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https://www.readbyqxmd.com/read/28228786/hydroxyapatite-in-total-hip-arthroplasty-our-experience-with-a-plasma-spray-porous-titanium-alloy-hydroxyapatite-double-coated-cementless-stem
#1
Iacopo Castellini, Lorenzo Andreani, Paolo Domenico Parchi, Enrico Bonicoli, Nicola Piolanti, Francesca Risoli, Michele Lisanti
PURPOSE: Total hip arthroplasty could fail due to many factors and one of the most common is the aseptic loosening. In order to achieve an effective osseointegration and reduce risk of lossening, the use of cemented implant, contact porous bearing surface and organic coating were developed. Aim of this study was to evaluate clinical and radiological mid-term outcomes of a porous titanium alloy/hydroxyapatite double coating manufactured cementless femoral stem applied with "plasma spray" technique and to demonstrate the possibility to use this stem in different types of femoral canals...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28227828/pose-measurement-of-anterior-pelvic-plane-based-on-inertial-measurement-unit-in-total-hip-replacement-surgeries
#2
Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Shaojie Su, Hong Chen, Hao Tang, Yixin Zhou, Zhihua Wang, Zhe Cao, Yixin Zhou, Hong Chen, Zhihua Wang, Hao Tang, Shaojie Su
In Total Hip Replacement (THR), inaccurate measurement of Anterior Pelvic Plane (APP), which is usually used as a reference plane, will lead to malposition of the acetabular prosthesis. As a result, the risk of impingement, dislocation and wear will increase and the safe range of motion will be limited. In order to acquire the accurate pose of APP, a measurement system is designed in this paper, which includes two parts: one is used to estimate the initial pose of APP and the other is used to trail dynamic motion of APP...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222640/dynamic-long-leg-casting-fixation-for-treating-12-to-18-month-old-infants-with-developmental-dysplasia-of-the-hip
#3
Zhencun Cai, Lianyong Li, Lijun Zhang, Shijun Ji, Qun Zhao
Objective To evaluate the effect of dynamic long leg casting in paediatric patients with developmental dysplasia of hip (DDH) diagnosed at 12-18 months. Methods The adductor tenotomy, closed reduction, and dynamic long leg casting method was adopted to treat paediatric patients with DDH. The hips were divided into four groups according to the Tonnis radiographic dislocation classification. Groups were also classified according to the baseline acetabular index (AI): 30°-35°, 36°-40°, and > 40°. The outcomes of the reductions were evaluated according to McKay's hip function criteria and Severin's radiological criteria...
February 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28222212/excellent-mid-term-results-of-a-new-polished-tapered-modular-cemented-stem-a-study-of-113-hip-replacements-with-minimum-5-year-follow-up
#4
Jens Vanbiervliet, Jan F A Somers
BACKGROUND: This prospective cohort study reports the medium-term clinical and radiographic results of 113 hips treated with a hybrid total hip replacement (THR) with a new cemented tapered cobalt-chrome (Co-Cr) stem with a titanium (Ti) modular neck (ProfemurXm®). METHOD: Between October 2008 and December 2010 we performed 115 consecutive hybrid THR with the ProfemurXm® in 105 patients. RESULTS: Survivorship of the implant (stem and modular neck) at a mean of 6...
February 18, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218376/relationship-between-femoral-offset-and-dislocation-in-preformed-antibiotic-loaded-cement-spacers-spacer-g%C3%A2
#5
Ignacio Molinas, Ester Garcia-Oltra, Jenaro A Fernández-Valencia, Xavier Tomas, Xavier Gallart, Josep Riba, Andreu Combalia, Guillem Bori
PURPOSE: A reduction in femoral offset may decrease muscle tension and lead to spacer dislocations even though proximal femur, musculature and acetabulum remain intact. In this study, we aimed to determine whether postoperative lateral femoral offset (LFO) and modified vertical femoral offset (MVFO) values affect the risk of dislocation of a hip spacer. MATERIALS AND METHODS: We measured LFO and MVFO in properly centred, postoperative, anteroposterior radiographs of the pelvis in 66 patients (71 spacers)...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218372/chronological-changes-in-functional-cup-position-at-10-years-after-total-hip-arthroplasty
#6
Yusuke Okanoue, Masahiko Ikeuchi, Shogo Takaya, Masashi Izumi, Koji Aso, Teruhiko Kawakami
PURPOSE: This study aims to clarify the chronological changes in functional cup position at a minimum follow-up of 10 years after total hip arthroplasty (THA), and to identify the risk factors influencing a significant difference in functional cup position during the postoperative follow-up period. METHODS: We evaluated the chronological changes in functional cup position at a minimum follow-up of 10 years after THA in 58 patients with unilateral hip osteoarthritis...
February 15, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28210820/update-review-and-clinical-presentation-in-adult-inferior-dislocation-of-hip
#7
REVIEW
Kevin Syam, Balaji Saibaba, Sameer Aggarwal, Sivaswaminathan Santhanam, Gopinath Palanisamy
Inferior dislocation of the hip is a rare clinical entity, wherein closed reduction maneuver could be challenging, especially if the attending surgeon is not familiar with the specific anatomy associated with this injury. Due to the rarity of this type of injury, large case series are lacking in the literature; hence, case reports form the major source of our knowledge regarding the clinical presentation and management. An extensive literature search revealed a change in age group presenting with this specific injury, with a male predilection...
February 16, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28202208/survivorship-analysis-of-eighty-revised-hip-arthroplasties-with-the-impaction-grafting-technique-using-whole-femoral-head-allografts-with-the-articular-cartilage
#8
Ahmed Fadulelmola, Efstathios Drampalos, John Hodgkinson, Mukesh Hemmady
BACKGROUND: Acetabular impaction bone grafting aims to restore anatomy in hip revision surgery. This is an effective but expensive and time-consuming technique. Usually, the articular cartilage is removed from the femoral head allograft. We aimed to reproduce the same results retaining the cartilage of the allograft. METHODS: Eighty acetabular revisions using impacted morselized bone graft retaining the articular cartilage and a cemented cup were studied retrospectively...
January 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28197752/surgical-dislocation-for-pediatric-and-adolescent-hip-deformity-clinical-and-radiographical-results-at-3%C3%A2-years-follow-up
#9
Nicola Guindani, Oliver Eberhardt, Thomas Wirth, Michele F Surace, Francisco F Fernandez
INTRODUCTION: The aim of this study is to evaluate the clinical, radiographic short-term results and complications after surgical hip dislocation in young patients (≤18 years). MATERIALS AND METHODS: Clinical and radiographic outcomes were assessed in patients who underwent a surgical hip dislocation Ganz-type approach between 2008 and 2012. Diagnosis included Legg-Calvé-Perthes disease, slipped capital femoral epiphysis, femoroacetabular impingement, osteonecrosis of the femoral head, multiple hereditary exostoses and pigmented villonodular synovitis...
February 14, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28197703/contemporary-dual-mobility-cup-regional-and-private-register-methodology-and-results
#10
André Ferreira, Jean-Louis Prudhon, Régis Verdier, Jean-Marc Puch, Loys Descamps, Guy Dehri, Marcel Remi, Jacques H Caton
INTRODUCTION: The dual-mobility cup (DMC) was introduced in 1979. Due to lack of referenced publications, this interesting and innovating concept was ignored during close to 20 years. However, 180 studies (level III or IV) have now been published. Evidence-based medicine is based on level I studies. Over the past three decades, the role of national registries developed with the intention of surveying orthopaedic implants. In 2012, we developed, registered, and implemented a specific database for contemporary DMC...
February 14, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28184362/uncemented-total-hip-replacement-after-two-years-of-neglected-hip-dislocation-with-fracture-of-posterior-column-and-wall-of-the-acetabulum
#11
Sundaresh Dc, Sharath K Ramanath, Amit Grover, Daksh Gadi
INTRODUCTION: Posterior hip dislocation of the hip with acetabular fracture is a challenging problem to treat. Such dislocations are associated with avascular necrosis of the femoral head if neglected. Managing such conditions with total hip replacement (THR) is very difficult because of associated altered anatomy. CASE PRESENTATION: We hereby report a two-year neglected hip dislocation with associated acetabular fracture successfully treated with uncemented THR...
November 2016: Trauma Monthly
https://www.readbyqxmd.com/read/28180913/-surgical-hip-dislocation-current-status-in-the-treatment-of-femoral-acetabular-impingement
#12
F Sitterlee, S Kirschbaum, C Perka, M Müller
INTRODUCTION: Surgical hip dislocation (SHD) in the therapy of femoral acetabular impingement (FAI) has been mostly replaced by minimally invasive techniques. Nevertheless, in the circumstances of complex FAI types and combined impingement located in inaccessible areas of the hip, SHD is an option to reach those deformities. The advantage of the complete overview of the hip joint enables the circumferential therapy of bony deformity, but at the expense of higher invasivity. In the literature there is still a lack of mid to long-term studies of SHD to determine the overall treatment outcome...
February 8, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28177916/clinical-reports-of-surgical-dislocation-of-the-hip-with-sequestrum-clearance-and-impacting-bone-graft-for-grade-iiia-iiib-aseptic-necrosis-of-femoral-head-anfh-patients
#13
Yao Chen, Yi Nan, Shen Jirong, Du Bin, Sun Guangquan, Shu Hao, Zhang Chao
OBJECTIVE: To analyze the treatment effect of surgical dislocation of the hip with sequestrum clearance and impacting bone graft in grade IIIA-IIIB aseptic necrosis of femoral head (ANFH) patients. METHODS: From June 2012 to December 2014, 6 patients (total 8 hips) with grade IIIA-IIIB ANFH were retrospectively followed. All the patients were operated with surgical dislocation of the hip with sequestrum clearance and impacting bone graft. Collapse of the femoral head, healing of the osteotomy, along with Harris hip scores were observed after surgeries...
February 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28176673/surgical-hip-dislocation-in-treatment-of-slipped-capital-femoral-epiphysis
#14
Mohammed Elmarghany, Tarek M Abd El-Ghaffar, Mahmoud Seddik, Ahmed Akar, Yousef Gad, Eissa Ragheb, Alessandro Aprato, Alessandro Massè
BACKGROUND: Most surgeons advocate in situ fixation of the slipped epiphysis with acceptance of any persistent deformity in the proximal femur [Aronsson DD, Loder RT, Breur GJ, Weinstein SL (2006) Slipped capital femoral epiphysis: current concepts. J Am Acad Orthop Surg 14, 666-679]. This residual deformity can lead to osteoarthritis due to femoroacetabular cam impingement (FAI) [Leunig M, Slongo T, Ganz R (2008) Subcapital realignment in slipped capital femoral epiphysis: surgical hip dislocation and trimming of the stable trochanter to protect the perfusion of the epiphysis...
2017: SICOT-J
https://www.readbyqxmd.com/read/28176672/no-dislocations-after-primary-hip-arthroplasty-with-the-dual-mobility-cup-in-displaced-femoral-neck-fracture-in-patients-with-dementia-a-one-year-follow-up-in-20-patients
#15
Anders Elneff Graversen, Stig Storgaard Jakobsen, Pia Kjær Kristensen, Theis Muncholm Thillemann
PURPOSE: The aim of this study was to describe the dislocation rates, reoperation rates and mortality 30 day and one year following THA with AVANTAGE(®) dual mobility cup among dementia patients with an acute displaced intracapsular femoral neck fracture. PATIENTS AND METHODS: From 2010 to 2014 we identified 20 hip fracture patients with dementia, who have had total hip arthroplasty with the AVANTAGE(®) dual mobility cup. The primary outcome was dislocation. Secondary outcomes were revision surgery, 30 days and one year mortality, time to surgery and length of hospital stay...
2017: SICOT-J
https://www.readbyqxmd.com/read/28168060/3d-printing-aids-acetabular-reconstruction-in-complex-revision-hip-arthroplasty
#16
Andrew J Hughes, Cathal DeBuitleir, Philip Soden, Brian O'Donnchadha, Anthony Tansey, Ali Abdulkarim, Colm McMahon, Conor J Hurson
Revision hip arthroplasty requires comprehensive appreciation of abnormal bony anatomy. Advances in radiology and manufacturing technology have made three-dimensional (3D) representation of osseous anatomy obtainable, which provide visual and tactile feedback. Such life-size 3D models were manufactured from computed tomography scans of three hip joints in two patients. The first patient had undergone multiple previous hip arthroplasties for bilateral hip infections, resulting in right-sided pelvic discontinuity and a severe left-sided posterosuperior acetabular deficiency...
2017: Advances in Orthopedics
https://www.readbyqxmd.com/read/28167866/the-role-of-metal-on-metal-bearings-in-total-hip-arthroplasty-and-hip-resurfacing-review-article
#17
David Sands, Emil H Schemitsch
BACKGROUND: The current role of metal-on-metal (MoM) bearings in hip arthroplasty remains controversial. The low wear offered by MoM bearings compared to metal-on-polyethylene and the possibility of a lower risk of dislocation with larger head sizes, encouraged a trend towards the re-introduction of the MoM bearing couple. However, recent evidence has shown that not all designs of the MoM bearing have been successful. QUESTIONS/PURPOSES: The purpose of this paper is to provide an update on the use of MoM bearings and address the following issues: (1) the reintroduction of metal-on-metal bearings in total hip arthroplasty, (2) the failure of metal-on-metal bearings in stemmed total hip arthroplasty, (3) the role of metal-on-metal hip resurfacing in modern orthopaedics and (4) metal-on-metal hip resurfacing versus total hip arthroplasty...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28165597/increase-in-safe-zone-area-of-the-acetabular-cup-using-dual-mobility-cups-in-tha
#18
Takaaki Ohmori, Tamon Kabata, Toru Maeda, Yoshitomo Kajino, Tadashi Taga, Kazuhiro Hasegawa, Daisuke Inoue, Takashi Yamamoto, Tomoharu Takagi, Hiroyuki Tsuchiya
BACKGROUND: Dual mobility cup (DMC) inserts reduce the risk of dislocation after total hip arthroplasty (THA). No available research has clearly delineated stability advantages of DMC inserts in primary and revision THA. We investigated: (i) the degree of change in the safe zone of the cup when a DMC insert is used compared to a fixed insert; (ii) the method of selecting candidates for a DMC insert without changing the position of the acetabular (cup) component during revision THA in frequent dislocation cases caused by implant impingement...
January 30, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28164058/a-rare-case-of-morel-lavallee-syndrome-complicating-an-anterior-dislocation-of-hip-joint
#19
Supreeth Nekkanti, C Vijay, Sujana Theja, R Ravi Shankar, Anubhav Verma
INTRODUCTION: Hip dislocations are serious injuries as hip joint is an extremely stable joint. It requires a significant amount of force to produce such an injury. Anterior dislocations are uncommon. Potential complications of anterior hip dislocations are a neurovascular injury to femoral vessels or acetabular fractures. CASE REPORT: We report a rare late complication of Morel-Lavallee syndrome occurring 3 weeks after an anterior dislocation of the hip in a 43-year-old male...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28164046/treatment-of-the-bullet-traversing-femoral-neck-lodged-in-hip-joint-initial-arthroscopic-removal-and-subsequent-cartilage-repair
#20
Mehmet Faruk Çatma, Serhan Ünlü, Önder Ersan, Alper Öztürk
INTRODUCTION: There have been several reports on arthroscopically assisted removal of the bullet imbedded in hip joint in the literature. Similarly, in this case, a bullet lodged in acetabulum was extracted with arthroscopic technique. What makes this case unique in the literature is that the bullet removed from the acetabulum traversed the femoral neck. CASE REPORT: Male patient aged 32 years with a low-velocity gunshot wound was referred to the emergency room on August 28, 2012...
September 2016: Journal of Orthopaedic Case Reports
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