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A cross-sectional study on compliance with topical glaucoma medication and its associated socioeconomic burden for a Chinese population

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International Journal of Ophthalmology(English edition) 2017年第2期10卷 293-299页

作者： Man-Hin Lui Jason Chun Ho Lam Yi Lee Kwong Tak Siu wong Pak Long Cheung Sherri Shun Yan Lai Pak Lun Yuen Wai yiu Lam Ho Yan Chan yiu fai wong Jimmy Shiu Ming Lai Kendrick Co Shih Li Ka Shing Faculty of Medicine the University of Hong KongPokfulamHong KongChina Department of Ophthalmology Li Ka Shing Faculty of Medicinethe University of Hong KongPokfulamHongKongChina Department of Ophthalmology Queen Mary HospitalPokfulamHong KongChina

AIM： To estimate the overall drug compliance for local Chinese glaucoma patients on long-term topical ***： This was a retrospective cross-sectional ***-seven primary glaucoma patients from the subspecialty clinic of a publicly-funded tertiary care hospital in Hong Kong completed a questionnaire on compliance with topical glaucoma medication,attitude towards glaucoma and therapy and vision related quality of *** was defined as reporting missing more than or equal to 10% of the prescribed topical glaucoma medication during the 2wk immediately prior to the *** between noncompliance and demographics,attitude,disease and treatment status was *** was estimated with quality of life and direct medical cost involved with *** logistic regression on noncompliance was performed on selected ***： Compliance was calculated as 75%（95% CI： 64%-87%） among 57 subjects（mean age 69 y,female 51%）.No statistical significant relationship was established between noncompliance and any single factors or ***（P=0.048） and forgetfulness（P=0.064） were found to be marginally significant predictive factors on noncompliance in multivariable logistic *** might be related（P=0.130） to poorer self-rated vision-associated quality of *** societal cost of noncompliance was estimated to be over 2510 life-years and US$ 3.7 million ***： The compliance of Chinese glaucoma patients in Hong Kong is comparable to other parts in the world,and carries detrimental impacts on individual and societal *** and forgetfulness are two possible independent predictors for noncompliance.

关键词： glaucoma eye drop compliance quality of life

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Enantioselective iridium-catalyzed allylic substitution with a Reformatsky reagent: direct construction of β-stereogenic homoallylic esters

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Science China Chemistry 2024年第11期67卷 3791-3797页

作者： Debasis Pal Kirana D.Veeranna Yuk fai wong P.Andrew Evans Department of Chemistry Queen's University Xiangya School of Pharmaceutical Sciences Central South University

The Reformatsky reagent derived from ethyl bromoacetate circumvents the challenge associated with the direct regio-and enantioselective iridium-catalyzed allylic alkylation with an unstabilized aliphatic ester enolate. Notably, this work represents the first example of using a Reformatsky reagent in a metal-allyl reaction, which permits the direct construction of enantioenriched β-stereogenic homoallylic esters without preactivation of the pronucleophile or post-reaction modification of the product(e.g., thermal decarboxylation of a 1,3-dicarbonyl). Moreover, the process allows the coupling of a broad range of sterically and electronically diverse electrophiles bearing aryl, heteroaryl and alkenyl derivatives, including the significantly more challenging alkyl-substituted allylic carbonates. The versatility of the ester product is exemplified by a series of functional group manipulations and the development of a concise and efficient enantioselective total synthesis of the natural product,(+)-descurainolide A. Finally, mechanistic studies indicate that the zinc enolate behaves as a soft nucleophile that undergoes outer-sphere alkylation.

关键词： allylic substitution asymmetric catalysis mechanistic studies natural product synthesis Reformatsky reagent

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Performance in the Fundamentals of Laparoscopic Surgery: Does it reflect global rating scales in the Objective Structured Assessment of Technical Skills in porcine laparoscopic surgery?

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Asian Journal of Urology 2024年第3期11卷 443-449页

作者： Ho Yee Tiong Wei Zheng So Jeremy Yuen-Chun Teoh Shuji Isotani Gang Zhu Teng Aik Ong Eddie Shu-Yin Chan Peggy Sau-Kwan Chu Kittinut Kijvikai Ming Liu Bannakji Lojanapiwat Michael wong Anthony Chi-fai Ng Yong Loo Lin School of Medicine Department of SurgeryNational University of SingaporeSingapore S.H.Ho Urology Centre Department of SurgeryThe Chinese University of Hong KongHong KongChina Department of Urology Juntendo University Graduate School of MedicineTokyoJapan Department of Urology National University HospitalSingapore Department of Urology Beijing United Family HospitalBeijingChina Department of Surgery University of Malaya Specialist CentreKuala LumpurMalaysia Division of Urology Department of SurgeryTuen Mun HospitalHong Kong Department of Urology Ramathibodi HospitalMahidol UniversitySalayaThailand Department of Urology Beijing HospitalBeijingChina Department of Urology Chiangmai Ram HospitalChiang MaiThailand International Urology Fertility&Gynaecology CentreSingapore

Objective:To correlate the utility of the Fundamentals of Laparoscopic Surgery(FLS)manual skills program with the Objective Structured Assessment of Technical Skills(OSATS)global rating scale in evaluating operative ***:The Asian Urological Surgery Training and Educational Group(AUSTEG)Laparoscopic Upper Tract Surgery Course implemented and validated the FLS program for its usage in laparoscopic surgical ***’basic laparoscopic skills were assessed using three different training models(peg transfer,precision cutting,and intra-corporeal suturing).They also performed live porcine laparoscopic surgery at the same *** surgery skills were assessed by blinded faculty using the OSATS rating ***:From March 2016 to March 2019,a total of 81 certified urologists participated in the course,with a median of 5 years of post-residency *** differences in task time did not reach statistical significance,those with more surgical experience were visibly faster at completing the peg transfer and intra-corporeal suturing FLS ***,they took longer to complete the precision cutting task than participants with less *** OSATS scores correlated weakly with all three FLS tasks(peg transfer time:r=0.331,r^(2)=0.110;precision cutting time:r=0.240,r^(2)=0.058;suturing with intracorporeal knot time:r=0.451,r^(2)=0.203).Conclusion:FLS task parameters did not correlate strongly with OSATS globing rating scale *** FLS task models demonstrated strong validity,it is important to assimilate the inconsistencies when benchmarking technical proficiency against real-life operative competence,as evaluated by FLS and OSATS,respectively.

关键词： TheFundamentalsof Laparoscopic Surgery The Objective Structured Assessment of Technical Skills Laparoscopic training Surgical education Surgical training Urological laparoscopic surgery

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Effectiveness of post-COVID-19 primary care attendance in improving survival in very old patients with multimorbidity:a territory-wide target trial emulation

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Family Medicine and Community Health 2024年第3期12卷 25-35页

作者： Cuiling Wei Vincent Ka Chun Yan Camille Maringe Wenxin Tian Rachel Yui Ki Chu Wenlong Liu Boyan Liu Yuqi Hu Lingyue Zhou Celine Sze Ling Chui Xue Li Eric Yuk fai Wan Ching Lung Cheung Esther Wai Yin Chan William Chi Wai wong Ian Chi Kei wong Francisco Tsz Tsun Lai Centre for Safe Medication Practice and Research Department of Pharmacology and PharmacyLi Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong Department of Health Services Research and Policy Faculty of Public Health and PolicyLondon School of Hygiene and Tropical MedicineLondonUK School of Nursing Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong School of Public Health Li Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong Laboratory of Data Discovery for Health(D24H) Hong KongHong Kong Advanced Data Analytics for Medical Science(ADAMS)Limited Hong KongHong Kong Department of Medicine School of Clinical MedicineLi Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong Department of Family Medicine and Primary Care School of Clinical MedicineLi Ka Shing Faculty of MedicineThe University of Hong KongHong KongHong Kong Department of Pharmacy The University of Hong Kong-Shenzhen HospitalShenzhenPeople's Republic of China Aston Pharmacy School Aston UniversityBirminghamUK School of Pharmacy Macao University of Science and TechnologyTaipaMacao

Objectives Older individuals with multimorbidity are at an elevated risk of infection and complications from *** of post-COVID-19 interventions or care models in reducing subsequent adverse outcomes in these individuals have rarely been *** study aims to examine the effectiveness of attending general outpatient within 30 days after discharge from COVID-19 on 1-year survival among older adults aged 85 years or above with *** Retrospective cohort study emulating a randomised target trial using electronic health *** We used data from the Hospital Authority and the Department of Health in Hong Kong,which provided comprehensive electronic health records,COVID-19 confirmed case data,population-based vaccination records and other individual characteristics for the *** Adults aged 85 years or above with multimorbidity who were discharged after hospitalisation for COVID-19 between January 2020 and August *** Attending a general outpatient within 30 days of last COVID-19 discharge defined the exposure,compared to no outpatient *** outcome measures Primary outcome was all-cause mortality within one *** outcomes included mortality from respiratory,cardiovascular and cancer *** A total of 6183 eligible COVID-19 survivors were included in the *** all-cause mortality rate following COVID-19 hospitalisation was lower in the general outpatient visit group(17.1 deaths per 100 person-year)compared with non-visit group(42.8 deaths per 100 person-year).After adjustment,primary care consultations within 30 days after discharge were associated with a significantly greater 1-year survival(difference in 1-year survival:11.2%,95%CI 8.1%to 14.4%).We also observed significantly better survival from respiratory diseases in the general outpatient visit group(difference in 1-year survival:6.3%,95%CI 3.5%to 8.9%).In a sensitivity analysis for different grace period lengths

关键词： morbidity visit records

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Effects of SARS-CoV-2 infection on incidence and treatment strategies of hepatocellular carcinoma in people with chronic liver disease

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World Journal of Hepatology 2024年第2期16卷 211-228页

作者： Lung-Yi Mak Matthew Shing Hin Chung Xue Li Francisco Tsz Tsun Lai Eric Yuk fai Wan Celine Sze Ling Chui Franco Wing Tak Cheng Esther Wai Yin Chan Ching Lung Cheung Ivan Chi Ho Au Xi Xiong Wai-Kay Seto Man-Fung Yuen Carlos King Ho wong Ian Chi Kei wong Department of Medicine The University of Hong KongHong KongChina State Key Laboratory of Liver Research The University of Hong KongHong KongChina Department of Pharmacology and Pharmacy The University of Hong KongHong KongChina Laboratory of Data Discovery for Health(D24H) Hong Kong Science and Technology ParkHong KongChina Department of Family Medicine and Primary Care The University of Hong KongHong KongChina School of Nursing The University of Hong KongHong KongChina School of Public Health The University of Hong KongHong KongChina Research Department of Practice and Policy University College LondonLondon WC1E 6BTUnited Kingdom Aston School of Pharmacy Aston UniversityBirmingham B47ETUnited Kingdom

BACKGROUND Chronic liver disease(CLD)was associated with adverse clinical outcomes among people with severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)*** To determine the effects of SARS-CoV-2 infection on the incidence and treatment strategy of hepatocellular carcinoma(HCC)among patients with *** A retrospective,territory-wide cohort of CLD patients was identified from an electronic health database in Hong *** with confirmed SARS-CoV-2 infection[coronavirus disease 2019(COVID-19)+CLD]between January 1,2020 and October 25,2022 were identified and matched 1:1 by propensity-score with those without(COVID-19-CLD).Each patient was followed up until death,outcome event,or November 15,*** outcome was incidence of *** outcomes included all-cause mortality,adverse hepatic outcomes,and different treatment strategies to HCC(curative,non-curative treatment,and palliative care).Analyses were further stratified by acute(within 20 d)and post-acute(21 d or beyond)phases of SARS-CoV-2 *** rate ratios(IRRs)were estimated by Poisson regression *** Of 193589 CLD patients(>95%non-cirrhotic)in the cohort,55163 patients with COVID-19+CLD and 55163 patients with COVID-19-CLD were included after 1:1 propensity-score *** 249-d median follow-up,COVID-19+CLD was not associated with increased risk of incident HCC(IRR:1.19,95%CI:0.99-1.42,P=0.06),but higher risks of receiving palliative care for HCC(IRR:1.60,95%CI:1.46-1.75,P<0.001),compared to *** both acute and post-acute phases of infection,COVID-19+CLD were associated with increased risks of allcause mortality(acute:IRR:7.06,95%CI:5.78-8.63,P<0.001;post-acute:IRR:1.24,95%CI:1.14-1.36,P<0.001)and adverse hepatic outcomes(acute:IRR:1.98,95%CI:1.79-2.18,P<0.001;post-acute:IRR:1.24,95%CI:1.13-1.35,P<0.001),compared to *** Although CLD patients with SARS-CoV-2 infection were not associated with increased risk of HCC,they

关键词： SARS-CoV-2 infection Chronic liver disease Long COVID Post-COVID-19 syndrome Cirrhosis Hepatocellular carcinoma

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Review of Feynman’s Path Integral in Quantum Statistics:from the Molecular Schrödinger Equation to Kleinert’s Variational Perturbation Theory

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Communications in Computational Physics 2014年第4期15卷 853-894页

作者： Kin-yiu wong Department of Physics High Performance Cluster Computing CentreInstitute of Computational and Theoretical StudiesHong Kong Baptist University224 Waterloo RoadKowloon TongHong Kong Institute of Research and Continuing Education Hong Kong Baptist University(Shenzhen)

Feynman’s path integral reformulates the quantum Schrödinger differential equation to be an integral *** has been being widely used to compute internuclear quantum-statistical effects on many-body molecular *** this Review,the molecular Schrödinger equation will first be introduced,together with the BornOppenheimer approximation that decouples electronic and internuclear *** effective semiclassical potentials,e.g.,centroid potential,which are all formulated in terms of Feynman’s path integral,will be discussed and *** semiclassical potentials can be used to directly calculate the quantum canonical partition function without individual Schrödinger’s energy *** a result,path integrations are conventionally performed with Monte Carlo and molecular dynamics sampling *** complement these techniques,we will examine how Kleinert’s variational perturbation(KP)theory can provide a complete theoretical foundation for developing non-sampling/non-stochastic methods to systematically calculate centroid *** enable the powerful KP theory to be practical for many-body molecular systems,we have proposed a new path-integral method:automated integrationfree path-integral(AIF-PI)*** to the integration-free and computationally inexpensive characteristics of our AIF-PI method,we have used it to perform ab initio path-integral calculations of kinetic isotope effects on proton-transfer and RNA-related phosphoryl-transfer chemical *** computational procedure of using our AIF-PI method,along with the features of our new centroid path-integral theory at the minimum of the absolute-zero energy(AMAZE),are also highlighted in this review.

关键词： Feynman’s path integral Kleinert’s variational perturbation theory Schrödinger’s equation quantum statistics centroid potential energy quantum tunneling zero-point energy isotope effects

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Visual inference of flow flux via free surface PDE model and image sequence assimilation

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IET Cyber-Systems and Robotics 2019年第1期1卷 20-27页

作者： Shan Guo Chao Xu Ka fai Cedric yiu School of Mathematical Sciences Zhejiang UniversityHangzhouPeople's Republic of China Department of Applied Mathematics Hong Kong Polytechnic UniversityHong KongPeople's Republic of China Institute of Cyber-Systems and Control Zhejiang UniversityHangzhouPeople's Republic of China

The free-surface flows,such as flows in rivers,lakes,and tides,play an important role in hydraulic engineering and environmental ***,due to their complex and changeable characters,the precise evolution procedure is quite difficult to *** this study,the authors propose a novel framework to reconstruct the free-surface flow modelled by the shallow water equations by assimilating the images *** particular,the ensemble Kalman filter framework is employed to implement the assimilation *** efficiency of the proposed strategy has been verified through numerical simulations in which the accurate flow field in different situations could be obtained within limited assimilation steps.

关键词： process. flow steps

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Arsenic Accumulation in Rice:Sources,Human Health Impact and Probable Mitigation Approaches

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Rice science 2022年第4期29卷 309-327页

作者： Md ROKONUZZAMAN LI Wai Chin MAN Yu Bon TSANG yiu fai YE Zhihong Department of Science and Environmental Studies the Education University of Hong KongHong Kong 999077China School of Life Sciences Sun Yat-Sen UniversityGuangzhou 510006China

The human body loading with arsenic(As)through rice consumption is a global health *** is a crucial need to limit As build-up in rice,either by remediating As accumulation in soils or reducing As levels in irrigation *** conventional approaches have been utilized to alleviate the As accumulation in ***,except for some irrigation practices,those approaches success and the adoption rate are not *** review presents human health risks posed due to consumption of As contaminated rice,evaluates different biomarkers for tracing As loading in the human body,and discusses the latest advancement in As reducing technologies emphasizing the application of seed priming,nanotechnology,and biochar application for limiting As loading in rice *** also evaluate different irrigation techniques to reduce As accumulation in *** water management regimes significantly reduces grain As ***-and nano-priming of rice seeds improve germination and minimize As translocation in rice tissues by protecting cell membrane,building pool around seed coat,methylation and volatilization,or quenching harmful effects of reactive oxygen *** application in the form of nano-adsorbents or nano-fertilizers facilitates nano-remediation of As through the formation of Fe plaque or sorption or oxidation *** biochar in the rice fields significantly reduces As through immobilization,physical adsorption,or surface *** conclusion,As content in cooked rice depends on irrigation source and raw rice As level.

关键词： arsenic rice scalp hair irrigation management seed priming nanotechnology biochar human health

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Responses of Soil Microbial Community Structure and Activity to Incorporation of Straws and Straw Biochars and Their Effects on Soil Respiration and Soil Organic Carbon Turnover

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Pedosphere 2019年第4期29卷 492-503页

作者： TIAN Xiaoping WANG Lei HOU Yahong WANG Han TSANG yiu fai WU Jihua Key Laboratory of Yangtze River Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Shanghai 200092 (China) Research Institution for Shanghai Pollution Control and Ecological Security Shanghai 200092 (China) Department of Science and Environmental Studies The Education University of Hong Kong Hong Kong 999077 (China) Ministry of Education Key Laboratory for Biodiverstiy Science and Ecological Engineering School of Life Sciences Fudan University Shanghai 200433 (China)

Like straw, biochar incorporation can influence soil microorganisms and enzyme activities and soil carbon(C) responses;however,few studies have compared the various effects of straw and biochar and the underlying mechanisms. An experiment was performed to study the changes in soil respiration(SR) and soil organic C(SOC) fluxes in response to the incorporation of three kinds of straw(reed, smooth cordgrass, and rice) and their pyrolyzed products(biochars) at Chongming Island, China. In addition, the microbial activity and community structure of some amended soils were also analyzed to clarify the mechanisms of these responses. The results showed that all biochar incorporation(BC) induced lower SR than the corresponding unpyrolyzed straw incorporation(ST), and the average SR in the soils following BC and ST during the experimental periods was 21.69 and 65.32 μmol CO2 m^-2s^-1, ***, the average SOC content was 16.97 g kg-1 following BC, which was higher than that(13.71 g kg-1) following ST,indicating that compared to ST, BC was a low-C strategy, even after accounting for the C loss during biochar production. Among the BC treatments, reed-BC induced the lowest SR(17.04 μmol CO2 m^-2s^-1), whereas smooth cordgrass-BC induced the highest SR(27.02 μmol CO2 m^-2s^-1). Furthermore, in contrast with ST, BC significantly increased the abundance of some bacteria with poorer mineralization or better humification ability, which led to lower SR. The lower easily oxidizable C(EOC) and higher total C contents of biochars induced lower SR and higher SOC in the soil following BC compared to that following ST. Among the BC treatments,the higher total nitrogen content of rice biochar led to significantly higher soil microbial biomass, and the lower EOC content of reed biochar led to lower soil microbial activity and SR.

关键词： easily oxidizable carbon soil fertility soil microbial abundance soil microbial biomass soil microbial diversity soil organic carbon decomposition

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Echocardiographic evaluation of right ventricular function in congenital heart disease

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Chinese Medical Journal 2014年第21期127卷 3789-3797页

作者： yiu-fai Cheung Division of Paediatric Cardiology Department of Paediatrics and Adolescent Medicine Queen Mary Hospital The University of Hong Kong Hong Kong China

Objective This review aims to provide an overview of conventional and novel indices used in clinical and research arenas for evaluation of right ventricular （RV） function in congenital heart diseases with a dual-chambered *** sources Articles cited in this review were selected using PubMed search of publications in English with no date *** search terms included ＂echocardiography＂,＂right ventricle＂,＂RV function＂,＂cardiac function＂,and ＂congenital heart disease＂.Key references were also searched for additional *** selection Articles related to description of echocardiographic techniques in the evaluation of subpulmonary or systemic RV function and their applications in congenital cardiac malformations were retrieved and *** Three approaches have been used to evaluate subpulmonary and systemic RV function：（1） assessment of changes in RV size in the cardiac cycle,（2） determination of Doppler-derived velocities and systolic and diastolic time intervals,and （3） quantification of myocardial velocities and *** Conventional and novel echocardiographic techniques enable the evaluation of subpulmonary and systemic RV *** echocardiographic techniques have further allowed quantification of RV volumes and direct interrogation of myocardial *** new techniques show promise in a more comprehensive evaluation beyond ＂eye-bailing＂ of RV function in the growing population of adolescent and adult congenital heart patients.

关键词： ventricular function congenital heart defects echocardiography

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