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*** treatment following term neonatal hypoxia-ischemia may modulate inflammation by regulating gliosis

Annals of Eye Science 2018年第1期 419-419页

作者： Palig Balian Armin Yazdani annie wing hoi poon Zehra Khoja Pia Wintermark Montreal Children’s Hospital McGill UniversityMontrealQCCanada

Background:Hypoxic-ischemic injuries following birth asphyxia often lead to long-term neurological sequelae,including visual impairments,due to cortical and retinal injuries in affected *** treatment with sildenafil has been shown to improve retinal function following term neonatal asphyxia,the underlying mode of action explaining this improvement remains yet to be *** goal is to determine the impact of sildenafil on retinal neurons and glial cells following hypoxic-ischemic ***:Neonatal hypoxia-ischemia(HI)was induced in male Long-Evans rat pups at postnatal day 10(P10)by left common carotid ligation followed by 2-hour exposure to 8%oxygen.12 hours following HI,animals were randomly administered 0(vehicle),2,10 or 50 mg/kg of sildenafil for 7 consecutive *** P30,rats were sacrificed and their eyes were *** was performed to examine retinal ganglion cells(Brn3a),bipolar cells(Chx10),astrocytes(GFAP)and microglia(Iba1)in order to assess the neuronal count and the inflammatory response in the retina following HI and the impact of the sildenafil *** addition,the ratio of activated to non-activated Muller cells was assessed by co-staining Nestin and GS ***:In the retina,HI caused a decrease in the number of retinal ganglion cells and bipolar cells,as well as an increase in inflammation marked by an increase in the number of astrocytes and an increase in the ratio of activated to non-activated Muller *** treatment restored the number of retinal ganglion cells and bipolar cells,as well as reduced neuroinflammation by decreasing the number of astrocytes and the number of activated Muller ***:Sildenafil seems to improve retinal injuries by reestablishing retinal neuron numbers back to sham levels and modulating inflammation following HI.

关键词： Birth asphyxia sildenafil inflammation retina

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A review on radiofrequency,microwave and high-intensity focused ultrasound ablations for hepatocellular carcinoma with cirrhosis

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Hepatobiliary Surgery and Nutrition 2021年第2期10卷 193-209页

作者： Tan To Cheung Ka wing Ma Wong hoi She Department of Surgery The University of Hong Kong102 Pok Fu Lam RoadHong KongChina

Importance:Hepatocellular carcinoma(HCC)is usually accompanied by liver cirrhosis,which makes treatment of this disease *** transplantation theoretically provides an ultimate solution to the disease,but the maximal surgical stress and the scarcity of liver graft make this treatment option impossible for some *** an ideal situation,a treatment that is safe and effective should provide a better outcome for patients with the ***:This article aims to give a comprehensive review of various types of loco-ablative treatment for *** Review:Loco-ablative treatment bridges the gap between surgical resection and transarterial *** types of ablative therapy have their unique ability,and evidence-based outcome analysis is the most important key to assisting clinicians to choose the most suitable treatment modality for their ***:Radiofrequency ablation(RFA)has a relatively longer history and more evidence to support its *** ablation(MWA)is gaining momentum because of its shorter ablation time and consistent ablation ***-intensity focused ultrasound(HIFU)ablation is a relatively new technology that provides non-invasive treatment for patients with *** has been carried out at centers of excellence and it is a safe and effective treatment option for selected patients with HCC and liver *** and Relevance:Selective use of different loco-ablative therapies will enhance clinicians’treatment options for treatment of HCC.

关键词： High-intensity focused ultrasound(HIFU) hepatocellular carcinoma(HCC) liver cancer radiofrequency ablation(RFA) microwave ablation(MWA) survival non-invasive treatment ablation cirrhosis complication

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Effects of length alteration of OPE-containing mono- and dinuclear alkynylplatinum(II) terpyridine complexes on photophysical, structural and morphological properties

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Nano Research 2024年第10期17卷 8893-8903页

作者： Jason Koon-Lam poon Sammual Yu-Lut Leung Eric Ka-Ho Wong Vivian wing-Wah Yam Institute of Molecular Functional Materials State Key Laboratory of Synthetic Chemistry and Department of ChemistryThe University of Hong KongHong Kong 999077China

A series of mononuclear complexes and unsymmetric dinuclear alkynylplatinum(II)terpyridine complexes with oligo(paraphenylene ethynylene)(OPE)-derived backbone with a variation of the lengths of alkoxy chains and OPE backbones was *** morphological properties,packing lattice and gelation behaviors of the mononuclear complexes were systematically studied,and the thermodynamic parameters and packing lattices of the dinuclear complexes were also investigated,providing further insights into the roles of the non-covalent interactions and their delicate balance in constructing sophisticated supramolecular *** and nanotube formation have been observed upon a delicate control of the intermolecular interactions by altering the lengths and structural dimensions of the complexes.

关键词： supramolecular chemistry self-assembled nanostructures platinum(II)complexes metallogel

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Supramolecular Self-assembly of Amphiphilic Alkynylplatinum(II)2,6-Bis(N-alkylbenzimidazol-2′-yl)pyridine Complexes

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Chemical Research in Chinese Universities 2021年第5期37卷 1079-1084页

作者： Andy Shun-hoi CHEUNG Sammual Yu-Lut LEUNG Franky Ka-Wah HAU Vivian wing-Wah YAM Institute of Molecular Functional Materials and Department of Chemistry The University of Hong KongPokfulam RoadHong KongP.R.China

Alkynylplatinum(II)bzimpy complexes of trimethylammoniumbenzylethynyl ligand have been synthesized and *** with long alkyl chains have been found to exhibit interesting self-assembly properties in the acetonitrile *** amphiphilic nature of the complexes has led to the formation of nanorods,as revealed by electron microscopy *** increasing the polarity of the solvent media has given rise to the enhancement of low-energy emission.

关键词： solution. platinum alkyl

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Experience of living donor liver transplantation for hepatocellular carcinoma in the University of Hong Kong Hospital

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Hepatoma Research 2022年第1期8卷 90-105页

作者： Janice hoi Man Mok Ka wing Ma Kenneth Siu Ho Chok Li Ka Shing Faculty of Medicine The University of Hong KongHong KongChina Department of Surgery The University of Hong KongHong KongChina

Aim:To describe the current practise of living donor liver transplantation(LDLT)for hepatocellular carcinoma(HCC),including the patient selection criteria,surgical techniques,management of small-for-size syndrome,postoperative complications,and the results of our units,in the Liver Transplant Centre of Queen Mary Hospital,Hong Kong,one of the high-volume centres for LDLT in ***:Our centre practises careful selection for HCC patients using the University of California,San Francisco(UCSF)criteria,supplemented by alpha-fetoprotein level and the model for end-stage liver disease *** flexibility is offered to enthusiastic donors and recipients in LDLT while balancing the risks and *** pioneered in using the extended right lobe graft and the novel hepatic venoplasty technique,which lessen the risk of hyperperfusion and small-for-size syndrome with improved overall recipient *** were collected prospectively and presented as the mean values and ranges,or the number of patients in proportion of total patient ***:Of our patients,74.9% met the UCSF criteria,and 64.5% met the Milan criteria.A 5-year overall and disease-free survival rate of 78.9% and 76.3% were ***:LDLT is an ideal treatment for HCC in Hong Kong with regard to the critical organ shortage and high demand for *** current surgical techniques and post-transplant surveillance contribute to the positive outcome.

关键词： Living donor liver transplantation hepatocellular carcinoma high volume centre LDLT HCC

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Acute pancreatitis induced by transarterial chemoembolization:a single-center experience of over 1500 cases

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Hepatobiliary & Pancreatic Diseases International 2016年第1期15卷 93-98页

作者： Wong hoi She Albert CY Chan Tan To Cheung Kenneth SH Chok See Ching Chan Ronnie TP poon Chung Mau Lo Division of Hepatobiliary & Pancreatic Surgery and Liver Transplantation Department of SurgeryThe University of Hong Kong

BACKGROUND： Acute pancreatitis is a relatively rare but po- tentially lethal complication after transarterial chemotherapy. This study aimed to review the complications such as acute pancreatitis after transarterial chemotherapy with or without embolization for hepatocellular carcinoma. METHODS： A total of 1632 patients with hepatocellular car- cinoma who had undergone transarterial chemoembolization from ]anuary 2000 to February 2014 in a single-center were reviewed retrospectively. We investigated the potential com- plications of transarterial chemoembolization, such as acute pancreatitis and acute pancreatitis-related complications. RESULTS： Of the 1632 patients with hepatocellular carcinoma who had undergone 5434 transarterial chemoembolizations, 1328 were male and 304 female. The median age of these pa- tients was 61 years. Most （79.6%） of the patients suffered from HBV-related hepatoceUular carcinoma. The median tumor size was 5.2 cm. Of the 1632 patients, 145 patients underwent transarterial chemoembolization with doxorubicin elut- ing bead, making up a total of 538 episodes. The remaining patients underwent transarterial chemoembolization with cisplatin. Seven （0.4%） patients suffered from acute pancre- atitis post-chemoembolization. Six patients had chemoembo- lization with doxorubicin and one had chemoembolization with cisplatin. Patients who received doxornbicin eluting bead had a higher risk of acute pancreatitis [6/145 （4.1%） vs 1/1487 （0.1%）, P〈0.0001]. Two patients had anatomical arterial variations. Four patients developed acute pancreatitis- related complications including necrotizing pancreatitis （n=3） and pseudocyst formation （n=1）. All of the 4 patients resolved after the use of antibiotics and other conservative treatment. Three patients had further transarterial chemoembolization without any complication. CONCLUSIONS： Acute pancreatitis after transarterial chemo- embolization could result in serious complications, especially after treatment wit

关键词： transarterial chemoembolization acute pancreatitis hepatocellular carcinoma

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The ‘Unsigned highway’:An alternative route for portal vein anastomosis for non-malignant portal vein thrombosis during pediatric re-transplantation

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Hepatobiliary & Pancreatic Diseases International 2021年第2期20卷 193-195页

作者： Albert Chi Yan Chan wing Chiu Dai Patrick Ho Yu Chung Wong hoi She Sui Ling Sin Division of Liver Transplantation Department of SurgeryThe University of Hong KongHong KongChina Division of Paediatric Surgery Department of SurgeryThe University of Hong KongHong KongChina

To the Editor:Non-malignant portal vein thrombosis(PVT)remains an important issue in liver transplantation due to the technical challenges in re-establishing the portal flow to the liver *** prevalence of complex PVT(*** grade 4)was reported to be around 2.0%[1].In the early history of liver transplantation,PVT was regarded as a contraindication.

关键词： malignant thrombosis anastomosis

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Recurrent pyogenic cholangitis:An indication for liver transplantation

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Hepatobiliary & Pancreatic Diseases International 2022年第4期21卷 396-398页

作者： Wong hoi She wing Chiu Dai James YY Fung Tan To Cheung Albert CY Chan Chung Mau Lo Department of Surgery The University of Hong Kong102 Pok Fu Lam RoadHong KongChina

To the Editor:Recurrent pyogenic cholangitis(RPC),also known as Hong Kong disease[1],is an unique disease entity with a decreasing *** is characterized by the formation of intrahepatic biliary pigmented stones,which r... 详细信息

关键词： cholangitis obstruction liver

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Validated model for prediction of recurrent hepatocellular carcinoma after liver transplantation in Asian population

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World Journal of Gastrointestinal Oncology 2019年第4期11卷 322-334页

作者： Ka wing Ma Wong hoi She Albert Chi Yan Chan Tan To Cheung James Yan Yue Fung wing Chiu Dai Chung Mau Lo Kenneth Siu Ho Chok Department of Surgery the University of Hong Kong Department of Surgery and State Key Laboratory for Liver Research the University of Hong Kong Department of Medicine and State Key Laboratory for Liver Research The University of Hong Kong

BACKGROUND Liver transplantation(LT) is regarded as the best treatment for both primary and recurrent hepatocellular carcinoma(HCC). Post-transplant HCC recurrence rate is relatively low but significant, ranging from 10%-30% according to different series. When recurrence happens, it is usually extrahepatic and associated with poor prognosis. A predictive model that allows patient stratification according to recurrence risk can help to individualize post-transplant surveillance protocol and guidance of the use of anti-tumor immunosuppressive *** To develop a scoring system to predict HCC recurrence after LT in an Asian *** Consecutive patients having LT for HCC from 1995 to 2016 at our hospital were recruited. They were randomized into the training set and the validation set in a60:40 ratio. Multivariable Cox regression model was used to identity factors associated with HCC recurrence. A risk score was assigned to each factor according to the odds ratio. Accuracy of the score was assessed by the area under the receiver operating characteristic *** In total, 330 patients were eligible for analysis(183 in training and 147 invalidation). Recurrent HCC developed in 14.2% of them. The median follow-up duration was 65.6 mo. The 5-year disease-free and overall survival rates were78% and 80%, respectively. On multivariate analysis, alpha-fetoprotein > 400 ng/mL [P = 0.012, hazard ratio(HR) 2.92], sum of maximum tumor size and number(P = 0.013, HR 1.15), and salvage LT(P = 0.033, HR 2.08) were found to be independent factors for disease-free survival. A risk score was calculated for each patient with good discriminatory power(c-stat 0.748 and 0.85, respectively,in the training and validation sets). With the derived scores, patients were classified into low-(0–9), moderate-(> 9–14), and high-risk groups(> 14), and the risk of HCC recurrence in the training and validation sets was 10%, 20%, 54%(cstat 0.67) and 4%, 22%, 62%(c-stat 0.811), accordin

关键词： Hepatocellular carcinoma Liver transplantation Post-transplant recurrence Predictive model

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Chinese topical herbal medicine gives additive effect on pharmaceutical agent on fracture healing

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Journal of Traditional Chinese Medicine 2019年第6期39卷 853-860页

作者： Siu wing Sum Shiu hoi Ting Shum Wai Ting Ko Chun Hay Lau Clara Bik San Hung Leung Kim Leung Ping Chung Institute of Chinese Medicine The Chinese University of Hong KongShatinNew TerritoriesHong Kong China State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong KongShatinNew TerritoriesHong Kong China Department of Orthopaedics and Traumatology The Chinese University of Hong KongShatinNew TerritoriesHong Kong China

OBJECTIVE:To investigate the efficacy on the combination of oral strontium ranelate(Sr R)with a topical Chinese herbal paste on facilitation of fracture ***:An open fracture was created at the mid-shaft of the right tibia of rat.A herbal pastecalled CDR containing Honghua(Flos Carthami),Chuanxuduan(Radix Dipsaci Asperoidis)and Dahuang(Radix Et Rhizoma Rhei Palmati)was *** rats were treated with either CDR topically on the fracture site,or Sr R orally,or their *** turnover biochemical markers in serum were *** of the fracture was analyzed using micro-CT after 14 and 28 d,followed by histomorphometrical ***:Micro-computed tomography analysis revealed that the combined treatment of CDR with600 mg/g Sr R significantly increased the total callus density,mineralized callus volume fraction,mineralized callus mineral content and mineralized callus density of the callus after 28 d of *** result was consistent with the histomorphometrical analysis on the osteoid *** of biochemical markers showed that the combined treatments reduced the bone resorption that occurs temporarily after ***:This study demonstrated that the combined treatment of oral Sr R and topical CDR is effective to promote fracture healing by their additive effect on promoting bone formation and retarding bone resorption.

关键词： Fracture healing Osteogenesis Bone resorption Medicine,Chinese Traditional Integrative medicine Strontium ranelate

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