abstract：BACKGROUND:T1ρ MRI has been shown feasible to detect the biochemical status of hip cartilage, but various region-of-interest strategies have been used, compromising the reproducibility and comparability between different institutions and studies. QUESTIONS/PURPOSES:The purposes of this study were (1) to determine repr...

journal_title：Clinical orthopaedics and related research

authors： Anwander H,Rakhra KS,Melkus G,Beaulé PE

更新日期：2017-04-01 00:00:00

abstract：BACKGROUND:More than 100 MRIs per 1000 inhabitants are performed in the United States annually, more than almost every other country. Little is known regarding the cost of obtaining an MRI and factors associated with differences in cost. QUESTIONS/PURPOSES:By surveying all hospital-owned and independent imaging center...

journal_title：Clinical orthopaedics and related research

authors： Westermann RW,Schick C,Graves CM,Duchman KR,Weinstein SL

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND:Hip fractures are a major public health concern. For displaced femoral neck fractures, the needs for medical services during hospitalization and extending beyond hospital discharge after total hip arthroplasty (THA) may be different than the needs after THA performed for osteoarthritis (OA), yet these differ...

journal_title：Clinical orthopaedics and related research

authors： Schairer WW,Lane JM,Halsey DA,Iorio R,Padgett DE,McLawhorn AS

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:The ability of injection of corticosteroids into the subacromial space to relieve pain ascribed to rotator cuff tendinosis is debated. The number of patients who have an injection before one gets relief beyond what a placebo provides is uncertain. QUESTIONS/PURPOSES:We asked: (1) Do corticosteroid injection...

journal_title：Clinical orthopaedics and related research

authors： Mohamadi A,Chan JJ,Claessen FM,Ring D,Chen NC

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:A giant cell tumor (GCT) of bone presenting in the distal radius is rare, however, when they occur, Campanacci Grade III tumors can present formidable reconstructive challenges. They are associated with a high local recurrence rate with intralesional treatment, therefore approaches to reconstruct the wrist afte...

journal_title：Clinical orthopaedics and related research

authors： Wang B,Wu Q,Liu J,Chen S,Zhang Z,Shao Z

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:Polyetheretherketone (PEEK) has a wide range of clinical applications but does not directly bond to bone. Bulk incorporation of osteoconductive materials including hydroxyapatite (HA) into the PEEK matrix is a potential solution to address the formation of a fibrous tissue layer between PEEK and bone and has...

journal_title：Clinical orthopaedics and related research

authors： Walsh WR,Pelletier MH,Bertollo N,Christou C,Tan C

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Polyetheretherketone (PEEK) and its composites are polymers resistant to fatigue strain, radiologically transparent, and have mechanical properties suitable for a range of orthopaedic applications. In bulk form, PEEK composites are generally accepted as biocompatible. In particulate form, however, the biolog...

journal_title：Clinical orthopaedics and related research

authors： Stratton-Powell AA,Pasko KM,Brockett CL,Tipper JL

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:Most contemporary total disc replacements (TDRs) use conventional orthopaedic bearing couples such as ultrahigh-molecular-weight polyethylene (polyethylene) and cobalt-chromium (CoCr). Cervical total disc replacements incorporating polyetheretherketone (PEEK) bearings (specifically PEEK-on-PEEK bearings) hav...

journal_title：Clinical orthopaedics and related research

authors： Siskey R,Ciccarelli L,Lui MK,Kurtz SM

更新日期：2016-11-01 00:00:00

abstract：BACKGROUND:In clinical trials of THA, model-based radiostereometric analysis (RSA) techniques may be less precise than conventional marker-based RSA for measurement of femoral stem rotation. We verified the accuracy and clinical precision of RSA based on computer-aided design models of a cementless tapered wedge femora...

journal_title：Clinical orthopaedics and related research

authors： Nazari-Farsani S,Finnilä S,Moritz N,Mattila K,Alm JJ,Aro HT

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:Socioeconomic variables influence various healthcare issues in different ways. The effect of socioeconomic variables on the shoulder has not been well studied. Because activity level, defined by how much a patient actually does, is an important patient outcome measure and prognostic factor for the shoulder, ...

journal_title：Clinical orthopaedics and related research

authors： Brophy RH,Lin KM,Skillington SA,Hepper CT,Smith MV

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND:Modern hip implants typically feature modular heads, which allow for easy exchange and removal from the femoral stem at the time of revision. However, owing to fretting, corrosion, or cold welding, the modular head may be difficult or impossible to separate from the underlying trunnion, especially if the imp...

journal_title：Clinical orthopaedics and related research

authors： Mäntymäki H,Mäkelä KT,Vahlberg T,Hirviniemi J,Niinimäki T

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Idiopathic osteoarthritis (OA) is a common diagnosis leading to hip arthroplasty. Patients undergoing unilateral hip arthroplasty often wonder whether their other hip will follow the same path as the one that was operated on, and if so, when? There also are limited data available to predict from AP radiograp...

journal_title：Clinical orthopaedics and related research

authors： Amstutz HC,Le Duff MJ

更新日期：2016-08-01 00:00:00

abstract：BACKGROUND:Metastatic bone disease is a substantial burden to patients and the healthcare system as a whole. Metastatic disease can be painful, is associated with decreased survival, and is emotionally traumatic to patients when they discover their disease has progressed. In the United States, more than 250,000 patient...

journal_title：Clinical orthopaedics and related research

authors： Blank AT,Lerman DM,Patel NM,Rapp TB

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND:A surgical site infection is a substantial cause of complications in patients. Different methods are being used to decrease surgical site infections; however, these infections still can cause complications, especially in patients undergoing longer operations (> 3 hours). There is evidence that the efficacy o...

journal_title：Clinical orthopaedics and related research

authors： Hosseini P,Mundis GM Jr,Eastlack R,Nourian A,Pawelek J,Nguyen S,Akbarnia BA

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND:Compressive osseointegration is a promising modality for limb salvage in distal femoral oncologic tumors. However, few studies have explored short-term survival rates in a large patient cohort of distal femur compressive endoprostheses or highlighted the risk factors for spindle failures. QUESTIONS/PURPOSES...

journal_title：Clinical orthopaedics and related research

authors： Goldman LH,Morse LJ,O'Donnell RJ,Wustrack RL

更新日期：2016-07-01 00:00:00

abstract：BACKGROUND:Pelvic and retroperitoneal trauma is a major cause of morbidity and mortality in multiply injured patients. The Injury Severity Score (ISS) has been criticized for underrepresenting and inaccurately defining mechanical injury. The influence of pelvic injury volume on organ dysfunction and multiple organ fail...

journal_title：Clinical orthopaedics and related research

authors： Gaski G,Frantz T,Steenburg S,Bell T,McKinley T

更新日期：2016-06-01 00:00:00

abstract：BACKGROUND:There is a general perception in practice that a vascular supply should be used when large pieces of bone graft are used, particularly those greater than 6 cm in length for long-bone and large-joint reconstructions. However, the scientific source of this recommendation is not clear. QUESTIONS/PURPOSES:We wi...

journal_title：Clinical orthopaedics and related research

authors： Allsopp BJ,Hunter-Smith DJ,Rozen WM

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:An entrustable professional activity describes a professional task that postgraduate residents must master during their training. The use of simulation to assess performance of entrustable professional activities requires further investigation. QUESTIONS/PURPOSES:(1) Is simulation-based assessment of reside...

journal_title：Clinical orthopaedics and related research

authors： Dwyer T,Wadey V,Archibald D,Kraemer W,Shantz JS,Townley J,Ogilvie-Harris D,Petrera M,Ferguson P,Nousiainen M

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Disruption of the periosteum has been used to explain overgrowth after long bone fractures. Clinically, various periosteal procedures have been reported to accelerate growth with varied results. Differences between procedures and study populations, in these prior studies, make drawing conclusions regarding t...

journal_title：Clinical orthopaedics and related research

authors： Halanski MA,Yildirim T,Chaudhary R,Chin MS,Leiferman E

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND:Mesenchymal stromal cells (MSCs) have been shown in rodent models to promote primary and pulmonary metastatic sarcoma growth when injected in the presence of gross tumor. In theory, this would limit their use in a clinical setting after limb salvage treatment for osteosarcoma. Although concerning, these mode...

journal_title：Clinical orthopaedics and related research

authors： Aanstoos ME,Regan DP,Rose RJ,Chubb LS,Ehrhart NP

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Controversy continues regarding the appropriate assessment of fracture risk in long bone lesions affected by disseminated malignancy. QUESTIONS/PURPOSES:The purpose of this ongoing Musculoskeletal Tumor Society-sponsored, multi-institutional prospective cross-sectional clinical study is to compare CT-based ...

journal_title：Clinical orthopaedics and related research

authors： Damron TA,Nazarian A,Entezari V,Brown C,Grant W,Calderon N,Zurakowski D,Terek RM,Anderson ME,Cheng EY,Aboulafia AJ,Gebhardt MC,Snyder BD

更新日期：2016-03-01 00:00:00

abstract：BACKGROUND:Despite the overall effectiveness of total hip arthroplasty (THA), a subset of patients remain dissatisfied with their results because of persistent pain or functional limitations. It is therefore important to develop predictive tools capable of identifying patients at risk for poor outcomes before surgery. ...

journal_title：Clinical orthopaedics and related research

authors： Berliner JL,Brodke DJ,Chan V,SooHoo NF,Bozic KJ

更新日期：2016-02-01 00:00:00

abstract：BACKGROUND:Fracture-dislocations of the proximal interphalangeal joint are vexing because subluxation and articular damage can lead to arthrosis and the treatments are imperfect. Ideally, a surgeon could advise a patient, based on radiographs, when the risk of problems merits operative intervention, but it is unclear i...

journal_title：Clinical orthopaedics and related research

authors： Janssen SJ,Molleman J,Guitton TG,Ring D,Science Of Variation Group.

更新日期：2015-12-01 00:00:00

abstract：BACKGROUND:Early adverse tissue reactions around metal-on-metal (MoM) hip replacements, especially pseudotumors, are a major concern. Because the causes and pathomechanisms of these pseudotumors remain largely unknown, clinical monitoring of patients with MoM bearings is challenging. QUESTIONS/PURPOSES:The purpose of ...

journal_title：Clinical orthopaedics and related research

authors： Catelas I,Lehoux EA,Hurda I,Baskey SJ,Gala L,Foster R,Kim PR,Beaulé PE

更新日期：2015-12-01 00:00:00

abstract：BACKGROUND:The incidence of acetabular fractures in osteoporotic patients is increasing. Immediate total hip arthroplasty (THA) has potential advantages, but achieving acetabular component stability is challenging and, at early followup, reported revision rates for loosening are high. QUESTIONS/PURPOSES:This study mea...

journal_title：Clinical orthopaedics and related research

authors： Solomon LB,Studer P,Abrahams JM,Callary SA,Moran CR,Stamenkov RB,Howie DW

更新日期：2015-12-01 00:00:00

abstract：BACKGROUND:Reverse total shoulder arthroplasty (RTSA) is widely used; however, the effects of RTSA geometric parameters on joint and muscle loading, which strongly influence implant survivorship and long-term function, are not well understood. By investigating these parameters, it should be possible to objectively opti...

journal_title：Clinical orthopaedics and related research

authors： Giles JW,Langohr GD,Johnson JA,Athwal GS

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND:Preoperative depressive symptoms have been shown in some but not all studies to be associated with poor self-reported pain and function outcomes. In addition, depressive symptoms after surgery have been shown to improve relative to preoperative levels. QUESTIONS/PURPOSES:We hypothesized that (1) preoperativ...

journal_title：Clinical orthopaedics and related research

authors： Riddle DL,Perera RA,Nay WT,Dumenci L

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND:Cost-effectiveness research is an increasingly used tool in evaluating treatments in orthopaedic surgery. Without high-quality primary-source data, the results of a cost-effectiveness study are either unreliable or heavily dependent on sensitivity analyses of the findings from the source studies. However, to...

journal_title：Clinical orthopaedics and related research

authors： Makhni EC,Steinhaus ME,Swart E,Bozic KJ

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND:Innate defense regulator peptide-1018 (IDR-1018) is a 12-amino acid, synthetic, immunomodulatory host defense peptide that can reduce soft tissue infections and is less likely to induce bacterial resistance than conventional antibiotics. However, IDRs have not been tested on orthopaedic infections and the im...

journal_title：Clinical orthopaedics and related research

authors： Choe H,Narayanan AS,Gandhi DA,Weinberg A,Marcus RE,Lee Z,Bonomo RA,Greenfield EM

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:To prevent symptomatic heterotopic ossification (HO) and guide primary prophylaxis in patients with combat wounds, physicians require risk stratification methods that can be used early in the postinjury period. There are no validated models to help guide clinicians in the treatment for this common and potent...

journal_title：Clinical orthopaedics and related research

authors： Alfieri KA,Potter BK,Davis TA,Wagner MB,Elster EA,Forsberg JA

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Osteoporosis may complicate surgical fixation and healing of proximal humerus fractures and should be assessed preoperatively. Peripheral quantitative CT (pQCT) and the Tingart measurement are helpful methods, but both have limitations in clinical use because of limited availability (pQCT) or fracture lines ...

journal_title：Clinical orthopaedics and related research

authors： Spross C,Kaestle N,Benninger E,Fornaro J,Erhardt J,Zdravkovic V,Jost B

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Musculoskeletal injury is the most common reason that soldiers are medically not ready to deploy. Understanding intrinsic risk factors that may place an elite soldier at risk of musculoskeletal injury may be beneficial in preventing musculoskeletal injury and maintaining operational military readiness. Findi...

journal_title：Clinical orthopaedics and related research

authors： Teyhen DS,Shaffer SW,Butler RJ,Goffar SL,Kiesel KB,Rhon DI,Williamson JN,Plisky PJ

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:A subgroup of patients undergoing TKA is unhappy with the outcome of surgery and preoperative psychological factors may play a role in their dissatisfaction. QUESTIONS/PURPOSES:We asked whether (1) psychological factors, as measured by preoperative self-reported questionnaires, predicted poor outcome after ...

journal_title：Clinical orthopaedics and related research

authors： Khatib Y,Madan A,Naylor JM,Harris IA

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:Liposomal amphotericin B is locally delivered to treat fungal orthopaedic infections but little is known about local tissue toxicity, if any, that might be associated with local delivery. QUESTIONS/PURPOSES:(1) Is liposomal amphotericin B cytotoxic in vitro? (2) Is locally delivered liposomal amphotericin B...

journal_title：Clinical orthopaedics and related research

authors： Roberts J,Bingham J,McLaren AC,McLemore R

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:The alpha-defensin test has been previously demonstrated to be highly accurate in the diagnosis of prosthetic joint infection (PJI), nearly matching the Musculoskeletal Infection Society definition for PJI. However, the relationship between alpha-defensin levels and differing infecting organism has not yet b...

journal_title：Clinical orthopaedics and related research

authors： Deirmengian C,Kardos K,Kilmartin P,Gulati S,Citrano P,Booth RE Jr

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:Previous studies have shown that perioperative blood transfusion increases cancer recurrence and decreases patient survival after resection of primary malignancies. The question arises whether this association also exists in patients with already disseminated disease undergoing surgery for metastatic long-bo...

journal_title：Clinical orthopaedics and related research

authors： Janssen SJ,Braun Y,Ready JE,Raskin KA,Ferrone ML,Hornicek FJ,Schwab JH

更新日期：2015-07-01 00:00:00

abstract：BACKGROUND:MRI is the gold standard for evaluating the relationship of disc material to soft tissue and neural structures. However, terminologies used to describe lumbar disc herniation and nerve root compression have always been a source of confusion. A clear understanding of lumbar disc terminology among clinicians, ...

journal_title：Clinical orthopaedics and related research

authors： Li Y,Fredrickson V,Resnick DK

更新日期：2015-06-01 00:00:00

abstract：BACKGROUND:Research addressing the burden of musculoskeletal disease in low- and middle-income countries does not reflect the magnitude of the epidemic in these countries as only 9% of the world's biomedical resources are devoted to addressing problems that affect the health of 90% of the world's population. Little is ...

journal_title：Clinical orthopaedics and related research

authors： Elliott IS,Sonshine DB,Akhavan S,Slade Shantz A,Caldwell A,Slade Shantz J,Gosselin RA,Coughlin RR

更新日期：2015-06-01 00:00:00

abstract：BACKGROUND:More than 15 years ago, the Institute of Medicine (IOM) identified medical error as a problem worthy of greater attention; in the wake of the IOM report, numerous changes were made to regulations to limit residents' duty hours. However, the effect of resident work-hour changes remains controversial within th...

journal_title：Clinical orthopaedics and related research

authors： Harris JD,Staheli G,LeClere L,Andersone D,McCormick F

更新日期：2015-05-01 00:00:00

abstract：BACKGROUND:Platelet-rich concentrates are used as a source of growth factors to improve the healing process. The diverse preparation protocols and the gaps in knowledge of their biological properties complicate the interpretation of clinical results. QUESTIONS/PURPOSES:In this study we aimed to (1) analyze the concent...

journal_title：Clinical orthopaedics and related research

authors： Schär MO,Diaz-Romero J,Kohl S,Zumstein MA,Nesic D

更新日期：2015-05-01 00:00:00