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Total hip arthroplasty in patients with Paget's disease of bone: A systematic review

World Journal of Orthopedics 2017年第4期8卷 357-363页

作者： Sammy A Hanna Sebastian Dawson-Bowling Steven Millington Rej Bhumbra pramod achan Department of Trauma and Orthopaedic Surgery Royal London HospitalBarts Health NHS Trust

AIM To investigate the clinical and functional outcomes following total hip arthroplasty(THA) in patients with Paget's disease.METHODS We carried out a systematic review of the literature to determine the functional outcome, complications and revision rates of THA in patients with Paget's disease. Eight studies involving 358 hips were reviewed. The mean age was 70.4 years and follow-up was 8.3 years. There were 247 cemented THAs(69%), 105 uncemented THAs(29%) and 6 hybrid THAs(2%). RESULTS All studies reported significant improvement in hip function following THA. There were 19 cases of aseptic loosening(5%) at a mean of 8.6 years. Three cases occurred in the uncemented cohort(3%) at a mean of 15.3 years and 16 cases developed in the cemented group(6%) at a mean of 7.5 years(P = 0.2052). There were 27 revisions in the 358 cases(8%) occurring at a mean of 7 years. Six revisions occurred in the uncemented cohort(6%) at a mean of 8.6 years and 21 in the cemented cohort(9%) at a mean of 6.5 years(P = 0.5117). CONCLUSION The findings support the use of THA in patients with Paget's disease hip arthropathy. The post-operative functional outcome is largely similar to other patients; however, the revision rate is higher with aseptic loosening being the most common reason for revision. Uncemented implants appear to be associated with a lower failure rate, however, there were no modern stem designs fixed using current generation cementing techniques used in the reported studies, and as such, caution is advised when drawing any conclusions.

关键词： Total hip arthroplasty Paget’s disease Revision Loosening Heterotopic ossification

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The Discovery of a Green Wood Beetle Diastocera trifasciata(Coleoptera:Lamiinae)on Mango Tree in South Sudan

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Journal of Agricultural Science and Technology(A) 2020年第4期10卷 191-199页

作者： Sampson A-Koi Binyason Simon Demaya Baka Philip Wani Marchelo Jebedayo Simon Duku Betty achan Ogwaro Department of Crop Protection College of AgricultureDr.John Garang Memorial University of Science and TechnologyRepublic of South Sudan Department of Agricultural Science College of Natural Resources and Environmental StudiesUniversity of JubaRepublic of South Sudan Faculty of Science and Technology University of WolverhamptonWest MidlandsUK

The green wood insect beetle which was later identified as Diastocera trifasciata((Fabricius)-tribus Ceropplesini,Coleoptera:Lamiinae)was found on September 18,2015,girdling a mango twig at Dr.John Garang Memorial University of Science and Technology(Dr.JG-MUST)campus,Bor county,Jonglei state,Republic of South Sudan.The beetle D.trifasciata attacks young vigorous growing mango branches of more than 20-35 mm circumferences.Severely cut branches dried up and broken away especially when there was a strong blowing wind or just remained dry,hung on the tree.Although this incidence may seem not to pose a significant economic threat at the moment,the authors keenly advocate for proactive pest surveillances,monitoring and evaluating its spread,impact damage level caused on mango plants in most areas of high mango productivity and developing control strategy that will prevent further devastations of mango trees,guarantee high fruit yields and ensure food security in South Sudan.

关键词： Analeptes trifasciata beetle Diastocera trifasciata mango South Sudan.

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采用预测技术,使用动态电压恢复器减轻电压下跌

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供用电 2002年第1期19卷 48-52页

作者： C.P.Fitzer Y.S.Lim C.Zhan V.K.Ram achan daramurthy A.Arulampalam M.Barnes G.Strbac N.Jenkins 陈警众

本文提出了用于确定串联补偿装置的有功功率要求的电压下跌预测技术 ,还提出了带有功储能设备的串联补偿装置所需的控制原理。

关键词：动态电压恢复器电压下跌预测技术电压测量

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