New Zealand Joint Registry data underestimates the rate of prosthetic joint infection.

abstract：:Background and purpose - About one-fourth of hip fracture patients have cognitive impairment. We investigated whether patients' cognitive function affects surgical treatment, risk of reoperation, and mortality after hip fracture, based on data in the Norwegian Hip Fracture Register (NHFR).Patients and methods - This p...

journal_title：Acta orthopaedica

authors： Kristoffersen MH,Dybvik E,Steihaug OM,Kristensen TB,Engesaeter LB,Ranhoff AH,Gjertsen JE

更新日期：2020-04-01 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：:Perspective Orthopaedic training in the United Kingdom has changed little from the Halstedian apprenticeship model of graduated responsibility, with the mantra "see one, do one, teach one". Whilst still relevant in surgical teaching, the current and ongoing disruption to surgical training secondary to the coronavirus ...

journal_title：Acta orthopaedica

authors： Arshad A,Zaveri A,Atkinson H

更新日期：2020-11-11 00:00:00

abstract：BACKGROUND AND PURPOSE:Ultrasound is used for imaging of pseudotumors associated with metal-on-metal (MoM) hips. Ultrasound has been compared with magnetic resonance imaging, but to date there have been no studies comparing ultrasound findings and revision findings. METHODS:We evaluated the sensitivity and specificity...

journal_title：Acta orthopaedica

authors： Lainiala O,Elo P,Reito A,Pajamäki J,Puolakka T,Eskelinen A

更新日期：2015-06-01 00:00:00

abstract：:Background and purpose - Femoral neck preserving hip replacement has been suggested to improve clinical results and facilitate late revision. We compared the 2-year outcome and radiostereometric pattern of femoral head migration between the Collum Femoris Preserving (CFP) stem and the Corail stem. Patients and methods...

journal_title：Acta orthopaedica

authors： Klein LJ,Puretic G,Mohaddes M,Kärrholm J

更新日期：2019-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Porous titanium (Ti) particles can be impacted like cancellous allograft bone particles, and may therefore be used as bone substitute in impaction grafting. We evaluated the effect of impaction and of a thin silicated biphasic calcium phosphate coating on osteoconduction by Ti particles. METHODS...

journal_title：Acta orthopaedica

authors： Walschot LH,Schreurs BW,Verdonschot N,Buma P

更新日期：2011-06-01 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 AND PURPOSE:No prospective surveillance systems have been available for monitoring the outcome of cruciate ligament surgery in Scandinavia (Denmark, Norway, and Sweden). In the present paper we describe the Scandinavian ACL registries including their main function, similarities, and preliminary baseline resu...

journal_title：Acta orthopaedica

authors： Granan LP,Forssblad M,Lind M,Engebretsen L

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Several studies have shown that nicotine has a detrimental effect on the development of rotator cuff tear. However, little is known about its mechanism. We evaluated the effect of nicotine on the maximum tensile load, the maximum tensile stress, and the elastic modulus of the supraspinatus tendon...

journal_title：Acta orthopaedica

authors： Ichinose R,Sano H,Kishimoto KN,Sakamoto N,Sato M,Itoi E

更新日期：2010-10-01 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：BACKGROUND:The coronal alignment of the lower limb is important for knee reconstruction procedures. However, normal alignment is hard to define because of its wide variation among normal individuals. Our hypothesis was that the variation in the normal anatomy as assessed by radiography is greater than commonly accepted...

journal_title：Acta orthopaedica

authors： Jenny JY,Boeri C,Ballonzoli L

更新日期：2005-06-01 00:00:00

abstract：:Background and purpose - A 2-stage revision is the most common treatment for late deep prosthesis-related infections and in all cases of septic loosening. However, there is no consensus about the optimal interval between the 2 stages. Patients and methods - We retrospectively studied 120 deep infections of total hip (...

journal_title：Acta orthopaedica

authors： Janssen DM,Geurts JA,Jütten LM,Walenkamp GH

更新日期：2016-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Internal fixation (IF) in femoral neck fractures has high reoperation rates and some predictors of failure are known, such as age, quality of reduction, and implant positioning. Finding new predictors of failure is an ongoing process, and in this study we evaluated the importance of low bone mine...

journal_title：Acta orthopaedica

authors： Viberg B,Ryg J,Overgaard S,Lauritsen J,Ovesen O

更新日期：2014-02-01 00:00:00

abstract：:Background and purpose - Socioeconomic status is associated with the outcome of major surgery. We investigated the association of socioeconomic status with the risk of early mortality and readmissions after primary total hip arthroplasty (THA). Patients and methods - We obtained information on income, education, immig...

journal_title：Acta orthopaedica

authors： Weiss RJ,Kärrholm J,Rolfson O,Hailer NP

更新日期：2019-06-01 00:00:00

abstract：:Background and purpose - Osteoarthritis has become the most common indication for shoulder arthroplasty in Denmark, and the treatment strategies have changed towards the use of anatomical total shoulder arthroplasty and reverse shoulder arthroplasty. We investigated whether changes in the use of arthroplasty types hav...

journal_title：Acta orthopaedica

authors： Rasmussen JV,Amundsen A,Sørensen AKB,Klausen TW,Jakobsen J,Jensen SL,Olsen BS

更新日期：2019-10-01 00:00:00

abstract：BACKGROUND:The aims of this study were to quantify the risk and identify the causes of early postoperative mortality after total hip arthroplasty. This would help clinicians address preventable causes of death and help in accurate counseling and consenting of patients. METHODS:We determined the death rate at 90 days i...

journal_title：Acta orthopaedica

authors： Blom A,Pattison G,Whitehouse S,Taylor A,Bannister G

更新日期：2006-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Resurfacing total hip arthroplasty (RTHA) may preserve the femoral neck bone stock postoperatively. Bone mineral density (BMD) may be affected by the hip position, which might bias longitudinal studies. We investigated the dependency of BMD precision on type of ROI and hip position. METHOD:We DX...

journal_title：Acta orthopaedica

authors： Penny JØ,Ovesen O,Brixen K,Varmarken JE,Overgaard S

更新日期：2010-06-01 00:00:00

abstract：:Background and purpose - Virtual reality simulation of hip fracture surgery is available for orthopedic residents nationwide in Denmark. Summative assessment of learning applying the learning curve cumulative summation test (LC-CUSUM) has not been utilized in orthopedic simulation training. The strength of the LC-CUSU...

journal_title：Acta orthopaedica

authors： Rölfing JD,Jensen RD,Paltved C

更新日期：2020-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Several mechanisms are responsible for patellar dislocation. We investigated how the primary pathomechanism relates to patient characteristics and the outcome. METHODS:126 patients (81 females) with primary patellar dislocation reported the knee position before the episode, the movement during i...

journal_title：Acta orthopaedica

authors： Nikku R,Nietosvaara Y,Aalto K,Kallio PE

更新日期：2009-08-01 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 - Patients having a total knee arthroplasty (TKA) after a previous high tibial osteotomy (HTO) constitute a minor group among those undergoing primary TKA for knee osteoarthritis (OA). There have been few reports on whether such patients differ pre- and postoperatively from those who undergo TKA...

journal_title：Acta orthopaedica

authors： W-Dahl A,Robertsson O

更新日期：2016-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:(18)F-FDG PET is a widely used tool for molecular imaging of oncological, cardiovascular, and neurological disorders. We evaluated (18)F-FDG microPET as an implant osteomyelitis imaging tool using a Staphylococcus aureus-induced peroperative implant infection in rabbits. METHODS:Intramedullary t...

journal_title：Acta orthopaedica

authors： Odekerken JC,Brans BT,Welting TJ,Walenkamp GH

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Extracorporeal shock wave treatment has been used successfully for the treatment of avascular necrosis of the femoral head. The pathway of biological events by which this is accomplished has not been fully elucidated. BMP-2 is a key mediator of bone development and repair, and is uniquely require...

journal_title：Acta orthopaedica

authors： Ma HZ,Zeng BF,Li XL,Chai YM

更新日期：2008-02-01 00:00:00

abstract：:Background and purpose - Hemiarthroplasty (HA) is the most common treatment for displaced femoral neck fractures in many countries. In Norway, there has been a tradition of using the direct lateral surgical approach, but worldwide a posterior approach is more often used. Based on data from the Norwegian Hip Fracture R...

journal_title：Acta orthopaedica

authors： Kristensen TB,Vinje T,Havelin LI,Engesæter LB,Gjertsen JE

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:We have previously reported that 6 months of oral treatment with clodronate reduced the migration of the NexGen total knee prosthesis during the first postoperative year, as measured by radiostereometry (RSA). We now report the 4-year results. METHODS:This was a double-blind randomized study, using RSA with...

journal_title：Acta orthopaedica

authors： Hilding M,Aspenberg P

更新日期：2006-12-01 00:00:00

abstract：:Background and purpose - Hip dislocation is one of the most common complications following total hip arthroplasty (THA). Several factors that affect dislocation have been identified, including acetabular cup positioning. Optimal values for cup inclination and anteversion are debatable. We performed a systematic review...

journal_title：Acta orthopaedica

authors： Seagrave KG,Troelsen A,Malchau H,Husted H,Gromov K

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:Ultrasonically driven tools have been used to reduce the incidence of complications during cement removal at revision hip replacement operations. These have been shown to be safe and effective in various ways, but produce fumes. METHODS:Using gas chromatography-mass spectroscopy, we analyzed the fumes produ...

journal_title：Acta orthopaedica

authors： Shewale SB,Briggs RD

更新日期：2005-10-01 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 AND PURPOSE:The most common surgical approaches in total hip arthroplasty in Sweden are the posterior and the anterolateral transgluteal approach. Currently, however, there is insufficient evidence to prefer one over the other regarding risk of subsequent surgery. PATIENTS AND METHODS:We searched the Swedis...

journal_title：Acta orthopaedica

authors： Lindgren V,Garellick G,Kärrholm J,Wretenberg P

更新日期：2012-12-01 00:00:00

abstract：:Background and purpose - Hip resurfacing (HR) is a treatment option promoted for hip arthritis in young and active patients. However, adverse reactions to metal are a concern and the search for non-metallic bearing options proceeds. We present the first clinical study performed in patients using a newly developed hydr...

journal_title：Acta orthopaedica

authors： Van Susante JLC,Verdonschot N,Bom LPA,Tomaszewski P,Campbell P,Ebramzadeh E,Schreurs BW

更新日期：2018-02-01 00:00:00