abstract：BACKGROUND:Spinal hardware has been adapted for fixation in the setting of anterior pelvic injury. This anterior subcutaneous pelvic fixator consists of pedicle screws placed in the supraacetabular region connected by a contoured connecting rod placed subcutaneously and above the abdominal muscle fascia. QUESTIONS/PUR...

journal_title：Clinical orthopaedics and related research

authors： Merriman DJ,Ricci WM,McAndrew CM,Gardner MJ

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND:Cementless fixation remains controversial in TKA due to the challenge of achieving consistent skeletal attachment. Factors predicting durable fixation are not clearly understood, but we presumed bone ingrowth could be enhanced by the quantity of host bone and application of autograft bone chips. QUESTIONS/P...

journal_title：Clinical orthopaedics and related research

authors： Bloebaum RD,Koller KE,Willie BM,Hofmann AA

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:Cartilage defects are created on intraarticular osteochondral fragments at the entrance holes of fixation devices when these fragments are fixed to the original sites. Conventional fixation devices hinder repair of these defects and there is a latent risk of secondary osteoarthritis. We therefore developed a...

journal_title：Clinical orthopaedics and related research

authors： Kono M,Mori R,Uchio Y

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:Proximal femoral fractures are common in the elderly. The best care depends on expeditious presentation, medical stabilization, and treatment of the condition. QUESTIONS/PURPOSES:We investigated the risk of increased mortality in residents of rural communities secondary to inaccessible facilities and treatm...

journal_title：Clinical orthopaedics and related research

authors： Miller BJ,Cai X,Cram P

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Strict criteria have been used before removing cervical collars in patients with injuries who have midline pain or are unable to be reliably examined. This sometimes leads to prolonged immobilization in cervical collars or use of MRI to rule out injury. Several studies suggest a collar may be removed in the ...

journal_title：Clinical orthopaedics and related research

authors： Gebauer G,Osterman M,Harrop J,Vaccaro A

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Although postoperative spinal epidural hematoma (SEH) is not uncommon, hematomas that require surgery are rare. Cauda equina syndrome (CES) may be associated with postoperative SEH. In these cases, early recognition and emergency decompression can prevent further damage and better neurologic recovery. CASE ...

journal_title：Clinical orthopaedics and related research

authors： Limthongkul W,Yingsakmongkol W

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Physeal distraction facilitates metaphyseal bone tumor resection in children and preserves the adjacent joint. The technique was first described by Cañadell. Tumor resection procedures allowing limb-sparing reconstruction have been used increasingly in recent years without compromising oncologic principles. ...

journal_title：Clinical orthopaedics and related research

authors： Betz M,Dumont CE,Fuchs B,Exner GU

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Compared with conventional polyethylene, first-generation highly cross-linked polyethylenes have low wear, but controversy exists regarding their reduced mechanical strength and/or retained free radicals. Second-generation highly cross-linked polyethylenes have been developed to reduce wear, maintain mechani...

journal_title：Clinical orthopaedics and related research

authors： D'Antonio JA,Capello WN,Ramakrishnan R

更新日期：2012-06-01 00:00:00

abstract：BACKGROUND:Alternative dispute resolution (ADR) refers to techniques used to resolve conflicts without going to the courtroom. As healthcare and malpractice costs continue to rise, there is growing interest in tactics such as early apology, mediation, and arbitration in the medical arena. QUESTIONS/PURPOSES:(1) Why is...

journal_title：Clinical orthopaedics and related research

authors： Sohn DH,Bal BS

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:The literature suggests survivorship of unicompartmental knee arthroplasties (UKAs) for spontaneous osteonecrosis of the knee ranges from 93% to 97% at 10 to 12 years. However, these data arise from small series (23 to 33 patients), jeopardizing meaningful conclusions. QUESTIONS/PURPOSES:We determined (1) t...

journal_title：Clinical orthopaedics and related research

authors： Bruni D,Iacono F,Raspugli G,Zaffagnini S,Marcacci M

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Sacrectomy may offer curative potential for primary sarcomas of the sacrum. However, it is unclear whether and to what extent sacrectomies achieve local control. QUESTIONS/PURPOSE:We therefore determined the curative potential, walking ability, continence control, and quality of life for children after sacr...

journal_title：Clinical orthopaedics and related research

authors： Arkader A,Yang CH,Tolo VT

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Hip and knee arthroplasties are widely performed and vascular disease among patients having these procedures is common. Clopidogrel is a platelet inhibitor that decreases the likelihood of thrombosis. It may cause intraoperative and postoperative bleeding, but its discontinuation increases the risk of vascul...

journal_title：Clinical orthopaedics and related research

authors： Nandi S,Aghazadeh M,Talmo C,Robbins C,Bono J

更新日期：2012-05-01 00:00:00

abstract：BACKGROUND:Total joint arthroplasty is widely performed in patients of all races with severe osteoarthritis. Prior studies have reported that African American patients tend to receive total joint arthroplasties in low-volume hospitals compared with Caucasian patients, suggesting potential racial disparity in the qualit...

journal_title：Clinical orthopaedics and related research

authors： Cai X,Cram P,Vaughan-Sarrazin M

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND:De novo malignancies are serious complications in the late postoperative period after liver transplantation. The most common de novo tumors are skin malignancies, posttransplantation lymphoproliferative disorder, tumors of the head and neck, and Kaposi's sarcoma. Such posttransplant de novo malignancies are ...

journal_title：Clinical orthopaedics and related research

authors： Ding ZQ,Zhang HF,Kang LQ,Sha M

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND:The main static stabilizers of the medial knee are the superficial medial collateral and posterior oblique ligaments. A number of reconstructive techniques have been advocated including one we describe here. However, whether these reconstructions restore function and stability is unclear. DESCRIPTION OF TEC...

journal_title：Clinical orthopaedics and related research

authors： Laprade RF,Wijdicks CA

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:There is no consensus as to which surgical approach to the treatment of giant cell tumor of bone is most appropriate or which patients are at a higher risk for recurrence or metastasis. QUESTIONS/PURPOSES:Therefore, we asked: (1) Are there subsets of patients who are associated with a more recalcitrant dise...

journal_title：Clinical orthopaedics and related research

authors： Kremen TJ Jr,Bernthal NM,Eckardt MA,Eckardt JJ

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Patients with local recurrence of soft-tissue sarcomas have a poor overall survival. High-grade, soft-tissue sarcomas in deep locations may have a poorer prognosis regarding local recurrence than low-grade sarcomas or those located superficially. Although previous reports evaluated tumors at various depths, ...

journal_title：Clinical orthopaedics and related research

authors： Sawamura C,Matsumoto S,Shimoji T,Tanizawa T,Ae K

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Bone marrow stimulation techniques in cartilage repair such as drilling are limited by the formation of fibrous to hyaline-like repair tissue. It has been suggested such techniques can be enhanced by covering the defect with scaffolds. We present an innovative approach using a polyglycolic acid (PGA)-hyaluro...

journal_title：Clinical orthopaedics and related research

authors： Siclari A,Mascaro G,Gentili C,Cancedda R,Boux E

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Currently more than 200,000 THAs are performed annually in the United States. In patients with bilateral disease, the chance of subsequent contralateral THA reportedly ranges from 16% to 85%. Factors influencing contralateral THA are not completely understood. QUESTIONS/PURPOSES:We therefore determined (1) ...

journal_title：Clinical orthopaedics and related research

authors： Sayeed SA,Johnson AJ,Jaffe DE,Mont MA

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:While the primary objective of joint arthroplasty is to improve patient quality of life, pain, and function, younger active patients often demand a return to higher function that includes sporting activity. Knowledge of rates and predictors of return to sports will help inform expectations in patients antici...

journal_title：Clinical orthopaedics and related research

authors： Williams DH,Greidanus NV,Masri BA,Duncan CP,Garbuz DS

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:Numerous studies indicate highly crosslinked polyethylenes reduce the wear debris volume generated by hip arthroplasty acetabular liners. This, in turns, requires new methods to isolate and characterize them. QUESTIONS/PURPOSES:We describe a method for extracting polyethylene wear particles from bovine seru...

journal_title：Clinical orthopaedics and related research

authors： Billi F,Benya P,Kavanaugh A,Adams J,Ebramzadeh E,McKellop H

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:Decision-making regarding nonoperative versus operative treatment of patients with thoracolumbar burst fractures in the absence of neurologic deficits is controversial. Lack of evidence-based practice may result in patients being treated inappropriately and being exposed to unnecessary adverse consequences. ...

journal_title：Clinical orthopaedics and related research

authors： Gnanenthiran SR,Adie S,Harris IA

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:Numerous cementless femoral stem design variations are in clinical use. Because initial implant instability and micromotion are associated with aseptic loosening of the femoral component, migration analysis provides an early assessment of implant survivorship. QUESTIONS/PURPOSES:We determined the (1) migrat...

journal_title：Clinical orthopaedics and related research

authors： White CA,Carsen S,Rasuli K,Feibel RJ,Kim PR,Beaulé PE

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND:The navigation system was introduced to orthopaedic surgery in the 1990s. More recently, CT-based navigation systems have been used more commonly in spine and joint replacement surgery because of their precision. QUESTIONS/PURPOSES:The aim of our study was to evaluate the accuracy and efficacy of navigation...

journal_title：Clinical orthopaedics and related research

authors： Ieguchi M,Hoshi M,Takada J,Hidaka N,Nakamura H

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:The literature suggests lateral unicompartmental knee arthroplasties are associated with low revision rates. However, there are fewer reports describing techniques for lateral unicompartmental arthroplasty and whether technique influences ROM and function compared to reports for medial unicompartmental arthr...

journal_title：Clinical orthopaedics and related research

authors： Berend KR,Kolczun MC 2nd,George JW Jr,Lombardi AV Jr

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Coronal malalignment occurs frequently in TKA and may affect implant durability and knee function. Designed to improve alignment accuracy and precision, the patient-specific positioning guide is predicated on restoration of the overall mechanical axis and is a multifaceted new tool in achieving traditional g...

journal_title：Clinical orthopaedics and related research

authors： Ng VY,DeClaire JH,Berend KR,Gulick BC,Lombardi AV Jr

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:The Knee Society Clinical Rating System was developed in 1989 and has been widely adopted. However, with the increased demand for TKA, there is a need for a new, validated scoring system to better characterize the expectations, satisfaction, and physical activities of the younger, more diverse population of ...

journal_title：Clinical orthopaedics and related research

authors： Noble PC,Scuderi GR,Brekke AC,Sikorskii A,Benjamin JB,Lonner JH,Chadha P,Daylamani DA,Scott WN,Bourne RB

更新日期：2012-01-01 00:00:00

abstract：BACKGROUND:Chronic exertional compartment syndrome is diagnosed based on symptoms and elevated intramuscular pressure and often is treated with fasciotomy. However, what contributes to the increased intramuscular pressure remains unknown. QUESTIONS/PURPOSES:We investigated whether the stiffness or thickness of the mus...

journal_title：Clinical orthopaedics and related research

authors： Dahl M,Hansen P,Stål P,Edmundsson D,Magnusson SP

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Postoperative varus alignment has been associated with lower IKS scores and increased failure rates. Appropriate positioning of TKA components therefore is a key concern of surgeons. However, obtaining neutral alignment can be challenging in patients with substantial preoperative varus deformity and it is un...

journal_title：Clinical orthopaedics and related research

authors： Magnussen RA,Weppe F,Demey G,Servien E,Lustig S

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Arthroplasty for shoulder fractures is a technically challenging and unpredictable procedure and its use is controversial. QUESTIONS/PURPOSES:We therefore asked (1) to what degree function would be restored, (2) whether tuberosity healing would reliably occur, and (3) whether stem design would influence fun...

journal_title：Clinical orthopaedics and related research

authors： Krishnan SG,Reineck JR,Bennion PD,Feher L,Burkhead WZ Jr

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Locking plate fixation of proximal humeral fractures improves biomechanical stability. It has expanded the indications of traditional open reduction internal fixation and become increasingly common for treating unstable, displaced proximal humeral fractures. Despite improved stability it is unclear whether t...

journal_title：Clinical orthopaedics and related research

authors： Jones CB,Sietsema DL,Williams DK

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Surgical navigation in TKA facilitates better alignment; however, it is unclear whether improved alignment alters clinical evolution and midterm and long-term complication rates. QUESTIONS/PURPOSES:We determined the alignment differences between patients with standard, manual, jig-based TKAs and patients wi...

journal_title：Clinical orthopaedics and related research

authors： Hernández-Vaquero D,Suarez-Vazquez A,Iglesias-Fernandez S

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:Although not all elderly patients with femoral neck fractures are candidates for THA, active, mentally competent, independent patients achieve the most durable functional scores with THA compared with hemiarthroplasty. However, a relatively high frequency of early or late dislocation could reduce the potenti...

journal_title：Clinical orthopaedics and related research

authors： Poignard A,Bouhou M,Pidet O,Flouzat-Lachaniette CH,Hernigou P

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Local drug delivery has substantial potential to prevent infections compared with systemic delivery. Although calcium sulfate (CaSO(4)) has been studied for local drug delivery and two types are commercially available, it is unknown whether they differentially release antibiotics. QUESTIONS/PURPOSES:We dete...

journal_title：Clinical orthopaedics and related research

authors： Parker AC,Smith JK,Courtney HS,Haggard WO

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Bacteria shed by operating room personnel is a source of wound contamination and postoperative infections. The personal protection system (PPS) was designed to decrease airborne bacteria and intraoperative contamination in total joint arthroplasty. QUESTIONS/PURPOSES:We determined the microbial contaminatio...

journal_title：Clinical orthopaedics and related research

authors： Kearns KA,Witmer D,Makda J,Parvizi J,Jungkind D

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Amphotericin B is a highly hydrophobic antifungal used for orthopaedic infections. There is disagreement about whether amphotericin B is released when it is loaded in polymethylmethacrylate (PMMA). It is unknown how much a poragen will increase amphotericin B release or decrease the compressive strength of t...

journal_title：Clinical orthopaedics and related research

authors： Kweon C,McLaren AC,Leon C,McLemore R

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Open reduction and stabilization of dorsal pelvic ring injuries is accompanied by a high rate of soft tissue complications. Minimally invasive techniques have the potential to decrease soft tissue trauma, but the risk of iatrogenic nerve and vessel damage through the reduced surgical exposure should be consi...

journal_title：Clinical orthopaedics and related research

authors： Dienstknecht T,Berner A,Lenich A,Nerlich M,Fuechtmeier B

更新日期：2011-11-01 00:00:00

abstract：BACKGROUND:Soluble factors released from chondrocytes can both enhance and induce chondrocyte-like behavior in cocultured dedifferentiated cells. The ability to similarly prime and modulate biosynthetic activity of differentiated cells encapsulated in a three-dimensional environment is unknown. QUESTIONS/PURPOSES:To u...

journal_title：Clinical orthopaedics and related research

authors： Tan AR,Dong EY,Andry JP,Bulinski JC,Ateshian GA,Hung CT

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND:Because the injured joint has an actively inflammatory environment, the survival and repair potential of cartilage grafts may be influenced by inflammatory processes. Understanding the interactions of those processes with the graft may lead to concepts for pharmacologic or surgical solutions allowing improve...

journal_title：Clinical orthopaedics and related research

authors： Francioli S,Cavallo C,Grigolo B,Martin I,Barbero A

更新日期：2011-10-01 00:00:00

abstract：BACKGROUND:Avascular meniscal injuries are largely incapable of healing; the most common treatment remains partial meniscectomy despite the risk of subsequent osteoarthritis. Meniscal responses to injury are partially mediated through synovial activity and strategies have been investigated to encourage healing through ...

journal_title：Clinical orthopaedics and related research

authors： Fox DB,Warnock JJ

更新日期：2011-10-01 00:00:00