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4篇 您的检索式:作者名="Simon Choong"
    题名 作者 年代 出处 被引量
1Serum methylation levels of TAC1. SEPT9 and EYA4 as diagnostic markers for early colorectal cancers: a pilot study显示文摘Yanqun Liu Chee Kian Tham Simon Y. K. Ong Kok Sun Ho Jit Fong Lim Min Hoe Chew Che Kang Lim Yi Zhao Choong Leong Tang Kong Weng Eu 2013Biomarkers2013,,5:1
2A Logical Approach to Hepatocellular Carcinoma Presenting with Jaundice显示文摘Wan-yee Lau Ka-lau Leung Thomas W. T. Leung Choong T. Liew Michael S. Y. Chan Simon C. H. Yu Arthur K. C. Li 1997Annals of Surgery1997,,3:1
3Reliability of nephrolithometric nomograms in patients treated with minimally invasive percutaneous nephrolithotomy: A precision study显示文摘Objectives:The study aimed to evaluate quality of nephrolithometric nomograms to predict stone-free rates(SFRs)and complication rates(CRs)in case of minimally invasive percutaneous nephrolithotomy(PNL).In the last decade,nomograms have been introduced to estimate the SFRs and CRs of PNL.However,no data are available regarding their reliability in case of utilization of miniaturized devices.Herein we present a prospective multicentric study to evaluate reliability of Guy’s stone score(GSS),the stone size,tract length,obstruction,number of involved calyces,and essence of stone(S.T.O.N.E.)nephrolithometry score and Clinical Research Office of the Endourological Society(CROES)score in patients treated with minimally invasive PNL.Methods:We evaluated SFRs and CRs of 222 adult patients treated with miniaturized PNL.Patients were considered stone-free if no residual fragments of any size at post-operative unenhanced computed tomography scan.Patients demographics,SFRs,and CRs were reported and analyzed.Performances of nomograms were evaluated with the area under the curve(AUC).Results:We included 222 patients,the AUCs of GSS,CROES score,and S.T.O.N.E.nephrolithometry score were 0.69(95%confidence interval[CI]0.61-0.78),0.64(95%CI 0.56-0.73),and 0.62(95%CI 0.52-0.71),respectively.Regarding SFRs,at multivariate binomial logistic regression,only the GSS had significance with an odds ratio of 0.53(95%CI 0.31e0.95,p=0.04).We did not find significant correlation with complications,with only a trend for GSS.Conclusion:This is the first study evaluating nomograms in miniaturized PNL.They still show good reliability;however,our data showed lower performances compared to standard PNL.We emphasize the need of further studies to confirm this trend.A dedicated nomogram for minimally invasive PNL may be necessary.Giorgio Mazzon Francesco Claps Nicola Pavan Simon Choong Guohua Zeng Wenqi Wu Jiehui Zhong Maida Bada Marco Pirozzi Raffaele Vitale Antonio Celia 2023Asian Journal of Urology2023,10,1:1
4Stone-scoring systems for predicting complications in percutaneous nephrolithotomy:A systematic review of the literature显示文摘Objective:Percutaneous nephrolithotomy is a treatment of choice for larger stones of the upper urinary tract.Currently,several nephrolithometric nomograms for prediction of post-operative surgical outcomes have been proposed,although uncertainties still exist regarding their roles in the estimation of complications.Methods:We conducted a systematic review on PubMed and Web of Sciences databases including English studies with at least 100 cases and published between January 2010 and December 2021.We identified original articles evaluating correlations between the Guy’s stone score,the stone size(S),tract length(T),obstruction(O),number of involved calices(N),and essence or stone density(E)(S.T.O.N.E.),Clinical Research Office of the Endourological Society(CROES),and Seoul National University Renal Stone Complexity(S-ReSC)scores and post-operative complications in adult patients.We also included newly designed nomograms for prediction of specific complications.Results:After an initial search of 549 abstracts,we finally included a total of 18 papers.Of them,11 investigated traditional nephrolithometric nomograms,while seven newly designed nomograms were used to predict specific complications.Overall,7316 patients have been involved.In total,14 out of 18 papers are derived from retrospective single-center studies.Guy’s stone score obtained correlation with complications in five,S.T.O.N.E.nephrolithometry score in four,while CROES score and S-ReSC score in three and two,respectively.None of the studies investigated minimally invasive percutaneous nephrolithotomy(PCNL)and all cases have been conducted in prone position.Considering newly designed nomograms,none of them is currently externally validated;five of them predict post-operative infections;the remaining two have been designed for thromboembolic events and urinary leakage.Conclusion:This review presents all nomograms currently available in the PCNL field and highlights a certain number of concerns.Published data have appeared contradictory;more recent tools for prediction of post-operative complications are frequently based on small retrospective cohorts and lack external validations.Heterogeneity among studies has also been noticed.More rigorous validations are advisable in the future,involving larger prospective patients’series and with the comparison of different tools.Giorgio Mazzon Simon Choong Antonio Celia 2023Asian Journal of Urology2023,10,3:0
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