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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/28165601/bikini-versus-traditional-incision-direct-anterior-approach-is-there-any-difference-in-soft-tissue-damage
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
https://www.readbyqxmd.com/read/28165605/rotational-alignment-of-the-knee-is-different-in-osteological-specimens-with-and-without-a-large-cam-deformity-of-the-proximal-femur
#9
Jeremy J Gebhart, Jonathan J Streit, Avi Goodman, Jordan Etscheidt, Douglas S Weinberg, Asheesh Bedi, Shane J Nho, Michael J Salata
PURPOSE: We studied a large osteological collection for differences in knee rotation based upon the presence or absence of a large cam deformity of the proximal femur. METHODS: We obtained 357 matched tibiae and femora from the Hamann-Todd Osteological Collection and measured: femoral head-neck alpha angle, anteroposterior axis (or Whiteside's line) at the distal femur relative to the posterior condylar axis, and position of the tibial tubercle with respect to the posterior condylar axis of the proximal tibia...
February 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165588/the-cup-cage-reconstruction-for-pelvic-discontinuity-has-encouraging-patient-satisfaction-and-functional-outcome-at-median-6-year-follow-up
#10
Sujith Konan, Clive P Duncan, Bassam A Masri, Donald S Garbuz
INTRODUCTION: The aim of this study was to review the clinical, radiological and patient-reported outcomes with the use of cup-cage construct for pelvic discontinuity at our institution. METHODS: 24 patients were identified at median 6-year (minimum 2 year, maximum 10 years) follow-up. 1 patient was converted to excision arthroplasty for infection. A further 3 patients required revision for instability but the cup-cage construct was not revised. RESULTS: We noted encouraging pain relief (mean WOMAC pain 85...
February 1, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165587/femoral-impaction-allografting-for-significant-bone-loss-in-revision-hip-arthroplasty
#11
Thomas A J Goff, Peter Bobak
INTRODUCTION: Femoral impaction bone allografting in revision hip arthroplasty facilitates physiological reconstruction with restoration of bone stock, allowing implantation of a standard cemented femoral component. The purpose of this study was to report our experience in femoral component revision arthroplasty with impaction morsellised cancellous bone allograft using custom impactors and a cemented triple-taper polished stem. METHODS: Retrospective analysis of all cases of femoral component revision hip arthroplasty with impaction bone grafting undertaken by a single surgeon from 2005 to 2011...
February 1, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165600/early-periprosthetic-joint-infection-and-debridement-antibiotics-and-implant-retention-in-arthroplasty-for-femoral-neck-fracture
#12
Carl Mellner, Thomas Eisler, Björn Knutsson, Sebastian Mukka
INTRODUCTION: Periprosthetic joint infection (PJI) is a severe complication of hip arthroplasty for femoral neck fractures (FNF). Debridement, antibiotics and implant retention (DAIR) is recommended in early PJI in association with stable implants. Few studies have evaluated the outcome of DAIR in this fragile population.The purpose of this study was to analyse risk factors for PJI and the short-term outcome of DAIR in FNF patients treated with a hip arthroplasty. METHODS: A consecutive series of 736 patients (median age 81 years, 490 women, 246 men) had been treated with either a total hip arthroplasty or a hemi hip arthroplasty for a displaced FNF at our institution...
January 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165596/screws-are-not-needed-when-secure-interference-fit-of-uncemented-acetabular-components-is-adequate-a-5-to-15-year-follow-up-with-clinical-and-radiological-analysis
#13
Eduardo García-Rey
PURPOSE: Even with good surgical preparation, adequate primary stability of the acetabular component is not always achieved after primary total hip replacement (THR). We hypothesise that adequate bone preparation for appropriate cortical loading would allow us to avoid screw use. METHODS: A total of 791 uncemented cups were analysed to compare the need for screws to obtain primary fixation in 5 different designs. Arthritic hips with inflammatory arthritis or severe congenital hip disease were excluded...
January 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165595/outcomes-after-total-hip-arthroplasty-in-young-patients-with-osteonecrosis-of-the-hip
#14
Ishaan Swarup, Marisa Shields, Erik N Mayer, Chelsea J Hendow, Jayme C Burket, Mark P Figgie
BACKGROUND: Osteonecrosis of the hip is a clinical, radiographic, and pathologic entity that commonly affects young patients. This study evaluates long-term implant survival and patient-reported outcomes after primary total hip arthroplasty (THA) in patients with osteonecrosis aged 35 or younger. METHODS: A retrospective study with prospective follow-up was conducted at a major academic medical center. Chart review was performed to identify young THA patients with osteonecrosis, and follow-up surveys were conducted to determine implant survival and patient-reported outcomes...
January 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165593/short-femoral-stem-in-total-hip-arthroplasty-stable-fixation-and-low-complication-rates-in-elderly-patients
#15
Jaime J Morales de Cano, Christian Gordo, Jordi Canosa Areste
BACKGROUND: We present the result of our experience in using a short femoral stem in elderly patients (>70 years of age) compared to patients younger than 70 years. METHODS: Data were prospectively collected on 138 patients who underwent 148 primary total hip arthroplasty (THA), with a conservative short stem between November 2010 and June 2014. The cohort was divided into 2 groups: the study group (group 1) comprised 57 patients (60 THA) over 70 years of age at the time of surgery, with a mean age of 75...
January 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165589/new-cross-table-lateral-radiography-method-for-measuring-acetabular-component-anteversion-in-total-hip-arthroplasty-a-prospective-study-of-93-primary-tha
#16
Hajime Seo, Masatoshi Naito, Yoshinari Nakamura, Koichi Kinoshita, Tomohiro Nomura, So Minokawa, Tomohiko Minamikawa, Takuaki Yamamoto
INTRODUCTION: Various methods have been described for measuring acetabular component anteversion. However, accurate measurement of anteversion is difficult. We herein propose a new method using cross-table lateral (CL) radiography performed with the contralateral hip flexed to 45° (45° flexed CL radiography). The main purpose of this study was to evaluate the reliability and validity of this new method. METHODS: The study group included 93 patients who underwent total hip arthroplasty (THA)...
January 31, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28165597/increase-in-safe-zone-area-of-the-acetabular-cup-using-dual-mobility-cups-in-tha
#17
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/28165590/survival-of-hydroxyapatite-coated-cups-acetabular-screws-involve-a-lower-rate-of-revision-surgery-due-to-aseptic-loosening
#18
Luis Natera, Marius Valera, Esther Moya Gómez, Natalia Ibañez, Xavier Crusi, Rogelio Sancho
BACKGROUND: It is believed that the path of acetabular screws may represent a shuttle between hydroxyapatite (HA) particles and the liner. The aim was to assess the relationship between acetabular screws and revision surgery for aseptic loosening in total hip arthroplasties (THAs). MATERIAL AND METHODS: A retrospective multicentric study was performed. Patients older than 18 years and patients who underwent THA with both the stem and cup HA-coated were included...
January 28, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28127741/evaluation-of-repair-of-the-hip-labrum-under-simulated-full-weight-bearing
#19
Jason L Koh, Kavish Gupta
INTRODUCTION: Repairs of labral tears are performed for unstable tears, hip instability, and after detachment concomitant to the treatment of femoroacetabular impingement (FAI), but limited data is known about the strength of repair. This study evaluated the effect of simulated axial weight-bearing on suture anchor based repair of the acetabular labrum. METHODS: 3 cadaveric pelvises underwent creation of a 1.5 cm anterior-superior labral tear in each hip. The tears were then repaired using 2 suture anchors per hip...
January 24, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28127740/inverted-femoral-head-graft-versus-standard-core-decompression-in-nontraumatic-hip-osteonecrosis-at-minimum-3-years-follow-up
#20
Asser A Sallam, Mohamed A Imam, Khaled S Salama, Osman A Mohamed
PURPOSE: Numerous salvage surgeries were popularised to halt the progression of hip osteonecrosis (ON). We aimed to compare the clinico-radiological outcomes of inverted femoral head graft (IFHG) versus standard core decompression (SCD) in treatment of nontraumatic hip ON at pre-arthritic stage. METHODS: A case review was performed at a minimum 3 years follow-up of 61 patients (71 hips; mean age 32.96 (19-50) years; mean follow-up 7.86 (3-14) years; mean body mass index 28...
January 24, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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