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 AND PURPOSE:It is unclear whether osteoarthritis (OA) of the knee is seen better in standing flexion position radiographs than in the standing extended view. We assessed the value of standing flexion views. PATIENTS AND METHODS:We retrospectively evaluated 1,090 radiographs of 545 consecutive knees with non...

journal_title：Acta orthopaedica

authors： Niinimäki T,Ojala R,Niinimäki J,Leppilahti J

更新日期：2010-06-01 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:Rotational osteotomies are usually necessary to correct pronounced rotational deformities in ambulant children with cerebral palsy. The effects of soft tissue surgery on such deformities are unclear. In this retrospective study, we determined whether multilevel soft tissue surgery, performed to c...

journal_title：Acta orthopaedica

authors： Lofterød B,Terjesen T

更新日期：2010-04-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Most patients with femoroacetabular impingement (FAI) have a cam deformity, which may be quantified by measuring the alpha angle and anterior offset ratio (AOR). Knowledge of what constitutes a "normal" alpha angle and AOR is limited. We defined the reference intervals of these measurements from ...

journal_title：Acta orthopaedica

authors： Pollard TC,Villar RN,Norton MR,Fern ED,Williams MR,Simpson DJ,Murray DW,Carr AJ

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Although total ankle replacement (TAR) is a recognized procedure for treatment of the painful arthritic ankle, the best choice of implant and the long-term results are still unknown. We evaluated the survival of two TAR designs and factors associated with survival using data from the nationwide a...

journal_title：Acta orthopaedica

authors： Skyttä ET,Koivu H,Eskelinen A,Ikävalko M,Paavolainen P,Remes V

更新日期：2010-02-01 00:00:00

abstract：:Matrix metalloproteinases (MMPs) and related enzymes (ADAMs, ADAMTS) and their inhibitors control matrix turnover and function. Recent advances in our understanding of musculoskeletal conditions such as tendinopathy, arthritis, Dupuytren's disease, degenerative disc disease, and bone and soft tissue healing suggest th...

journal_title：Acta orthopaedica

authors： Pasternak B,Aspenberg P

更新日期：2009-12-01 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

authors： Moraal JM,Elzinga-Plomp A,Jongmans MJ,Roermund PM,Flikweert PE,Castelein RM,Sinnema G

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Commercial gentamicin-loaded bone cement beads (Septopal) constitute an effective delivery system for local antibiotic therapy. These beads are not available in all parts of the world, and are too expensive for frequent use in others. Thus, orthopedic surgeons worldwide make antibiotic-loaded bea...

journal_title：Acta orthopaedica

authors： Rasyid HN,van der Mei HC,Frijlink HW,Soegijoko S,van Horn JR,Busscher HJ,Neut D

更新日期：2009-10-01 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: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: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:The first generations of total ankle replacements (TARs) showed a high rate of early failure. In the last decades, much progress has been made in the development of TARs, with the newer generation showing better results. We evaluated TARs implanted with rheumatoid arthritis (RA) or juvenile infla...

journal_title：Acta orthopaedica

authors： van der Heide HJ,Schutte B,Louwerens JW,van den Hoogen FH,Malefijt MC

更新日期：2009-08-01 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

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

更新日期：2009-06-01 00:00:00

abstract：UNLABELLED:BACKGROUND AND PURPOSE Corticosteroid treatment is associated with osteonecrosis of the femoral head (ON) in certain patients. The degree of drug sensitivity in general is governed by genetic variation between individuals. We investigated the relationship between ON and the presence of different alleles of t...

journal_title：Acta orthopaedica

authors： He W,Li K

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:This randomized study compared clinical results after surgery for posttraumatic shoulder instability with either an anatomical repair or an older, less anatomical but commonly used method. The less anatomical procedure has been considered quicker and less demanding, but it has been questioned reg...

journal_title：Acta orthopaedica

authors： Salomonsson B,Abbaszadegan H,Revay S,Lillkrona U

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND:Total hip replacement is increasingly used in active, relatively healthy elderly patients with fractures of the femoral neck. Dislocation of the prosthesis is a severe complication, and there is still controversy regarding the optimal surgical approach and its influence on stability. We analyzed factors infl...

journal_title：Acta orthopaedica

authors： Enocson A,Hedbeck CJ,Tidermark J,Pettersson H,Ponzer S,Lapidus LJ

更新日期：2009-04-01 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: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:We have previously reported that the first 10 years of hip arthroplasty in Lithuania resulted in a higher cumulative revision rate than that observed in Sweden. We thus compared the corresponding results after introduaction of total knee replacement in Lithuania. METHODS:The 10-year revision rat...

journal_title：Acta orthopaedica

authors： Tarasevicius S,Stucinskas J,Robertsson O,Wingstrand H

更新日期：2009-02-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Hip resurfacing arthroplasty is being used more and more frequently. The small ratio in size between the resurfaced femoral head and the relatively thick femoral neck raises the question of whether the range of motion is sufficient, particularly with regard to the high mobility required by younge...

journal_title：Acta orthopaedica

authors： Kluess D,Zietz C,Lindner T,Mittelmeier W,Schmitz KP,Bader R

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND AND PURPOSE:There are limited population-based data on utilization, outcomes, and trends in total knee arthroplasty (TKA). The purpose of this study was to examine TKA utilization and short-term outcomes in a pre-paid health maintenance organization (HMO), and to determine whether rates and revision burden c...

journal_title：Acta orthopaedica

authors： Khatod M,Inacio M,Paxton EW,Bini SA,Namba RS,Burchette RJ,Fithian DC

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND:The in vivo pharmacokinetics of gentamycin- loaded collagen fleeces in humans have not been described in the current literature. We therefore analyzed in vivo pharmacokinetics of these fleeces when used in the treatment of periprosthetic infections. PATIENTS AND METHODS:Gentamycin concentrations were measur...

journal_title：Acta orthopaedica

authors： Swieringa AJ,Goosen JH,Jansman FG,Tulp NJ

更新日期：2008-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Bones used in mechanical studies are frequently harvested from human cadavers that have been embalmed in a buffered formaldehyde solution. It has been reported that formaldehyde fixation or freezing hardly affects the mechanical properties of bone after a storage period of several weeks. However,...

journal_title：Acta orthopaedica

authors： van Haaren EH,van der Zwaard BC,van der Veen AJ,Heyligers IC,Wuisman PI,Smit TH

更新日期：2008-10-01 00:00:00

abstract：BACKGROUND AND PURPOSE:The number of periprosthetic fractures following total hip arthroplasty (THA) is increasing. There is, however, limited data on the functional outcome following these injuries. We analyzed functional outcome for revision THA following periprosthetic fracture, and compared this to the outcome of e...

journal_title：Acta orthopaedica

authors： Young SW,Walker CG,Pitto RP

更新日期：2008-08-01 00:00:00

abstract：BACKGROUND AND PURPOSE:There is increasing awareness that non-steroidal anti-inflammatory drugs (NSAIDs), and especially the cyclooxygenase-2 (COX-2) selective ones, may retard bone healing. We have used NSAIDs (indomethacin for at least 7 days) to prevent heterotopic ossification after acetabular reconstructions using...

journal_title：Acta orthopaedica

authors： van der Heide HJ,Hannink G,Buma P,Schreurs BW

更新日期：2008-08-01 00:00:00

abstract：:Bone marrow transplantation can lead to osteogenic repair of intractable bone conditions. To achieve optimal clinical results, it is necessary to transplant as many cells with osteogenetic potential as possible. However, approaches involving special equipment and reagents for the extraction and purification of cells a...

journal_title：Acta orthopaedica

authors： Sakai S,Mishima H,Ishii T,Akaogi H,Yoshioka T,Uemura T,Ochiai N

更新日期：2008-06-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Following transtibial amputation, a rigid dressing of plaster of Paris has been reported to have advantages over a soft dressing regarding wound healing and reduction of edema, but use of the former may be limited by difficulties in application and in gaining access to the wound. An easily applic...

journal_title：Acta orthopaedica

authors： Johannesson A,Larsson GU,Oberg T,Atroshi I

更新日期：2008-06-01 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:Problems during knee extension, due to kinematic alterations, are not uncommon after total knee arthroplasty. Hinged prostheses provide higher stability than non-hinged designs and may minimize these alterations. Thus, in this in vitro study we investigated the quadriceps force required to extend...

journal_title：Acta orthopaedica

authors： Ostermeier S,Friesecke C,Fricke S,Hurschler C,Stukenborg-Colsman C

更新日期：2008-02-01 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:Laboratory tests and early clinical studies have shown that highly cross-linked polyethylene (PE) markedly improves wear resistance compared to conventional PE. We evaluated this type of PE in two randomized clinical studies using radiostereometric analysis (RSA). The 2- and 3-year follow-up of these studies...

journal_title：Acta orthopaedica

authors： Digas G,Kärrholm J,Thanner J,Herberts P

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND:No data exist regarding mortality rate in young patients with a first-time anterior shoulder dislocation. A cohort of 255 patients aged 12-40 years had a primary anterior shoulder dislocation during the years 1978 and 1979. After 10 years, 9 of the patients had died--which is a high figure for this cohort of...

journal_title：Acta orthopaedica

authors： Hovelius L,Nilsson JA,Nordqvist A

更新日期：2007-12-01 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:The etiology of osteoarthritis (OA) is multifactorial and current research attributes it to a complex network of biochemical factors. We attempted to identify important molecules in OA joint destruction. PATIENTS AND METHODS:Synovium was collected from 2 women with hip OA. Total RNA was extracted from the c...

journal_title：Acta orthopaedica

authors： Okabe T,Ohmori Y,Tanigami A,Hishigaki H,Suzuki Y,Sugano S,Kawaguchi A,Nakaya H,Wakitani S

更新日期：2007-10-01 00:00:00

abstract：BACKGROUND:Aseptic loosening is the major cause of implant failure. In cemented hip arthroplasty, failure of the acetabular side is mainly due to lysis caused by wear particles. By using an implant with low wear characteristics and by enhancing acetabular fixation using an uncemented implant, we aimed to reduce acetabu...

journal_title：Acta orthopaedica

authors： Vassan UT,Sharma S,Chowdary KP,Bhamra MS

更新日期：2007-08-01 00:00:00

abstract：BACKGROUND:Instrumentation, particularly reaming, of the long bones carries the risk of embolic phenomenon. Emboli may result in pulmonary injury, which is usually manifested by desaturation. This pulmonary injury may be particularly relevant if there is diminished pulmonary reserve due to pre-existing lung disease suc...

journal_title：Acta orthopaedica

authors： Clayer MT,Tang X

更新日期：2007-08-01 00:00:00

abstract：BACKGROUND:Arthroscopically-assisted reconstruction of the anterior cruciate ligament with hamstring tendons has achieved widespread acceptance; however, the anatomy of these tendons may cause technical problems at harvesting. METHODS:We studied the anatomy of the fascial band between semitendinosus and gastrocnemius ...

journal_title：Acta orthopaedica

authors： Tuncay I,Kucuker H,Uzun I,Karalezli N

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:Treatment of proximal humerus fractures in elderly patients is challenging because of reduced bone quality. We determined the in vitro characteristics of a new implant developed to target the remaining bone stock, and compared it with an implant in clinical use. METHODS:Following osteotomy, left and right h...

journal_title：Acta orthopaedica

authors： Duda GN,Epari DR,Babst R,Lambert SM,Matthys R,Südkamp NP

更新日期：2007-06-01 00:00:00

abstract：BACKGROUND:After total hip replacement, increased bone metabolism is seen. A local periprosthetic osteopenia can be measured by dual-energy X-ray absorptiometry (DXA), but it is still unkown whether biochemical markers can be used to monitor the local remodeling at an earlier stage. PATIENTS AND METHODS:In this prospe...

journal_title：Acta orthopaedica

authors： Habermann B,Eberhardt C,Feld M,Zichner L,Kurth AA

更新日期：2007-04-01 00:00:00