29033157/midterm-survivorship-after-revision-total-hip-arthroplasty-with-a-custom-triflange-acetabular-component
#18
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
#19
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
#20
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
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