abstract：BACKGROUND:Primary tumor growth during neoadjuvant chemotherapy is believed to be a sign of resistance to chemotherapy (chemoresistance), and often is associated with poor histologic response, local recurrence, and poorer survival. Currently there are no proven indicators to predict poor response to chemotherapy at the...

journal_title：Clinical orthopaedics and related research

authors： Jeon DG,Song WS,Cho WH,Kong CB,Cho SH

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND:Postanesthesia care is a costly component of overall surgical care. In the ambulatory setting, regional anesthesia has been shown for multiple surgical procedures to either decrease postanesthesia care unit (PACU) length of stay (LOS) or completely bypass it altogether. This has not been demonstrated in a la...

journal_title：Clinical orthopaedics and related research

authors： Corey JM,Bulka CM,Ehrenfeld JM

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND:Despite the overall success of total joint arthroplasty, patients undergoing this procedure remain susceptible to cognitive decline and/or delirium, collectively termed postoperative cognitive dysfunction. However, no consensus exists as to whether general or regional anesthesia results in a lower likelihood...

journal_title：Clinical orthopaedics and related research

authors： Zywiel MG,Prabhu A,Perruccio AV,Gandhi R

更新日期：2014-05-01 00:00:00

abstract：BACKGROUND:There are a variety of postoperative immobilization and therapy options for patients with basal joint arthritis. Although prior systematic reviews have compared surgical procedures used to treat basal joint arthritis, none to our knowledge compares therapy protocols for this condition, which are considered a...

journal_title：Clinical orthopaedics and related research

authors： Wolfe T,Chu JY,Woods T,Lubahn JD

更新日期：2014-04-01 00:00:00

abstract：BACKGROUND:Subungual exostosis is a relatively common benign bone tumor that occurs in the distal phalanges of the toes and can be a source of pain and nail deformity. There is controversy about the treatment of these lesions and there are few studies that have synthesized what is known and provided meaningful informat...

journal_title：Clinical orthopaedics and related research

authors： DaCambra MP,Gupta SK,Ferri-de-Barros F

更新日期：2014-04-01 00:00:00

abstract：BACKGROUND:Massive soft tissue loss involving the pelvis and extremities from trauma, infections, and tumors remains a challenging and debilitating problem. Although vacuum-assisted closure (VAC) technology is effective in the management of soft tissue loss, the adjunct of a silver dressing in the setting of massive wo...

journal_title：Clinical orthopaedics and related research

authors： Siegel HJ,Herrera DF,Gay J

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND:Historically, achieving stability for the unstable total hip arthroplasty (THA) with revision surgery has been achieved inconsistently. Most of what we know about this topic comes from reports of high-volume surgeons' results; the degree to which these results are achieved in the community is largely unknown...

journal_title：Clinical orthopaedics and related research

authors： Salassa T,Hoeffel D,Mehle S,Tatman P,Gioe TJ

更新日期：2014-03-01 00:00:00

abstract：:Effective treatment of knee extensor mechanism disruptions requires prompt diagnosis and thoughtful decision-making with surgical and nonsurgical approaches. When surgery is chosen, excellent surgical technique can result in excellent outcomes. Complications and failures arise from missed or delayed diagnoses and from...

journal_title：Clinical orthopaedics and related research

authors： Volk WR,Yagnik GP,Uribe JW

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND:Large-head metal-on-metal (MoM) hip arthroplasties have demonstrated poor survival. Damage at the taper-trunnion junction is a contributing factor; however, the influence of junction design is not well understood. QUESTIONS/PURPOSES:(1) Does taper type affect fretting, corrosion, and volumetric wear at the ...

journal_title：Clinical orthopaedics and related research

authors： Nassif NA,Nawabi DH,Stoner K,Elpers M,Wright T,Padgett DE

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:Large-diameter femoral heads for metal-on-metal THA hold theoretical advantages of joint stability and low bearing surface wear. However, recent reports have indicated an unacceptably high rate of wear-associated failure with large-diameter bearings, possibly due in part to increased wear at the trunnion int...

journal_title：Clinical orthopaedics and related research

authors： Elkins JM,Callaghan JJ,Brown TD

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:Stiffness after a TKA can cause patient dissatisfaction and diminished function, therefore it is important to characterize predictors of ROM after TKA. Studies of AP translation in conscious individuals disagree whether AP translation affects maximum knee flexion angle after implantation of a highly congruen...

journal_title：Clinical orthopaedics and related research

authors： Ishii Y,Noguchi H,Takeda M,Sato J,Toyabe S

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:Adverse local tissue reactions (ALTR) around metal-on-metal (MOM) hip arthroplasties are increasingly being recognized as a cause of failure. These reactions may be associated with intraoperative tissue damage and complication rates as high as 50% after revision. Although MRI can identify ALTR in MOM hips, i...

journal_title：Clinical orthopaedics and related research

authors： Nawabi DH,Gold S,Lyman S,Fields K,Padgett DE,Potter HG

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:The Total Knee Arthroplasty (TKA) Complications Workgroup of the Knee Society developed a standardized list and definitions of complications associated with TKA. Twenty-two complications and adverse events believed important for reporting outcomes of TKA were identified. The Editorial Board of Clinical Ortho...

journal_title：Clinical orthopaedics and related research

authors： Iorio R,Della Valle CJ,Healy WL,Berend KR,Cushner FD,Dalury DF,Lonner JH

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:In a previous study, we described the distribution of coronal alignment in a normal asymptomatic population and recognized the occurrence of constitutional varus in one of four individuals. It is important to further investigate the influence of this condition on the joint line orientation and how the latter...

journal_title：Clinical orthopaedics and related research

authors： Victor JM,Bassens D,Bellemans J,Gürsu S,Dhollander AA,Verdonk PC

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:High tibial osteotomy (HTO) has long been accepted as an effective treatment for unicompartmental osteoarthritis of the knee in young, active adults. For varus knees, the two most commonly performed valgus-producing HTOs are the lateral closing wedge and the medial opening wedge. Regardless of technique, som...

journal_title：Clinical orthopaedics and related research

authors： Preston S,Howard J,Naudie D,Somerville L,McAuley J

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Hemiarthroplasty has been shown superior to internal fixation for displaced femoral neck fractures (FNF) in the first 2 years. However, there are unanswered questions about the performance of hemiarthroplasty over the longer term compared with internal fixation. QUESTIONS/PURPOSES:We sought to compare hemia...

journal_title：Clinical orthopaedics and related research

authors： Støen RØ,Lofthus CM,Nordsletten L,Madsen JE,Frihagen F

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Rotational malalignment of total knee arthroplasty (TKA) has been correlated with patellofemoral maltracking, knee instability, and stiffness. CT is the most accurate method to assess rotational alignment of prosthetic components after TKA, but inter- and intraobserver reliability of CT scans for this use ha...

journal_title：Clinical orthopaedics and related research

authors： Konigsberg B,Hess R,Hartman C,Smith L,Garvin KL

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:In different posterior-stabilized (PS) total knees, there are considerable variations in condylar surface radii and cam-post geometry. To what extent these variations affect kinematics is not known. Furthermore, there are no clearly defined ideal kinematics for a total knee. QUESTIONS/PURPOSES:The purposes ...

journal_title：Clinical orthopaedics and related research

authors： Walker PS,Lowry MT,Kumar A

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:For unicompartmental knee arthroplasty (UKA), abnormal loading on the tibiofemoral joint could exacerbate knee osteoarthritis or implant wear. Joint moments are an indirect measure of such loading. However, little is known about knee moments of patients with UKA, tempering enthusiasm for its use. QUESTIONS/...

journal_title：Clinical orthopaedics and related research

authors： Fu YC,Simpson KJ,Brown C,Kinsey TL,Mahoney OM

更新日期：2014-01-01 00:00:00

abstract：BACKGROUND:Kidney dysfunction (KD) after hip fracture surgery is a major complication. However, the incidence and risk factors of KD in this population are unclear. QUESTIONS/PURPOSES:We therefore (1) determined the incidence of KD in a large cohort of fracture patients, (2) identified preoperative risk factors predis...

journal_title：Clinical orthopaedics and related research

authors： Macheras GA,Kateros K,Koutsostathis SD,Papadakis SA,Tsiridis E

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND:Although gunshot injuries are relatively common, there is little consensus about whether retained bullets or bullet fragments should be removed routinely or only in selected circumstances. QUESTIONS/PURPOSES:We performed a systematic review of the literature to answer the following questions: (1) Is bullet ...

journal_title：Clinical orthopaedics and related research

authors： Riehl JT,Sassoon A,Connolly K,Haidukewych GJ,Koval KJ

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND:Healing and functional recovery have been reported using an extensively porous-coated stem in Vancouver B2 and B3 periprosthetic fractures; however, loss of cortical bone has been observed when using these stems in revision surgery for aseptic loosening. However, it is unclear whether this bone loss influenc...

journal_title：Clinical orthopaedics and related research

authors： García-Rey E,García-Cimbrelo E,Cruz-Pardos A,Madero R

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND:Hip preservation surgery has become more commonplace, yet when it fails, it is unclear why it does so. Understanding failed procedures should lead to improved surgical results. QUESTIONS/PURPOSES:The purposes of this study were to (1) characterize patients undergoing hip preservation surgery after prior pro...

journal_title：Clinical orthopaedics and related research

authors： Clohisy JC,Nepple JJ,Larson CM,Zaltz I,Millis M,Academic Network of Conservation Hip Outcome Research (ANCHOR) Members.

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND:Patient-specific CT-based instrumentation may reduce implant malpositioning and improve alignment in TKA. However, it is not known whether this innovation is an advance that benefits patients. QUESTIONS/PURPOSES:We evaluated (1) the precision of patient-specific TKA by comparing the incidence of outliers in...

journal_title：Clinical orthopaedics and related research

authors： Roh YW,Kim TW,Lee S,Seong SC,Lee MC

更新日期：2013-12-01 00:00:00

abstract：BACKGROUND:Interest in developing national health care has been increasing in many fields of medicine, including orthopaedics. One manifestation of this interest has been the development of global health opportunities during residency training. QUESTIONS/PURPOSES:We assessed global health activities and opportunities ...

journal_title：Clinical orthopaedics and related research

authors： Clement RC,Ha YP,Clagett B,Holt GE,Dormans JP

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:The literature suggests that a cemented long-stem femoral arthroplasty is associated with increased intraoperative and perioperative risks. Embolic events may precipitate cardiopulmonary complications and even death; by contrast, others have reported that the use of a cemented long-stem femoral arthroplasty ...

journal_title：Clinical orthopaedics and related research

authors： Price SL,Farukhi MA,Jones KB,Aoki SK,Randall RL

更新日期：2013-10-01 00:00:00

abstract：BACKGROUND:Vitamin D plays an essential role in bone health and muscle function. Some studies have shown a widespread rate of vitamin D deficiency in the general population, but few have reported on the vitamin D status of orthopaedic patients. QUESTIONS/PURPOSES:We investigated (1) the extent of hypovitaminosis D in ...

journal_title：Clinical orthopaedics and related research

authors： Maier GS,Jakobs P,Roth KE,Kurth AA,Maus U

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:Metal-on-metal hip resurfacing arthroplasty (MOM HR) has become an established alternative to traditional metal-on-metal total hip arthroplasty (MOM THA) for younger, more active patients. Nevertheless, concerns remain regarding wear and corrosion of the bearing surfaces and the resulting systemic metal ion ...

journal_title：Clinical orthopaedics and related research

authors： Savarino L,Cadossi M,Chiarello E,Baldini N,Giannini S

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:CT pulmonary angiography (CTPA) has become widely adopted to detect pulmonary embolism (PE) after total joint arthroplasty (TJA). CTPA is a sensitive tool, which has the ability to detect emboli that may be clinically insignificant. This may lead to iatrogenic harm from overtreatment. QUESTIONS/PURPOSES:The...

journal_title：Clinical orthopaedics and related research

authors： D'Apuzzo MR,Keller TC,Novicoff WM,Browne JA

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:The standard approach to lateral tibial plateau fractures involves elevation of the iliotibial band (IT) and anterior tibialis origin in continuity from Gerdy's tubercle and metaphyseal flare. We describe an alternative approach to increase lateral plateau joint exposure and maintain iliotibial band insertio...

journal_title：Clinical orthopaedics and related research

authors： Johnson EE,Timon S,Osuji C

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:Dexamethasone is a potent analgesic and antiemetic. However, the benefit of dexamethasone after TKA is unclear, as is the efficacy in a current multimodal regime. QUESTIONS/PURPOSES:We determined (1) whether the addition of dexamethasone to a protocol including ramosetron further reduces postoperative emesi...

journal_title：Clinical orthopaedics and related research

authors： Koh IJ,Chang CB,Lee JH,Jeon YT,Kim TK

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND:Anecdotal evidence from second-look hip arthroscopies and animal studies has suggested spontaneous labral regrowth may occur after débridement. However, these observations have not been systematically confirmed. QUESTIONS/PURPOSES:We (1) determined whether labral regrowth occurs after débridement in human h...

journal_title：Clinical orthopaedics and related research

authors： Abrams GD,Safran MR,Sadri H

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:Neglected clubfoot in older children is characterized by a stiff, nonreducible deformity with relative elongation of the lateral column of the foot with respect to the medial column. Surgical correction often has involved a double osteotomy with elongation of the medial column and shortening of the lateral c...

journal_title：Clinical orthopaedics and related research

authors： Faldini C,Traina F,Di Martino A,Nanni M,Acri F

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:The Lysholm knee scale, first published in 1982, is an eight-item questionnaire designed to evaluate patients after knee ligament injury. However, as a tool developed in English, its use as a validated instrument has been limited to English-language populations. QUESTIONS/PURPOSES:The objectives of this stu...

journal_title：Clinical orthopaedics and related research

authors： Celik D,Coşkunsu D,Kiliçoğlu O

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:Hip fractures in the elderly are followed by considerable risk of functional decline and mortality. QUESTIONS/PURPOSES:The purposes of this study were to (1) explore predictive factors of functional level at discharge, (2) evaluate 1-year mortality after hip fracture compared with that of the general popula...

journal_title：Clinical orthopaedics and related research

authors： Dubljanin-Raspopović E,Marković-Denić L,Marinković J,Nedeljković U,Bumbaširević M

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:Radial head alignment is the key to determine elbow reduction after treatment of subluxations or Monteggia fractures. The radiocapitellar ratio (RCR) quantifies the degree of subluxation, by evaluating radial head alignment with the capitellum of the humerus; this ratio is reproducible when measured on true ...

journal_title：Clinical orthopaedics and related research

authors： McCann F,Canet F,Sandman E,Petit Y,Rouleau DM

更新日期：2013-08-01 00:00:00

abstract：BACKGROUND:With cerebral palsy (CP), an equinus deformity may lead to genu recurvatum. Botulinum toxin A (BtA) injection into the calf muscles is a well-accepted treatment for dynamic equinus deformity. QUESTIONS/PURPOSES:The purpose of this study was to determine whether BtA injections into the calf muscles to decrea...

journal_title：Clinical orthopaedics and related research

authors： Klotz MC,Wolf SI,Heitzmann D,Gantz S,Braatz F,Dreher T

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:The direct anterior approach for THA allows implantation through an internervous plane without muscle detachment from bone. However, the classic longitudinal skin incision does not follow the anatomic skin creases and can result in scar widening. We therefore modified our incision technique to a short obliqu...

journal_title：Clinical orthopaedics and related research

authors： Leunig M,Faas M,von Knoch F,Naal FD

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:Reconstruction of the extensor mechanism after resection of the proximal tibia is challenging, and several methods are available. A medial gastrocnemius flap commonly is used, although it may be associated with an extensor lag. This problem also is encountered, although perhaps to a lesser extent, with other...

journal_title：Clinical orthopaedics and related research

authors： Jentzsch T,Erschbamer M,Seeli F,Fuchs B

更新日期：2013-07-01 00:00:00

abstract：BACKGROUND:The prevention of medical and surgical harm remains an important public health problem despite increased awareness and implementation of safety programs. Successful introduction and maintenance of surgical safety programs require both surgeon leadership and collaborative surgeon-hospital alignment. Documenta...

journal_title：Clinical orthopaedics and related research

authors： Kuo CC,Robb WJ 3rd

更新日期：2013-06-01 00:00:00