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https://www.readbyqxmd.com/read/28933329/-mid-term-to-long-term-results-of-revision-total-hip-arthroplasty-using-the-oval-shaped-acetabular-cup-tc-type
#1
E Šťastný, T Trč, J Frýdl, Z Kopečný, T Philippou, J Lisý
INTRODUCTION The purpose of our paper is to evaluate the mid-term to long-term results and to confirm the basic criteria of a high-quality revision implant: safe bridging of bone defects, achievement of reliable primary fixation of revision acetabular cup, achievement of good secondary stability with documentable osteointegration of cup and demonstration of remodelling of transplanted bone tissue in the area of defects and in spaces between the implant ribs. MATERIAL AND METHODS Altogether 36 patients (38 cups) were evaluated who had undergone revision hip arthroplasty in the period from 2004 to 2010...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28915523/-biologic-reconstruction-of-full-sized-cartilage-defects-of-the-hip-a-guideline-from-the-dgou-group-clinical-tissue-regeneration-and-the-hip-committee-of-the-aga
#2
Stefan Fickert, Matthias Aurich, Dirk Albrecht, Peter Angele, Lorenz Büchler, Michael Dienst, Christoph Erggelet, Jürgen Fritz, Christoph Gebhart, Hans Gollwitzer, Moritz Kindler, Christoph Lampert, Henning Madry, Gregor Möckel, Phillip Niemeyer, Jörg Schröder, Christian Sobau, Gunter Spahn, Wolfgang Zinser, Stefan Landgraeber
Background Symptomatic pre-arthritic deformities such as femoroacetabular impingement (FAI) or hip dysplasia often lead to localised cartilage defects and subsequently to osteoarthritis. The present review of the working group "Clinical Tissue Regeneration" of the German Society of Orthopaedics and Trauma (DGOU) and the hip committee of the AGA (German speaking Society for Arthroscopy and Joint Surgery) provides an overview of current knowledge of the diagnosis and surgical treatment of cartilage defects, in order to infer appropriate therapy recommendations for the hip...
September 15, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28914956/ischemic-femoral-head-osteonecrosis-in-a-piglet-model-causes-three-dimensional-decrease-in-acetabular-coverage
#3
Vidyadhar V Upasani, Megan E Jeffords, Christine L Farnsworth, David Padilla, Nick Lopreiato, Olumide O Aruwajoye, Harry K W Kim
Legg-Calve-Perthes disease (LCPD) is a childhood form of ischemic osteonecrosis marked by development of severe femoral head deformity and premature osteoarthritis. The pathogenesis of femoral head deformity has been studied extensively using a piglet model of ischemic osteonecrosis, however accompanying acetabular changes have not been investigated. The purpose of this study was to determine if acetabular changes accompany femoral head deformity in a well-established piglet model of LCPD and to define the acetabular changes using 3 dimensional computed tomography (3-D CT) and modeling...
September 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28886084/an-in-vitro-simulation-method-for-the-tribological-assessment-of-complete-natural-hip-joints
#4
Dawn Groves, John Fisher, Sophie Williams
The use of hip joint simulators to evaluate the tribological performance of total hip replacements is widely reported in the literature, however, in vitro simulation studies investigating the tribology of the natural hip joint are limited with heterogeneous methodologies reported. An in vitro simulation system for the complete natural hip joint, enabling the acetabulum and femoral head to be positioned with different orientations whilst maintaining the correct joint centre of rotation, was successfully developed for this study...
2017: PloS One
https://www.readbyqxmd.com/read/28885652/vascularised-and-modified-lower-leg-rotationplasty-for-the-treatment-of-severe-infection-and-bone-loss-of-the-proximal-femur-a-case-report
#5
Sebastian Fischer, Christoph Hirche, Volkmar G Heppert, Paul A Grützner, Ulrich Kneser, Thomas Kremer
CASE DESCRIPTION: We report a reconstructive case in a paraplegic patient, who suffers from a severe proximal femur infection. Aiming at the preservation of the capacity to remain in a seated position to operate a wheelchair, lower leg rotationplasty was considered suitable for reconstruction. Due to severe infection and subclinical femoral artery stenosis, rotationplasty was supercharged by the inferior epigastric artery. Furthermore, extensor tendons of the foot were attached to the acetabulum to facilitate stability of the neo-hip joint...
September 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28878531/neglected-acetabular-fracture-fix-or-replace
#6
Ismail Hadisoebroto Dilogo, Jephtah Furano Lumban Tobing
INTRODUCTION: Operative treatment of acute acetabular fractures has shown better results than the non-operative approach. There is, however, limited data regarding the operative treatment of neglected acetabular fracture. METHODS: We present six subjects with neglected fracture of the acetabulum in Cipto Mangunkusumo National Hospital, Jakarta, Indonesia. One had only open reduction and internal fixation, three had open reduction and internal fixation first before we performed arthroplasty later, one had both open reduction and internal fixation with arthroplasty, and another had immediate arthroplasty...
August 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28872534/morphological-analysis-of-true-acetabulum-in-hip-dysplasia-crowe-classes-i-iv-via-3-d-implantation-simulation
#7
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/28861206/comparison-of-pasteurized-autograft-prosthesis-composite-reconstruction-and-resection-hip-arthroplasty-for-periacetabular-tumors
#8
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/28860390/contemporary-acetabular-fracture-surgery-treading-water-or-swimming-upstream
#9
REVIEW
M Rickman, V D Varghese
In the time since Letournel popularised the surgical treatment of acetabular fractures, more than 25 years ago, there have been many changes within the field, related to patients, surgical technique, implants and post-operative care. However, the long-term outcomes appear largely unchanged. Does this represent stasis or have the advances been mitigated by other negative factors? In this article we have attempted to document the recent changes within the surgery of patients with a fracture involving the acetabulum, outline contemporary management, and identify the major problem areas where further research is most needed...
September 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28859845/guide-wire-insertion-for-percutaneous-lc2-screws-in-acetabular-and-pelvic-ring-fixation-using-a-transpedicular-working-cannula
#10
Julian Scherer, Pierre Guy, Kelly A Lefaivre, Hans-Christoph Pape, Clément M L Werner, Georg Osterhoff
Closed reduction and percutaneous screw fixation (CRIF) of iliac crescent fractures and fractures of the anterior column of the acetabulum has become an established method in the treatment of these injuries. After reduction, safe insertion of a guide wire is a key step during this procedure. We present a technique that can facilitate introducing the guide wire under fluoroscopic guidance and allow for decreased radiation exposure.
August 25, 2017: Injury
https://www.readbyqxmd.com/read/28851328/measurement-of-acetabular-inclination-and-anteversion-via-ct-generated-3d-pelvic-model
#11
R Y Wang, W H Xu, X C Kong, L Yang, S H Yang
BACKGROUND: Inclination and anteversion were the main factors that determined the reliability of the acetabulum. Inclination and anteversion measurements included anatomical, operational and radiographic methods. The aim of our present study was to exhibit divergence of inclination and anteversion via the three measurements. METHODS: Inclination and anteversion were defined according to the definitions put forward by Murray. Three-dimensional models of pelvis of CT data were brought forth...
August 29, 2017: BMC Musculoskeletal Disorders
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
#12
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/28827509/early-definitive-fracture-fixation-is-safely-performed-in-the-presence-of-an-open-abdomen-in-multiply-injured-patients
#13
Nina E Glass, Clay Cothren Burlew, Jens Hahnhaussen, Sebastian Weckbach, Fredric M Pieracci, Ernest E Moore, Philip F Stahel
OBJECTIVE: To investigate the safety and feasibility of performing definitive fracture fixation in multiply injured patients in the presence of an open abdomen after laparotomy. DESIGN: Retrospective observational cohort study. SETTING: Level-I academic trauma center. PATIENTS: Adult polytrauma patients with presence of an open abdomen after "damage control" laparotomy and associated major fractures of long bones, acetabulum, pelvis or spine, requiring surgical repair (n=81)...
August 15, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28827507/presentation-coagulopathy-and-persistent-acidosis-predict-complications-in-orthopaedic-trauma-patients
#14
Benjamin R Childs, Daniel R Verhotz, Timothy A Moore, Heather A Vallier
OBJECTIVES: To evaluate the ability of measures of coagulopathy and acidosis to predict complications. We hypothesize that increased coagulopathy and acidosis over the first 60 hours of hospitalization will result in increased rates of infection and mortality. DESIGN: Prospective, observational. SETTING: Level 1 trauma center. PATIENTS: Three hundred and seventy-six skeletally mature patients with an Injury Severity Score (ISS) greater than 16 who were surgically treated for high energy fractures of the femur, pelvic ring, acetabulum, and/or spine...
August 15, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28819826/the-outcome-of-the-partial-resurfacing-arthroplasty-of-the-hip-shows-high-numbers-of-failures-and-conversion-to-total-arthroplasty
#15
Thilo Floerkemeier, Stefan Budde, Nils Wirries, Gabriela von Lewinski, Henning Windhagen, Marco Ezechieli
PURPOSE: Local cartilage and bony defects, which are too large for joint preserving cartilage treatment are difficult to treat. The implantation of a mini-resurfacing implant (Hemicap®, 2med, Hamburg, Germany) may be a possible alternative treatment for these patients. This partial replacement fills the defect and restores a smooth and continuous articular surface. The aim of this study was to determine short- to midterm results of the treatment of local cartilage defects of the femoral head using the Hemicap®...
August 17, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28819613/aseptic-loosening-after-total-hip-arthroplasty-in-an-acromegalic-patient-a-case-report
#16
Simon Koulischer, Bilal Kapanci, Nicolas Bloemers, Tatiana Charles, Marc Jayankura
INTRODUCTION: Acromegaly is a rare disorder characterized by excess secretion of growth hormone and its principle mediator, insulin-like growth factor-1. Although acromegaly is frequently associated with osteoarthritis, the outcome of arthroplasty in this population is not documented. CASE REPORT: We report here a case of aseptic loosening of an uncemented total hip arthroplasty acetabulum in an acromegalic patient that was revised with a cemented cup. It has been suggested that the incidence of this complication is increased in other pathology with a similarly high bone-turnover (e...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28818569/two-cases-of-pelvic-sarcoma-in-the-acetabulum-with-10-year-follow-ups-after-carbon-ion-radiotherapy
#17
Katsuhisa Kawanami, Toshihiro Matsuo, Keiji Sato, Reiko Imai, Mitsuhiro Kamiya, Norimitsu Wakao, Atsuhiko Hirasawa, Masataka Deie
No abstract text is available yet for this article.
August 14, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28790467/current-concepts-in-acetabular-positioning-in-total-hip-arthroplasty
#18
Deepu Bhaskar, Asim Rajpura, Tim Board
Being one of the most successful surgeries in the history of medicine, the indications for total hip arthroplasty have widened and are increasingly being offered to younger and fitter patients. This has also led to high expectations for longevity and outcomes. Acetabular cup position has a significant impact on the results of hip arthroplasty as it affects dislocation, abductor muscle strength, gait, limb lengths, impingement, noise generation, range of motion (ROM), wear, loosening, and cup failure. The variables in cup position are depth, height, and angular position (anteversion and inclination)...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28773112/corrosion-and-tribology-of-materials-used-in-a-novel-reverse-hip-replacement
#19
Linda Braddon, Zafer Termanini, Steven MacDonald, Jay Parvizi, Jay Lieberman, Victor Frankel, Joseph Zuckerman
Total hip arthroplasty has been utilized for the past 50 years as an effective treatment for degenerative, inflammatory and traumatic disorders of the hip. The design of these implants has generally followed the anatomy of the hip as a ball and socket joint with the femoral head representing the ball and the acetabulum representing the socket. We describe a novel hip arthroplasty design in which the "ball" is located on the acetabular side and the "socket" is located on the femoral side. The results of extensive biomechanical testing are described and document wear and corrosion characteristics that are at least equivalent to standard designs...
July 5, 2017: Materials
https://www.readbyqxmd.com/read/28764142/sex-determination-by-biometry-of-anterior-features-of-human-hip-bones-in-south-indian-population
#20
Sssn Rajasekhar, T K Vasudha, K Aravindhan
INTRODUCTION: Sex determination is the first step in establishing the identity of skeletal remains. Many studies included biometry of posterior features of hip bone. Very few studies are reported involving the biometry of anterior features of the hip bone. Anterior features of hip bone are important especially, if there is damage to the posterior features of hip bone in cases involving deliberate disfigurement of the body to resist identification of the crime in medicolegal cases. AIM: The present study was done to evaluate the effectiveness of anterior border parameters of the hip bone for prediction of sex using discriminant function analysis in South Indian population...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
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