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| 1 | Feasibility and safety of autologous bone marrow mononuclear cell transplantation in patients with advanced chronic liver disease显示文摘AIM: To evaluate the safety and feasibility of bone marrow cell (BMC) transplantation in patients with chronic liver disease on the waiting list for liver transplantation. METHODS: Ten patients (eight males) with chronic liver disease were enrolled to receive infusion of autologous bone marrow-derived cells. Seven patients were classified as Child-Pugh B and three as Child-Pugh C. Baseline assessment included complete clinical and laboratory evaluation and abdominal MRI. Approximately 50 ml of bone marrow aspirate was prepared by centrifugation in a ficoll-hypaque gradient. At least of 100 millions of mononuclear-enriched BMCs were infused into the hepatic artery using the routine technique for arterial chemoembolization for liver tumors. Patients were followed up for adverse events up to 4 mo. RESULTS: The median age of the patients was 52 years (range 24-70 years). All patients were discharged 48 h after BMC infusion. Two patients complained ofmild pain at the bone marrow needle puncture site. No other complications or specific side effects related to the procedure were observed. Bilirubin levels were lower at 1 (2.19 ± 0.9) and 4 mo (2.10 ± 1.0) after cell transplantation that baseline levels (2.78 ± 1.2). Albumin levels 4 mo after BMC infusion (3.73 ± 0.5) were higher than baseline levels (3.47 ± 0.5). International normalized ratio (INR) decreased from 1.48 (SD = 0.23) to 1.43 (SD = 0.23) one month after cell transplantation. CONCLUSION: BMC infusion into hepatic artery of patients with advanced chronic liver disease is safe and feasible. In addition, a decrease in mean serum bilirubin and INR levels and an increase in albumin levels are observed. Our data warrant further studies in order to evaluate the effect of BMC transplantation in patients with advanced chronic liver disease. | Andre Castro lyra Milena Botelho Pereira Soares luiz Flavio Maia da Silva Marcos Fraga Fortes André Goyanna Pinheiro Silva Augusto César de Andrade Mota Sheilla A Oliveira Eduardo lorens Braga Wilson Andrade de Carvalho Bernd Genser Ricardo Ribeiro dos Santos luiz Guilherme Costa lyra | 2007 | World Journal of Gastroenterology2007,13,7: | 21 |
| 2 | Open abdomen in gastrointestinal surgery:Which technique is the best for temporary closure during damage control?显示文摘AIM To compare the 3 main techniques of temporary closure of the abdominal cavity,vacuum assisted closure(vacuum-assisted closure therapy- VAC),Bogota bag and Barker technique,in damage control surgery.METHODS After systematic review of the literature,33 articles were selected to compare the efficiency of the three procedures.Criteria such as cost,infections,capacity of reconstruction of the abdominal wall,diseases associated with the technique,among others were analyzed.RESULTS The Bogota bag and Barker techniques present as advantage the availability of material and low cost,what is not observed in the VAC procedure.The VAC technique is the most efficient,not only because it reduces the tension on the boarders of the lesion,but also removes stagnant fluids and debris and acts at cellular level increasing cell proliferation and division.Bogota bag presents the higher rates of skin laceration and evisceration,greater need for a stent for draining fluids and wash-ups,higher rates of intestinal adhesion to the abdominal wall.The Barker technique presents lack of efficiency in closing the abdominal wall and difficulty on maintaining pressure on the dressing.The VAC dressing can generate irritation and dermatitis when the drape is applied,in addition to pain,infection and bleeding,as well as toxic shock syndrome,anaerobic sepsis and thrombosis.CONCLUSION The VAC technique,showed to be superior allowing a better control of liquid on the third space,avoiding complications such as fistula with small mortality,low infection rate,and easier capability on primary closure of the abdominal cavity. | Marcelo A F Ribeiro Junior Emily Alves Barros Sabrina Marques de Carvalho Vinicius Pereira Nascimento José Cruvinel Neto Alexandre Zanchenko Fonseca | 2016 | World Journal of Gastrointestinal Surgery2016,8,8: | 9 |
| 3 | Pharmacological therapy used in the elimination of Helicobacter pylori infection:A review显示文摘The optimal therapy for Helicobacter pylori(H.pylori) infection should combine a high cure rate and a short treatment duration with a favorable side-effect profile and should maintain a low cost.Several strategies have been proposed to increase the H.pylori eradication rate,including the extension of the treatment duration to 14 d,the use of a four-drug regimen(quadruple,sequential,and concomitant treatments),and the use of novel antibiotics,such as levofloxacin.However,triple therapy remains the most widely accepted firstline treatment regimen in Brazil and the United Statesand throughout Europe.Because this therapy is limited by resistance to clarithromycin,other therapeutic regimens have been investigated worldwide.This review describes the current literature involving studies directly comparing these different therapies and their efficacies. | Ariolana A dos Santos Adriana A Carvalho | 2015 | World Journal of Gastroenterology2015,21,1: | 7 |
| 4 | Lymphocyte subsets in alcoholic liver disease显示文摘AIM:To compare lymphocyte subsets between healthy controls and alcoholics with liver disease.METHODS:The patient cohort for this study included individuals who were suspected to have alcoholic liver disease(ALD) and who had undergone liver biopsy(for disease grading and staging,doubts about diagnosis,or concurrent liver disease;n = 56).Normal controls included patients who were admitted for elective cholecystectomy due to non-complicated gallstones(n = 27).Formalin-fixed,paraffin-embedded liver biopsy specimens were sectioned and stained with hematoxylin and eosin and Perls' Prussian blue.The non-alcoholic steatohepatitis score was used to assess markers of ALD.Lymphocyte population subsets were determined by flow cytometry.T lymphocytes were identified(CD3+),and then further subdivided into CD4+ or CD8+ populations.B lymphocytes(CD19+) and natural killer(NK) cell numbers were also measured.In addition to assessing lymphocyte subpopulation differences between ALD patients and controls,we also compared subsets of alcoholic patients without cirrhosis or abstinent cirrhotic patients to normal controls.RESULTS:The patient cohort primarily consisted of older men.Active alcoholism was present in 66.1%.Reported average daily alcohol intake was 164.9 g and the average lifetime cumulative intake was 2211.6 kg.Cirrhosis was present in 39.3% of the patients and 66.1% had significant fibrosis(perisinusoidal and portal/periportal fibrosis,bridging fibrosis,or cirrhosis) in their liver samples.The average Mayo end-stage liver disease score was 7.6.No hereditary hemochromatosis genotypes were found.ALD patients(n = 56) presented with significant lymphopenia(1.5 × 109/L ± 0.5 × 109/L vs 2.1 × 109/L ± 0.5 × 109/L,P < 0.0001),due to a decrease in all lymphocyte subpopulations,except for NK lymphocytes:CD3+(1013.0 ± 406.2/mm3 vs 1523.0 ± 364.6/mm3,P < 0.0001),CD4+(713.5 ± 284.7/mm3 vs 992.4 ± 274.7/mm3,P < 0.0001),CD8+(262.3 ± 140.4/mm3 vs 478.9 ± 164.6/mm3,P < 0.0001),and CD19+(120.6 ± 76.1/mm3 vs 264.6 ± 88.0/mm3,P < 0.0001).CD8+ lymphocytes suffered the greatest reduction,as evidenced by an increase in the CD4+/CD8+ ratio(3.1 ± 1.3 vs 2.3 ± 0.9,P = 0.013).This ratio was associated with the stage of fibrosis on liver biopsy(rs = 0.342,P = 0.01) and with Child-Pugh score(rs = 0.482,P = 0.02).The number of CD8+ lymphocytes also had a positive association with serum ferritin levels(rs = 0.345,P = 0.009).Considering only patients with active alcoholism but not cirrhosis(n = 27),we found similar reductions in total lymphocyte counts(1.8 × 109/L ± 0.3 × 109/L vs 2.1 × 109/L ± 0.5 × 109/L,P = 0.018),and in populations of CD3+(1164.7 ± 376.6/mm3 vs 1523.0 ± 364.6/mm3,P = 0.001),CD4+(759.8 ± 265.0/mm3 vs 992.4 ± 274.7/mm3,P = 0.003),CD8+(330.9 ± 156.3/mm3 vs 478.9 ± 164.6/mm3,P = 0.002),and CD19+(108.8 ± 64.2/mm3 vs 264.6 ± 88.0/mm3,P < 0.0001).In these patients,the CD4+/CD8+ ratio and the number of NK lymphocytes was not significantly different,compared to controls.Comparing patients with liver cirrhosis but without active alcohol consumption(n = 11),we also found significant lymphopenia(1.3 × 109/L ± 0.6 × 109/L vs 2.1 × 109/L ± 0.5 × 109/L,P < 0.0001) and decreases in populations of CD3+(945.5 ± 547.4/mm3 vs 1523.0 ± 364.6/mm3,P = 0.003),CD4+(745.2 ± 389.0/mm3 vs 992.4 ± 274.7/mm3,P = 0.032),CD8+(233.9 ± 120.0/mm3 vs 478.9 ± 164.6/mm3,P < 0.0001),and CD19+(150.8 ± 76.1/mm3 vs 264.6 ± 88.0/mm3,P = 0.001).The NK lymphocyte count was not significantly different,but,in this group,there was a significant increase in the CD4+/CD8+ ratio(3.5 ± 1.3 vs 2.3 ± 0.9,P = 0.01).CONCLUSION:All patient subsets presented with decreased lymphocyte counts,but only patients with advanced fibrosis presented with a significant increase in the CD4+/CD8+ ratio. | Luís Costa Matos Paulo Batista Nuno Monteiro Joo Ribeiro Maria A Cipriano Pedro Henriques Fernando Giro Armando Carvalho | 2013 | World Journal of Hepatology2013,5,2: | 4 |
| 5 | Thiopurine-methyltransferase variants in inflammatory bowel disease:Prevalence and toxicity in Brazilian patients显示文摘AIM:To analyze the prevalence of thiopurine-methyltransferase(TPMT)genotypes and their associationwith drug toxicity in inflammatory bowel disease(IBD)patients from southeastern Brazil.METHODS:A total of 219 consecutive patients with IBD,of which 146 had Crohn’s disease and 73 had ulcerative colitis,regularly seen at the outpatient unit of the Division of Gastroenterology at the University Hospital Pedro Ernesto of the State University of Rio de Janeiro,a tertiary referral center,were enrolled in this study from February 2009 to January 2011.We analyzed the presence of major TPMT genetic variants(TPMT*2,*3A,*3C)in IBD patients by means of a specific allele and RFLP-PCR.Genomic DNA was isolated from peripheral blood leukocytes by proteinase-K/Sodium Dodecyl Sulfate digestion and phenol-chloroform extraction.TPMT*2(C238G),TPMT*3A(G460A/A719G),and TPMT*3C(A719G)genotypes were detected by real-time polymerase chain reaction followed by direct sequencing with specific primers.Clinical data were systematically recorded,and correlated with the genotype results.RESULTS:The distribution of the selected TPMT gene polymorphism TPMT*2(C238G),TPMT*3A(G460A/A719G),and TPMT*3C(A719G)genotypes was 3.6%,5.4%,and 7.7%of the patients,respectively.Among the side effects recorded from patients taking azathioprine,14 patients presented with pancreatitis and/or an elevation of pancreatic enzymes,while 6 patients had liver toxicity,and 2 patients exhibited myelosuppression/neutropenia.TPMT polymorphisms were detected in 37/219 patients(8 heterozygous for*2,11 heterozygous for*3A,and 18 heterozygous for*3C).No homozygotic polymorphisms were found.Despite the prevalence of the TPMT*3C genotype,no differences among the genotype frequencies were significant.Although no association was detected regarding myelotoxicity or hepatotoxicity,a trend towards the elevation of pancreatic enzymes was observed for TPMT*2 and TPMT*3C genotypes.CONCLUSION:The prevalence of TPMT genotypes was high among Brazilian patients.Variants genes*2and*3C may be associated with azathioprine pancreatic toxicity in a IBD southeastern Brazilian population. | Ana Teresa P Carvalho Barbara C Esberard Renata S B Fróes Davy C M Rapozo Ana B Grinman Tatiana A Simo Juliana C V C Santos Antonio José V Carneiro Luis Felipe Ribeiro-Pinto Heitor S P de Souza | 2014 | World Journal of Gastroenterology2014,20,12: | 3 |
| 6 | Lack of microRNA‐101 causes E‐cadherin functional deregulation through EZH2 up‐regulation in intestinal gastric cancer显示文摘 | Joana Carvalho Nicole C van Grieken Patricia M Pereira Sónia Sousa Marianne Tijssen Tineke E Buffart Bego?a Diosdado Heike Grabsch Manuel AS Santos Gerrit Meijer Raquel Seruca Beatriz Carvalho Carla Oliveira | 2012 | J Pathol2012,,1: | 3 |
| 7 | 日粮中添加氨基酸降低粗蛋白含量对6~15kg仔猪生产性能的影响显示文摘为评价添加氨基酸降低粗蛋白(CP)含量对6~15 kg仔猪的影响,共设计两个试验。在性能试验中(试验Ⅰ),21日龄、初始体重为5.95±0.33 kg的断奶仔猪120头被分成5组。试验为完全随机区组试验设计,共8个重复,每个重复3只猪。在5个处理组中,CP含量由21.0%降低到15.0%(分别为21.0%,19.5%,18.0%,16.5%和15.0%),通过添加L-赖氨酸、DL-蛋氨酸、L-苏氨酸、L-色氨酸、L-缬氨酸和L-异亮氨酸来满足日粮中氨基酸的需求。各处理间生产性能无显著差异。因此,以上蛋白质的任何水平都能被有效的合成氨基酸。降低蛋白质的含量可以增加必需氨基酸和非必需氨基酸的比值,且蛋白质含量为15%时比值最佳(5347)。随着蛋白质含量的降低,尿素含量线性下降(试验Ⅰ)。为评估氮平衡(试验Ⅱ),21日龄的杂交阉割商品仔猪20只被随机分成5组,仔猪的平均活重为10.79±2.19kg。5个处理组的所有动物安置在铁笼中,每个处理4个重复,每个重复1只猪。结果血液和尿液中尿素含量随蛋白质含量的减少线性降低(P〈0.05),进而减少了动物向环境中的氮排泄。 | Toledo J B Furlan A C Pozza P C Pianob L M Carvalho P L O Peuela-Sierra L M Huepa L M D | 2014 | 饲料博览2014,0,11: | 3 |
| 8 | Over expression of platelet derived growth factor receptor alpha in breast cancer is associated with tumour progression显示文摘 | CARVALHO I MILANEZI F MARTINS A | 2005 | Breast Cancer Res2005,7,5: | 1 |
| 9 | Fructosyl transferase and hydrolase activities in rhizophores and tuberous roots upon growth of Polymnia sonchifoliu ( Asteraceae ) 显示文摘 | Itaya N M De Carvalho M A M Figueiredo-Ribeiro R D L | 2002 | Physiol Plant2002,116,4: | 1 |
| 10 | GDNF modulates HO-1 expression in substantia nigra postnatal cell cultures 显示文摘 | Saavedra A Baltazar G Carvalho CM | 2005 | Free Radic Biol Med2005,39,12: | 1 |
| 11 | Transmission capacity: availability, maximum, transfer and reliability显示文摘 | Leite da S A M de Carvalho C J G da Fonseca M L A | 2002 | IEEE Transactions on Power Systems2002,17,3: | 1 |
| 12 | Borealin : A novel chromosomal passenger required for stability of the bipolar mi- totic spindle 显示文摘 | Gassmann R Carvalho A Henzing A J | 2004 | J Cell Biology2004,166,2: | 1 |
| 13 | An inverse scattering series method for attenuating multiples in seismic reflection data显示文摘 | Weglein A B Gasparotto F A Carvalho P M Stolt R H | 1997 | Geophysics1997,62,: | 1 |
| 14 | Isolation and immunophenotypic characterization of mesenchymal stem cells derived from equine species adipose tissue显示文摘 | de Mattos Carvalho A Aires AL Golim MA | 2009 | Vet Immunol Immunopathol2009,132,24: | 1 |
| 15 | Morphological, mechanical andthermal properties of nylon 6/ABS blends using glycidyl methacrylate-methyl methacrylate co-polymers 显示文摘 | Araujo E M Hage E Carvalho A J F | 2005 | Journal of Materials Science2005,40,16: | 1 |
| 16 | A Hybrid Decision Tree/Genetic Algorithm Method for Data Mining显示文摘 | Carvalho D R Freitas A A | 2004 | Information Sciences2004,163,3: | 1 |
| 17 | Oil-in-water microemulsions as mobile phases in liquid chromatography显示文摘 | BETHOD A CARVALHO M D | | 0,,19: | 1 |
| 18 | Effects of herbivory by Hyblaea puera ( Hyblaeidae : Lepidop- tera) on litter production in the mangrove on the coast of Brazi- lian Amazonia显示文摘 | FERNANDES M E B NASCIMENTO A A M CARVALHO M L | 2009 | Journal of Tropical Ecology2009,25,3: | 1 |
| 19 | Numerical characterization of the morphology of aggregated particles 显示文摘 | BRASIL A M FARIAS T L CARVALHO M G | 2001 | Journal of Aerosol Science2001,32,: | 1 |
| 20 | Discrete wavelet transform wignal analyzer显示文摘 | Cox P H CARVALHO A A | 2007 | IEEE Transactions on Instrumentation and Measurement2007,56,5: | 1 |