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 Arthroplasty Register. MATERIALS:From Jan 1, 1997 through Dec 31, 2003, 32,019 TKRs for primary or secondary osteoarthritis were reported to the Finnish Arthroplasty Register. The TKRs were followed until the end of 2004. During the follow-up, 909 TKRs were revised, 205 (23%) due to infection and 704 for other reasons. RESULTS:Crude overall implant survival improved with increasing age between the ages of 40 and 80. The 5-year survival rates were 92% and 95% in patients aged < or = 55 and 56-65 years, respectively, compared to 97% in patients who were > 65 years of age (p < 0.001). The difference was mainly attributable to reasons other than infections. Sex, diagnosis, type of TKR (condylar, constrained, or hinge), use of patellar component, and fixation method were also associated with higher revision rates. However, the differences in prosthesis survival between the age groups < or = 55, 56-65, and > 65 years remained after adjustment for these factors (p < 0.001). INTERPRETATION:Young age impairs the prognosis of TKR and is associated with increased revision rates for non-infectious reasons. Diagnosis, sex, type of TKR, use of patellar component, and fixation method partly explain the differences, but the effects of physical activity, patient demands, and obesity on implant survival in younger patients warrant further research.
journal_name
Acta Orthopjournal_title
Acta orthopaedicaauthors
Julin J,Jämsen E,Puolakka T,Konttinen YT,Moilanen Tdoi
10.3109/17453674.2010.501747subject
Has Abstractpub_date
2010-08-01 00:00:00pages
413-9issue
4eissn
1745-3674issn
1745-3682journal_volume
81pub_type
杂志文章abstract:UNLABELLED:BACKGROUND AND PURPOSE Analgesics can have undesirable effects. We assessed whether a single preoperative dose of 120 mg etoricoxib reduces the need for additional opioids after therapeutic arthroscopic knee surgery. METHODS A double-blind, placebo-controlled study was performed at a single center. 66 patien...
journal_title:Acta orthopaedica
pub_type: 杂志文章,随机对照试验
doi:10.3109/17453674.2012.747053
更新日期:2012-12-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Loss of bone stock remains a challenge in revision hip surgery. Grafting with allograft is well established, but there are problems with availability, cost, infection, antigenicity, reproducibility, and stability of the created construct. BoneSave is a biphasic porous ceramic consisting of sinter...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453674.2013.824801
更新日期:2013-08-01 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
pub_type: 杂志文章
doi:10.1080/17453674.2019.1624336
更新日期:2019-10-01 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
pub_type: 杂志文章
doi:10.3109/17453674.2012.742394
更新日期:2012-12-01 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
pub_type: 杂志文章
doi:10.3109/17453670903350107
更新日期:2009-10-01 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
pub_type: 杂志文章
doi:10.1080/17453674.2020.1845437
更新日期:2020-11-11 00:00:00
abstract:BACKGROUND AND PURPOSE:Instrumented 3-D gait analyses (GA) in children with cerebral palsy (CP) have shown improved gait function 1 year postoperatively. Using GA, we assessed the outcome after 5 years and evaluated parental satisfaction with the surgery and the need for additional surgery. PATIENTS AND METHODS:34 amb...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453674.2015.1011927
更新日期:2015-01-01 00:00:00
abstract:BACKGROUND:In some countries, commercially available antibiotic powder-loaded acrylic bone cement is routinely used in joint replacement, while, in others, "off-label" formulations are used in selected procedures (where the antibiotic powder is blended manually with the powder of a plain cement in the operating room/th...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453670610012700
更新日期:2006-08-01 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
pub_type: 杂志文章
doi:10.1080/17453674.2020.1853387
更新日期:2020-12-10 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
pub_type: 杂志文章,多中心研究
doi:10.1080/17453674.2019.1633759
更新日期:2019-10-01 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
pub_type: 杂志文章
doi:10.3109/17453674.2010.480935
更新日期:2010-06-01 00:00:00
abstract::Background and purpose - Discharge on the day of surgery (DOS) in selected patients operated with total hip arthroplasty (THA) or total knee arthroplasty (TKA) has been shown to be feasible, but different factors may determine whether patients are discharged on the DOS or not and setting may be one of them. We investi...
journal_title:Acta orthopaedica
pub_type: 杂志文章,随机对照试验
doi:10.1080/17453674.2019.1686205
更新日期:2020-02-01 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
pub_type: 杂志文章
doi:10.1080/00016470510030535
更新日期:2005-04-01 00:00:00
abstract::Background and purpose - Elderly patients may benefit from a dislocation low-risk dual-mobility (DM) articulation in total hip arthroplasty, but the best cup fixation method is unknown. We compared cup migration for cemented and cementless DM cups using radiostereometry.Patients and methods - In a patient-blinded rand...
journal_title:Acta orthopaedica
pub_type: 杂志文章,随机对照试验
doi:10.1080/17453674.2020.1720978
更新日期:2020-06-01 00:00:00
abstract:BACKGROUND:Hospital-specific variation in outcome is generally considered to be an important source of information for clinical improvement. We have measured the magnitude of this variation. METHODS:We determined the revision risk in 37,642 cemented primary total knee arthroplasties inserted as a result of osteoarthri...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453670610046442
更新日期:2006-06-01 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
pub_type: 杂志文章,随机对照试验
doi:10.1080/17453670610013213
更新日期:2006-12-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Few studies have been concerned with the patient's perception of the outcome of limb lengthening. We describe the psychological and social functioning after at least 2 years of follow-up in patients who had had a leg length discrepancy and who had undergone an Ilizarov limb lengthening procedure....
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453670903473024
更新日期:2009-12-01 00:00:00
abstract::Background and purpose - Radiostereometric analysis (RSA) is the gold standard to study micromotion of joint replacements. RSA requires the acquisition of additional radiographs increasing the radiation dose of patients included in RSA studies. It is important to keep this dose as low as possible. Effective radiation ...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453674.2020.1767443
更新日期:2020-08-01 00:00:00
abstract::Background and purpose - There is a general call for phased introduction of new implants, and one step in the introduction is an early evaluation of micromotion. We compared the micromotion in the Triathlon and its predecessor, the Duracon total knee prosthesis, concentrating especially on continuous migration over 5 ...
journal_title:Acta orthopaedica
pub_type: 评论,杂志文章
doi:10.3109/17453674.2016.1166876
更新日期:2016-06-01 00:00:00
abstract::Background and purpose - Understanding the key drivers of hospital variation in postoperative infections after hip fracture surgery is important for directing quality improvements. Therefore, we investigated variation in the risk of any infection, and subgroups of infections including pneumonia and sepsis after hip fr...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453674.2020.1863688
更新日期:2020-12-18 00:00:00
abstract:BACKGROUND AND PURPOSE:Metal artifact reduction sequence (MARS) MRI is widely advocated for surveillance of metal-on-metal hip arthroplasties (MOM-HAs). However, its use is limited by susceptibility artifact at the prosthesis-bone interface, local availability, patient compliance, and cost (Hayter et al. 2011a). We wan...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453674.2014.964618
更新日期:2014-12-01 00:00:00
abstract:BACKGROUND:The frontal pelvic plane has traditionally served as the reference plane for implantation of the acetabular cup during total hip arthroplasty, with referencing performed with the patient supine on the operating table. During daily activities in an upright position, the frontal pelvic plane changes from a hor...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453670510045471
更新日期:2005-12-01 00:00:00
abstract::Background and purpose - Alternative bearing surfaces such as ceramics and highly crosslinked polyethylene (HXLPE) were developed in order to further improve implant performance of total hip arthroplasties (THAs). Whether these alternative bearing surfaces result in increased longevity is subject to debate. Patients a...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453674.2017.1405669
更新日期:2018-04-01 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
pub_type: 杂志文章
doi:10.3109/17453670903110634
更新日期:2009-08-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Substantial bone loss in revision total knee arthroplasty (TKA) is a challenging problem. We studied whether impaction bone grafting provides long-term restoration of bone stock in the treatment of major bone defects in revision surgery of rotational and hinged knee arthroplasties (LINK Endo-Mode...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453674.2013.814012
更新日期:2013-08-01 00:00:00
abstract:BACKGROUND AND PURPOSES:The nervous system plays an important role in bone metabolism. However, the effect of denervation on bone formation during distraction osteogenesis (DO) remains unclear. We studied neural influence on bone regeneration during DO in a rabbit model. METHODS:24 New Zealand male white rabbits under...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.3109/17453674.2012.702389
更新日期:2012-08-01 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
pub_type: 杂志文章,随机对照试验
doi:10.3109/17453670903035559
更新日期:2009-06-01 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
pub_type: 杂志文章,随机对照试验
doi:10.1080/17453670610045786
更新日期:2006-02-01 00:00:00
abstract::Background and purpose - Functional limitations after total knee arthroplasty (TKA) are common. In this longitudinal study, we wanted to identify subgroups of patients with distinct trajectories of pain-related interference with walking during the first year after TKA and to determine which demographic, clinical, symp...
journal_title:Acta orthopaedica
pub_type: 杂志文章
doi:10.1080/17453674.2016.1237440
更新日期:2016-12-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Hip resurfacing arthroplasty is claimed to allow higher activity levels and to give better quality of life than total hip arthroplasty. In this literature review, we assessed the therapeutic value of hip resurfacing arthroplasty as measured by functional outcome. METHODS:An extensive literature ...
journal_title:Acta orthopaedica
pub_type: 杂志文章,评审
doi:10.3109/17453674.2010.501742
更新日期:2010-12-01 00:00:00