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| 1 | Cytokines as biochemical markers for knee osteoarthritis显示文摘Osteoarthritis(OA) is a debilitating degenerative joint disease particularly affecting weightbearing joints within the body, principally the hips and knees. Current radiographic techniques are insufficient to show biochemical changes within joint tissue which can occur many years before symptoms become apparent. The need for better diagnostic and prognostic tools is heightened with the prevalence of OA set to increase in aging and obese populations. As inflammation is increasingly beingconsidered an important part of OAs pathophysiology, cytokines are being assessed as possible candidates for biochemical markers. Cytokines, both pro- and antiinflammatory, as well as angiogenic and chemotactic, have in recent years been studied for relevant characteristics. Biochemical markers show promise in determination of the severity of disease in addition to monitoring of the efficacy and safety of disease-modifying OA drugs, with the potential to act as diagnostic and prognostic tools. Currently, the diagnostic power of interleukin(IL)-6 and the relationship to disease burden of IL-1β, IL-15, tumor necrosis factor-α, and vascular endothelial growth factor make these the best candidates for assessment. Grouping appropriate cytokine markers together and assessing them collectively alongside other bone and cartilage degradation products will yield a more statistically powerful tool in research and clinical applications, and additionally aid in distinguishing between OA and a number of other diseases in which cytokines are known to have an involvement. Further large scale studies are needed to assess the validity and efficacy of current biomarkers, and to discover other potential biomarker candidates. | Thomas Mabey Sittisak Honsawek | 2015 | World Journal of Orthopedics2015，6，1： | 38 |
| 2 | Intraarticular injections(corticosteroid, hyaluronic acid, platelet rich plasma) for the knee osteoarthritis显示文摘Osteoarthritis(OA)is a complex'whole joint'disease pursued by inflammatory mediators,rather than purely a process of'wear and tear'.Besides cartilage degradation,synovitis,subchondral bone remodeling,degeneration of ligaments and menisci,and hypertrophy of the joint capsule take parts in the pathogenesis.Pain is the hallmark symptom of OA,but the extent to which structural pathology in OA contributes to the pain experience is still not well known.For the knee OA,intraarticular(IA)injection(corticosteroids,viscosupplements,blood-derived products)is preferred as the last nonoperative modality,if the other conservative treatment modalities are ineffective.IA corticosteroid injections provide short term reduction in OA pain and can be considered as an adjunct to core treatment for the relief of moderate to severe pain in people with OA.IA hyaluronic acid(HA)injections might have efficacy and might provide pain reduction in mild OA of knee up to 24 wk.But for HA injections,the costeffectiveness is an important concern that patients must be informed about the efficacy of these preparations.Although more high-quality evidence is needed,recent studies indicate that IA platelet rich plasma injections are promising for relieving pain,improving knee function and quality of life,especially in younger patients,and in mild OA cases.The current literature and our experience indicate that IA injections are safe and have positive effects for patient satisfaction.But,there is no data that any of the IA injections will cause osteophytes to regress or cartilage and meniscus to regenerate in patients with substantial and irreversible bone and cartilage damage. | Egemen Ayhan Hayrettin Kesmezacar Isik Akgun | 2014 | World Journal of Orthopedics2014，5，3： | 36 |
| 3 | Current surgical strategies for total arthroplasty in valgus knee显示文摘The majority of orthopaedic surgeons even currentlyagree that primary total arthroplasty in valgus knees with a deformity of more than ten degrees may prove challenging. The unique sets of bone and soft tissue abnormalities that must be addressed at the time of the operation make accurate axis restoration, component orientation and joint stability attainment a difficult task. Understanding the specific pathologic anatomic changes associated with the valgus knee is a prerequisite so as to select the proper surgical method, to optimize component position and restore soft-tissue balance. The purpose of this article is to review the valgus knee anatomical variations, to assess the best pre-operative planning and to evaluate how to choose the grade of constraint of the implant. It will also be underlying the up-to-date main approaches and surgical techniques be proposed in the English literature both for bone cuts and soft tissue management of valgus knees. | Dimitrios Nikolopoulos Ioannis Michos George Safos Petros Safos | 2015 | World Journal of Orthopedics2015，6，6： | 20 |
| 4 | Perioperative pain control after total knee arthroplasty: An evidence based review of the role of peripheral nerve blocks显示文摘Over the last decades,the number of total knee arthroplasty procedures performed in the United States has been increasing dramatically.This very successful intervention,however,is associated with significant postoperative pain,and adequate postoperative analgesia is mandatory in order to allow for successful rehabilitation and recovery.The use of regional anesthesia and peripheral nerve blocks has facilitated and improved this goal.Many different approaches and techniques for peripheral nerve blockades,either landmark or,more recently,ultrasound guided have been described over the last decades.This includes but is not restricted to techniques discussed in this review.The introduction of ultrasound has improved many approaches to peripheral nerves either in success rate and/or time to block.Moreover,ultrasound has enhanced the safety of peripheral nerve blocks due to immediate needle visualization and as consequence needle guidance during the block.In contrast to patient controlled analgesia using opioids,patients with a regional anesthetic technique suffer from fewer adverse events and show higher patient satisfaction;this is important as hospital rank-ings and advertisement have become more common worldwide and many patients use these factors in order to choose a certain institution for a specific procedure.This review provides a short overview of currently used regional anesthetic and analgesic techniques focusing on related implications,considerations and outcomes. | Thomas Danninger Mathias Opperer Stavros G Memtsoudis | 2014 | World Journal of Orthopedics2014，5，3： | 20 |
| 5 | State-of-the-Art management of knee osteoarthritis显示文摘Osteoarthritis(OA) is the most common type of arthritis found in the United States' population and is also the most common disease of joints in adults throughout the world with the knee being the most frequently affected of all joints. As the United States' population ages along with the increasing trends in obesity prevalence in other parts of the world, it is expected that the burden of OA on the population, healthcare system, and overall economy will continue to increase in the future without making major improvements in managing knee OA. Numerous therapies aim to reduce symptoms of knee OA and continued research has helped to further understand the complex pathophysiology of its disease mechanism attempting to uncover new potential targets for the treatment of OA. This review article seeks to evaluate the current practices for managing knee OA and discusses emerging therapies on the horizon. These practices include non-pharmacological treatments such as providing patient education and self-management strategies, advising weight loss, strengthening programs, and addressing biomechanical issues with bracing or foot orthoses. Oral analgesics and anti-inflammatories are pharmacologicals that are commonly used and the literature overall supports that some of these medications can be helpful for managing knee OA in the short-term but are less effective for long-term management. Additionally, more prolonged use significantly increases the risk of serious associated side effects that are not too uncommon. Diseasemodifying osteoarthritis drugs are being researched as a treatment modality to potentially halt or slow disease progression but data at this time is limited and continued studies are being conducted to further investigate their effectiveness. Intra-articular injectables are also implemented to manage knee OA ranging from corticosteroids to hyaluronans to more recently plateletrich plasma and even stem cells while several other injection therapies are presently being studied. The goal of developing new treatment strategies for knee OA is to prolong the need for total knee arthroplasty which should be utilized only if other strategies have failed. High tibial osteotomy and unicompartmental knee arthroplasty are potential alternatives if only a single compartment is involved with more data supporting unicompartmental knee arthroplasty as a good treatment option in this scenario. Arthroscopy has been commonly used for many years to treat knee OA to address degenerative articular cartilage and menisci, however, several high-quality studies have shown that it is not a very effective treatment for the majority of cases and should generally not be considered when managing knee OA. Improving the management of knee OA requires a multi-faceted treatment approach along with continuing to broaden our understanding of this complex disease so that therapeutic advancements can continue to be developed with the goal of preventing further disease progression and even potentially reversing the degenerative process. | Kenton H Fibel Howard J Hillstrom Brian C Halpern | 2015 | World Journal of Clinical Cases2015，3，2： | 19 |
| 6 | Anterior knee pain following primary total knee arthroplasty显示文摘Despite improvements in technique and technology for total knee arthroplasty(TKA),anterior knee pain impacts patient outcomes and satisfaction.Addressing the prosthetic and surgical technique related causes of pain after TKA,specifically as it relates to anterior knee pain,can aid surgeons in addressing these issues with their patients.Design features of the femoral and patellar components which have been reported as pain generators include: Improper femoral as well as patellar component sizing or designs that result in patellofemoral stuffing; a shortened trochlear groove distance from the flange to the intercondylar box; and then surgical technique related issues resulting in: Lateral patellar facet syndrome; overstuffed patella/flange combination; asymmetric patellar resurfacing,improper transverse plane component rotation resulting in patellar subluxation/tilt.Any design consideration that allows impingement of extensor mechanism anatomical elements has the possibility of impacting outcome by becoming a pain generator.As the number of TKA procedures continues to increase,it is increasingly critical to develop improved,evidence based prostheses that maximize function and patient satisfaction while minimizing pain and other complications. | David Shervin Katelyn Pratt Travis Healey Samantha Nguyen William M Mihalko Mouhanad M El-Othmani Khaled J Saleh | 2015 | World Journal of Orthopedics2015，6，10： | 15 |
| 7 | Total knee arthroplasty and fractures of the tibial plateau显示文摘Tibial plateau fractures are common injuries that occur in a bimodal age distribution. While there are various treatment options for displaced tibial plateau fractures, the standard of care is open reduction and internal fixation(ORIF). In physiologically young patients with higher demand and better bone quality, ORIF is the preferred method of treating these fractures. However, future total knee arthroplasty(TKA) is a consideration in these patients as post-traumatic osteoarthritis is a common long-term complication of tibial plateau fractures. In older, lower demand patients, ORIF is potentially less favorable for a variety of reasons, namely fixation failure and the need for delayed weight bearing. In some of these patients, TKA can be considered as primary mode of treatment. This paper will review the literature surrounding TKA as both primary treatment and as a salvage measure in patients with fractures of the tibial plateau. The outcomes, complications, techniques and surgical challenges are also discussed. | Kenneth A Softness Ryan S Murray Brian G Evans | 2017 | World Journal of Orthopedics2017，8，2： | 15 |
| 8 | Multiligament knee injuries with associated tibial plateau fractures: A report of two cases显示文摘The management of a combination of fracture and multiligament knee injury(MKI) in traumatic knee injury remains controversial, and there are evolving treatment recommendations. Currently, there are no studies focusing on older adult patients with MKI's in combination with tibia fractures. As a result, there is no well-established treatment algorithm for older adult patients with these complex injuries. We report two cases of MKI's with concomitant fractures in patients fifty years of age or older. Both patients were treated surgically for their associated tibial plateau fractures, but were managed with conservative treatment of the multiligamentous knee injuries. We also provide a review of the literature and guidelines for older adult patients with these types of complex traumatic injuries. Early to mid term acceptable outcomes were achieved for both patients through surgical fixation of the tibial plateau fracture and conservative treatment of the ligament injuries. We propose a comprehensive treatment algorithm for management of these complex injuries. | Vani J Sabesan Paul J Danielsky Abby Childs Tom Valikodath | 2015 | World Journal of Orthopedics2015，6，3： | 14 |
| 9 | Perioperative blood management strategies for patients undergoing total knee replacement:Where do we stand now?显示文摘Total knee replacement(TKR) is one of the most common surgeries over the last decade. Patients undergoing TKR are at high risk for postoperative anemia and furthermore for allogeneic blood transfusions(ABT). Complications associated with ABT including chills, rigor, fever, dyspnea, light-headedness should be early recognized in order to lead to a better prognosis. Therefore, perioperative blood management program should be adopted with main aim to reduce the risk of blood transfusion while maximizing hemoglobin simultaneously. Many blood conservation strategies have been attempted including preoperative autologous blood donation, acute normovolemic haemodilution, autologous blood transfusion, intraoperative cell saver, drain clamping, pneumatic tourniquet application, and the use of tranexamic acid. For practical and clinical reasons we will try to classify these strategies in three main stages/pillars: Pre-operative optimization, intra-operative and post-operative protocols. The aim of this work is review the strategies currently in use and reports our experience regarding the perioperative blood management strategies in TKR. | Tzatzairis Themistoklis Vogiatzaki Theodosia Kazakos Konstantinos Drosos I Georgios | 2017 | World Journal of Orthopedics2017，8，6： | 13 |
| 10 | T1ρ/T2 mapping and histopathology of degenerative cartilage in advanced knee osteoarthritis显示文摘AIM To investigate whether normal thickness cartilage in osteoarthritic knees demonstrate depletion of proteoglycan or collagen content compared to healthy knees.METHODS Magnetic resonance(MR) images were acquired from5 subjects scheduled for total knee arthroplasty(TKA)(mean age 70 years) and 20 young healthy control subjects without knee pain(mean age 28.9 years). MR images of T1ρ mapping, T2 mapping, and fat suppressed proton-density weighted sequences were obtained.Following TKA each condyle was divided into 4 parts(distal medial, posterior medial, distal lateral, posterior lateral) for cartilage analysis. Twenty specimens(bone and cartilage blocks) were examined. For each joint,the degree and extent of cartilage destruction was determined using the Osteoarthritis Research Society International cartilage histopathology assessment system.In magnetic resonance imaging(MRI) analysis, 2 readers performed cartilage segmentation for T1ρ/T2 values and cartilage thickness measurement.RESULTS Eleven areas in MRI including normal or near normal cartilage thickness were selected. The corresponding histopathological sections demonstrated mild to moderate osteoarthritis(OA). There was no significant difference in cartilage thickness in MRI between control and advanced OA samples [medial distal condyle, P = 0.461;medial posterior condyle(MPC), P = 0.352; lateral distal condyle, P = 0.654; lateral posterior condyle, P = 0.550],suggesting arthritic specimens were morphologically similar to normal or early staged degenerative cartilage.Cartilage T2 and T1ρ values from the MPC were significantly higher among the patients with advanced OA(P= 0.043). For remaining condylar samples there was no statistical difference in T2 and T1ρ values between cases and controls but there was a trend towards higher values in advanced OA patients. CONCLUSION Though cartilage is morphologically normal or near normal, degenerative changes exist in advanced OA patients. These changes can be detected with T2 and T1ρ MRI techniques. | Benjamin S Kester Philip M Carpenter Hon J Yu Taiki Nozaki Yasuhito Kaneko Hiroshi Yoshioka Ran Schwarzkopf | 2017 | World Journal of Orthopedics2017，8，4： | 12 |
| 11 | Comparison of intra-articular injection of parecoxib vs oral administration of celecoxib for the clinical efficacy in the treatment of early knee osteoarthritis显示文摘BACKGROUND Non-steroid anti-inflammatory drugs(NSAIDs)have played a crucial role in the treatment of osteoarthritis,especially in the early stages.However,the cardiovascular risk and adverse gastrointestinal reactions of oral NSAIDs in elderly people cannot be underestimated.Intra-articular injection of NSAIDs may be a new attempt for early knee osteoarthritis treatment.Parecoxib may be a suitable drug for intra-articular injection.AIM To observe the clinical efficacy of the intra-articular injection of parecoxib for early knee osteoarthritis.METHODS Early knee osteoarthritis patients(n=110)were retrospectively analyzed.These patients were divided into three groups:Basic treatment+oral glucosamine(group A,n=37),oral celecoxib+basic treatment+oral glucosamine(group B,n=37),and intra-articular injection of parecoxib+basic treatment+oral glucosamine(group C,n=36).Intra-articular injection of parecoxib was performed once every 2 wk at a dose of 40 mg each time,for three times total.The three groups were compared in terms of visual analogue scale(VAS)scores,Hospital for Special Surgery(HSS)scores and patient satisfaction before and after treatment.The levels of inflammatory cytokines in the synovial fluid were detected in the three groups before and after treatment.RESULTS All patients were followed up for an average of 15.5±2.7 mo.The clinical efficacy was estimated by VAS and HSS scores at 12 mo after treatment.Inflammatory cytokine levels in the synovial fluid were evaluated at 3 mo after treatment.VAS and HSS scores were significantly improved in each group compared with before(P<0.001).There were significant differences among the three groups in VAS and HSS scores(P<0.001).The clinical efficacy of group C was superior to that of groups A and B(P<0.001),while group B outperformed group A in this respect(P<0.001).The patient satisfaction was the highest in group C(P<0.001).After treatment,the levels of tumor necrosis factorα(TNF-α)and interleukin(IL)-6 in the synovial fluid decreased in each group compared with before(P<0.001),while the levels of IL-10 increased(P<0.001).The three groups differed significantly in the levels of TNF-a,IL-6 and IL-10 in the synovial fluid after treatment(P<0.001).CONCLUSION For patients with early knee osteoarthritis,intra-articular injection of parecoxib could effectively improve clinical symptoms.This method may be a reliable alternative for early knee osteoarthritis. | Lu Lu Yu Xie Ke Gan Xiao-Wen Huang | 2019 | World Journal of Clinical Cases2019，7，23： | 12 |
| 12 | Effectiveness of exercise for osteoarthritis of the knee:A review of the literature显示文摘Osteoarthritis(OA)of the knee is the most common type of arthritis and the major cause of chronic musculoskeletal pain and mobility disability in the elderly.The objective of this paper is to discuss the effectiveness of exercise for OA of the knee based on a review of the literature.We reviewed the relevant literature,i.e.systematic reviews and meta-analyses searched using PubMed.Muscle strengthening and aerobic exercises are effective in reducing pain and improving physical function in patients with mild to moderate OA of the knee. | Jun Iwamoto Yoshihiro Sato Tsuyoshi Takeda Hideo Matsumoto | 2011 | World Journal of Orthopedics2011，2，5： | 11 |
| 13 | 人工蜂群算法优化的特征选择方法显示文摘在分类问题中,数据之间存在的大量冗余、不相关的特征不仅不能增加分类准确率,反而会降低分类算法执行的速度。特征选择通过最大化分类正确率和最小化特征数来解决这个问题,由于这是两个相互矛盾的目标,因此可以将特征选择问题视为一种多目标优化问题。为了提升特征选择的效率,提出了一种基于Knee Points的改进多目标人工蜂群算法的特征选择方法(artificial bee colony algorithm based on Knee Points,KnABC),设计了一种快速识别Knee Points的方法,并改进了引领蜂和引领蜂算子。与其他经典多目标算法在11个UCI测试数据集上的特征选择实验结果表明,提出的算法在减小分类特征数、增大分类结果准确率方面具有显著效果。 | 巢秀琴 李炜 | 2019 | 计算机科学与探索2019，13，2： | 11 |
| 14 | Anterior knee pain after a total knee arthroplasty: What can cause this pain?显示文摘Total Knee Arthroplasty has been shown to be a successful procedure for treating patients with osteoarthritis,and yet approximately 5%-10%of patients experience residual pain,especially in the anterior part of the knee.Many theories have been proposed to explain the etiology of this anterior knee pain(AKP)but,despite improvements having been made,AKP remains a problem.AKP can be described as retropatellar or peripatellar pain,which limits patients in their everyday lives.Patients suffering from AKP experience difficulty in standing up from a chair,walking up and down stairs and riding a bicycle.The question asked was:'How can a‘perfectly’placed total knee arthroplasty(TKA)still be painful:what can cause this pain?'.To prevent AKP after TKA it is important to first identify the different anatomical structures that can cause this pain.Greater attention to and understanding of AKP should lead to significant pain relief and greater overall patient satisfaction after TKA.This article is a review of what pain is,how nerve signalling works and what is thought to cause Anterior Knee Pain after a Total Knee Arthroplasty. | Stéfanus Jacob Martinus Breugem Daniёl Haverkamp | 2014 | World Journal of Orthopedics2014，5，3： | 11 |
| 15 | Glucosamine and chondroitin for the treatment of osteoarthritis显示文摘The prevalence of primary or idiopathic osteoarthritis(OA) of knee and hip joints has substantially increased in general population during the last decades. Analgesics and non-steroidal anti-inflammatory drugs are currently extensively used as non-surgical treatmentoptions. However, they act as symptomatic treatments, not offering a cure of OA and they are accused for an increased risk of adverse events. Glucosamine(GL) and chondroitin(CH) are nutritional supplements that have recently gained widespread use as treatment options for OA. They potentially or theoretically act as chondroprotectors or/and as 'disease-modifying OA drugs' offering not only symptomatic relief but also alteration of the natural history of OA. However, although many studies have showed a significant treatment effect, accompanied with remarkable safety, there is still controversy regarding their relative effectiveness compared with placebo or other treatments. The scope of this review is to present and critically evaluate the current evidence-based information regarding the administration of GL and CH for the treatment of knee or hip OA. Our focus is to investigate the clinical efficacy and safety after the use of these supplements. An effect of GL and CH on both clinical and radiological findings has been shown. However, only a few high-quality level I trials exist in the literature, especially on the assessment of radiological progression of OA. The effect sizes are generally small and probably not clinically relevant. Even the validity of these results is limited by the high risk of bias introduced in the studies. Both GL and CH seem to be safe with no serious adverse events reported. There is currently no convincing information for the efficacy of GL and CH on OA. | Haris S Vasiliadis Konstantinos Tsikopoulos | 2017 | World Journal of Orthopedics2017，8，1： | 10 |
| 16 | Return to sport following tibial plateau fractures: A systematic review显示文摘AIM To systemically review all studies reporting return to sport following tibial plateau fracture, in order to provide information on return rates and times to sport, and to assess variations in sporting outcome for different treatment methods.METHODS A systematic search of CINAHAL, Cochrane, EMBASE, Google Scholar, MEDLINE, PEDro, Scopus, SPORTDiscus and Web of Science was performed in January 2017 using the keywords 'tibial', 'plateau', 'fractures', 'knee', 'athletes', 'sports', 'non-operative', 'conservative', 'operative', 'return to sport'. All studies which recorded return rates and times to sport following tibial plateau fractures were included. RESULTS Twenty-seven studies were included: 1 was a randomised controlled trial, 7 were prospective cohort studies, 16 were retrospective cohort studies, 3 were case series. One study reported on the outcome of conservative management(n = 3); 27 reported on the outcome of surgical management(n = 917). Nine studies reported on Open Reduction Internal Fixation(ORIF)(n = 193), 11 on Arthroscopic-Assisted Reduction Internal Fixation(ARIF)(n = 253) and 7 on Frame-Assisted Fixation(FRAME)(n = 262). All studies recorded 'return to sport'rates. Only one study recorded a 'return to sport' time. The return rate to sport for the total cohort was 70%. For the conservatively-managed fractures, the return rate was 100%. For the surgically-managed fractures, the return rate was 70%. For fractures managed with ORIF, the return rate was 60%. For fractures managed with ARIF, the return rate was 83%. For fractures managed with FRAME was 52%. The return rate for ARIF was found to be significantly greater than that for ORIF(OR 3.22, 95%CI: 2.09-4.97, P < 0.001) and for FRAME(OR 4.33, 95%CI: 2.89-6.50, P < 0.001). No difference was found between the return rates for ORIF and FRAME(OR 1.35, 95%CI: 0.92-1.96, P = 0.122). The recorded return time was 6.9 mo(median), from a study reporting on ORIF.CONCLUSION Return rates to sport for tibial plateau fractures remain limited compared to other fractures. ARIF provides the best return rates. There is limited data regarding return times to sport. Further research is required to determine return times to sport, and to improve return rates to sport, through treatment and rehabilitation optimisation. | Greg A J Robertson Seng J Wong Alexander M Wood | 2017 | World Journal of Orthopedics2017，8，7： | 10 |
| 17 | Why total knees fail-A modern perspective review显示文摘Historically, the most common mechanism of total kneearthroplasty(TKA) failures included aseptic loosening, instability and malalignment. As polyethylene production improved, modes of failure from polyethylene wear and subsequent osteolysis became less prevalent. Newer longitudinal studies report that infection has become the primary acute cause of failure with loosening and instability remaining as the overall greatest reasons for revision. Clinical database and worldwide national registries confirm these reports. With an increasing amount of TKA operations performed in the United States, and with focus on value-based healthcare, it is imperative to understand why total knees fail. | Zachary C Lum Alvin K Shieh Lawrence D Dorr | 2018 | World Journal of Orthopedics2018，9，4： | 9 |
| 18 | Orthopedic disorders of the knee in hemophilia:A current concept review显示文摘The knee is frequently affected by severe orthopedic changes known as hemophilic arthropathy(HA) in patients with deficiency of coagulation factor Ⅷ or Ⅸ and thus this manuscript seeks to present a current perspective of the role of the orthopedic surgeon in the management of these problems.Lifelong factor replacement therapy(FRT) is optimal to prevent HA,however adherence to this regerous treatment is challenging leading to breakthrough bleeding.In patients with chronic hemophilic synovitis,the prelude to HA,radiosynovectomy(RS) is the optimal to ameliorate bleeding.Surgery in people with hemophilia(PWH) is associated with a high risk of bleeding and infection,and must be performed with FRT.A coordinated effort including orthopedic surgeons,hematologists,physical medicine and rehabilitation physicians,physiotherapists and other team members is key to optimal outcomes.Ideally,orthopedic procedures should be performed in specialized hospitals with experienced teams.Until we are able to prevent orthopedic problems of the knee in PWH will have to continue performing orthopedic procedures(arthrocentesis,RS,arthroscopic synovectomy,hamstring release,arthroscopic debridement,alignment osteotomy,and total knee arthroplasty).By using the aforementioned procedures,the quality of life of PWH will be improved. | E Carlos Rodriguez-Merchan Leonard A Valentino | 2016 | World Journal of Orthopedics2016，7，6： | 9 |
| 19 | Total knee arthroplasty for treatment of post-traumatic arthritis: Systematic review显示文摘AIM To review and report functional outcomes, complications,and survivorship associated with total knee arthroplasty(TKA) in the treatment of post-traumatic arthritis(PTA).METHODS We conducted a systematic review according to the PRISMA guidelines. We searched PubMed, Cochrane Library, and SCOPUS in December 2015 for Englishlanguage clinical research studies, both prospective and retrospective, examining the use of TKA for the treatment of PTA. All relevant articles were accessed in full. The manual search included references of retrieved articles.We extracted data on patients' demographics and clinical outcomes, including preoperative diagnosis and pre- and post-operative functional scores. We summarized the data and reported the results in tables and text.RESULTS Sixteen studies, four prospective and ten retrospective,examined patients who underwent TKA for PTA due to fractures of the proximal tibia, patella, and/or distal femur. Eleven studies utilized the Knee Society Scores criteria to assess functional outcomes. All studies utilizing these criteria reported an improvement in functional and knee scores of patients following TKA. Further, studies reported an increased range of motion(ROM) and reduction of pain following surgery. The most commonly reported complications with TKA included infection, stiffness, wound complications, intraoperative rupture of tendons, and osteolysis/polyethylene wear. The overwhelming majority of these complications occurred within the first two years following surgery. Six studies examined the survivorship of TKA with subsequent revision for any reason as an endpoint. Compared to patients with osteoarthritis, patients with PTA required more revisions, the majority for polyethylene wear.CONCLUSION Although associated with higher complication rates,TKA is an effective treatment for PTA, as it improves ROM, pain and functional outcomes. | Hesham Saleh Stephen Yu Jonathan Vigdorchik Ran Schwarzkopf | 2016 | World Journal of Orthopedics2016，7，9： | 9 |
| 20 | Common controversies in total knee replacement surgery: Current evidence显示文摘Total knee replacement(TKR) is a widely used operation that has radically improved the quality of life of millions of people during the last few decades. However, some technical details, concerning the surgical procedure and the rehabilitation following total knee arthroplasty, are still a matter of a strong debate. In this review of the literature, we have included the best evidence available of the last decade, in an effort to shed light on some of the most controversial subjects related to TKR surgery. Posterior-stabilized or cruciate-retaining prosthesis? To use a tourniquet during operation or not? Do patients need continuous passive motion for their post-surgery rehabilitation? To resurface patella or not? These are some of the most controversial topics that until now have been persistent dilemmas for the orthopedic surgeon. Results of this systematic review of the literature are highly controversial. These conflicting results are an indication that larger and more well conducted high quality trials are needed in order to gain more secure answers. At the same time, it is becoming apparent that a meticulous operative technique, respecting the soft tissue envelope and knowing the principles of alignment and soft tissue balancing, aresome of the parameters that might contribute more to achieving the optimal results for the patients. | Vasileios S Nikolaou Dimitrios Chytas George C Babis | 2014 | World Journal of Orthopedics2014，5，4： | 9 |
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