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Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy

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https://www.readbyqxmd.com/read/28362050/clinical-and-radiographic-outcomes-of-the-birmingham-hip-resurfacing-arthroplasty-at-a-minimum-follow-up-of-10-years-results-from-an-independent-centre
#1
Antonio Moroni, Maria Teresa Miscione, Riccardo Orsini, Giovanni Micera, Salvatore Mosca, Fabrizio Sinapi, Laura De Girolamo, Giuseppe Banfi
BACKGROUND: Metal-on-metal hip resurfacing (MoMHR) has been proposed as an effective surgical treatment for young and active patients with symptomatic hip disease. Recently, good clinical and radiographic outcomes have been reported by the designer surgeons at a 15.3 years follow-up; however, results at long follow-up by non-designer surgeons are less satisfactory. The aim of the study was to investigate if MoMHR can produce satisfactory clinical and radiographic results and if survival rate can be high even if the procedure is performed by non-designer surgeons...
March 21, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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
#2
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/28222211/the-learning-curve-for-the-direct-anterior-approach-for-total-hip-arthroplasty-a-single-surgeon-s-first-500-cases
#3
James M Hartford, Michael J Bellino
BACKGROUND: Concerns arise over the early complications encountered during the learning curve for the direct anterior approach for total hip arthroplasty. PURPOSE: The purpose of this study is to examine the learning experience of a single surgeon in adapting this approach. METHODS: The 1st 500 primary total hip arthroplasties are reviewed. The patients were evaluated out to 3 months. Rates of major complications, reoperations, periprosthetic fractures, heterotopic ossification, leg length discrepancies and lateral femoral cutaneous nerve deficits were identified for each of 100 patients...
February 17, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218380/increase-in-physical-activity-after-resurfacing-hip-arthroplasty-is-associated-with-calcar-and-acetabular-bone-mineral-density-changes
#4
Davey M J M Gerhardt, Gerjon Hannink, Ton Rijnders, Job L C van Susante
PURPOSE: Bone preservation is an important advantage of the resurfacing hip arthroplasty (RHA) concept. We hypothesised that patients' increase in physical activity level after RHA would positively relate with periprosthetic bone mineral density (BMD) changes and thus facilitate bone preservation. METHODS: BMD-changes were prospectively recorded in 38 patients after RHA. Dual-energy absorptiometry was used to quantify BMD-changes in 6 periprosthetic regions of interest preoperatively, at 6 months, 1, 2 and 3 years postoperative...
February 15, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218378/screw-hole-clusters-in-acetabular-cups-a-morphological-study-of-optimal-positioning-of-screw-holes
#5
Xinghua Yin, Yixin Zhou, Qiheng Tang, Dejin Yang, Hao Tang, Xingjian Huang
BACKGROUND: Rigid and safe transacetabular screw fixation in total hip arthroplasty (THA) is achieved by pursuing deeper bone stock and avoiding injuries to the neurovascular structures, but these efforts can be restricted by the distribution of screw-holes on cups by the manufacturer. We therefore tried to determine: (i) optimal screw-hole positions on cups to allow anatomical placement of screws; (ii) rationality of the basic 3-screw-hole cluster on commercial cups; and (iii) the optimum method for placing commercial cups in accordance with acetabular anatomy...
February 15, 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/28218376/relationship-between-femoral-offset-and-dislocation-in-preformed-antibiotic-loaded-cement-spacers-spacer-g%C3%A2
#7
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/28218375/retrieval-and-radiographic-analysis-of-the-contour-antiprotrusio-cage
#8
Jonathan M Vigdorchik, Richard S Yoon, Susannah L Gilbert, Joseph D Lipman, Mathias P Bostrom
INTRODUCTION: Acetabular reconstruction in the setting of severe bone loss or pelvic discontinuity remains a challenging problem. Multiple methods of treatment have been described including antiprotrusio cages (APCs). The objective of this study is to combine biomechanical analysis of retrieved APCs with radiographic and clinical data to determine which factors influence or predict APC failure. METHODS: 41 APCs were identified. Sequential radiographs were examined for cage and polyethylene cup abduction angles, change in centre of rotation, screw placement, progression of cage failure, and failure mechanism...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218373/the-use-of-polycarbonate-urethane-as-an-acetabular-shell-bearing-surface-a-5-year-prospective-study
#9
Sabine Mai, Burkhard Mai, Werner E Siebert
AIM: To evaluate the clinical performance of a polycarbonate-urethane liner as a bearing material inside a cobalt-chrome acetabular shell. METHODS: Between December 2007 and July 2011, this material combination was used in 27 total hip replacement patients, most of whom had an indication of osteoarthritis. This report focuses on the first 5-year results of the clinical use of this material combination in the TriboFit® Hip System. RESULTS: Mean Harris Hip Score showed significant improvement from 40 to 86 after 5 years, similar to studies in the literature...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218371/adverse-reaction-to-metal-debris-in-a-consecutive-series-of-durom%C3%A2-hip-resurfacing-pseudotumour-incidence-and-metal-ion-concentration
#10
Albrecht Hartmann, Jan-Dirk Kieback, Jörg Lützner, Klaus-Peter Günther, Jens Goronzy
INTRODUCTION: The aim of this study was to evaluate the incidence of adverse reactions to metal debris (ARMD) in a consecutive series of DUROM™ Hip Resurfacing Arthroplasty (HRA) at mid-term follow-up. METHODS: Between October 2003 and March 2007 a total of 134 consecutive DUROM™ HRA in 121 patients were performed at our institution. Follow-up could be obtained in 101 unrevised patients (83%) at a mean time of 8.51 ± 0.97 years postoperatively and included patient-related outcome measurement, plain radiographs, MARS-MRI as well as whole blood metal ion assessment...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218370/incidence-of-heterotopic-ossification-in-minimally-invasive-short-stem-tha-using-the-modified-anterolateral-approach
#11
Karl P Kutzner, Marlene Hechtner, Dominik Pfeil, Philipp Rehbein, Mark P Kovacevic, Michael Schneider, Werner Siebert, Joachim Pfeil
INTRODUCTION: Heterotopic ossification (HO) is known to be a common complication after total hip arthroplasty (THA). The minimal invasive (MIS) modified anterolateral approach has become popular in combination with a short stem. We analysed the incidence of HO following short-stem THA using this approach in combination with a postoperative administration of nonsteroidal anti-inflammatory drugs (NSAIDs). MATERIALS AND METHODS: 216 short stems were implanted in 162 patients...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218379/the-corail-stem-as-a-reverse-hybrid-survivorship-and-x-ray-analysis-at-10-years
#12
Helge Wangen, Lars Nordsletten, Jens G Boldt, Anne M Fenstad, David E Beverland
BACKGROUND: The use of a cemented cup together with an uncemented stem in total hip arthroplasty (THA) has become popular in Norway and Sweden during the last decade. The results of this prosthetic concept, reverse hybrid THA have been sparsely described.We report our experience of reverse hybrid THA, using the Elite plus polyethylene cemented cup together with the Corail fully hydroxyapatite-coated uncemented stem and a 28-mm alumina ceramic head. PATIENTS AND METHODS: 132 consecutive reverse hybrid hip arthroplasties were performed from January 2000 to December 2003 in 126 patients with a mean age of 54...
February 7, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165601/bikini-versus-traditional-incision-direct-anterior-approach-is-there-any-difference-in-soft-tissue-damage
#13
Brent A Lanting, Kirk C Hartley, Adam J Raffoul, Timothy A Burkhart, Lyndsay Sommerville, Glynn R Martin, James L Howard, Marjorie Johnson
INTRODUCTION: The direct anterior approach for total hip replacements has reported advantages of improved early function and muscle preservation. In an effort to improve healing and cosmesis, a change in the orientation of the incision has been proposed. Traditionally, the skin incision is in-line with the tensor fasciae latae muscle belly. The bikini incision is orthogonal to this orientation. The hypothesis was that muscle damage would be increased by using the bikini incision. METHODS: A traditional or bikini incision was performed on 18 cadaveric hips...
February 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165598/correlation-between-serum-metal-ion-levels-and-adverse-local-tissue-reactions-after-conserve%C3%A2-plus-hip-resurfacing-arthroplasty
#14
Harlan C Amstutz, Michel J Le Duff
BACKGROUND: Adverse local tissue reactions (ALTR) have been associated with the use of metal-on-metal (MoM) bearings and the monitoring of cobalt (Co) and chromium (Cr) ion levels in blood or serum may be the best way to evaluate in vivo the wear of these bearings. However, the relationship between Co and Cr ion concentrations and the formation of ALTR remains unclear. METHODS: We investigated the relationship between ALTR and serum Co and Cr ion levels and identified the clinical factors influencing the formation of ALTR in patients treated with MoM hip resurfacing arthroplasties...
February 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165603/comparative-survival-analysis-of-porous-tantalum-and-porous-titanium-acetabular-components-in-total-hip-arthroplasty
#15
Emil S Vutescu, Peter Hsiue, Wayne Paprosky, Sumon Nandi
BACKGROUND: Porous tantalum acetabular components (PoTa) are well-studied, but less is known about widely used porous titanium (PoTi) acetabular components. We performed a comparative survival analysis between PoTi and PoTa acetabular components. METHODS: Primary or revision THA performed using PoTi (n = 2,976) or PoTa (n = 184) acetabular components with minimum 2-year follow-up (PoTi n = 1,539; PoTa n = 157) were analysed. Univariate and multivariate logistic regression were performed to test the effect of porous metal acetabular component type on revision surgery for aseptic cup loosening...
February 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165592/selection-of-a-surgical-approach-for-total-hip-arthroplasty-according-to-the-depth-to-the-surgical-site
#16
Takaaki Ohmori, Tamon Kabata, Toru Maeda, Yoshitomo Kajino, Tadashi Taga, Kazuhiro Hasegawa, Daisuke Inoue, Takashi Yamamoto, Tomoharu Takagi, Hiroyuki Tsuchiya
BACKGROUND: The surgical depths of approaches for total hip arthroplasty (THA) have not been reported previously. In this study, we investigate the relationships between the distances to the centre of the femoral head in different approaches and body mass index (BMI). METHODS: The study included patients with normal hip joints who presented to our hospital. We used the pelvic coordinate system relative to the anterior pelvic plane and the femur coordinate system relative to the posterior condylar plane...
February 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165591/stable-migration-pattern-of-an-ultra-short-anatomical-uncemented-hip-stem-a-prospective-study-with-2-years-radiostereometric-analysis-follow-up
#17
Ahmed Nageeb Mahmoud, Uldis Kesteris, Gunnar Flivik
INTRODUCTION: Shorter, anatomically shaped and proximally loading stems have been developed to achieve better stress distribution and be more bone preserving. The purpose of this prospective study was to evaluate the migration pattern of the Proxima™ ultra-short uncemented stem using radiostereometric analysis (RSA), and to review the literature regarding the migration of short stemmed hip arthroplasty. METHODS: 25 patients (28 hips) with hip osteoarthritis received a Proxima stem during total hip arthroplasty (THA)...
February 4, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165604/the-association-between-gender-and-familial-prevalence-of-hip-dysplasia-in-danish-patients
#18
Rima El Jashi, Maria B Gustafson, Mette B Jakobsen, Charlotte Lautrup, Jens M Hertz, Kjeld Søballe, Inger Mechlenburg
BACKGROUND: The development of hip dysplasia is associated with several risk factors. 1 of these risk factors is gender, since 80% of patients with symptomatic hip dysplasia are females. Another risk factor for hip dysplasia is familial predisposition of hip dysplasia. Several studies indicate that the risk of hip dysplasia is increased with familial prevalence of hip dysplasia. However, little is known about the association between the familial prevalence and gender and the development of hip dysplasia...
February 3, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165602/outcome-of-revision-arthroplasty-for-failed-metal-on-metal-total-hip-replacements-is-there-a-relation-with-metal-ions
#19
Hafiz J Iqbal, Waheeb A K Al-Azzani, Esther Jackson-Taylor, Elizabeth Clatworthy, Alun John
PURPOSE: We aimed to assess the early outcome following revision arthroplasty for failed metal-on-metal (MoM) total hip replacements (THR) due to adverse reaction to metal debris (ARMD). METHODS: We reviewed 106 consecutive revision arthroplasties. Case notes and radiological investigations were reviewed to assess the complications. Oxford Hip Score (OHS) and Euroqol (EQ-5D-3L) scores were used to assess the functional outcome and improvement of quality of life...
February 3, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165599/cementing-a-polyethylene-cup-into-a-well-fixed-acetabular-metal-on-metal-resurfacing-component-an-experimental-investigation
#20
Matthias C M Klotz, Sebastian Jäger, Philippe Kretzer, Nicholas A Beckmann, Marc Thomsen, Rudi G Bitsch
INTRODUCTION: Adverse reactions to metal debris often indicate revision surgery in metal-on-metal (MoM) hip arthroplasty and an exchange of the MoM bearing into either a metal on polyethylene or a ceramic-on-polyethylene articulation. At the moment the removal of the entire implant system is the most reasonable method. In order to avoid bone loss caused by the removal of a well-fixed acetabular component, the purpose of this study was to measure the stability of a cemented polyethylene (PE) cup in an acetabular hip resurfacing component and to examine if such a method could be suitable for clinical use...
February 3, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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