Initial stability comparison of modular hip implants in synthetic femurs.

abstract：:In this study, a simple animal model has been used to gather data on the mechanical and histologic changes in cartilage and the histologic changes in synovium attendant to acute joint hemorrhage. The continuous presence of autologous blood in the experimental joints for 10 days results in cartilage which is significan...

journal_title：Orthopedics

authors： Parsons JR,Zingler BM,McKeon JJ

更新日期：1987-07-01 00:00:00

abstract：:Is there a correlation between increased posterior-inferior tibial slope angle and noncontact anterior cruciate ligament (ACL) injury? Does increasing the posterior-inferior tibial slope angle increase the risk of bilateral ACL injury? A computerized relational database (Access 2007; Microsoft Inc, Redmond, Washington...

journal_title：Orthopedics

authors： Hendrix ST,Barrett AM,Chrea B,Replogle WH,Hydrick JM,Barrett GR

更新日期：2017-01-01 00:00:00

abstract：:This prospective study investigated revision after modular short stem implantation. Results are presented for 2 different types of neck adapters (titanium and cobalt-chromium [CoCr]). Eighty-five patients with titanium adapters and 87 patients with CoCr adapters underwent follow-up examination after an average of 5.7 ...

journal_title：Orthopedics

authors： Wittenberg RH,Steffen R

更新日期：2015-03-01 00:00:00

abstract：:The goal of this study was to compare the biomechanical stability of cannulated locking screws and noncannulated cortical locking screws in a periarticular locking plate. Twelve fresh-frozen porcine tibias with a 1-cm gap created distal to the tibial plateau were used to simulate an unstable proximal tibial fracture. ...

journal_title：Orthopedics

authors： Yang SW,Kuo SM,Chang SJ,Su TS,Chen HH,Renn JH,Lin TS

更新日期：2013-10-01 00:00:00

abstract：:The three-dimensional periacetabular bone architecture has been established by sectioning multiple pelves in coronal, parasagittal, and horizontal planes. Maximum compressive and tensile stresses were determined by a finite element model of the acetabulum. The architecture is symmetric in a given specimen, and quite s...

journal_title：Orthopedics

authors： Brand RA,Crowninshield RD,Pedersen DR

更新日期：1982-03-01 00:00:00

abstract：:Many battlefield injuries involve penetrating soft tissue trauma often accompanied by skeletal muscle defects, known as volumetric muscle loss. This article presents the first known case of a surgical technique involving an innovative tissue engineering approach for the repair of a large volumetric muscle loss. A 19-y...

journal_title：Orthopedics

authors： Mase VJ Jr,Hsu JR,Wolf SE,Wenke JC,Baer DG,Owens J,Badylak SF,Walters TJ

更新日期：2010-07-13 00:00:00

abstract：:As a screening tool, CT angiography has excellent sensitivity and specificity combined with fewer complications compared to conventional arteriography. ...

journal_title：Orthopedics

authors： Redmond JM,Levy BA,Dajani KA,Cass JR,Cole PA

更新日期：2008-08-01 00:00:00

abstract：:Tibial stems are necessary in most total knee revisions to share the load and protect the fixation interface of the tibial tray. Successful use of a tibial stem requires independent stability of the stem with or without cement. Some additional geometry on the undersurface of the tibial tray such as peripheral pegs or ...

journal_title：Orthopedics

authors： Gustke KA

更新日期：2004-09-01 00:00:00

abstract：:A prospective study was undertaken to compare vascularized fibular grafting (VFG) with core decompression for Ficat Grade II and III femoral head osteonecrosis. The study group included 39 hips in 34 patients-20 VFGs and 19 core decompressions. Independent evaluation of results was performed by an orthopedic surgeon a...

journal_title：Orthopedics

authors： Kane SM,Ward WA,Jordan LC,Guilford WB,Hanley EN Jr

更新日期：1996-10-01 00:00:00

abstract：:Proximal fibular stress fracture is an uncommon injury in athletes but has been frequently reported in the military population. Although the true incidence is unknown and its pathophysiology is not completely understood, proximal fibular stress fracture is believed to be a rare injury and awareness of it will help cli...

journal_title：Orthopedics

authors： Lehman TP,Belanger MJ,Pascale MS

更新日期：2002-03-01 00:00:00

abstract：:Degenerative changes of the lumbar spine may occur in either the anterior or posterior intervertebral articulations. Computed tomography is an ideal modality in evaluating these processes because of its optimal plane of section and its ability to image both osseous and soft tissue structures. ...

journal_title：Orthopedics

authors： Raskin SP

更新日期：1981-02-01 00:00:00

abstract：:The purposes of the current investigation are to evaluate the epidemiology of water sport injuries at a coastal tertiary trauma center and to determine the association of these activities with spinal column injury and to determine whether aquatic trauma injuries differ significantly from those that occur terrestrially...

journal_title：Orthopedics

authors： Kane I,Ong A,Radcliff KE,Austin LS,Maltenfort M,Tjoumakaris F

更新日期：2015-09-01 00:00:00

abstract：:We examined a consecutive group of patients who had undergone either open (34 patients) or single portal endoscopic (12 patients) carpal tunnel release performed by one surgeon over a period of 3 years. Fifty-seven total procedures were performed. There were no operative complications. Retrospective evaluation was don...

journal_title：Orthopedics

authors： Gibbs KE,Rand W,Ruby LK

更新日期：1996-12-01 00:00:00

abstract：:Arthroscopic excision of os acromiale is a feasible alternative to open excision or fusion. This article describes the authors' experience with 28 patients (31 shoulders) who underwent arthroscopic excision of os acromiale and its effect on shoulder pain and function, with specific emphasis on deltoid strength measure...

journal_title：Orthopedics

authors： Campbell PT,Nizlan NM,Skirving AP

更新日期：2012-11-01 00:00:00

abstract：:The purpose of this study was to investigate whether pre- to postoperative changes of increased signal intensity (ISI) of the spinal cord as seen on T2-weighted magnetic resonance imaging (MRI) reflect the surgical outcome in patients with cervical spinal cord injury without radiologic evidence of trauma (SCIWORET). I...

journal_title：Orthopedics

authors： Sun LQ,Shen Y,Li YM,Cao JM

更新日期：2014-03-01 00:00:00

abstract：:This article describes a case of femoral stem displacement during closed reduction of a redislocated bipolar hemiarthroplasty of the hip in a 72-year-old woman who had undergone bipolar hemiarthroplasty using a polished, tapered cemented femoral stem. The polished, tapered cemented femoral stem is vulnerable to displa...

journal_title：Orthopedics

authors： Yun HH,Park JH,Park JW,Lee JW

更新日期：2010-02-01 00:00:00

abstract：:This study compared the efficacy and cost of radiation therapy with indomethacin in the prophylaxis of heterotopic ossification following total hip replacement. Twenty-two patients received a radiation dose of 10 Gy in five fractions, 28 patients 8 Gy in one fraction, and 27 patients 25 mg oral indomethacin three time...

journal_title：Orthopedics

authors： D'Lima DD,Venn-Watson EJ,Tripuraneni P,Colwell CW

更新日期：2001-12-01 00:00:00

abstract：:Avascular necrosis of the femoral head is usually seen in children aged 1.5 to 10 years, reaching a peak incidence between the ages of 4 and 9. Avascular necrosis of the femoral head is a known complication of corticosteroid therapy in acute lymphoblastic leukemia. There are few reports in the literature regarding the...

journal_title：Orthopedics

authors： Madadi F,Shamsian BS,Alavi S,Madadi F,Eajazi A,Aslani A

更新日期：2011-10-05 00:00:00

abstract：:From 1987 to 1991, a total of 43 acetabular revisions were performed in 39 patients aged 36 to 79 years. In group A (26 revisions in 24 patients), morselized allograft was used to fill in cavitary acetabular defects, and in group B (17 revisions in 15 patients), a solid (bulk) allograft was used to reconstruct defects...

journal_title：Orthopedics

authors： Reikeraas O,Folleraas G,Winge JF

更新日期：1998-11-01 00:00:00

abstract：:Minimally invasive plate osteosynthesis (MIPO) has been used for humeral shaft fractures, but concerns exist about soft tissue injuries. The purpose of this study was to report the surgical technique and clinical outcomes of MIPO using a helical plate for metadiaphyseal complex humeral shaft fractures. Twelve patients...

journal_title：Orthopedics

authors： Moon JG,Kwon HN,Biraris S,Shon WY

更新日期：2014-03-01 00:00:00

abstract：:Osteonecrosis of the femoral head in the setting of alcohol abuse is a potential important cause of symptomatic hip disease in young patients. All cases of uncemented primary total hip arthroplasty (THA) with a primary operative diagnosis of osteonecrosis of the femoral head secondary to alcohol abuse treated at our i...

journal_title：Orthopedics

authors： Yuan B,Taunton MJ,Trousdale RT

更新日期：2009-06-01 00:00:00

abstract：:The purpose of this study was to investigate the latest trends and demographics of surgical treatment of posterior cruciate ligament (PCL) insufficiency in the United States. Patients who underwent surgical treatment of PCL insufficiency from 2007 to 2011 were identified by searching the International Classification o...

journal_title：Orthopedics

authors： Wang D,Berger N,Cohen JR,Lord EL,Wang JC,Hame SL

更新日期：2015-04-01 00:00:00

abstract：:This study analyzed 14 patients with 17 broken intramedullary nails for the treatment of femoral fractures. Average distance from the fracture site was 7.9 cm in cases in which nail breakage occurred at the junction between the cylindrical and cloverleaf portions and 6.4 cm in cases in which nail breakage occurred at ...

journal_title：Orthopedics

authors： Chen CE,Weng LH,Ko JY,Wang CJ

更新日期：2008-01-01 00:00:00

abstract：:Free vascularized fibular grafting (FVFG) is an effective method to treat corticosteroid-induced osteonecrosis of the femoral head (ONFH). Some patients continued to receive maintenance doses of corticosteroids to treat the primary disease postoperatively. This study was performed to evaluate outcomes of FVFG for cort...

journal_title：Orthopedics

authors： Ding H,Chen SB,Gao YS,Lin S,Zhang CQ

更新日期：2014-04-01 00:00:00

abstract：:Infantile tibia vara (infantile Blount's disease) is a condition in which progressive varus of the knee develops due to diminished physeal growth of the medial aspect of the proximal tibia. A 6-year-old boy with severe bilateral infantile tibia vara (Langenskiold stage V) underwent operative correction of his deformit...

journal_title：Orthopedics

authors： Gary J,Richards BS

更新日期：2008-05-01 00:00:00

abstract：:When conservative measures fail to alleviate pain and disability of ankle joint disease, tibiotalar arthrodesis is the present accepted surgical treatment. Unfortunately, ankle arthrodesis also carries a significant rate of complications and the success rate does not parallel the results of hip and knee joint arthropl...

journal_title：Orthopedics

authors： Scholz KC

更新日期：1987-01-01 00:00:00

abstract：:It is challenging to reconstruct normal hip motion after a high hip dislocation. Although total hip arthroplasty (THA) with shortening osteotomy is a solution for high hip dislocation, osteotomy nonunion is a major complication. To improve the rate of osteotomy union, subtrochanteric transverse shortening osteotomy wa...

journal_title：Orthopedics

authors： Ogawa H,Ito Y,Shinozaki M,Matsumoto K,Shimizu K

更新日期：2011-03-11 00:00:00

abstract：:Treatment of posterolateral tibial plateau fractures is controversial, and information regarding this specific fracture pattern is lacking. The purpose of this study was to elucidate the frequency and morphological features of posterolateral articular fragments in tibial plateau fractures. A retrospective radiographic...

journal_title：Orthopedics

authors： Xiang G,Zhi-Jun P,Qiang Z,Hang L

更新日期：2013-10-01 00:00:00

abstract：:As digital radiography becomes more prevalent, several systems for digital preoperative planning have become available. The purpose of this study was to evaluate the accuracy and efficiency of an inexpensive, cloud-based digital templating system, which is comparable with acetate templating. However, cloud-based templ...

journal_title：Orthopedics

authors： Maratt JD,Srinivasan RC,Dahl WJ,Schilling PL,Urquhart AG

更新日期：2012-08-01 00:00:00

abstract：:Due to the increased number of revision total hip arthroplasties (THAs) to correct pain secondary to fretting from modular hip stems, this study was conducted in an effort to correlate objective findings of serum cobalt (Co) levels, serum chromium (Cr) levels, and/or reactive tissue seen on metal artifact reduction se...

journal_title：Orthopedics

authors： Koziara CR,Lombardo DJ,Petersen-Fitts GR,Jildeh TR,Morawa L

更新日期：2016-09-01 00:00:00