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1H pylori infection and systemic antibodies to CagA and heat shock protein 60 in patients with coronary heart disease显示文摘AIM: To determine the overall prevalence of H pylori and CagA positive H pylori infection and the prevalence of other bacterial and viral causes of chronic infection in patients with coronary heart disease (CHD), and the potential role of anti-heat-shock protein 60 (Hsp60) anti- body response to these proteins in increasing the risk of CHD development. METHODS: Eighty patients with CHD and 160 controls were employed. We also compared the levels of anti- heat-shock protein 60 (Hsp60) antibodies in the two groups. The H pylori infection and the CagA status were determined serologically, using commercially available enzyme-linked immunosorbent assays (ELISA), and a Western blotting method developed in our laboratory. Systemic antibodies to Hsp60 were determined by a sandwich ELISA, using a polyclonal antibody to Hsp60 to sensitise polystyrene plates and a commercially available human Hsp60 as an antigen. RESULTS: The overall prevalence of H pylori infec- tion was 78.7% (n = 63) in patients and 76.2% (n = 122) in controls (P = 0.07). Patients infected by CagA- positive (CagA+) H pylori strains were 71.4% (n = 45) vs 52.4% of infected controls (P = 0.030, OR = 2.27). Sys-temic levels of IgG to Hsp60 were increased in H pylori- negative patients compared with uninfected controls (P < 0.001) and CagA-positive infected patients compared with CagA-positive infected controls (P = 0.007). CONCLUSION: CagA positive H pylori infection may concur to the development of CHD; high levels of anti- Hsp60 antibodies may constitute a marker and/or a con- comitant pathogenic factor of the disease.Cristina Lenzi Alberto Palazzuoli Nicola Giordano Giuliano Alegente Catia Gonnelli Maria Stella Campagna Annalisa Santucci Michele Sozzi Panagiotis Papakostas Fabio Rollo Ranuccio Nuti Natale Figura 2006World Journal of Gastroenterology2006,12,48:23
2Laparoscopic resection vs laparoscopic radiofrequency ablation for the treatment of small hepatocellular carcinomas: A single-center analysis显示文摘AIM To compare survival and recurrence after laparoscopic liver resection(LLR) and laparoscopic radiofrequency ablation(LRFA) for the treatment of small hepatocellular carcinoma(HCC).METHODS Between June 1, 2005 and November 30, 2010, 46 patients(62.26 ± 8.55 years old; female/male: 12/34) treated for small HCC were enrolled following strict criteria. Patients with better liver function and larger tumors were referred for LLR(n = 24), while those with poorer liver function and multiple tumors were referred for LRFA(n = 22), and they were then followed for similar durations(44.74 ± 21.3 mo for LLR vs 40.27 ± 30.8 mo for LRFA). RESULTS The LLR and LRFA groups were homogeneous with regard to age, sex, etiology of liver cirrhosis, and AFP levels. The overall survival(OS) and disease-free survival(DFS) probability was 0.354 and 0.260, respectively. A significantly higher OS was observed in the LLR group(LLR: 0.442; LRFA: 0.261; P = 0.048), whereas no statistical difference was found for DFS(LLR: 0.206; LRFA: 0.286; P = 0.205). In the LRFA group was treated a greater number of nodules(LLR: 1.41 ± 0.77; LRFA: 2.72 ± 1.54; P < 0.001). Cox regression analysis found the number of intraoperative HCC nodules as the unique variable statistically significant for OS(hazard ratio: 2.225; P < 0.001). The rank-hazard plot showed a steeper increase of relative hazard for intraoperative nodules > 2.CONCLUSION Our preliminary results confirm the superiority of hepatic resection on thermoablation in the treatment of small HCC in selected patients, when both approaches are made laparoscopically. LLR showed better results compared to LRFA in terms of OS. These data need to be confirmed by further studies on a larger number of patients.Marco Casaccia Gregorio Santori Giuliano Bottino Pietro Diviacco Enzo Andorno 2017World Journal of Gastroenterology2017,23,4:20
3Combination of 'low-dose' ribavirin and interferon alfa-2a therapy followed by interferon alfa-2a monotherapy in chronic HCV-infected nonresponders and relapsers after interferon alfa-2a monotherapy显示文摘AIM To report on the efficacy, safety and tolerability of interferon alfa-2a combined with a 'low dose' of ribavirin for relapsers and non responders to alpha interferon monotherapy.METHODS Thirty-four chronic hepatitis C virus-infected non-responders to interferon alfa2a monotherapy (a course of at least 3 months treatment) and 13 relapsers to interferon alfa 2a monotherapy (a dose of 3 to 6 million units three times per week for at least 20 weeks but not more than 18 months) were treated with the same dose of interferon alfa-2a used before (3 to 6 million units three times per week) and ribavirin (10 mg/ kg daily) for 6 months. In complete responders, interferon alfa-2a was administered for further 6 months at the same dose used before as monotherapy.RESULTS Seven (20.6%) of 34 non-responders stopped the combined therapy due to adverse events, including two patients with histological and clinical Child A cirrhosis. In 17/27 (63%)non-responders, the combined therapy was stopped after three months because of non-response. Ten of the 27 non-responders completed the 1;2-month treatment course. At a mean follow up of 28 months (16- 37 months)after the treatment, 4/10 (15%) previous non-responders still remained complete responders,All 13 previous relapsers completed the 12-month treatment course. At a mean follow up of 22months (9 - 36 months) after treatment, 6/13(46%) the previous relapsers were stillsustained complete responders.CONCLUSION Our treatment schedule of the combined therapy for 6 months of interferon alfa2a with a low dose of ribavirin (10 mg/kg/day)followed by 6 months of interferon alfa-2amonotherapy is able to induce a sustainedcomplete response rate in 15% of non-responders and 46% of relapsers with chronic hepatitis C virus-related liver diseases comparable to those obtained with the standarddoses of ribavirin 1000 - 1200 mg/day.Randomized prospective controlled trials using lower total amounts of ribavirin in combination with interferon should be performed.Perdita Wietzke-Braun Volker Meier Felix Braun Giuliano Ramadori 2001World Journal of Gastroenterology2001,7,2:19
4Circular RNAs in colorectal cancer:Possible roles in regulation of cancer cells显示文摘Colorectal cancer(CRC) is the third most commonly diagnosed cancer in the world and the fourth principal cause of cancer deaths worldwide. Currently, there is a lack of low cost and noninvasive screening tests for CRC, becoming a serious health problem. In this context, a potential biomarker for the early detection of CRC has recently gained attention. Circular RNAs(circ RNA), a re-discovered, abundant RNA specie, is a type of noncoding covalent closed RNAs formed from both exonic and intronic sequences. These circular molecules are widely expressed in cells, exceeding the abundance of the traditional linear m RNA transcript. They can regulate gene expression, acting as real sponges for mi RNAs and also regulate alternative splicing or act as transcriptional factors and inclusive encoding for proteins. However, little is known about circ RNA and its relationship with CRC. In this review, we focus on the biogenesis, function and role of these circ RNAs in relation to CRC, including their potential as a new biomarker.María Isabel Taborda Sebastián Ramírez Giuliano Bernal 2017World Journal of Gastrointestinal Oncology2017,9,2:13
5Crustal velocity structures beneath North China revealed by ambient noise tomography显示文摘We collected continuous noise waveform data from January 2007 to February 2008 recorded by 190 broadband and 10 very broadband stations of the North China Seismic Array.The study region is divided into grid with interval 0.25°×0.25°,and group velocity distribution maps between 4 s and 30 s are obtained using ambient noise tomography method.The lateral resolution is estimated to be 20-50 km for most of the study area.We construct a 3-D S wave velocity model by inverting the pure path dispersion curve at each grid using a genetic algorithm with smoothing constraint.The crustal structure observed in the model includes sedimentary basins such as North China basin,Yanqing-Huailai basin and Datong basin.A well-defined low velocity zone is observed in the Beijing-Tianjin-Tangshan region in 22-30 km depth range,which may be related to the upwelling of hot mantle material.The high velocity zone near Datong,Shuozhou and Qingshuihe within the depth range of 1-23 km reveals stable characteristics of Ordos block.The Taihangshan front fault extends to 12 km depth at least.Lihua Fang Jianping Wu Zhifeng Ding Weilai Wang Giuliano Francesco Panza 2010Earthquake Science2010,23,5:7
6Diet high in fructose leads to an overexpression of lipocalin-2 in rat fatty liver显示文摘AIM:To explore lipocalin-2(LCN-2)expression and its possible role and mechanism(s)of production in rat models of diet-inducible fatty liver.METHODS:Fatty liver was triggered in male SpragueDawley rats fed either with liquid Lieber-DeCarli(LDC)or LDC+70%cal fructose(L-HFr)diet for 4 or 8 wk.Chow-nourished animals served as controls.Hepatic expression of LCN-2 and other metabolic and inflammatory mediators was assessed by quantitative reverse transcription polymerase chain reaction and Western blotting.Serum LCN-2,fasting leptin,and lipid profile were evaluated via Enzyme-Linked Immunosorbent Assay,Radioimmunoassay,and colorimetric assays,respectively.The localization of LCN-2 in the liver was detected by using immunofluorescence staining.Furthermore,HE stain was used to evaluate hepatic fatdegeneration and inflammation.RESULTS:Both LDC-fed and L-HFr-fed rat histologically featured fatty liver.In the liver,mRNA transcriptions of Mcp-1,a2-m,Il-8 and Glut5 were increased in the L-HFr group at both time points(P<0.001),while the transcription of Tlr4,Inos,and Tnf-a was significantly up-regulated at week 4.Interestingly,hepatic Lcn-2 expression was 90-fold at week 4 and 507-fold at week 8 higher in L-HFr-subjected rats vs control(P<0.001).In contrast to HDL-cholesterol,systemic levels of LCN-2,fasting leptin and triglycerides were elevated in the L-HFr regimen(P<0.001).Moreover,protein expression of hepatic LCN-2,CD14,phosphoMAPK,caspase-9,cytochrome c and 4-hydroxynonenal was increased in the L-HFr group.Conversely,the hepatic expression of PGC-1a(a mitochondrial-biogenic protein)was reduced in the L-HFr category at week 8.The localization of LCN-2 in the liver was predominantly restricted to MPO+granulocytes.CONCLUSION:Fructose diet up-regulates hepatic LCN-2 expression,which correlates with the increased indicators of oxidative stress and mitochondrial dysfunction.The LCN-2 may be involved in liver protection.Salamah Mohammad Alwahsh Min Xu Hatice Ali Seyhan Shakil Ahmad Sabine Mihm Giuliano Ramadori Frank Christian Schultze 2014World Journal of Gastroenterology2014,20,7:7
7Robotic rectal surgery: State of the art显示文摘Laparoscopic rectal surgery has demonstrated its superiority over the open approach, however it still has some technical limitations that lead to the development of robotic platforms. Nevertheless the literature on this topic is rapidly expanding there is still no consensus about benefits of robotic rectal cancer surgery over the laparoscopic one. For this reason a review of all the literature examining robotic surgery for rectal cancer was performed. Two reviewers independently conducted a search of electronic databases(Pub Med and EMBASE) using the key words 'rectum', 'rectal', 'cancer', 'laparoscopy', 'robot'. After the initial screen of 266 articles, 43 papers were selected for review. A total of 3013 patients were included in the review. The most commonly performed intervention was low anterior resection(1450 patients, 48.1%), followed by anterior resections(997 patients, 33%), ultra-low anterior resections(393 patients, 13%) and abdominoperineal resections(173 patients, 5.7%). Robotic rectal surgery seems to offer potential advantages especially in low anterior resections with lower conversions rates and better preservation of the autonomic function. Quality of mesorectum and status of and circumferential resection margins are similar to those obtained with conventional laparoscopy even if robotic rectal surgery is undoubtedly associated with longer operative times. This review demonstrated that robotic rectal surgery is both safe and feasible but there is no evidence of its superiority over laparoscopy in terms of postoperative, clinical outcomes and incidence of complications. In conclusion robotic rectal surgery seems to overcome some of technical limitations of conventional laparoscopic surgery especially for tumors requiring low and ultralow anterior resections but this technical improvement seems not to provide, until now, any significant clinical advantages to the patients.Fabio Staderini Caterina Foppa Alessio Minuzzo Benedetta Badii Etleva Qirici Giacomo Trallori Beatrice Mallardi Gabriele Lami Giuseppe Macrì Andrea Bonanomi Siro Bagnoli Giuliano Perigli Fabio Cianchi 2016World Journal of Gastrointestinal Oncology2016,8,11:7
8Differential gene expression of chemokines in KRAS and BRAF mutated colorectal cell lines:Role of cytokines显示文摘AIM:To study KRAS/BRAF mutations in colorectalcancer(CRC)that influences the efficacy of treatment.To develop strategies for overcoming combination of treatment.METHODS:Five colonic cell-lines were investigated:DLD-1 with KRAS(G13D)mutation,HT 29 and Colo205 with BRAF(V600E)mutation as well as the wild type(Wt)cell-lines Caco2 and Colo-320.DLD-1(KRAS),HT-29(BRAF)and Caco2(Wt)cell lines were treated with cytokines(TNFα50 ng,IL-1β1 ng and IFNγ50ng)and harvested at different time points(1-24 h).KRAS inhibition was performed by the siRNA-approach.Two colorectal cancer cells DLD-1 and Caco2 were used for KRAS inhibition.About 70%confluency were confirmed before transfection with small interferring RNA(siRNA)oligonucleotides.All the synthetic siRNA sequences were designed in our laboratory.Total RNA and protein was isolated from the cells for RT-PCR and Western blotting.Densitometry of the Western blotting was analyzed with the Image J software(NIH).Results are shown as mean±SD.RESULTS:RT-PCR analysis in non-stimulated cells showed a low basal expression of TNFαand IL-1βin the DLD-1 KRAS-mutated cell-line,compared to Caco2wild type.No detection was found for IL-6 and IFNγin any of the studied cell lines.In contrast,pro-angiogenic chemokines(CXCL1,CXCL8)showed a high constitutive expression in the mutated cell-lines DLD-1(KRAS),HT-29 and Colo205(BRAF),compared to wild type(Caco2).The anti-angiogenic chemokine(CXCL10)showed a high basal expression in wild-type,compared to mutated cell-lines.KRAS down-regulation by siRNA showed a significant decrease in CXCL1 and CXCL10gene expression in the DLD-1(KRAS)cell-line in comparison to wild type(Caco2)at 72 h after KRAS silencing.In contrast,the specific KRAS inhibition resulted in an up-regulation of CXCL1 and CXCL10.The results of our study show a higher expression of pro-angiogenic chemokines at basal level in mutated cell-lines,which was further increased by cytokine treatment.CONCLUSION:To summarize,basal chemokine gene expression for pro-angiogenic chemokines was high in mutated as compared to wild type cell-lines.This reflects the likely existence of a different microenvironment in tumours consistent of wild type or mutated cells.This may help to rationalize the choice of molecular targets for suitable therapeutic investigation in clinical studies.Sajjad Khan Silke Cameron Martina Blaschke Federico Moriconi Naila Naz Ahmad Amanzada Giuliano Ramadori Ihtzaz Ahmed Malik 2014World Journal of Gastroenterology2014,20,11:6
9The HEPD particle detector of the CSES satellite mission for investigating seismo-associated perturbations of the Van Allen belts显示文摘CSES(China Seismo-Electromagnetic Satellite) is a mission developed by CNSA(Chinese National Space Administration) and ASI(Italian Space Agency), to investigate the near-Earth electromagnetic, plasma and particle environment, for studying the seismo-associated disturbances in the ionosphere-magnetosphere transition zone. The anthropogenic and electromagnetic noise,as well as the natural non-seismic electromagnetic emissions is mainly due to tropospheric activity. In particular, the mission aims to confirming the existence of possible temporal correlations between the occurrence of earthquakes for medium and strong magnitude and the observation in space of electromagnetic perturbations, plasma variations and precipitation of bursts with highenergy charged particles from the inner Van Allen belt. In this framework, the high energy particle detector(HEPD) of the CSES mission has been developed by the Italian LIMADOU Collaboration. HEPD is an advanced detector based on a tower of scintillators and a silicon tracker that provides good energy and angular resolution and a wide angular acceptance, for electrons of 3–100 Me V, protons of 30–200 Me V and light nuclei up to the oxygen. CSES satellite has been launched on February 2^(nd), 2018 from the Jiuquan Satellite Launch Center(China).AMBROSI Giovanni BARTOCCI Simona BASARA Laurent BATTISTON Roberto BURGER William J. CARFORA Luca CASTELLINI Guido CIPOLLONE Piero CONTI Livio CONTIN Andrea DE DONATO Cinzia DE SANTIS Cristian FOLLEGA Francesco M. GUANDALINI Cristina IONICA Maria IUPPA Roberto LAURENTI Giuliano LAZZIZZERA Ignazio LOLLI Mauro MANEA Christian MARCELLI Laura MASCIANTONIO Giuseppe MERGE Matteo OSTERIA Giuseppe PACINI Lorenzo PALMA Francesco PALMONARI Federico PANICO Beatrice PATRIZII Laura PERFETTO Francesco PICOZZA Piergiorgio POZZATO Michele PUEL Matteo RASHEVSKAYA Irina RICCI Ester RICCI Marco RICCIARINI Sergio Bruno SCOTTI Valentina SOTGIU Alessando SPARVOLI Roberta SPATARO Bruno VITALE Vincenzo 2018Science China(Technological Sciences)2018,61,5:6
10Intraoperative thromboelastography as a tool to predict postoperative thrombosis during liver transplantation显示文摘BACKGROUND Thromboembolic complications are relatively common causes of increased morbidity and mortality in the perioperative period in liver transplant patients.Early postoperative portal vein thrombosis(PVT,incidence 2%-2.6%)and early hepatic artery thrombosis(HAT,incidence 3%-5%)have a poor prognosis in transplant patients,having impacts on graft and patient survival.In the present study,we attempted to identify the predictive factors of these complications for early detection and therefore monitor more closely the patients most at risk of thrombotic complications.AIM To investigate whether intraoperative thromboelastography(TEG)is useful in detecting the risk of early postoperative HAT and PVT in patients undergoing liver transplantation(LT).METHODS We retrospectively collected thromboelastographic traces,in addition to known risk factors(cold ischemic time,intraoperative requirement for red blood cells and fresh-frozen plasma transfusion,prolonged operating time),in 27 patients,selected among 530 patients(≥18 years old),who underwent their first LT from January 2002 to January 2015 at the Liver University Transplant Center and developed an early PVT or HAT(case group).Analyses of the TEG traces were performed before anesthesia and 120 min after reperfusion.We retrospectively compared these patients with the same number of nonconsecutive control patients who underwent LT in the same study period without developing these complications(1:1 match)(control group).The chosen matching parameters were:Patient graft and donor characteristics[age,sex,body mass index(BMI)],indication for transplantation,procedure details,United Network for Organ Sharing classification,BMI,warm ischemia time(WIT),cold ischemia time(CIT),the volume of blood products transfused,and conventional laboratory coagulation analysis.Normally distributed continuous data are reported as the mean±SD and compared using one-way Analysis of Variance(ANOVA).Nonnormally distributed continuous data are reported as the median(interquartile range)and compared using the Mann-Whitney test.Categorical variables were analyzed with Chi-square tests with Yates correction or Fisher’s exact test depending on best applicability.IBM SPSS Statistics version 24(SPSS Inc.,Chicago,IL,United States)was employed for statistical analysis.Statistical significance was set at P<0.05.RESULTS Postoperative thrombotic events were identified as early if they occurred within 21 d postoperatively.The incidence of early hepatic artery occlusion was 3.02%,whereas the incidence of PVT was 2.07%.A comparison between the case and control groups showed some differences in the duration of surgery,which was longer in the case group(P=0.032),whereas transfusion of blood products,red blood cells,fresh frozen plasma,and platelets,was similar between the two study groups.Thromboelastographic parameters did not show any statistically significant difference between the two groups,except for the G value measured at basal and 120’postreperfusion time.It was higher,although within the reference range,in the case group than in the control group(P=0.001 and P<0.001,respectively).In addition,clot lysis at 60 min(LY60)measured at 120’postreperfusion time was lower in the case group than in the control group(P=0.035).This parameter is representative of a fibrinolysis shutdown(LY60=0%-0.80%)in 85%of patients who experienced a thrombotic complication,resulting in a statistical correlation with HAT and PVT.CONCLUSION The end of surgery LY60 and G value may identify those recipients at greater risk of developing early HAT or PVT,suggesting that they may benefit from intense surveillance and eventually anticoagulation prophylaxis in order to prevent these serious complications after LT.Lesley De Pietri Roberto Montalti Giuliano Bolondi Valentina Serra Fabrizio Di Benedetto 2020World Journal of Transplantation2020,10,11:5
11Adult-to-adult right lobe living donor liver transplantation:Comparison of endoscopic retrograde cholangiography with standard T2-weighted magnetic resonance cholangiography for evaluation of donor biliary anatomy显示文摘AIM: To compare the value of endoscopic retrograde cholangiography (ERC) and standard T2-weighted magnetic resonance cholangiography (MRC) in the evaluation process as adult-to-adult right lobe living donor liver transplantation (LDLTx) demands a successful outcome, and exact knowledge of the biliary tree is implicated to avoid biliary complications, postoperatively.METHODS: After starting the LDLTx program, 18 liver transplant candidates were selected for LDLTx by a stepwise evaluation process. ERC and standard T2-weighted MRC were performed to evaluate the biliary system of the donor liver. The anatomical findings of ERC and MRC mapping were compared using the Ohkubo classification. RESULTS: ERC allowed mapping of the whole biliary system in 15/15 (100%) cases, including 14/15 (93.3%) with biliary variants while routine MRC was only accurate in 2/13 (15.4%) cases. MRC was limited in depicting the biliary system proximal of the hepatic bifurcation. Postoperative biliary complications occurred in 2 donors and 8 recipients. Biliary complications were associated with Ohkubo type C, E or G in 6/8 recipients, and 2/3 recipients with biliary leak received a graft with multiple (≥2) bile ducts. CONCLUSION: Pretransplant ERC is safe and superior over standard MRC for detection of biliary variations that occur with a high frequency. However, precise knowledge of biliary variants did not reduce the incidence of postoperative biliary complications.Perdita Wietzke-Braun Felix Braun Dieter Müller Thomas Lorf Burckhardt Ringe Giuliano Ramadori 2006World Journal of Gastroenterology2006,12,36:5
12Predictive factors of short term outcome after liver transplantation: A review显示文摘Liver transplantation represents a fundamental therapeutic solution to end-stage liver disease. The need for liver allografts has extended the set of criteria for organ acceptability, increasing the risk of adverse outcomes. Little is known about the early postoperative parameters that can be used as valid predictive indices for early graft function, retransplantation or surgical reintervention, secondary complications, long intensive care unit stay or death. In this review, we present state-of-the-art knowledge regarding the early posttransplantation tests and scores that can be applied during the first postoperative week to predict liver allograft function and patient outcome, thereby guiding the therapeutic and surgical decisions of the medical staff. Post-transplant clinical and biochemical assessment of patients through laboratory tests(platelet count, transaminase and bilirubin levels, INR, factor V, lactates, and Insulin Growth Factor 1) and scores(model for end-stage liver disease, acute physiology and chronic health evaluation, sequential organ failure assessment and model of early allograft function have been reported to have good performance, but they only allow late evaluation of patient status and graft function, requiring days to be quantified. The indocyanine green plasma disappearance rate has long been used as a liver function assessment technique and has produced interesting, although not univocal, results when performed between the 1th and the 5th day after transplantation. The liver maximal function capacity test is a promising method of metabolic liver activity assessment, but its use is limited by economic cost and extrahepatic factors. To date, a consensual definition of early allograft dysfunction and the integration and validation of the above-mentioned techniques, through the development of numerically consistent multicentric prospective randomised trials, are necessary. The medical and surgical management of transplanted patients could be greatly improved by using clinically reliable tools to predict early graft function.Giuliano Bolondi Federico Mocchegiani Roberto Montalti Daniele Nicolini Marco Vivarelli Lesley De Pietri 2016World Journal of Gastroenterology2016,22,26:5
13Initial steroid-free immunosuppression after liver transplantation in recipients with hepatitis c virus related cirrhosis显示文摘AIM: Steroids can increase hepatitis C virus (HCV) replication. After liver transplantation (LTx), steroids are commonly used for immunosuppression and acute rejection is usually treated by high steroid dosages. Steroids can worsen the outcome of recurrent HCV infection. Therefore,we evaluated the outcome of HCV infected liver recipients receiving initial steroid-free immunosuppression.METHODS: Thirty patients undergoing LTx received initial steroid-free immunosuppression. Indication for LTx included 7 patients with HCV related drrhosis. Initial immunosuppression consisted of tacrolimus 2x0.05 mg/kg.d po and mycophenolate mofetil (MMF) 2x15 mg/kg.d po. The tacrolimus dosage wasa djusted to trough levels in the target range of 10-15 μg/Ldudng the first 3 mo and 5-10 μg/L thereafter. Manifestations of acute rejection were verified histologically.RESULTS: Patient and graft survival of 30 patients receiving initial steroid-free immunosuppression was 86% and 83% at 1 and 2 years. Acute rejection occurred in 8/30 patients,including 1 HCV infected recipient. All HCV-infected patients had HCV genotype II (lb). HCV seropositivity occurred within the first 4 mo after LTx. The virus load was not remarkably increased during the first year after LTx. Histologically, grafts had no severe recurrent hepatitis.CONCLUSION: From our experience, initial steroid-free immunosuppression does not increase the risk of acute rejection in HCV infected liver recipients. Furthermore, none of the HCV infected patients developed serious chronic liver diseases. It suggests that it may be beneficial to avoid steroids in this particular group of patients after LTx.Perdita Wietzke-Braun Felix Braun Burckhart Sattler Giuliano Ramadori Burckhardt Ringe 2004World Journal of Gastroenterology2004,10,15:5
14Efficacy of a therapeutic strategy for eradication of Helicobacter pylori infection显示文摘AIM: To determine the efficacy of our therapeutic strategy for Helicobacter pylori (H. pylori) eradication and to identify predictive factors for successful eradication. METHODS: From April 2006 to June 2010, we retrospectively assessed 2428 consecutive patients (1025 men, 1403 women; mean age 55 years, age range 18-92 years) with gastric histology positive for H. pylori infection referred to our unit for 13-C urea breath test(UBT), after first-line therapy with proton pump inhibitor (PPI) b.i.d. + amoxicillin 1 g b.i.d. + clarithromycin 500 mg b.i.d. for 7 d. Patients who were still positive to UBT were recommended a second-line therapy (PPI b.i.d. + amoxicillin 1 g b.i.d. + tinidazole 500 mg b.i.d. for 14 d). Third choice treatment was empirical with PPI b.i.d. + amoxicillin 1 g b.i.d. + levofloxacin 250 mg b.i.d. for 14 d. RESULTS: Out of 614 patients, still H. pylori-positive after first-line therapy, only 326 and 19 patients respectively rechecked their H. pylori status by UBT after the suggested second and third-line regimens. 'Per protocol' eradication rates for first, second and thirdline therapy were 74.7% (95% CI: 72.7%-76.4%), 85.3% (95% CI: 81.1%-89.1%) and 89.5% (95% CI: 74.9%-103%) respectively. The overall percentage of patients with H. pylori eradicated after two treatments was 97.8% (95% CI: 97.1%-98.4%), vs 99.9% (95% CI: 99.8%-100%) after three treatments. The study found that eradication therapy was most effective in patients with ulcer disease (P < 0.05, P = 0.028), especially in those with duodenal ulcer. Smoking habits did not significantly affect the eradication rate. CONCLUSION: First-line therapy with amoxicillin and clarithromycin produces an H. pylori eradication rate comparable or superior to other studies and secondline treatment can still be triple therapy with amoxicillin and tinidazole.Giuliana Sereni Francesco Azzolini Lorenzo Camellini Debora Formisano Francesco Decembrino Veronica Iori Cristiana Tioli Maurizio Cavina Francesco Di Mario Giuliano Bedogni Romano Sassatelli 2012World Journal of Gastroenterology2012,18,33:4
15Guidelines on Male Sexual Dysfunction: Erectile Dysfunction and Premature Ejaculation显示文摘Konstantinos Hatzimouratidis Edouard Amar Ian Eardley Francois Giuliano Dimitrios Hatzichristou Francesco Montorsi Yoram Vardi Eric Wespes 2010European Urology2010,,5:3
16DNA methylation of embryogenic carrot cell cultures and its variations as caused by mutation, differentiation, hormones and hypomethylating drugs显示文摘F. LoSchiavo L. Pitto G. Giuliano G. Torti V. Nuti-Ronchi D. Marazziti R. Vergara S. Orselli M. Terzi 1989Theoretical and Applied Genetics1989,,3:3
17γ-Glutamyltransferase activity in human atherosclerotic plaques—Biochemical similarities with the circulating enzyme显示文摘Maria Franzini Alessandro Corti Barbara Martinelli Antonella Del Corso Michele Emdin Giuliano F. Parenti Mattia Glauber Alfonso Pompella Aldo Paolicchi 2008Atherosclerosis2008,,1:2
18Reduced levels of N-terminal-proatrial natriuretic peptide in hypertensive patients with metabolic syndrome and their relationship with left ventricular mass显示文摘Speranza Rubattu Sebastiano Sciarretta Giuseppino Massimo Ciavarella Vanessa Venturelli Paola De Paolis Giuliano Tocci Luciano De Biase Andrea Ferrucci Massimo Volpe 2007Journal of Hypertension2007,,4:2
19Outcomes after resection of locally advanced or borderline resectable pancreatic cancer after neoadjuvant therapy显示文摘Giuliano Barugola Stefano Partelli Stefano Crippa Paola Capelli Mirko D’Onofrio Paolo Pederzoli Massimo Falconi 2012The American Journal of Surgery2012,,2:2
20Right Living Donor Liver Transplantation: An Option for Adult Patients: Single Institution Experience With 74 Patients显示文摘Massimo Malagó Giuliano Testa Andrea Frilling Silvio Nadalin Camino Valentin-Gamazo Andreas Paul Hauke Lang Ulrich Treichel Vito Cicinnati Guido Gerken Christoph Erich Broelsch 2003Annals of Surgery2003,,6:2
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