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Transurethral resection of prostate for acute urinary retention is linked to shorter survival in younger men

Asian Journal of Andrology 2019年第5期21卷 468-472页

作者： Jeremy Yuen-Chun Teoh chi-kwok chan Maggie Haitian Wang chi-Ho Leung Eddie Shu-Yin chan Peter Ka-Fung chiu chi-Hang Yee Hon-Ming Wong Simon See-Ming Hou chi-Fai Ng S.H.Ho Urology Centre Department of SurgeryPrince of Wales HospitalThe Chinese University of Hong KongHong KongChina Division of Biostatistics JC School of Public Health and Primary CareThe Chinese University of Hong KongHong KongChina Division of Urology Department of SurgeryNorth District HospitalHong KongChina Division of Urology Department of SurgeryAlice Ho Miu Ling Nethersole HospitalHong KongChina

It is largely unknown whether lower urinary tract symptoms(LUTS)or acute retention of urine(AROU)is linked to shorter life expectancy in *** conducted a multicenter,retrospective database analysis of patients undergoing transurethral resection of prostate(TURP)to study their *** Cox regression analysis and Kaplan-Meier analysis with stratification to age and indication of TURP were *** further performed an age-and sex-matched survival analysis with the general population using data from the Census and Statistics Department of the Hong Kong Special Administrative Region(Hong Kong,china).From January 2002 to December 2012,3496 patients undergoing TURP were included in our study,with 1764 patients in the LUTS group and 1732 patients in the AROU *** age,ischemic heart disease,cerebrovascular accident,and AROU were risk factors of *** aged80 *** to the general population,younger patients in the LUTS group appeared to have better survival(80 years,survival was similar with the general population in both the LUTS and AROU *** conclusion,AROU at young age was associated with mortality,while early detection and management of LUTS may improve survival.

关键词： acute retention of urine lower urinary tract symptoms mortality transurethral resection of prostate

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A prospective cohort of men with localized prostate cancer on active surveillance protocol in Hong Kong,china:what did we learn?

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Asian Journal of Andrology 2024年第3期26卷 245-249页

作者： Xiaobo Wu Ivan ching-Ho Ko Cindy Yeuk-Lam Hong Samuel chi-Hang Yee Jeremy Yuen-Chun Teoh Samson Yun-Sang chan Ho-Man Tam chi-kwok chan chi-Fai Ng Peter Ka-Fung chiu SH Ho Urology Centre Department of SurgeryFaculty of MedicineThe Chinese University of Hong KongHong KongChina

This study aimed to report the outcomes of active surveillance(AS)in the management of low-risk prostate cancer(PCa).It recruited87 men who were prospectively followed up according to the Prostate Cancer Research International Active Surveillance(PRIAS)protocol with local adaptation at SH Ho Urology Centre,Prince of Wales Hospital,Hong Kong,*** investigated the predictorsof disease progression and found that baseline prostate-specific antigen density(PSAD)and the presence of the highest ProstateImaging-Reporting and Data System(PI-RADS)score 5 lesion on magnetic resonance imaging(MRI)are significantly correlatedwith disease ***,men with PSAD>0.2 ng ml^(−2)or PI-RADS 4 or 5 lesions had significantly worse upgradingfree survival compared to those with PSAD≤0.2 ng ml−2 and PI-RADS 2 or 3 *** study concludes that AS is a safe andeffective management strategy for selected patients to defer radical treatment and that most disease progression can be detectedafter the first repeated *** combination of PSAD>0.2 ng ml^(−2)and PI-RADS 4 or 5 lesions may serve as a useful predictorof early disease progression and provide a guide to optimize follow-up protocols for men in different risk groups.

关键词： active surveillance cohort localized prostate cancer

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Emerging roles of the neural adaptor FE65 in neurite outgrowth

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Neural Regeneration Research 2018年第12期13卷 2085-2086页

作者： Wen Li Wai Wa Ray chan Jacky chi Ki Ngo kwok-Fai Lau Shenzhen Institute of Advanced Technology Chinese Academy of Sciences School of Life Sciences Chinese University of Hong Kong

The brain is the third largest organ in the human body and consists of over80 billion neurons（Herculano-Houzel,2009）.Neurons are interconnected by neurite to form a complex neural network that allows the communicati... 详细信息

关键词： FE Emerging roles of the neural adaptor FE65 in neurite outgrowth GEF

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Building an e-Portfolio with a learning plan centric approach

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Journal of Zhejiang University-Science C(Computers and Electronics) 2012年第1期13卷 37-47页

作者： Lam-for kwok Ka-shing chan Department of Computer Science City University of Hong Kong

A portfolio records achievements in the personal growth process. A personal development e-Portfolio assists an individual in planning his/her development path and reflecting upon his/her own learning. In this article, we propose an approach to constructing a personal development portfolio. An abstract information model is presented to support such a portfolio. The information model is proposed based upon and according to IMS standards. The use of this approach is illustrated by way of a prototype e-Portfolio system. The usage scenario and limitations of such a portfolio are also discussed.

关键词： E-Portfolio Educational technology system Lifelong learning

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Human endogenous retrovirus type-W and multiple sclerosis–related smoldering neuroinflammation

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Neural Regeneration Research 2025年第3期20卷 813-814页

作者： Joel Gruchot Laura Reiche Andrew chan Robert Hoepner Patrick Küry Department of Neurology Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany Department of Neurology InselspitalBern University Hospital and University of BernBernSwitzerland

Introduction to human endogenous retrovirus type-W(HERV-W): Genomic inheritance from the past includes retroviral sequences that have been stably incorporated into our genomes and account for up to 8% of human DNA.

关键词： endogenous inflammation Human

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Improved world-based language model

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Journal of Harbin Institute of Technology(New Series) 2004年第1期11卷 114-120页

作者：陈勇 chan kwok-ping Dept. of Computer Science and Information Systems University of Hong Kong Hong KongChina

In order to construct a good language model used in the postprocessing phase of a recognition system. A smoothing technique must be used to solve the data sparseness problem. In the past, many smoothing techniques have been proposed. Among them, Katz’s smoothing technique is well known. However, we found that a weakness with the Katz’s smoothing technique. We improved this approach by incorporating one kind of special chinese language information and chinese word class information into the language model. We tested the new smoothing technique with a chinese character recognition system. The experimental result showed that a better performance can be achieved.

关键词： language model computational language pattern recognition

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Distribution of a Certain Partition Function Modulo Powers of Primes

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Acta Mathematica Sinica,English Series 2011年第4期27卷 625-634页

作者： Hei-chi chan Department of Mathematical Sciences University of Illinois at Springfield Springfield IL 62703-5407 USA

In this paper, we study a certain partition function a（n） defined by ∑n≥0 a（n）qn ：= ∏n=1（1- qn）-1（1 -2n）-1. We prove that given a positive integer j 〉 1 and a prime m _〉 5, there are infinitely many congruences of the type a（An ＋ B） ≡ 0 （rood m3）. This work is inspired by Ono＇s ground breaking result in the study of the distribution of the partition function p（n）.

关键词： Distribution of partition function Ono's theorem Ramanujan's congruences

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Urocortin and cardiovascular protection

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Acta Pharmacologica Sinica 2004年第3期25卷 3-11页

作者： chi-wai LAU,Yau-chi chan,Suk-ying TSANG,Franky Leung chan The chinese University of Hong Kong Hong Kong china Department of Anatomy The chinese University of Hong Kong Hong Kong china Department of Anatomy The chinese University of Hong Kong Hong Kong china Department of Anatomy The chinese University of Hong Kong Hong Kong china Department of Anatomy

Urocortin and other hypothalamus corticotropin-releasing factor (CRF) polypeptides play biologically diverse roles in the stress, cardiovascular and inflammatory responses by acting on central and peripheral CRF receptors. Urocortin shows a significantly high sequence homology to CRF, and the concurrent expression of type-2 CRF (CRF2) receptors with urocortin in the heart suggests that urocortin may play a physiological role in the cardiac function. Urocortin is thought to be the endogenous agonist producing the cardiovascular actions previously attributed to CRF. This review highlights the current novel findings on the molecular and cellular mechanisms by which urocortin may exert its cardiovascular protective action.

关键词： urocortin corticotropin-releasing hormone vascular smooth muscle heart vasodilaion second messenger system protein kinases

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Global collaboration of eye research--personal experience

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International Journal of Ophthalmology(English edition) 2024年第6期17卷 985-990页

作者： chi-Chao chan Laboratory of Immunology National Eye InstituteNational Institutes of HealthBethesdaMD 20892-1858USA Zhongshan Ophthalmic Center Sun Yat-sen UniversityGuangzhou 5410060Guangdong ProvinceChina

On December 9,2023,I was privileged to be honored and participate in the *** Chao chan Symposium on Global Collaboration of Eye Research as the Global Eye Genetic Consortium(GEGC)session,which was held in the 16th Congress of the Asia-Pacific Vitreo-Retina Society(APVRS)in Hong *** with my talk on“Global collaboration of eye research:personal experience”,other prominent international speakers provided their own perspectives on opportunities for networking,collaboration,and exchange of ideas with global leaders and experts in ophthalmic practice,research,and education.

关键词： speakers collaboration Global

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Successful capture of red thrombus in acute inferior ST-elevation myocardial infarction

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Journal of Geriatric Cardiology 2018年第10期15卷 647-648页

作者： Wai-Kin chi chi-Yuen chan Division of Cardiology Department of Medicine and TherapeuticsPrince of Wales Hospitalthe Chinese University of Hong KongHong KongChina

A 50-year-old gentleman with past medical history of hypertension presented with acute inferior ST-segment elevation myocardial infarction (STEMI).He complained severe chest pain despite onset time was more than *** p... 详细信息

关键词： Embolic protection device Successful capture Thrombus

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