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1Multidisciplinary approach for post-liver transplant recurrence of hepatocellular carcinoma: A proposed management algorithm显示文摘A large number of liver transplants have been performed for hepatocellular carcinoma(HCC), and recurrence is increasingly encountered. The recurrence of HCC after liver transplantation is notoriously difficult to manage. We hereby propose multi-disciplinary management with a systematic approach. The patient is jointly managed by the transplant surgeon, physician, oncologist and radiologist. Immunosuppressants should be tapered to the lowest effective dose to protect against rejection. The combination of a mammalian target of rapamycin inhibitor with a reduced calcineurin inhibitor could be considered with close monitoring of graft function and toxicity. Comprehensive staging can be performed by dual-tracer positron emission tomography-computed tomography or the combination of contrast computed tomography and a bone scan. In patients with disseminated recurrence, sorafenib confers survival benefits but is associated with significant drug toxicity. Oligo-recurrence encompasses recurrent disease that is limited in number and location so that loco-regional treatments convey disease control and survival benefits. Intra-hepatic recurrence can be managed with graft resection, but significant operative morbidity is expected. Radiofrequency ablation and stereotactic body radiation therapy(SBRT) are effective alternative strategies. In patients with more advanced hepatic disease, regional treatment with trans-arterial chemoembolization or intra-arterial Yttrium-90 can be considered. For patients with extra-hepatic oligorecurrence, loco-regional treatment can be considered if practical. Patients with more than one site of recurrence are not always contraindicated for curative treatments. Surgical resection is effective for patients with pulmonary oligo-recurrence, but adequate lung function is a prerequisite. SBRT is a non-invasive and effective modality that conveys local control to pulmonary and skeletal oligo-recurrences.Kin Pan Au Kenneth Siu Ho Chok 2018World Journal of Gastroenterology2018,24,45:18
2Robotic surgery for rectal cancer: A systematic review of current practice显示文摘AIM: To give a comprehensive review of current litera-ture on robotic rectal cancer surgery.METHODS: A systematic review of current literature via PubMed and Embase search engines was per-formed to identify relevant articles from january 2007 to november 2013. The keywords used were: 'robotic surgery', 'surgical robotics', 'laparoscopic computer-assisted surgery', 'colectomy' and 'rectal resection'. RESULTS: After the initial screen of 380 articles, 20 pa-pers were selected for review. A total of 1062 patients(male 64.0%) with a mean age of 61.1 years and body mass index of 24.9 kg/m2 were included in the review.Out of 1062 robotic-assisted operations, 831(78.2%) anterior and low anterior resections, 132(12.4%) in-tersphincteric resection with coloanal anastomosis, 98(9.3%) abdominoperineal resections and 1(0.1%) Hart-mann's operation were included in the review. Robotic rectal surgery was associated with longer operative time but with comparable oncological results and anastomotic leak rate when compared with laparoscopic rectal surgery. CONCLUSION: Robotic colorectal surgery has con-tinued to evolve to its current state with promising re-sults; feasible surgical option with low conversion rate and comparable short-term oncological results. The challenges faced with robotic surgery are for more high quality studies to justify its cost.Tony Wing Chung Mak Janet Fung Yee Lee Kaori Futaba Sophie Sok Fei Hon Dennis Kwok Yu Ngo Simon Siu Man Ng 2014World Journal of Gastrointestinal Oncology2014,6,6:16
3Suppression of innate antiviral response by severe acute respiratory syndrome coronavirus M protein is mediated through the first transmembrane domain显示文摘Coronaviruses 开发了各种各样的措施躲避天生的免疫。我们以前证明了那严重急性呼吸症候群(SARS ) coronavirus M 蛋白质压制类型我由阻碍功能的包含 TRAF3 的形成的干扰素(IFN ) 生产复杂。在这研究,我们证明反对 IFN 活动对 SARS coronavirus M 蛋白质特定并且通过它在 N 终点定位的第一个 transmembrane 领域(TM1 ) 被调停。从人的 coronavirus HKU1 的 M 蛋白质不禁止 IFN 生产。而 SARS coronavirus M 蛋白质的连接 N 的 glycosylation 没在 IFN 对抗上有影响, TM1 为 IFN 生产的抑制是不可缺少的。TM1 目标 SARS coronavirus M 蛋白质和 heterologous 蛋白质到 Golgi 仪器,然而, Golgi 本地化被要求然而并非为 IFN 足够对抗。机械学地, TM1 能够有 RIG-I, TRAF3, TBK1 和 IKKε 的绑定;,并且与它的下游的受动器阻止 TRAF3 的相互作用。我们的工作定义为天生的抗病毒的反应的抑制要求的 SARS coronavirus M 蛋白质的分子的建筑学。Kam-Leung Siu Chi-Ping Chan Kin-Hang Kok Patrick Chiu-Yat Woo Dong-Yan Jin 2014Cellular & Molecular Immunology2014,11,2:13
4Schisandrin B decreases the sensitivity of mitochondria to calcium ioninduced permeability transition and protects against ischemia-reperfusion injury in rat hearts显示文摘瞄准:为了阐明,位于 cardioprotection 下面的分子的机制由 schisandrin 负担得起 B (Sch B ) ,到刺激 Ca2+ 的渗透转变(磅) 的线粒体的敏感上的 Sch B 处理的效果在正常和 ischemia-reperfusion (红外) 条件下面在老鼠心被调查。结果:心肌的红外损害在线粒体的敏感引起了增加到刺激 Ca2+ 的磅在试管内。到 mitochondrial 磅的提高的敏感与 mitochondrial Ca2+ 内容以及反应氧化剂的程度的增加被联系种类生产在试管内和细胞色素 c 版本在活体内。Sch B 预告的处理对 I-R-induced 损害负担得起的 cardioprotection 是由在到刺激 Ca2+ 的磅的心肌的线粒体的敏感的减少的 paralleled,特别地在红外条件下面。结论:结果建议 Sch B 治疗增加心肌的线粒体的抵抗到刺激 Ca2+ 的磅并且免于 I-R-induced 组织损害。Po-yee CHIU Hoi-yan LEUNG Ada HL SIU Michel KTPOON Kam-ming KO 2007Acta Pharmacologica Sinica2007,28,10:12
5Analysis of inborn errors of metabolism: disease spectrum for expanded newborn screening in Hong Kong显示文摘氨基酸,器官的酸和丰满的酸氧化的新陈代谢(IEM ) 的古典先天的错误的背景数据大部分正在缺乏香港,在集体基于 spectrometry 的扩展新生儿为 IEM 屏蔽没被开始的地方。瞄准在香港评估近似发生,光谱和古典 IEM 的另外的特征的当前的学习,将在开发为实验室血浆氨基酸记录的本地 area.Methods 屏蔽节目的一个扩展新生儿重要,血浆 acylcarnitines 和尿从年 2005~2009 的器官的酸分析在为 IEM 提供生物化学、基因的诊断服务的三个地区性的化学病理实验室包括回顾地 reviewed.Resu 在香港的古典 IEM 的发生粗略地被估计每 1000live 出生每 4122 生活出生,或 0.243 个盒子是至少 1 个盒子。这发生类似于全球报导的那些,包括中国的大陆。hyperphenylalaninemia 的估计的发生在 29 542 实时 births.Conclusions 是 1 我们的数据显示它为在香港的扩展新生的屏蔽节目的介绍是无可争辩的。因为香港是一个大城市的城市,一个全面扩展新生的屏蔽程序和工作分派系统应该是可得到的服务在区域出生的出生不满一月的婴儿。Han-Chih Hencher Lee Chloe Miu Mak Ching-Wan Lam Yuet-Ping Yuen, Angel On-Kei Chan Chi-Chung Shek Tak-Shing Siu Chi-Kong Lai Chor-Kwan Ching Wai-Kwan Siu Sammy Pak-Lam Chen Chun-Yiu Law Morris Hok-Leung Tai Sidney Tam Albert Yan-Wo Chan 2011Chinese Medical Journal2011,,7:12
6Ursolic acid: An overview on its cytotoxic activities against breast and colorectal cancer cells显示文摘Ursolic acid(UA) is a pentacyclic triterpene of the ursane type. As a common chemical constituent among species of the family Lamiaceae, UA possesses a broad spectrum of pharmacological properties. This overview focuses on the anticancer properties of UA against breast cancer(BC) and colorectal cancer(CRC)that are most common among women and men, respectively. In vitro studies have shown that UA inhibited the growth of BC and CRC cell lines through various molecular targets and signaling pathways.There are several in vivo studies on the cytotoxic activity of UA against BC and CRC. UA also inhibits the growth of other types of cancer. Studies on structural modifications of UA have shown that the –OH groups at C3 and at C28 are critical factors influencing the cytotoxic activity of UA and its derivatives.Some needs for future research are suggested. Sources of information were from ScienceDirect, Google Scholar and PubMed.Eric Wei Chiang Chan Chu Yong Soon Joash Ban Lee Tan Siu Kuin Wong Yew Woh Hui 2019Journal of Integrative Medicine2019,17,3:11
7Application of fiber Bragg grating based strain sensor in pipeline vortex-induced vibration measurement显示文摘The vortex-induced vibrations(VIV)is an important topic of study in many different scientific and engineering fields.While VIV can be of benefit in some cases,oftentimes,it is an undesirable phenomenon that can be quite dangerous.In particular for offshore pipelines,VIV can lead to fatiguing of the pipe structure and can cause disastrous consequences if left unchecked.A number of different methods have been applied to the measurement of VIV,especially for the elongated,thin cylindrical structures.The use of fiber optic fiber Bragg gratings(FBGs)in particular has gained popularity over the recent years due to their distinct properties.However,FBGs are also very fragile and are susceptible to failure when placed in harsh environments without protection.In this paper,56 FBGs encapsulated in stainless steel tubes were applied to the measurement of VIV in a28-m model pipeline under controlled and uncontrolled conditions.Tests show that the encapsulated sensors possessed good sensitivity as well as fatigue life(>80000 cycles).The measurements from FBGs were also high enough to allow frequency domain analysis of the pipeline VIV under the two conditions.The authors conclude that the encapsulated FBGs are a viable tool for the study of VIV in pipeline structures.REN Liang JIA ZiGuang HO Michael Siu Chun YI TingHua LI HongNan 2014Science China(Technological Sciences)2014,57,9:9
8基于启发式搜索分离向量的凸多面体碰撞检测(英文)显示文摘碰撞检测是计算机模拟物理过程的基础 ,在计算机图形学、CAD/CAM、虚拟现实和机器人等领域有着广泛的应用 .该文给出了一个新的用于凸多面体碰撞检测的算法———HP jump .HP jump建立了一个有效的碰撞检测模型用于报告物体的碰撞 ,同时提供了一个快速的启发式的策略用于搜索两个凸多面体的分离向量 .该算法是利用凸多面体的层次表示来搜索支撑顶点对 ,用平衡二叉树来记录球面凸多边形的顶点 ,同时还利用了时间、空间相关性 ,这些都加速了算法的执行 .该文的最后给出了HP jump与GJK 。李学庆 孟祥旭 汪嘉业 王文平 CHUNG Kelvin YIU Siu Ming 2003计算机学报2003,26,7:8
9On Optimal Proportional Reinsurance and Investment in a Markovian Regime-Switching Economy显示文摘In this paper,the surplus of an insurance company is modeled by a Markovian regimeswitching diffusion process.The insurer decides the proportional reinsurance and investment so as to increase revenue.The regime-switching economy consists of a fixed interest security and several risky shares.The optimal proportional reinsurance and investment strategies with no short-selling constraints for maximizing an exponential utility on terminal wealth are obtained.Xin ZHANG Tak Kuen SIU 2012Acta Mathematica Sinica,English Series2012,28,1:7
10Multiplier ideal sheaves in complex and algebraic geometry显示文摘The application of the method of multiplier ideal sheaves to effective problems in algebraic geometry is briefly discussed. Then its application to the deformational invariance of plurigenera for general compact algebraic manifolds is presented and discussed.Finally its application to the conjecture of the finite generation of the canonical ring is explored, and the use of complex algebraic geometry in complex Neumann estimates is discussed.Yum-Tong Siu 2005Science China Mathematics2005,48,z1:7
11Survival outcomes of liver transplantation for hepatocellular carcinoma in patients with normal, high and very high preoperative alpha-fetoprotein levels显示文摘AIM To investigate the impact of alpha-fetoprotein(AFP) on long-term recurrence rate and overall survival and we also aimed to define the level of AFP leading to a higher risk of disease recurrence and affecting patient survival.METHODS Data of adult patients who received liver transplant(LT) for hepatocellular carcinoma(HCC) at our hospital from January 2000 to December 2013 were reviewed. Reviewed data included demographic characteristics, preoperative AFP level, operative details, follow-up details, and survival outcomes. Patients were mostly listed for LT based on Milan or UCSF criteria. For the purpose of this study, normal AFP level was defined as AFP value < 10 ng/m L, high AFP level was defined as AFP value ≥ 10 to < 400 ng/m L, and very highAFP level was defined as AFP ≥ 400 ng/m L. The patients were divided into these 3 groups accordingly. Survival rates were plotted as Kaplan-Meier curves and compared by log-rank analysis. Continuous variables were expressed as median(interquartile range). Categorical variables were compared by Spearman's test. Discriminative analysis was used to define the lowest value of AFP that could affect the overall survival in study population. Statistical significance was defined by a P value of < 0.05.RESULTS Totally 250 adult patients underwent LT for HCC in the study period. Eight-four of them received deceaseddonor LT and 166 had living-donor LT. The patients were divided into 3 groups: Group A, AFP < 10 ng/m L(n = 83); Group B, AFP ≥ 10 to < 400 ng/m L(n = 131); Group C, AFP ≥ 400 ng/m L(n = 36). The commonest etiology was hepatitis-B-related cirrhosis. The Model for End-stage Liver Disease scores in these groups were similar(median, 13 vs 13 vs 12; P = 0.745). The time to operation in Group A was longer(median, 94 vs 31 vs 35 d; P = 0.001). The groups were similar in hospital mortality(P = 0.626) and postoperative complication(P = 0.702). Pathology of explants showed that the 3 groups had similar numbers of tumor nodules, but the tumors in Group C were larger(A: 2.5 cm, B: 3.0 cm, C: 4.0 cm; P = 0.003). Group C had a bigger proportion of patients who were beyond Milan criteria(P = 0.010). Poor differentiation and vascular permeation were also more common in this group(P = 0.017 and P = 0.003 respectively). It also had poorer 5-year survival(A: 85.5%, B: 82.4%, C: 66%; P = 0.029). The 5-year disease-free survival was 84.3% in Group A, 80.1% in Group B, and 61.1% in Group C. Receiver operating characteristic area under the curve for AFP in predicting tumor recurrence was 0.685. The selected cut-off value was 54 ng/m L for AFP(C-index 0.685; 95%CI: 0.592-0.779; sensitivity 0.595; specificity 0.687). On discriminative analysis, AFP value of 105 ng/m L was shown to affect the overall survival of the patients.CONCLUSION HCC patients with a high preoperative AFP level had inferior survival after LT. AFP level of 54 ng/m L was associated with disease recurrence, and AFP level of 105 ng/m L was found to be the cut-off value for overall survival difference.Wong Hoi She Albert Chi Yan Chan Tan To Cheung Chung Mau Lo Kenneth Siu Ho Chok 2018World Journal of Hepatology2018,10,2:7
12让肾脏健康人人可享,处处可及——从预防到诊治显示文摘Around 850 million people currently are affected by different types of kidney disorders.Up to 1 in 10 adults worldwide has chronic kidney disease(CKD),which is invariably irreversible and mostly progressive.The global burden of CKD is increasing,and CKD is projected to become the fifth most common cause of years of life lost globally by 2040.If CKD remains uncontrolled and if the affected person survives the ravages of cardiovascular and other complications of the disease,CKD progresses to endstage kidney disease,where life cannot be sustained without dialysis therapy or kidney transplantation.Hence,CKD is a major cause of catastrophic health expenditure.Philip Kam Tao Guillermo Garcia Garcia Siu Fai Lui Sharon Andreoli Winston Wing Shing Fung Anne Hradsky Latha Kumaraswami Vassilios Liakopoulos Ziyoda Rakhimova Gamal Saadi Luisa Strani Ifeoma Ulasi Kamyar Kalantar Zadeh 2020肾脏病与透析肾移植杂志2020,29,1:6
13Casticin from Vitex species: a short review on its anticancer and anti-inflammatory properties显示文摘This short review provides an update of the anticancer and anti-inflammatory properties of casticin from Vitex species. Casticin is a polymethylflavone with three rings, an orthocatechol moiety, a double bond,two hydroxyl groups and four methoxyl groups. Casticin has been isolated from various tissues of plants in the Vitex genus: fruits and leaves of V. trifolia, aerial parts and seeds of V. agnus-castus and leaves of V.negundo. Studies have reported the antiproliferative and apoptotic activities of casticin from Vitex species.The compound is effective against many cancer cell lines via different molecular mechanisms. Studies have also affirmed the anti-inflammatory properties of casticin, with several molecular mechanisms identified. Other pharmacological properties include anti-asthmatic, tracheospasmolytic, analgesic, antihyperprolactinemia, immunomodulatory, opioidergic, oestrogenic, anti-angiogenic, antiglioma, lung injury protection, rheumatoid arthritis amelioration and liver fibrosis attenuation activities. Clinical trials and commercial use of the casticin-rich fruit extract of V. agnus-castus among women with premenstrual syndrome were briefly discussed.Eric Wei Chiang Chan Siu Kuin Wong Hung Tuck Chan 2018Journal of Integrative Medicine2018,16,3:6
14Molecular basis of von Hippel-Lindau syndrome in Chinese patients显示文摘背景 Von Hippel-Lindau ( VHL )症候群是预先安排的正染色体的主导的家庭癌症症候群影响个人到在用南部的汉语的 VHL 的基因基础大部分是的各种各样的 organs.The 的多重瘤 unknown.In 这研究,我们在九无关的南部的中国 families.Methods 描绘了 VHL 的变化光谱有 VHL 的临床的特征的九 probands ,二征兆并且八个无征状的家庭成员在这 study.PrenatalSIU Wai-kwan MA Ronald Ching-wan LAM Ching-wan MAK Chloe Miu YUEN Yuet-ping LO Fai-man Ivan CHAN Kin-wan LAM Siu-fung LING Siu-cheung TONG Sui-fan SO Wing-yee CHOW Chun-chung TANG Mary Hoi-yin TAM wing-hung CHAN Albert Yan-wo 2011Chinese Medical Journal2011,,2:6
15一种基于二进制小波变换的无损图像编码算法显示文摘该文提出了一种基于二进制小波变换的嵌入式无损图像编码算法——渐进式分裂二进制小波树编码器(PPBWC)。PPBWC采用混合系数扫描方法按模值大小排序小波系数得到中间符号序列,通过非因果的自适应上下文条件编码考虑了不同频带小波系数的自相似特性,并利用待编码系数的'未来'信息提高了PPBWC的压缩编码性能。混合系数扫描和非因果的自适应上下文条件编码是PPBWC高效编码的主要因素。实验结果表明,与其它嵌入式无损算法相比,PPBWC具有最优的无损编码性能。潘泓 WC Siu 夏良正 2008电子与信息学报2008,30,7:5
16Importance of surgical margin in the outcomes of hepatocholangiocarcinoma显示文摘AIM To evaluate the significance of resection margin width in the management of hepatocholangiocarcinoma(HCC-CC).METHODS Data of consecutive patients who underwent hepatectomy for hepatic malignancies in the period from1995 to 2014 were reviewed.Patients with pathologically confirmed HCC-CC were included for analysis.Demographic,biochemical,operative and pathological data were analyzed against survival outcomes. RESULTSForty-two patients were included for analysis.The median age was 53.5 years.There were 29 males.Hepatitis B virus was identified in 73.8%of the patients.Most patients had preserved liver function.The median preoperative indocyanine green retention rate at 15 min was 10.2%.The median tumor size was 6.5 cm.Major hepatectomy was required in over 70%of the patients.Hepaticojejunostomy was performed in 6 patients.No hospital death occurred.The median hospital stay was 13 d.The median follow-up period was 32 mo.The 5-year disease-free survival and overall survival were 23.6%and 35.4%respectively.Multifocality was the only independent factor associated with diseasefree survival[P<0.001,odds ratio 4,95%confidence interval(CI):1.9-8.0].In patients with multifocal tumor(n=20),resection margin of≥1 cm was associated with improved 1-year disease-free survival(40%vs 0%;log-rank,P=0.012).CONCLUSIONHCC-CC is a rare disease with poor prognosis.Resection margin of 1 cm or above was associated with improved survival outcome in patients with multifocal HCC-CC.Ka Wing Ma Kenneth Siu Ho Chok 2017World Journal of Hepatology2017,9,13:5
17A cross-sectional study on compliance with topical glaucoma medication and its associated socioeconomic burden for a Chinese population显示文摘AIM: To estimate the overall drug compliance for local Chinese glaucoma patients on long-term topical treatment.METHODS: This was a retrospective cross-sectional study.Fifty-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 life.Noncompliance was defined as reporting missing more than or equal to 10% of the prescribed topical glaucoma medication during the 2wk immediately prior to the consultation.Relationships between noncompliance and demographics,attitude,disease and treatment status was studied.Cost was estimated with quality of life and direct medical cost involved with noncompliance.Multivariable logistic regression on noncompliance was performed on selected factors.RESULTS: 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 outcomes.Age(P=0.048) and forgetfulness(P=0.064) were found to be marginally significant predictive factors on noncompliance in multivariable logistic regression.Noncompliance might be related(P=0.130) to poorer self-rated vision-associated quality of life.The societal cost of noncompliance was estimated to be over 2510 life-years and US$ 3.7 million territory-wide.CONCLUSION: 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 levels.Age and forgetfulness are two possible independent predictors for noncompliance.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 2017International Journal of Ophthalmology(English edition)2017,10,2:5
18Effects of a nurse-led heart failure clinic on hospital readmission and mortality in Hong Kong显示文摘Ho Yu Cheng Sek Ying Chair Qun Wang Janet WH Sit Eliza ML Wong Siu Wai Tang 2016Journal of Geriatric Cardiology2016,13,5:5
19Minimally invasive donor hepatectomy, are we ready for prime time?显示文摘Minimally invasive surgery potentially reduces operative morbidities. However, pure laparoscopic approaches to donor hepatectomy have been limited by technical complexity and concerns over donor safety. Reducedwound donor hepatectomy, either in the form of a laparoscopic-assisted technique or by utilizing a minilaparotomy wound, i.e., hybrid approach, has been developed to bridge the transition to pure laparoscopic donor hepatectomy, offering some advantages of minimally invasive surgery. To date, pure laparoscopic donor left lateral sectionectomy has been validated for its safety and advantages and has become the standard in experienced centres. Pure laparoscopic approaches to major left and right liver donation have been reported for their technical feasibility in expert hands. Robotic-assisted donor hepatectomy also appears to be a valuable alternative to pure laparoscopic donor hepatectomy, providing additional ergonomic advantages to the surgeon. Existing reports derive from centres with tremendous experience in both laparoscopic hepatectomy and donor hepatectomy. The complexity of these procedures means an arduous transition from technical feasibility to reproducibility. Donor safety is paramount in living donor liver transplantation. Careful donor selection and adopting standardized techniques allow experienced transplant surgeons to safely accumulate experience and acquire proficiency. An international prospective registry will advance the understanding for the role and safety of pure laparoscopic donor hepatectomy.Kin Pan Au Kenneth Siu Ho Chok 2018World Journal of Gastroenterology2018,24,25:5
20Clinicopathological significance of synchronous carcinoma in colorectal cancer显示文摘Alfred King-Yin Lam Robert Carmichael Petra Gertraud Buettner Vinod Gopalan Yik-Hong Ho Simon Siu 2011The American Journal of Surgery2011,,1:4
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