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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/30630363/early-to-mid-term-outcome-of-oxinium-on-verilast-highly-cross-linked-polyethylene-bearing-surface-in-uncemented-total-hip-arthroplasty
#1
Anshul S Sobti, Constant A Busch, John A Afolayan, Dean Michael, Rishi Chana
INTRODUCTION: We report 5- to 10-year clinical and radiological outcomes of a series of uncemented Oxinium on Verilast (highly cross-linked polyethylene liners) total hip replacements (THAs) using the Anthology stem and R3/Reflection cup system. METHODS: 116 THAs were performed by 2 senior authors in 104 patients from 2005 to 2009. The mean age at time of operation was 63.8 (45-80) years. The average length of follow-up was 8.8 years. At final data collection 12 patients had died (13 THAs) and 3 patients (3 THAs) were lost to follow-up...
January 11, 2019: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30630364/it-is-safe-to-use-minimal-restrictions-following-posterior-approach-total-hip-arthroplasty-results-from-a-large-cohort-study
#2
Walter van der Weegen, Anke Kornuijt, Dirk Das, Rein Vos, Thea Sijbesma
BACKGROUND: To prevent early postoperative dislocation following a total hip arthroplasty (THA) procedure, patients must adhere to restrictions. Restrictive protocols are common if THA surgery is performed using the posterior approach, but scientific evidence form larger studies that supports these restrictions are scarce. In this large cohort study we compare the <90-days dislocation rate between patients receiving posterior approach THA managed with minimal versus extensive restrictions...
January 10, 2019: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30602342/validation-of-a-new-2-5d-radiographic-index-evaluating-acetabular-coverage-using-acx-software
#3
Shoichi Nishikino, Hiroshi Koyama, Hiroki Furuhashi, Hironobu Hoshino, Yukihiro Matsuyama
BACKGROUND: Several radiographic signs have been described to assess acetabular coverage. However, plain radiographs only have 2 dimensions (2D) and cannot accurately show acetabular coverage. QUESTIONS/PURPOSES: We developed the ACX Dynamics software to calculate the radial centre-edge angle (RCEA), which represents the acetabular coverage of the femoral head at each acetabular edge point on the radial plane. This study validated the accuracy of the RCEA, as calculated by ACX Dynamics, as a quantitative parameter for acetabular coverage...
January 3, 2019: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30595060/a-comparison-of-clinical-radiographic-and-surgical-outcomes-of-total-hip-arthroplasty-between-direct-anterior-and-posterior-approaches-a-systematic-review-and-meta-analysis
#4
Fangteng Jia, Bin Guo, Feixiang Xu, Yuechao Hou, Xiongfeng Tang, Lanfeng Huang
OBJECTIVE: A systematic review and meta-analysis were used to directly evaluate the direct anterior approach (DAA) and the posterior approach (PA) for early efficacy and safety of total hip arthroplasty (THA). METHODS: Control-led trials assessing DAA and PA for the efficacy and safety of THA were searched in the database. Articles were reviewed according to predetermined inclusion and exclusion criteria; the quality of the methodology included in a given study was strictly assessed before data extraction...
December 31, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30569737/short-stems-in-total-hip-replacement-evidence-on-primary-stability-according-to-the-stem-type
#5
Georgios I Drosos, Panagiotis Touzopoulos
BACKGROUND: As the prevalence of total hip replacement is increasing in younger patients, less invasive implants (short stems) are becoming more favourable. However, despite the advantages of these stems, clinical results with a follow-up of more than 10 years are limited to a very few stem designs. There has been an increase in publications recently - mechanical and clinical studies - concerning the primary stability of short stems. Primary stem stability is an important factor as it reflects final stem stabilisation and is related to the clinical results of the prosthesis...
December 20, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30560696/increased-subchondral-bone-thickness-in-hips-with-cam-type-femoroacetabular-impingement
#6
Martina Bieri, Martin Beck, Andreas Limacher, Michael C Wyatt, Michael Leunig, Peter Jüni, Stephan Reichenbach
OBJECTIVES: Increased thickness of subchondral acetabular bone with associated articular cartilage thinning in hips with femoroacetabular (FAI) cam impingement has been observed on magnetic resonance imaging (MRI). Dynamic attrition by the cam deformity moving into the acetabulum may potentiate trans-articular shear stresses thus causing these subchondral bone changes. We aimed to quantify the hypertrophic changes of subchondral acetabular bone in patients with cam-type FAI. METHODS: MRI studies were performed on an asymptomatic population of young Swiss army recruits...
December 18, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30526123/age-matters-when-comparing-hemiarthroplasty-and-total-hip-arthroplasty-for-femoral-neck-fractures-in-medicare-patients
#7
Scott M Eskildsen, Ganesh V Kamath, Daniel J Del Gaizo
INTRODUCTION: The optimal treatment of patients with a displaced intracapsular femoral neck fracture remains controversial. We utilised a national database of Medicare patients to determine if there was any difference in complications and reoperation rate of patients undergoing total hip arthroplasty (THA) or hemiarthroplasty (HA) for femoral neck fractures. METHODS: This study utilised the PearlDiver Patient Records Database, a national for-fee database of Medicare patient procedure and diagnosis records from 2005 to 2012...
December 11, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30526072/mid-term-results-of-short-stem-total-hip-arthroplasty-in-patients-with-osteonecrosis-of-the-femoral-head
#8
Yingyong Suksathien, Jithayut Sueajui
PURPOSE: To evaluate the clinical and radiographic mid-term results of short-stem total hip arthroplasty (THA) in patients with osteonecrosis of the femoral head (ONFH). METHODS: We reviewed 83 cases that underwent Metha stem between November 2010 and November 2012. The appearance of bone trabeculae development and radiolucent line were reviewed and HHS was recorded at 6 months postoperatively then yearly to evaluate the clinical results. RESULTS: The mean age of patients was 43...
December 11, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30526117/statin-use-is-associated-with-less-postoperative-cardiac-arrhythmia-after-total-hip-arthroplasty
#9
Michael J Chen, Abiram Bala, James I Huddleston, Stuart B Goodman, William J Maloney, Alistair J Aaronson, Derek F Amanatullah
INTRODUCTION: While statins have been found to reduce postoperative atrial fibrillation after cardiac surgery, little is known about their use in total hip arthroplasty (THA). This study investigated if statins would similarly reduce postoperative arrhythmias in patients undergoing THA. METHODS: We queried a large Medicare and private-payer database from 2005 to 2012 and identified 12,075 patients who were on a statin prior to THA. We then age and sex matched 34,446 non-statin users who underwent THA...
December 10, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30522361/higher-offset-cross-linked-polyethylene-acetabular-liners-is-wear-a-significant-clinical-concern
#10
Ryan M Chapman, Douglas W Van Citters, Danielle Chapman, David F Dalury
INTRODUCTION: Total hip arthroplasty (THA) is the 2nd most common total joint replacement surgery in the United States. However, not all THA devices perform well and need revised for several reasons including dislocation. Higher offset acetabular liners reduce this problem by creating a more anatomically/biomechanically natural hip joint, increasing soft-tissue tension, and accommodating larger femoral heads in smaller acetabular cups via increased polyethylene thickness. To our knowledge, however, in vivo wear (another failure mode) performance of offset acetabular liners remains unknown...
December 7, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30520317/fingerprint-pattern-of-bone-mineralisation-on-cemented-and-uncemented-femoral-stems-analysis-by-18f-fluoride-pet-in-a-randomised-clinical-trial
#11
Gösta Ullmark, Jens Sörensen, Enn Maripuu, Olle Nilsson
PURPOSE: We present a randomised clinical study using 18F-fluoride positron emission tomography/computed tomography (F-PET/CT) to analyse the osteoblastic part of bone metabolism (new bone mineralisation) in periprosthetic bone adjacent to femoral stems following total hip arthoplasty (THA) surgery. Patients with hip osteoarthritis were randomly assigned to THA surgery with cemented or uncemented femoral components. PATIENTS AND METHODS: THA was performed on 26 patients (26 cases) with hip osteoarthritis...
December 6, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30501527/high-risk-of-complications-using-metal-heads-after-ceramic-fracture-in-total-hip-arthroplasty
#12
Nuria I Olmedo-Garcia, Luigi Zagra
BACKGROUND: There is some uncertainty about the bearing to be used to substitute a broken ceramic. Using metal components (head or liner) may lead to catastrophic wear of the metal. AIM: The purpose of this article is to describe the long-term follow-up result of ceramic fracture replaced with metal-on-polyethylene (MoP). METHODS: We report 3 cases of ceramic head fracture after ceramic-on-ceramic (CoC) total hip arthroplasty (THA) in which the broken ceramic was replaced with MoP...
December 3, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30499342/femoral-head-material-loss-at-the-head-neck-junction-in-total-hip-arthroplasty-the-effect-of-head-size-stem-material-and-stem-offset
#13
Giuseppe Valente, Brent Lanting, Steven MacDonald, Matthew G Teeter, Douglas Van Citters, James Howard
INTRODUCTION: Material loss at the head-neck junction in total hip arthroplasty may cause adverse clinical symptoms and implant failure. The purpose of this study was to quantitatively examine the effects of head size, stem material and stem offset on material loss of the head-neck taper interface of a single trunnion design in retrieval implants of metal on polyethylene bearing surfaces. METHODS: A retrieval study was performed to identify all 28-mm and 32-mm femoral heads from a single implant/taper design implanted for >2 years...
November 30, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30479165/metal-ion-concentrations-after-metal-on-metal-hip-arthroplasty-are-not-correlated-with-habitual-physical-activity-levels
#14
Jetse Jelsma, Martijn Gm Schotanus, Rachel Senden, Ide C Heyligers, Bernd Grimm
INTRODUCTION: Metal-on-metal (MoM) hip arthroplasties have shown high clinical failure rates with many patients at risk for a revision and under surveillance for high metal ion concentrations. Implant wear releasing such ions is assumed to be a function of use, i.e. the patient's physical activity. This study aimed to assess whether habitual physical activity levels of MoM patients are correlated with metal ion concentrations and are higher in patients with high (at risk) than in patients with low (safe) metal ion concentrations...
November 27, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30477358/transfusion-rates-with-intravenous-tranexamic-acid-in-total-hip-arthroplasty-performed-using-the-direct-anterior-approach
#15
Matthew D Free, David H Owen, Edward Pascoe, Penny Allen, Luke Yang, Paul Harvie
INTRODUCTION: Tranexamic acid (TXA) has been shown to reduce blood loss and transfusion requirements in patients undergoing total hip arthroplasty (THA). Most studies have focused on TXA in THA performed using a posterior approach (PA) or lateral approach. The aim of this study was to analyse the efficacy of TXA in patients undergoing THA using the direct anterior approach (DAA). PATIENTS AND METHODS: Using our institutional database, a retrospective analysis was conducted on consecutive primary THA performed for osteoarthritis to determine transfusion rates in patients undergoing THA with the DAA with and without TXA...
November 27, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30472893/is-a-cementless-fixation-of-the-femoral-component-suitable-for-metal-on-metal-hip-resurfacing-arthroplasty
#16
Harlan C Amstutz, Michel J Le Duff
BACKGROUND: Hip resurfacing arthroplasty (HRA) typically uses a hybrid design (cemented femoral component and cementless acetabular shell) but has recently been performed with fully cementless components. There is a paucity of information on the clinical performance of these cementless designs. METHODS: The UCLA clinical scores, SF-12 quality of life scores, complication rates, survivorship and radiographic signs of loosening or gross stress shielding of 39 hips (39 male patients) implanted with cementless HRA were compared with those of 40 hips (37 male patients) implanted with hybrid HRA during the same time frame...
November 26, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30472892/the-effect-of-conjoint-tendon-release-on-gait-after-direct-anterior-total-hip-arthroplasty
#17
Bryn O Zomar, Dianne Bryant, Susan Hunter, James L Howard, Brent A Lanting
INTRODUCTION: There has been considerable interest in the direct anterior (DA) approach to total hip arthroplasty (THA) recently. To facilitate exposure of the proximal femur it is sometimes necessary to release the conjoint tendon. AIM: To prospectively investigate whether release of the conjoint tendon has an impact on gait in the early postoperative period. METHODS: We measured gait velocity, stride length, single-limb support and single-limb support symmetry preoperatively, at discharge from the hospital, and 2, 6 and 12 weeks and postoperatively...
November 26, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30465436/diabetic-hip-arthropathy-is-associated-with-a-higher-prevalence-of-femoral-head-chondromalacia-a-case-controlled-study
#18
T David Luo, Alejandro Marquez-Lara, Austin V Stone, Sandeep Mannava, Elizabeth A Howse, Samuel Rosas, Michael S Schallmo, H Atil Atilla, Allston J Stubbs
INTRODUCTION: No previous studies have characterised hip joint disease in diabetic patients undergoing hip arthroscopy. The purpose of our study was to evaluate intra-articular hip pathology and surgical variables in patients with diabetes compared to matched, non-diabetic controls. We hypothesised that diabetic patients would demonstrate a higher prevalence and severity of hip chondral pathology. METHODS: We retrospectively reviewed 795 consecutive hip arthroscopies performed by a single surgeon between 2010 and 2015...
November 22, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30465435/posterior-open-book-approach-for-type-1-internal-hemipelvectomy
#19
John T Stranix, Neil M Vranis, Gretl Lam, Timothy Rapp, Pierre B Saadeh
INTRODUCTION: Internal limb-sparing hemipelvectomy is currently the preferred surgical option for resection of pelvic tumours. Obtaining an acceptable functional outcome through the standard ilioinguinal or iliofemoral incisions, only compounds the already challenging dissection, resection and reconstruction of these extensive en-bloc extirpative oncologic operations. SURGICAL TECHNIQUE: We describe a novel surgical approach to the lateral pelvis that minimises injury to the gluteal muscles, spares the gluteal vessels and provides a broad yet shallow operative field conducive to microsurgery with sizeable vasculature in close proximity to facilitate any microsurgical reconstruction...
November 22, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/30456991/avascular-necrosis-post-unstable-slipped-capital-femoral-epiphysis-a-treatment-algorithm-with-staged-hinged-hip-distraction-mid-term-results
#20
Balasubramanian Balakumar, Sanjeev Madan
BACKGROUND: Management of avascular necrosis (AVN) of the femoral head in slipped capital femoral epiphysis (SCFE) is difficult. We proposed to ascertain if staged hip distraction could prevent collapse and recover the femoral head. METHODS: A retrospective review of the hip database retrieved 16 children with unstable SCFE and AVN. All underwent capital realignment by surgical dislocation followed by 2nd-stage hinged hip distraction. Patient demographics and radiographic parameters of deformity, AVN and arthritis were collected...
November 20, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
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