Good sensitivity and specificity of ultrasound for detecting pseudotumors in 83 failed metal-on-metal hip replacements.

abstract：BACKGROUND AND PURPOSE:We have previously shown that during the first 2 years after total hip arthroplasty (THA), periprosthetic bone resorption can be prevented by 6 months of risedronate therapy. This follow-up study investigated this effect at 4 years. PATIENTS AND METHODS:A single-center, double-blind, randomized ...

journal_title：Acta orthopaedica

authors： Muren O,Akbarian E,Salemyr M,Bodén H,Eisler T,Stark A,Sköldenberg O

更新日期：2015-01-01 00:00:00

abstract：:Background and purpose - Uncemented stems are increasingly used in revision hip arthroplasty, but only a few studies have analyzed the outcomes of uncemented and cemented revision stems in large cohorts of patients. We compared the results of uncemented and cemented revision stems. Patients and methods - 1,668 uncemen...

journal_title：Acta orthopaedica

authors： Tyson Y,Rolfson O,Kärrholm J,Hailer NP,Mohaddes M

更新日期：2019-10-01 00:00:00

abstract：:Background and purpose - Recent studies have revealed deficiencies in the accuracy of data from joint registries when reoperations for prosthetic joint infections (PJIs) are reported, particularly when no components are changed. We compared the accuracy of data from the New Zealand Joint Registry (NZJR) to a multicent...

journal_title：Acta orthopaedica

authors： Zhu M,Ravi S,Frampton C,Luey C,Young S

更新日期：2016-08-01 00:00:00

abstract：:Background and purpose - Several surgical approaches are used in primary total hip arthroplasty (THA). In this randomized controlled trial we compared gait, risk of fall, self-reported and clinical measurements between subjects after direct superior approach (DSA) versus posterolateral approach (PL) for THA. Patients ...

journal_title：Acta orthopaedica

authors： Ulivi M,Orlandini L,Vitale JA,Meroni V,Prandoni L,Mangiavini L,Rossi N,Peretti GM

更新日期：2021-01-07 00:00:00

abstract：BACKGROUND AND PURPOSE:External fixators allowing movement during fracture healing are commonly used for treatment of unstable distal radius fractures. The dynamic Dynawrist fixator with the distal pins in metacarpal bone may avoid fixation problems in comminuted fractures and may reduce the risk of nerve injury. We co...

journal_title：Acta orthopaedica

authors： Krukhaug Y,Ugland S,Lie SA,Hove LM

更新日期：2009-02-01 00:00:00

abstract：:Background and purpose - Survivorship of total hip arthroplasty (THA) with the ultra-high molecular weight polyethylene (UHMWPE) monoblock cup has been limited due to periprosthetic osteolysis and aseptic loosening, secondary to wear of the UHMWPE. In response, a vitamin E blended highly cross-linked polyethylene (HXL...

journal_title：Acta orthopaedica

authors： Massier JRA,Van Erp JHJ,Snijders TE,Gast A

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In recent years several different plate designs for internal fixation of fractures of the distal radius have been developed. However, few biomechanical studies have been performed to compare these new implants. The purpose of this study was to compare the mechanical properties of 5 different comm...

journal_title：Acta orthopaedica

authors： Krukhaug Y,Gjerdet NR,Lundberg OJ,Lilleng PK,Hove LM

更新日期：2009-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Optical coherence tomography (OCT) is a light-based imaging technique suitable for depiction of thin tissue layers such as articular cartilage. Quantification of results and direct comparison with a reference standard is needed to confirm the role of OCT in cartilage evaluation. MATERIALS AND ME...

journal_title：Acta orthopaedica

authors： Cernohorsky P,Kok AC,Bruin DM,Brandt MJ,Faber DJ,Tuijthof GJ,Kerkhoffs GM,Strackee SD,van Leeuwen TG

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:Cyclooxigenase-2 (COX-2) inhibitors have been reported to delay fracture healing. To investigate the major inhibitory period of COX-2 inhibitors in fracture healing, we administrated etodolac, a COX-2-specific inhibitor, to a rat fracture model by altering the period of administration from early to late. ME...

journal_title：Acta orthopaedica

authors： Endo K,Sairyo K,Komatsubara S,Sasa T,Egawa H,Ogawa T,Yonekura D,Murakami R,Yasui N

更新日期：2005-08-01 00:00:00

abstract：:Background and purpose - The uncemented Symax hip stem has shown early proximal ingrowth as result of the BONIT-hydroxyapatite (HA) coating and the distal DOTIZE surface treatment. We evaluated 2-year postoperative radiostereometric analysis (RSA) migration of the Symax hip stem in THA patients. We also investigated t...

journal_title：Acta orthopaedica

authors： Kruijntjens DSMG,Koster L,Kaptein BL,Jutten LMC,Arts JJ,Ten Broeke RHM

更新日期：2020-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The reproducibility of results and potential confounders in sample-based studies is important to consider in the assessment of studies. Comprehensive arthroplasty registers could serve as a reference dataset for comparative analyses. We analyzed an implant that is frequently used worldwide, the O...

journal_title：Acta orthopaedica

authors： Labek G,Sekyra K,Pawelka W,Janda W,Stöckl B

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In unstable distal radial fractures that are impossible to reduce or to maintain in reduced position, the treatment of choice is operation. The type of operation and the choice of implant, however, is a matter of discussion. Our aim was to investigate whether open reduction and internal fixation ...

journal_title：Acta orthopaedica

authors： Abramo A,Kopylov P,Geijer M,Tägil M

更新日期：2009-08-01 00:00:00

abstract：:Background and purpose - The long-term effects of computer-assisted surgery in total knee replacement (CAS) compared to conventionally operated knee replacement (CON) are still not clear. We compared survivorship and relative risk of revision in CAS and CON based on data from the Norwegian Arthroplasty Register. Patie...

journal_title：Acta orthopaedica

authors： Dyrhovden GS,Fenstad AM,Furnes O,Gøthesen Ø

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:Treatment of fractures of the humeral head remains controversial. We reviewed the outcome of our treatment of 2- and 3-part fractures of the proximal humerus using external fixation as a way of preventing damage to the vascularity of the humeral head and of reducing the risk of infection associated with open...

journal_title：Acta orthopaedica

authors： Martin C,Guillen M,Lopez G

更新日期：2006-04-01 00:00:00

abstract：BACKGROUND:The use of impaction grafting in revisions with larger acetabular bone defects has mixed outcomes and sometimes high failures rates. PATIENTS AND METHODS:This prospective, single-center study involved a consecutive series of 24 patients who underwent complex reconstruction of the acetabulum using a trabecul...

journal_title：Acta orthopaedica

authors： Borland WS,Bhattacharya R,Holland JP,Brewster NT

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:By arthroscopy, we observed a phenomenon that, according to our knowledge not previously described, we call the "biceps tendon footprint" (BTF)--an area of chondromalacia beside the bicipital groove. PATIENTS AND METHODS:We studied 118 shoulder arthroscopies prospectively. We documented whether a BTF could ...

journal_title：Acta orthopaedica

authors： Sistermann R

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND:Bone-saving hip arthroplasty techniques, which facilitate revision, are gaining importance as the number of hip replacements in younger patients increases. PATIENTS AND METHODS:123 CUT femoral neck prostheses (ESKA Implants, Lübeck, Germany) were implanted in 113 patients (average age 53 years) between 1999...

journal_title：Acta orthopaedica

authors： Ender SA,Machner A,Pap G,Hubbe J,Grashoff H,Neumann HW

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Most lung cancer patients with skeletal metastases have a short survival and it is difficult to identify those patients who will benefit from palliative surgery. We report complication and survival rates in a consecutive series of lung cancer patients who were operated for symptomatic skeletal me...

journal_title：Acta orthopaedica

authors： Weiss RJ,Wedin R

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:In recent years, intramedullary nails (INs) for the treatment of pertrochanteric hip fractures have gained prominence relative to conventional, sliding hip screws (SHSs). There is little empirical background for this development, however. A previous series of ours suggested that the use of SHS wa...

journal_title：Acta orthopaedica

authors： Palm H,Lysén C,Krasheninnikoff M,Holck K,Jacobsen S,Gebuhr P

更新日期：2011-04-01 00:00:00

abstract：:Background and purpose - Modular-neck hip stems have been identified with corrosion-related problems from the neck-stem junction. We report an ongoing varus deformity of modular-neck hip stems with simultaneous metal ion release observed during a study comparing the migration of modular vs. standard hip stems. Patient...

journal_title：Acta orthopaedica

authors： Kiernan S,Kaptein B,Flivik C,Sundberg M,Flivik G

更新日期：2020-12-10 00:00:00

abstract：BACKGROUND AND PURPOSE:We have previously shown that early fracture callus of rat rib has viscoelastic and contractile properties resembling those of smooth muscle. The cells responsible for this contractility have been hypothesized to be myofibroblast-like in nature. In soft-tissue healing, force generated by contract...

journal_title：Acta orthopaedica

authors： McDonald SJ,Dooley PC,McDonald AC,Schuijers JA,Ward AR,Grills BL

更新日期：2012-02-01 00:00:00

abstract：:- Knee pathologies including focal cartilage injuries, osteoarthritis (OA), and ligament injuries are common. The poor regeneration and healing potential of cartilage has led to the search for other treatment modalities with improved healing capacity. Furthermore, with an increasing elderly population that desires to ...

journal_title：Acta orthopaedica

authors： Moatshe G,Morris ER,Cinque ME,Pascual-Garrido C,Chahla J,Engebretsen L,Laprade RF

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Following metal-on-metal hip arthroplasty (THA), immunological reactions including changes in lymphocyte populations, aseptic loosening, and lymphocytic pseudotumors occur. We hypothesized that changes in lymphocyte subpopulations would be associated with elevated metal ion concentrations. METHO...

journal_title：Acta orthopaedica

authors： Hailer NP,Blaheta RA,Dahlstrand H,Stark A

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Symptomatic treatment of osteoarthritis of the knee with leeches is presently undergoing a renaissance. Previous studies have shown methodical weaknesses. In the present study patients were blinded regarding the treatment, and a control group was included to explore possible differences in variou...

journal_title：Acta orthopaedica

authors： Andereya S,Stanzel S,Maus U,Mueller-Rath R,Mumme T,Siebert CH,Stock F,Schneider U

更新日期：2008-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Total knee replacements (TKRs) are being increasingly performed in patients aged < or = 65 years who often have high physical demands. We investigated the relation between age of the patient and prosthesis survival following primary TKR using nationwide data collected from the Finnish Arthroplast...

journal_title：Acta orthopaedica

authors： Julin J,Jämsen E,Puolakka T,Konttinen YT,Moilanen T

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND:To overcome the mismatch between a stiff stem and the more elastic bone, the concept of isoelasticity was introduced in the 1970s. This concept was based on the assumption that the implant and the bone should deform as one unit to avoid stress shielding. The Robert Mathys (RM) cementless total hip replacemen...

journal_title：Acta orthopaedica

authors： Trebse R,Milosev I,Kovac S,Mikek M,Pisot V

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND:It is not known whether postoperative occupational therapy is of value for hip fracture patients. In this randomized trial we evaluated the effects of an individualized, postoperative, occupational training (OT) program on the patient's self-reported health-related quality of life (HRQL) and self-reported ab...

journal_title：Acta orthopaedica

authors： Hagsten B,Svensson O,Gardulf A

更新日期：2006-02-01 00:00:00

abstract：UNLABELLED:BACKGROUND AND PURPOSE Over the last 5 years, there has been increasing interest in reducing length of hospitalization (LOS) through accelerated programs. We examined the clinical outcome of patients undergoing a unicompartmental knee replacement (UKR) in an accelerated care program (A group) compared to a c...

journal_title：Acta orthopaedica

authors： Borgwardt L,Zerahn B,Bliddal H,Christiansen C,Sylvest J,Borgwardt A

更新日期：2009-06-01 00:00:00

abstract：PURPOSE:We used patient-reported outcome and risk of revision to compare hemiarthroplasty (HA) with total shoulder arthroplasty (TSA) and stemmed hemiarthroplasty (SHA) with resurfacing hemiarthroplasty (RHA) in patients with glenohumeral osteoarthritis. PATIENTS AND METHODS:We included all patients reported to the Da...

journal_title：Acta orthopaedica

authors： Rasmussen JV,Polk A,Brorson S,Sørensen AK,Olsen BS

更新日期：2014-04-01 00:00:00

abstract：BACKGROUND:The advent of highly crosslinked polyethylene has allowed the re-evaluation of the use of femoral heads larger than 32 mm for metal-on-polyethylene total hip arthroplasties. However, the effect of larger heads on the frictional torque of highly crosslinked polyethylene is unknown. METHODS:We performed an in...

journal_title：Acta orthopaedica

authors： Burroughs BR,Muratoglu OK,Bragdon CR,Wannomae KK,Christensen S,Lozynsky AJ,Harris WH

更新日期：2006-10-01 00:00:00