检索结果-南通市图书馆

clinical course and prognostic factors of hepatorenal syndrome:a retrospective single-center cohort study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Hepatology 2013年第12期5卷 685-691页

作者： Anna Licata Marcello Maida Ambra Bonaccorso Fabio Salvatore Macaluso Maria Cappello antonio craxì Piero Luigi Almasio Section of Gastroenterology Dipartimento Biomedicodi Medicina Interna e SpecialisticaUniversity of Palermo

AIM: To investigate clinical and biochemical features of hepatorenal syndrome(HRS), to assess short and long- term survival evaluating potential predictors of early mortality. METHODS: Sixty-two patients with liver cirrhosis and renal failure, defined as a serum creatinine value > 1.5 mg/dL on at least two measurements within 48 h, admitted to our tertiary referral Unit from 2001 to 201, were retrospectively reviewed. Among them, 33 patients(53.2%) fulfilled the revised criteria of the International Ascites Club for the diagnosis of HRS. Twenty-eight patients were treated with combinations of terlipressin and albumin, two with dopamine and al- bumin, and three with albumin alone. No patients were suitable for liver transplantation. Complete response was defined as normalization of creatinine levels to less than 1.5 mg/dL, partial response as a decrease of at least 50% but not to less than 1.5 mg/dL, no response as no reduction in creatinine or a decrease of less 50% compared to pre-treatment values. All of the patients were followed up for at least 1 year until January 2013. RESULTS: HRS type 1 was diagnosed in 15 patients(45.5%). Hepatitis C virus infection was the primary etiology(69.6%), followed by alcohol(15.2%), and cryptogenesis(15.2%). Complete response to therapy was obtained in only 3 cases(9.1%) and partial re- sponse in 7 patients(21.2%). Median survival was 30 d(range: 10-274) without significant differences be- tween type 1 and type 2 HRS. By univariate analysis, Child-Pugh class C(P = 0.009), presence of hepatocel- lular carcinoma(P = 0.04), low serum sodium(P = 0.02), high bilirubin values(P = 0.009) and high Model for End-stage Liver Disease(MELD) score(P = 0.03) were predictive factors of 30-d mortality. By multivari- ate analysis, only serum sodium 27(OR = 18.72; P = 0.01) were independently associated with a survival of less than one month. CONCLUSION: HRS still has a poor prognosis, even when va

关键词： Hepatorenal syndrome Liver cirrhosis Hepatitis C virus vasoactive drugs Mortality

Natural history of untreatable hepatocellular carcinoma:A retrospective cohort study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Hepatology 2012年第9期4卷 256-261页

作者： Giuseppe Cabibbo Marcello Maida Chiara Genco Pietro Parisi Marco Peralta Michela Antonucci Giuseppe Brancatelli Calogero Cammà antonio craxì Vito Di Marco Section of Gastroenterology Department of Internal Medicine and Biomedical SpecialistUniversity of PalermoPalermo 90127Italy Department of Biopathology and Biomedical Methodologies University of PalermoPalermo 90127Italy Department of Oncology Division of General Surgery and OncologyUniversity of PalermoPalermo 90127Italy Department of Radiology DIBIMEFUniversity of PalermoPalermo 90127Italy

AIM: To investigate the clinical course of untreatable hepatocellular carcinoma (HCC) identified at any stage and to identify factors associated with mortality. METHODS: From January 1999 to December 2010, 320 out of 825 consecutive patients with a diagnosis of HCC and not appropriate for curative or palliative treatments were followed and managed with supportive therapy. Cirrhosis was diagnosed by histological or clinical features and liver function was evaluated according to Child-Pugh score. The diagnosis of HCC was performed by Ultra-Sound guided biopsy or by multiphasic contrast-enhanced computed tomography or gadolinium-enhanced magnetic resonance imaging. Data were collected for each patient including all clinical, laboratory and imaging variables necessary for the outcome prediction staging systems considered. HCC staging was performed according Barcelona Clinic Liver Cancer (BCLC) and Cancer of the Liver Italian Program scores. Follow-up time was defined as the number of months from the diagnosis of HCC to death. Prognostic baseline variables were analyzed by multivariate Cox analysis to identify the independent predictors of survival. RESULTS: Seventy-five per cent of patients had hepatitis C. Ascites was present in 169 patients (53%), while hepatic encephalopathy was present in 49 patients (15%). The Child-Pugh score was class A in 105 patients (33%), class B in 142 patients (44%), and class C in 73 patients (23%). One hundred patients (31%) had macroscopic vascular invasion and/or extra-hepatic spread of the tumor. A single lesion > 10 cm was observed in 34 patients (11%), while multinodular HCC was present in 189 patients (59%). Thirty nine patients (12%) were BCLC early (A) stage, 55 (17%) were BCLC intermediate (B) stage, 124 (39%) were BCLC advanced (C) stage, and 102 (32%) were end-stage BCLC (D). At the time of this analysis (July 2011), 28 (9%) patients were still alive. Six (2%) patients who were lost during follow-up were censored at the last vi

关键词： Hepatocellular carcinoma Liver Cancer Survival Prognosis Natural history

Different doses of consensus interferon plus ribavirin in patients with hepatitis C virus genotype 1 relapsed after interferon monotherapy:A randomized controlled trial

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2006年第42期12卷 6861-6864页

作者： Giuseppe Alaimo Vito Di Marco Donatella Ferraro Rosa Di Stefano Salvatore Porrovecchio Francesca D’Angelo Vincenza Calvaruso antonio craxì Piero Luigi Almasio Cattedra di Gastroenterologia Dipartimento Biomedico di Medicina Interna e Specialistica University of Palermo Italy Cattedra di Virologia Di-partimento di Igiene e Microbiologia University of Palermo Italy

AIM： To assess the efficacy of different schedules of consensus interferon （CIFN） plus ribavirin in retreating chronic hepatitis C patients who relapsed after recombinant interferon （rIFN） monotherapy. METHODS： Forty-five patients （34 males and 11 females） with chronic hepatitis due to hepatitis C virus （HCV） genotype 1 who relapsed after a previous course of rIFN monotherapy were randomized to receive 9 μg CIFN three times per week for 52 wk （group A, n = 22） or 18 μg CIFN three times per week for 52 wk （group B, n = 23） in combination with ribavirin 800 to 1200 mg daily for 52 wk （according to body weight）. Virological response was evaluated at week 24 （ERR）, at the end of treatment （ETR） and at 76 wk （SVR）. RESULTS： By intention-to-treat analysis, subjects in group A had an EVR in 35% of cases, an ETR in 35% and a SVR in 27.3% of cases. Subjects in group B had an EVR in 32% of cases, an ETR in 35% and a SVR in 26.1% of cases. Treatment was stopped because of adverse effects （mostly intolerance） in 15 patients （6 in group A and 9 in group B）. IFN dose reduction was needed in 2 patients （1 in group A and 1 in group B）. Ribavirin dose was reduced in 2 patients in group A and 1 in group B respectively. Among the 15 subjects who received at least 80% of the intended schedule, the rate of SVR was 80% （6 in group A and 6 in group B）. CONCLUSION： CIFN in combination with ribavirin when given to HCV genotype 1 relapsers after rIFN monotherapy obtains an unsatisfactory rate of sustained viral clearance independently of dosage of the drug. This may be due to its scarce tolerability.

关键词： Interferon Ribavirin Hepatitis C virus Hepatitis C Relapser

Hyperferritinemia is a risk factor for steatosis in chronic liver disease

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2009年第17期15卷 2132-2138页

作者： Anna Licata Maria Elena Nebbia Giuseppe Cabibbo Giovanna Lo Iacono Francesco Barbaria Virna Brucato Nicola Alessi Salvatore Porrovecchio Vito Di Marco antonio craxì Calogero Cammà Gastroenterology and Hepatology Unit Department of Internal Medicine University of Palermo 90127 Palermo Italy

AIM: To investigate the relationship between ferritin and steatosis in patients with chronically abnormal liver function tests (LFTs) and high ferritin level. METHODS: One hundred and twenty-four consecutive patients with hyperferritinemia (male > 300 ng/mL, female > 200 ng/mL) were evaluated; clinical, biochemical and serological data, iron status parameters, HFE gene mutations and homeostasis model assessment score were obtained. Steatosis was graded by ultrasound as absent or present. Histology was available in 53 patients only. RESULTS: Mean level of ferritin was 881 ± 77 ng/mL in men and 549 ± 82 ng/mL in women. The diagnosis was chronic hepatitis C in 53 (42.7%), non-alcoholic fatty liver disease/non-alcoholic steatohepatitis in 57 (45.9%), and cryptogenic liver damage in 14 (11.3%). None was diagnosed as hereditary hemochromatosis (HH). Hepatic siderosis on liver biopsy was present in 17 of 54 (32%) patients; grade 1 in eight and grade 2 in nine. Overall, 92 patients (74.2%) had steatosis. By logistic regression, ferritin and γ-glutamyltransferase were independent predictors of steatosis. Ferritin levels were signifi cantly related to low platelet count, steatosis and hepatitis C virus infection. CONCLUSION: In a non-obese cohort of non-alcoholic patients with chronically abnormal LFTs without HH, high serum ferritin level is a risk factor for steatosis.

关键词： Steatosis Serum ferritin Chronic liverdisease Hepatitis C γ-glutamyltransferase

Interferon β-1a alone or in combination with ribavirin: A randomized trial to compare efficacy and safety in chronic hepatitis C

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2005年第29期11卷 4484-4489页

作者： Rinaldo Pellicano antonio craxì Piero Luigi Almasio Mario Valenza Giovanna Venezia Alfredo Alberti Silvia Boccato Luigi Demelia Orazio Sorbello Antonino Picciotto Francesco Torre Gaetano Ideo Carlo Cattaneo Mara Berrutti Mario Rizzetto U.O.A.D.U. Gastro-Hepatology S. Giovanni Battista (Molinette) Hospital Turin Italy Venezia Department of Gastroenterology and Hepatology University of Palermo Italy Department of Internal Medicine University of Padua Italy Institute of Clinical Medicine University of Cagliari Italy Department of Internal Medicine University of Genoa Italy Department of Hepatology San Giuseppe Hospital Milan Italy U.O.A.D.U. Gastro-Hepatoiogy S. Giovanni Battista (Molinette) Hospital Turin Italy

AIM： To compare the efficacy and safety of recombinant human IFN β-la alone or in combination with ribavirin in treatment-naive subjects with chronic hepatitis C. METHODS： Open, randomized trial was performed in 6 Italian tertiary centers： 102 of the 108 patients screened were randomized to receive 6 MIU of recombinant human IFN β-la subcutaneously daily for 24 wk, alone （Group 1, n = 51） or in combination with ribavirin 1 000 to 1 200 mg/d （Group 2, n = 51）. RESULTS： The end-of-treatment virologic response rate was 29.4% in Group 1 and 41.2% in Group 2 （nonsignificant）. Twenty-four weeks after stopping therapy, sustained virologic response rate was 21.6% in Group 1 and 27.4% in Group 2 （non-significant）. All subjects in Group 1 completed treatment, while two subjects in Group 2 stopped therapy due to treatment-related adverse events. CONCLUSION： Recombinant human IFN β-la, alone or in combination with ribavirin, has an excellent safety profile and, may represent an alternative for chronic hepatitis C patients who are unable to tolerate pegylated α-interferon.

关键词： Chronic hepatitis C IFN β-1a Ribavirin

Therapeutic targeting of cellular prion protein: toward the development of dual mechanism anti-prion compounds

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第4期20卷 1009-1014页

作者： antonio Masone Chiara Zucchelli Enrico Caruso Giovanna Musco Roberto Chiesa Laboratory of Prion Neurobiology Department of NeuroscienceIstituto di Ricerche Farmacologiche Mario Negri IRCCSMilanItaly Biomolecular NMR Unit Division of Genetics and Cell BiologyIRCCS Ospedale San RaffaeleMilanItaly Department of Biotechnology and Life Sciences University of InsubriaVareseItaly

PrPSc,a misfolded,aggregation-prone isoform of the cellular prion protein(PrPC),is the infectious prion agent responsible for fatal neurodegenerative diseases of humans and other *** adopt different pathogenic conformations(prion strains),which can be resistant to potential drugs,or acquire drug resistance,posing challenges for the development of effective *** PrPCis the obligate precursor of any prion strain and serves as the mediator of prion neurotoxicity,it represents an attractive therapeutic target fo r prion *** this minireview,we briefly outline the approaches to target PrPCand discuss our recent identification of Zn(Ⅱ)-Bn PyP,a PrPC-targeting porphyrin with an unprecedented bimodal mechanism of *** argue that in-depth understanding of the molecular mechanism by which Zn(Ⅱ)-Bn PyP targets PrPCmay lead toward the development of a new class of dual mechanism anti-prion compounds.

关键词： anti-prion drug anti-PrPC antibody antisense oligonucleotide neurodegeneration pharmacological chaperone porphyrin prion disease PrPC degrader PrPC shedding zinc finger repressor

Quasi-freestanding graphene on Ni（110）： A graphene/ metal contact with suppressed interface states

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Nano Research 2016年第6期9卷 1795-1800页

作者： antonio Politano Department of Physics University of Calabria via Ponte Bucci 3 I/C 1-87036 Rende (CS) Italy

Graphene/Ni（110） has been studied by time-resolved X-ray photoelectron spectroscopy and near-edge X-ray absorption fine structure. The C ls core level shows a splitting typical of periodically rippled interfaces. The analysis of the C K-edge reveals that the interface states previously observed for graphene/Ni（111） are suppressed in graphene/Ni（110）. This suppression is due to the reduced hybridization of the Dirac-cone electrons in graphene with the d-bands of the （110）-oriented nickel contacts. Our results show that, contrary to commensurate growth of graphene on Ni（111）, epitaxially grown graphene on Ni（110） behaves as a quasi-freestanding sheet, as the lattice mismatch gives rise to a moir6 reconstruction.

关键词： graphene electronic properties synchrotron radiation X-ray photoelectronspectroscopy near-edge X-rayphotoelectron spectroscopy

Interplay between the glass and the gel transition

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2019年第10期62卷 45-50页

作者： Annalisa Fierro antonio de Candia antonio Coniglio CNR-SPIN c/o Complesso di Monte S.AngeloNapoli 80126Italy Dipartimento di Fisica"Pancini" Universita di Napoli"FedericoⅡ"Complesso di Monte S.AngeloNapoli 80126Italy

By changing the control parameters, many physical systems reach a slow dynamics regime followed by an arrested or a quasiarrested state. Examples, among others, are gels and glasses. In this paper, we discuss some experimental and theoretical results in polymer and colloidal systems, where gel and glass transitions interfere, and use models from Mode Coupling Theory（MCT）to illustrate the rich phenomenology observed. The continuous and the discontinuous transition lines, found in the MCT models,are considered suitable to describe respectively the gel and the glass transitions, so we suggest that the interplay between gel and glass may be interpreted in terms of the F13 MCT model, clarifying also the origin of logarithmic decays often observed in such systems. In particular, the theoretical predictions of the MCT in the F13 model are compared with Molecular Dynamics simulations in model systems for chemical gels and charged colloids.

关键词： glass gel and sol colloid

Cost-effective synthesis of giant molecule acceptors(GMAs)for stable polymer solar cells

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Science China Chemistry 2024年第4期67卷 1041-1043页

作者： antonio Facchetti Department of Chemistry and the Materials Research Center Northwestern University2145 Sheridan Road60208 EvanstonIllinoisUSA School of Materials Science and Engineering Georgia Institute of Technology771 Ferst Drive30332 AtlantaGeorgiaUSA

Polymer solar cells(PSCs)have emerged as a disruptive energy technology due to simple device architecture,earthabundant elemental composition,lightweight nature,and inherent mechanical flexibility[1,2].Via a strategic acceptordonor-acceptor(A-D-A)design of small-molecule acceptors(SMAs),device power conversion efficiency(PCE)has now increased>19%.

关键词： acceptor synthesis donor