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https://www.readbyqxmd.com/read/27917354/results-of-a-hydroxyapatite-coated-femoral-stem-corail-in-chinese-a-minimum-10-year-follow-up
#1
Jianda Xu, Zikang Xie, Jianning Zhao, Yi Gao, Hong Zhao, Libo Peng, Yuxing Qu
BACKGROUND: Due to the adverse effects of cemented hip arthroplasty, uncemented stems with hydroxyapatite (HA) coating reduces these risks and enhanced integration. The concept of an extensive HA coating for the fixation of a tapered femoral stem (Corail(®)) was introduced, which can achieve durable biological fixation and preserve normal periprosthetic bone activity. Here we describe the clinical and radiological outcome in patients with the Corail(®) stem. METHODS: 92 total hip replacements in 81 patients using the Corail(®) stem were followed-up...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27914976/cementless-lateralized-stems-in-primary-tha-mid-term-survival-and-risk-factors-for-failure-in-172-stems
#2
C Courtin, A Viste, F Subtil, O Cantin, R Desmarchelier, M H Fessy
INTRODUCTION: Increasing the femoral offset when performing total hip arthroplasty (THA) theoretically increases the stresses and risks of the stem not integrating itself into bone. But this concept has not been validated for cementless stems; this led us to conduct a retrospective study to determine: (1) risk factors for the occurrence of symptomatic femoral radiological abnormalities, (2) the incidence of these abnormal radiological findings, (3) the revision rate for aseptic non-integration of a cementless lateralized stem...
November 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27874909/risk-factors-for-intraoperative-proximal-femoral-fracture-during-primary-cementless-tha
#3
Ran Zhao, Hong Cai, Yanqing Liu, Hua Tian, Ke Zhang, Zhongjun Liu
Intraoperative proximal femoral fracture, one of the most common complications of total hip arthroplasty (THA), occurs more often in cementless procedures and can affect rehabilitation, hospitalization time, and cost of treatment. The goal of this study was to identify risk factors for intraoperative proximal femoral fracture in THA to identify high-risk groups preoperatively and minimize the incidence of this complication. This nested case-control study included 904 primary cementless THA procedures (769 patients) performed between January 2009 and July 2015...
November 22, 2016: Orthopedics
https://www.readbyqxmd.com/read/27829734/601-metal-on-metal-total-hip-replacements-with-36%C3%A2-mm-heads-a-5-minimum-year-follow-up-levels-of-armd-remain-low-despite-a-comprehensive-screening-program
#4
Amit Atrey, Alister Hart, Nasir Hussain, Jonathon Waite, Andrew J Shepherd, Steve Young
BACKGROUND: We conducted a retrospective study to assess the clinical outcome, failure rate, and reason for failure of a large consecutive series of 36 mm MoM Corail/Pinnacle total hip replacements (THRs). METHODS: Between 2006 and 2011, 601 consecutive 36 mm MoM THRs were performed (585 patients). Patients were followed according to the UK Medicines and Healthcare Products Regulatory Agency (MHRA) guidelines. All patients were accounted for and 469 patients (78%) were clinically and radiographically assessed...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27768218/varus-will-have-varus-a-radiological-study-to-assess-and-predict-varus-stem-placement-in-uncemented-femoral-stems
#5
Colin G Murphy, Michel P Bonnin, Antoine H Desbiolles, Yannick Carrillon, Tarik Aїt Si Selmi
BACKGROUND: Varus inclination of the uncemented stem is not necessarily a technical error. The proximal femoral anatomy of hips with a coxa vara deformity frequently predisposes varus inclination. METHODS: We reviewed a series of 200 patients undergoing primary uncemented THA with the Corail® hip system. Preoperative data were based on patient demographics, diagnosis, and radiographic information (preoperative templating-CT measurements), and compared postoperative alignment for each stem and type of stem used...
October 15, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27704611/the-variation-in-taper-surface-roughness-for-a-single-design-effects-the-wear-rate-in-total-hip-arthroplasty
#6
Robert K Whittaker, Harry S Hothi, Antti Eskelinen, Gordon W Blunn, John A Skinner, Alister J Hart
Material loss from the head-stem taper junction of total hip arthroplasty (THA) is implicated in adverse reactions to metal debris (ARMD); the mechanisms for this are multi-factorial. We investigated the relationship between the roughness of the 'as manufactured' taper surface and the wear rate from this junction. 50 retrieved Pinnacle metal-on-metal (MOM) bearings paired with a Corail stem were included in the study. Multivariable statistical analysis was performed to determine the influence of taper roughness on material loss rate after controlling for other confounding surgical, implant and patient factors...
October 5, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27436922/differences-in-subsidence-rate-between-alternative-designs-of-a-commonly-used-uncemented-femoral-stem
#7
Munnan Al-Najjim, Usman Khattak, Juluis Sim, Iain Chambers
INTRODUCTION: Measurement of early subsidence of uncemented femoral stems can be used to evaluate the likelihood of long term stem component loosening and therefore clinical failure. Our aim was to evaluate the factors associated with subsidence in collared and uncollared versions of the Corail femoral stem. METHODS: 121 hips in 113 consecutive patients were studied, operated on by two surgeons in our hospital differing in their choice of Corail stem. This gave two groups of patients with 66 hips having collared stems and 55 hips having uncollared...
December 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27131803/femoral-revision-surgery-using-a-fully-hydroxyapatite-coated-stem-a-cohort-study-of-twenty-two-to-twenty-seven%C3%A2-years
#8
Olav Reikerås
PURPOSE: Femoral component revision with either cemented or proximally coated stems has been disappointing, but revision with extensively coated stems has been promising. Our purpose was to evaluate the long-term outcome using an extensively hydroxyapatite (HA)-coated stem in femoral revisions surgery. METHODS: During 1988-1993 we performed 66 femoral revisions in 65 patients (49 women), mean age 58 (range, 28-86) years. We used a grit-blasted straight stem made of TiAl6V4 designed for press-fit insertion (Landos Corail; Landanger, Chaumont, France)...
April 30, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/26726098/cementless-corail%C3%A2-femoral-stems-with-laser-neck-etching-long-term-survival-rupture-rate-and-risk-factors-in-295-stems
#9
A Merini, A Viste, R Desmarchelier, M-H Fessy
INTRODUCTION: Implant neck fracture involving a non-modular femoral stem is rare in primary total hip arthroplasty (THA). Occasional cases have been reported following laser etching of the Corail(tm) stem, but risk factors have not been precisely determined. We therefore performed a retrospective study on a series of Corail(tm) stems with laser neck etching, in order to: (1) determine the exact implant neck fracture rate at 10 years, and (2) identify associated risk factors. HYPOTHESIS: Laser etching increases the rate of implant neck fracture...
February 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/26680411/long-term-bone-remodeling-in-ha-coated-stems-a-radiographic-review-of-208-total-hip-arthroplasties-thas-with-15-to-20-years-follow-up
#10
Jens G Boldt, Jean-Claude Cartillier, Alain Machenaud, Jean-Pierre Vidalain
We present a prospective study focused on radiographic long-term outcomes and bone remodeling at a mean of 17.0 years (range: 15 to 20) in 208 cementless fully HA-coated femoral stems (Corail, DePuy International Ltd, Leeds, UK). Total hip replacements in this study were performed by three members of the surgeon design group between 1986 and 1991. Radiographic evaluation focused on periprosthetic osteolysis, bone remodeling, osseous integration, subsidence, metaphyseal or diaphyseal load transfer, and femoral stress shielding...
November 2015: Surgical Technology International
https://www.readbyqxmd.com/read/26528934/total-hip-arthroplasty-with-minimal-invasive-surgery-in-elderly-patients-with-neck-of-femur-fractures-our-institutional-experience
#11
RANDOMIZED CONTROLLED TRIAL
Jean-Christophe Bel, Jean-Paul Carret
The purpose of this study was to investigate whether minimal invasive surgery (MIS) in elderly patients with neck of femur fractures would reduce the peri-operative complications and improve the post-operative ambulation and length of hospital stay in his cohort of patients. Forty elderly patients were treated with either total hip arthroplasty (THA) or bipolar prosthesis using MIS transgluteal approach. A matched reference group treated with a conventional surgical approach formed the control group. All procedures were performed by the same surgeon...
January 2015: Injury
https://www.readbyqxmd.com/read/26476972/compared-fixation-and-survival-of-280-lateralised-vs-527-standard-cementless-stems-after-two-years-1-7
#12
O Cantin, A Viste, R Desmarchelier, J-L Besse, M H Fessy
BACKGROUND: Restoring the native hip anatomy increases hip prosthesis survival, whereas increased femoral lateralisation creates high torque stresses that may alter prosthesis fixation. After finding lucent lines around cementless lateralised stems (Corail™, DePuy Synthes, St Priest, France) in several patients, we evaluated the effects of lateralisation in a large case-series. The objective of our study was to compare lateralised vs standard stems of identical design in terms of radiological osteo-integration and survival...
November 2015: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/26033052/increased-incidence-of-femoral-fractures-in-small-femurs-and-women-undergoing-uncemented-total-hip-arthroplasty-why
#13
M P Bonnin, C C Neto, T Aitsiselmi, C G Murphy, N Bossard, S Roche
The aim of this study was to investigate the relationship between the geometry of the proximal femur and the incidence of intra-operative fracture during uncemented total hip arthroplasty (THA). We studied the pre-operative CT scans of 100 patients undergoing THA with an uncemented femoral component. We measured the anteroposterior and mediolateral dimensions at the level of division of the femoral neck to calculate the aspect ratio of the femur. Wide variations in the shape of the femur were observed, from round, to very narrow elliptic...
June 2015: Bone & Joint Journal
https://www.readbyqxmd.com/read/25655958/influence-of-stem-type-on-material-loss-at-the-metal-on-metal-pinnacle-taper-junction
#14
COMPARATIVE STUDY
Harry S Hothi, Robert K Whittaker, Jay M Meswania, Gordon W Blunn, John A Skinner, Alister J Hart
The clinical importance of material loss at the head-stem junction is unknown. Comparison of retrievals with different stem types can provide the opportunity to understand the importance of the taper junction. This was a case-control study involving 20 retrieved 36 mm metal-on-metal Pinnacle (DePuy) hips that were paired with either a Corail (n = 10) or S-ROM (n = 10) stem. The median head taper material loss rate for the Corail group was 0.238 (0.0002-2.178) mm(3)/year and was significantly greater than the S-ROM group (p = 0...
January 2015: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/25655956/determining-material-loss-from-the-femoral-stem-trunnion-in-hip-arthroplasty-using-a-coordinate-measuring-machine
#15
Martin C Bone, Raghavendra P Sidaginamale, James K Lord, Susan C Scholes, Thomas J Joyce, Anthony V F Nargol, David J Langton
In contrast to the articulating and taper surfaces of failed total hip replacements, volumetric wear analysis of trunnions is not routinely performed. Metal wear particles from the trunnion may contribute not only to the failures of metal-on-metal total hip replacements but also to all hip replacements utilising metal trunnions. A validation study was performed with the material removed in stages from the trunnions of an Exeter V40 stem, a Corail stem and an Accolade stem to simulate different magnitudes of wear...
January 2015: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/25568420/hemiarthroplasty-using-cemented-or-uncemented-stems-of-proven-design-a-comparative-study
#16
COMPARATIVE STUDY
G Grammatopoulos, H A Wilson, B J L Kendrick, E C Pulford, J Lippett, M Deakin, A J Andrade, G Kambouroglou
National Institute of Clinical Excellence guidelines state that cemented stems with an Orthopaedic Data Evaluation Panel (ODEP) rating of > 3B should be used for hemiarthroplasty when treating an intracapsular fracture of the femoral neck. These recommendations are based on studies in which most, if not all stems, did not hold such a rating. This case-control study compared the outcome of hemiarthroplasty using a cemented (Exeter) or uncemented (Corail) femoral stem. These are the two prostheses most commonly used in hip arthroplasty in the UK...
January 2015: Bone & Joint Journal
https://www.readbyqxmd.com/read/25274795/periprosthetic-femoral-fracture-within-two-years-after-total-hip-replacement-analysis-of-437-629-operations-in-the-nordic-arthroplasty-register-association-database
#17
Truike M Thien, Georgios Chatziagorou, Göran Garellick, Ove Furnes, Leif I Havelin, Keijo Mäkelä, Søren Overgaard, Alma Pedersen, Antti Eskelinen, Pekka Pulkkinen, Johan Kärrholm
BACKGROUND: We used the Nordic Arthroplasty Register Association database to evaluate whether age, sex, preoperative diagnosis, fixation, and implant design influence the risk of revision arthroplasty due to periprosthetic fracture within two years from operation of a primary total hip replacement. METHODS: Included in the study were 325,730 cemented femoral stems and 111,899 uncemented femoral stems inserted from 1995 to 2009. Seven frequently used stems (two cemented stems [Exeter and Lubinus SP II] and five uncemented stems [Bi-Metric, Corail, CLS Spotorno, ABG I, and ABG II]) were specifically studied...
October 1, 2014: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/25245733/outcomes-of-a-metal-on-metal-total-hip-replacement-system
#18
G S Matharu, K Theivendran, P B Pynsent, L Jeys, A M Pearson, D J Dunlop
INTRODUCTION: High short-term failure rates have been reported for a variety of metal-on-metal (MoM) total hip replacements (THRs) owing to adverse reactions to metal debris (ARMD). This has led to the withdrawal of certain poorly performing THRs. This study analysed the outcomes of a MoM THR system. METHODS: Between 2004 and 2010, 578 uncemented MoM THRs (511 patients, mean age: 60.0 years) were implanted at one specialist centre. The THR system used consisted of the Corail(®) stem, Pinnacle(®) cup, Ultamet(®) liner and Articul/eze(®) femoral head (all DePuy, Leeds, UK)...
October 2014: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/24589782/a-comparison-of-the-use-of-uncemented-hydroxyapatite-coated-bipolar-and-cemented-femoral-stems-in-the-treatment-of-femoral-neck-fractures-a-case-control-study
#19
COMPARATIVE STUDY
K R Bell, N D Clement, P J Jenkins, J F Keating
We performed a case-control study to compare the rates of further surgery, revision and complications, operating time and survival in patients who were treated with either an uncemented hydroxyapatite-coated Corail bipolar femoral stem or a cemented Exeter stem for a displaced intracapsular fracture of the hip. The mean age of the patients in the uncemented group was 82.5 years (53 to 97) and in the cemented group was 82.7 years (51 to 99) We used propensity score matching, adjusting for age, gender and the presence or absence of dementia and comorbidities, to produce a matched cohort receiving an Exeter stem (n = 69) with which to compare the outcome of patients receiving a Corail stem (n = 69)...
March 2014: Bone & Joint Journal
https://www.readbyqxmd.com/read/24366798/verification-of-the-australian-orthopaedic-association-national-joint-replacement-registry-using-a-surgeon-s-database
#20
Bob Jang, Nichola A Walsh, Warwick J M Bruce
PURPOSE: To assess the completeness of registration and any discrepancies between the senior author's database and the Australian Orthopaedic Association National Joint Replacement Registry (AOA NJRR). METHODS: From 2002 to 2005, the senior author performed 231 primary total hip arthroplasty (THA) on 217 patients using the Corail femoral stem and one of the 3 types of the acetabular component: Pinnacle, ASR, or Duraloc/Option. The name of each patient was forwarded to the AOA NJRR for matching and verification...
December 2013: Journal of Orthopaedic Surgery
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