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| 1 | Conventional therapy for moderate to severe inflammatory bowel disease: A systematic literature review显示文摘BACKGROUND Despite the advent of biological drugs, conventional therapy continues to be used in moderate to severe inflammatory bowel disease(MS-IBD). This study hypothesized that as a standard of treatment and the primary alternative to biologics, conventional therapy should present robust effectiveness results in IBD outcomes.AIM To investigate the effectiveness of conventional therapy for MS-IBD.METHODS A systematic review with no time limit was conducted in July 2017 through the Cochrane Collaboration, MEDLINE, and LILACS databases. The inclusion criteria encompassed meta-analyses, systematic reviews, randomized clinical trials, observational and case-control studies concerning conventional therapy in adult patients with MS-IBD, including Crohn's disease(CD) and ulcerative colitis(UC). Corticosteroids(prednisone, hydrocortisone, budesonide, prednisolone,dexamethasone), 5-aminosalicylic acid(5-ASA) derivatives(mesalazine and sulfasalazine) and immunosuppressants [azathioprine(AZA), methotrexate(MTX), mycophenolate, cyclosporine, tacrolimus, 6-mercaptopurine(6-MP)] were considered conventional therapy. The exclusion criteria were sample size below50; narrative reviews; specific subpopulations(e.g., pregnant women,comorbidities); studies on postoperative IBD; and languages other than English,Spanish, French or Portuguese. The primary outcome measures were clinical remission(induction or maintenance), clinical response and mucosal healing. As secondary outcomes, fecal calprotectin, hospitalization, death, and surgeries were analyzed. The quality of the evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation criteria.RESULTS The search strategy identified 1995 citations, of which 27 were considered eligible(7 meta-analyses, 20 individual studies). For induction of clinical remission, four meta-analyses were selected(AZA and 6-MP showed no advantage over placebo,MTX or 5-ASA in CD; MTX showed no statistically significant difference versus placebo, 6-MP, or 5-ASA in UC; tacrolimus was superior to placebo for UC in two meta-analyses). Only one meta-analysis evaluated clinical remission maintenance, showing no statistically significant difference between MTX and placebo, 5-ASA, or 6-MP in UC. AZA and 6-MP had no advantage over placebo in induction of clinical response in CD. Three meta-analyses showed the superiority of tacrolimus vs placebo for induction of clinical response in UC. The clinical response rates for cyclosporine were 41.7% in randomized controlled trials(RCTs) and 55.4% in non-RCTs for UC. For induction of mucosal healing,one meta-analysis showed a favorable rate with tacrolimus versus placebo for UC. For secondary outcomes, no meta-analyses specifically evaluated fecal calprotectin, hospitalization or death. Two meta-analyses were retrieved evaluating colectomy rates for tacrolimus and cyclosporine in UC. Most of the twenty individual studies retrieved contained a low or very low quality of evidence.CONCLUSION High-quality evidence assessing conventional therapy in MS-IBD treatment is scarce, especially for remission maintenance, mucosal healing and fecal calprotectin. | Adérson Omar Mourao Cintra Damiao Matheus Freitas Cardoso de Azevedo Alexandre de Sousa Carlos Marcela Yumi Wada Taciana Valéria Marcolino Silva Flávio de Castro Feitosa | 2019 | World Journal of Gastroenterology2019,25,9: | 13 |
| 2 | Update on hepatitis B and C virus diagnosis显示文摘Viral hepatitis B and C virus(HBV and HCV) are responsible for the most of chronic liver disease worldwide and are transmitted by parenteral route, sexual and vertical transmission. One important measure to reduce the burden of these infections is the diagnosis of acute and chronic cases of HBV and HCV. In order to provide an effective diagnosis and monitoring of antiviral treatment, it is important to choose sensitive, rapid, inexpensive, and robust analytical methods. Primary diagnosis of HBV and HCV infection is made by using serological tests for detecting antigens and antibodies against these viruses. In order to confirm primary diagnosis, to quantify viral load, to determine genotypes and resistance mutants for antiviral treatment, qualitative and quantitative molecular tests are used. In this manuscript, we review the current serological and molecular methods for the diagnosis of hepatitis B and C. | Livia Melo Villar Helena Medina Cruz Jakeline Ribeiro Barbosa Cristianne Sousa Bezerra Moyra Machado Portilho Letícia de Paula Scalioni | 2015 | World Journal of Virology2015,4,4: | 9 |
| 3 | “徒手针刺影响健康人和中风后遗症患者肱二头肌功能的即时效果的平行随机对照试验”的研究方案(英文)显示文摘背景:中风作为一种疾病,中医早在2 000多年前即有诸多经典著作对其进行描述。然而,大部分有关针刺对中风后遗症患者功能恢复的疗效的临床对照试验未能得出针刺具有长期疗效的结论。并且,很多试验以表面肌电图测量患者骨骼肌的电活动以评定针刺刺激的即时疗效的结论也不一致。这些研究结果对针刺在神经肌肉水平的作用提出了质疑。本研究旨在比较徒手针刺影响健康人和中风后肌张力亢进患者的肱二头肌功能及力量的即时效果。方法与设计:本研究拟开展含有4个平行对照组的随机单盲临床试验。分别针刺健康受试者及中风后遗症痉挛性轻瘫患者的曲池(LI11)及天泉(PC2)2个穴位。表面肌电图测量针刺对于肌肉功能的即时疗效及肱二头肌的等长张力作为主要结局指标。次要结局指标包括每组中医证候的出现频率及频率分布。讨论:本研究的临床试验设计在方法学上较之前的类似试验有些改善。预计这一研究能够证实针刺刺激对健康人及中风后遗症患者的神经肌肉的作用。临床试验注册:巴西临床试验注册(www.ensaiosclinicos.gov.br,注册号为RBR-5g7xqh). | Ana Paula de Sousa Fragoso Arthur de Sá Ferreira | 2012 | 中西医结合学报2012,10,3: | 8 |
| 4 | In vitro antibacterial effect of aqueous and ethanolic Moringa leaf extracts显示文摘Objective:To evaluate the antibacterial effect of aqueous and ethanolic moringa leaf extracts (Moringa oleifera) on the growth of gram-positive and negative bacteria.Methods:Paper disks were soaked with 100,200,300 and 400μL of extract at 20 g/180mL and 10 g/190 mL.All extracts were tested against Escherichia coli(ATCC25922),Staphylococcus aureus(ATCC25923),Vibrio parahaemolyticus,Enterococcus faecalis(ATCC29212),Pseudomonas aeruginosa(ATCC27853), Salmonella enteritidis(IH) and Aeromonas caviae.The susceptibility tests were performed using the modified disk diffusion method.Results:The strains E.coli,P.aeruginosa and S.enteritidis (IH) were resistant to all treatments.In general,disks with 400μL extract were the most efficient against S.aureus,V.parahaemolyticus,E.faecalis and A.caviae.Conclusions:The study indicates a promising potential for aqueous and ethanolic Moringa leaf extracts as alternative treatment of infections caused by the tested strains. | Jackson Rafael Oliveira Peixoto Giselle Cristina Silva Renata Albuquerque Costa Joseires Lira de Sousa Fontenelle Gustavo Hitzschky Fernandes Vieira Antonio Adauto Fonteles Filho Regine Helena Silva dos Fernandes Vieira | 2011 | Asian Pacific Journal of Tropical Medicine2011,4,3: | 7 |
| 5 | 大气二氧化氮与每日总死亡率、心血管和呼吸系统疾病死亡率的短期关联:398个城市的多中心分析显示文摘目的:采用统一的分析方案,评估全球多个国家/地区的二氧化氮(NO_(2))与总死亡率、心血管和呼吸系统疾病死亡率之间的短期关联。研究设计:采用两阶段的时间序列分析方法、过度离散的广义线性模型和多水平meta分析。研究地点:22个低到高收入国家/地区的398个城市。主要结局指标:1973—2018年逐日总死亡人数(6280万人)、心血管疾病死亡人数(1970万人)和呼吸系统疾病死亡人数(550万人)。结果:平均而言,NO_(2)浓度在滞后1天(前1天)每增加10μg/m^(3),会导致总死亡率、心血管和呼吸系统疾病死亡率分别增加0.46%(95%可信区间0.36%~0.57%)、0.37%(0.22%~0.51%)、0.47%(0.21%~0.72%)。在对共污染物(PM_(10)、PM_(2.5)、臭氧、二氧化硫和一氧化碳)进行调整后,这些关联仍然很稳定。所有3种死因的暴露-反应曲线几乎是线性的,没有明显的阈值。在398个城市中,可归因于高过假定零水平的NO_(2)浓度造成的死亡比例为1.23%(95%可信区间0.96%~1.51%)。结论:这项多中心研究提供了关于NO_(2)短期暴露与总死亡率、心血管和呼吸系统死亡风险之间的独立和线性关联的关键证据,说明通过加强NO_(2)的控制和监管限制标准,可获得人群水平的健康收益。 | 孟夏 刘聪(校) 陈仁杰 郑湃(译) 阚海东(校) Francesco Sera Ana Vicedo-Cabrera Ai Milojevic Maria Guo Yuming Tong Shilu Micheline de Sousa Zanotti Stagliorio Coelh Paulo Hilario Nascimento Saldiva Eric Lavigne Patricia Matus Correa Nicolas Valdes Ortega Samuel Osorio Garcia Jan Kysely Ales Urban Hans Orru Marek Maasikmets Jouni J K Jaakkola Niilo Ryti Veronika Huber Alexandra Schneider Klea Katsouyanni Antonis Analitis Masahiro Hashizume Yasushi Honda Chris Fook Sheng Ng Baltazar Nunes João Paulo Teixeira Iulian Horia Holobaca Simona Fratianni Ho Kim Aurelio Tobias Carmeníniguez Bertil Forsberg ChristoferÅström Martina S Ragettli Yue-Liang Leon Guo Shih-Chun Pan Shanshan Li Michelle L Bell Antonella Zanobetti Joel Schwartz Tangchun Wu Antonio Gasparrini | 2021 | 英国医学杂志中文版2021,24,8: | 7 |
| 6 | Pediatric primary urolithiasis: Symptoms, medical management and prevention strategies显示文摘In the past few decades pediatric urolithiasis has become more frequent. The reason for this increase is not completely clear but has been attributed to changes in climate, nutritional habits and possibly other environmental factors. Although less frequent than adult stone disease, urolithiasis in the pediatric age group is also related to significant morbidity, particularly since stones tend to recur, and, thus, should not be underestimated. Most children with idiopathic stone disease have an underlying metabolic abnormality substantiating the importance of metabolic evaluation already following initial diagnosis of urolithiasis. Identification of the metabolic abnormality allows for more specific prescription of non pharmacological and pharmacological interventions aimed at preventing recurrent stone formation. A better understanding of the causes of kidney stone disease will provide better strategies for stone prevention in children. | Maria Goretti Moreira Guimar?es Penido Marcelo de Sousa Tavares | 2015 | World Journal of Nephrology2015,4,4: | 4 |
| 7 | Executive Compensation and Corporate Financial Performance: Empirical Evidences on Brazilian Industrial Companies显示文摘 | Elizabeth Krauter Almir Ferreira de Sousa | 2013 | Journal of Modern Accounting and Auditing2013,9,5: | 4 |
| 8 | Lineage-specific distribution of high levels of genomic 5-hydroxymethylcytosine in mammalian development显示文摘cytosine 的 Methylation 是与基因压抑联系的 DNA 修正。最近,新奇 cytosine 修正, 5-hydroxymethylcytosine (5-hmC ) 被发现了。这里,我们在哺乳动物的开发期间并且在细胞的系统检验 5-hmC 分发,并且证明 5-hmC 的发展动力学与 5-methylcytosine (5-mC ) 的那些不同;特别地 5-hmC 与成年纸巾相比在胚胎的上下文被充实。一个可检测的 5-hmC 信号在在父亲的染色体受到 5-mC 的染色体宽的 hydroxylation 的地方,在接合子阶段开始的培植前开发出现,它精确在父亲的前核与 5-mC 信号的损失与一致。5-hmC 的层次与在老鼠的表示 nestin 房间人口在在胚囊,和修正 colocalises 的内部房间团的房间高培植以后的胚胎。比作另外的成年哺乳动物的机关, 5-hmC 强烈在骨头髓和大脑被充实, 5-hmC 内容在那里高是 neuronal 祖先和 mitotic 以后神经原的一个特征。我们证明 5-hmC 的那高水平是在老鼠和人的胚胎的干细胞(转换字符) 的不仅现在并且,在区别期间输以前被报导了,而且在导致的 pluripotent 干细胞的产生期间重现;因此, 5-hmC 丰富与一个 pluripotent 房间状态相关。我们的调查结果建议除了 neuronal 系的房间, genomic 5-hmC 的高水平是胚胎的房间人口和细胞的 pluri 系和多系力量的一个 epigenetic 特征。到我们的知识, 5-hmC 那么代表其丰富是的发现的 DNA 的第一 epigenetic 修正房间类型特定。 | Alexey Ruzov Yanina Tsenkina Andrea Serio Tatiana Dudnakova Judy Fletcher Yu Bai Tatiana Chebotareva Steve Pells Zara Hannoun Gareth Sullivan Siddharthan Chandran David C Hay Mark Bradley Ian Wilmut Paul De Sousa | 2011 | Cell Research2011,21,9: | 4 |
| 9 | Prognostic significance of vascular endothelial growth factor polymorphisms in colorectal cancer patients显示文摘AIM To investigate the associations of the genetic polymor-phisms of vascular endothelial growth factor A(VEGF-A)-1498C>T and-634G>C, with the survival of patients with colorectal cancer(CRC). METHODS A prospective cohort consisting of 131 Brazilians patients consecutively operated on with a curative intention as a result of sporadic colorectal carcinoma was studied. DNA was extracted from peripheral blood and its amplification and allelic discrimination for each genetic polymorphism was performed using the technique of polymerase chain reaction(PCR) in real-time. The real-time PCR technique was used to identify the VEGF-A-1498C>T(rs833031) and-634G>C(rs2010963) polymorphisms. Genotyping was validated for VEGF-A-1498C>T polymorphism in 129 patients and for VEGF-A-634G>C polymorphism in 118 patients. The analysis of association between categorical variables was performed using logistic regression, survival by Kaplan-Meier method and multivariate analysis by the Cox regression method. RESULTS In the univariate analysis there was a significant association(OR = 0.32; P = 0.048) between genotype CC of the VEGF-A-1498C>T polymorphism and the presence of CRC liver metastasis. There was no association between VEGF-A-1498C>T polymorphism and VEGF-A-634G>C polymorphism with further clinical or anatomopathologic variables. The genotype CC of the VEGF-A-1498C>T polymorphism was significantly correlated with the 5-year survival(P = 0.032), but not significant difference(P = 0.27) was obtained with the VEGF-A-634G>C polymorphism with the 5-year survival in the univariate analysis. The genotype CT(HR = 2.79) and CC(HR = 4.67) of the polymorphism VEGF-A-1498C>T and the genotype CC(HR = 3.76) of the polymorphism VEGF-A-634C>G acted as an independent prognostic factor for the risk of death in CRC patients. CONCLUSION The CT and CC genotypes of the VEGF-A-1498C>T and the CC genotype of the VEGF-A-634C>G polymorphisms are prognostic factors of survival in Brazilians patients with sporadic colorectal carcinoma. | Gilmar Ferreira do Espírito Santo Bianca Borsatto Galera Elisabeth Carmen Duarte Elisabeth Suchi Chen Lenuce Azis Amilcar Sabino Damazo Gabriela Tognini Saba Flávia de Sousa Gehrke Ismael Dale Cotrim Guerreiro da Silva Jaques Waisberg | 2017 | World Journal of Gastrointestinal Oncology2017,9,2: | 4 |
| 10 | Congenital heart diseases trends in S?o Paulo State,Brazil:a national live birth data bank analysis显示文摘Background Congenital heart diseases(CHD)are the most common type of birth defects,affecting millions of newborns every year;no prevalence data are available in S?o Paulo State,Brazil's most populous state.The objective is to identify trends in prevalence and risk factors for CHD in Sao Paulo State,Brazil.Methods We developed a population-based study to estimate the CHD trend of prevalence in recent years,stratified by maternal age and geographical clusters,using all cases of CHD identified by the Live Births Information System(SINASC-Sistema de Informa??o Sobre Nascidos Vivos)from January 1,2005,to December 31,2018.We calculated the trends of prevalence,the regression coefficient(β),the annual percent change(APC),and 95%confidence interval using the Prais-Winsten regression model,with the Durbin-Watson test.Results We found 10,594 cases of CHD among 8,536,101 live births(LB),a prevalence of 12.4/10,000 LB.There was no difference in the sex distribution;they are primarily Caucasian(60.2%),75.2%born at term,and 74.4%weight>2500 g,66.9%of births were by cesarean section.S?o Paulo State presented an increasing CHD trend of prevalence(APC=18.9%).The highest CHD prevalence rate was in mothers aged≥35 years(22.2/10,000 LB).There were 12,271 specific congenital heart defects among 10,594 patients(1.16 CHD/patient).Atrial septal defect has the highest number of cases(3835),with a prevalence of 4.49/10,000 LB,corresponding to 31.3%of all CHD.Conclusion CHD had an increasing prevalence trend in recent years,being highest in S?o Paulo City and≥35-year mothers. | Paola Soares Fernandes Larissa Rosario Magalhaes Tainara Rita Pezzini Edige Felipe de Sousa Santos Mauricio Giusti Calderon | 2022 | World Journal of Pediatrics2022,18,7: | 3 |
| 11 | 莱比锡标注系统及其在汉语语法研究中的应用显示文摘语言行间标注(interlinear gloss)是进行语言学描写非常有用的工具,利用它记录的语料便于进行归类、储存和分析。但是这类标注方式在汉语研究领域还没有得到普遍应用。本文主要介绍目前对语言标注所普遍采用的莱比锡标注规则,并且结合法国高等社会科学院Sinotype项目组描写汉语方言语法时的处理方法,来说明莱比锡规则在标注汉语语法中的实际运用。 | 陈玉洁 Hilario de Sousa 王健 倪星星 李旭平 陈伟蓉 Hilary Chappell | 2014 | 方言2014,36,1: | 3 |
| 12 | Impacts of land use and land cover changes on hydrological processes and sediment yield determined using the SWAT model显示文摘Land use and land cover(LULC)changes strongly affect local hydrology and sediment yields.The current study focused on a basin in the Brazilian Amazon and had the following three objectives:(1)to perform an effective diagnosis of flow and sediment yield,(2)to evaluate the impacts of LULC changes over the last 40 years on the hydro-sedimentological variables,and(3)to investigate the impacts of the possible trends or breaking points in the flow,surface runoff,and sediment yield series.The Soil and Water Assessment Tool(SWAT)model validation showed that the simulated results were consistent with the data measured in the dynamic reproduction of flow seasonality.Furthermore,changes in LULC altered surface runoff,sediment yield,and flow according to the Mann-Kendall and Pettitt non-parametric tests.It was also observed that the sub-basins in which pastureland is predominant are more susceptible to increased surface runoff and sediment yield.According to trend and homogeneity tests,these sub-basins had break points in the time series of these variables.On the other hand,in the sub-basins whose land cover is predominantly forest,the time series is homogeneous and trendless.The current study highlighted the impacts that 40 years of LULC changes in an Amazonian basin had on hydro-sedimentological variables,which,in turn,can play an important role in changing the hydrological cycle,consequently these changes can also impact diverse human activities in the region,such as agribusiness,livestock,energy production,food security,and public water supply.Thus,it is concluded that the SWAT model is a good estimator of hydro-sedimentological processes in Amazonian basins and can be used by decision makers in the management of water and environmental resources. | Edivaldo Afonso de Oliveira Serrao Madson Tavares Silva Thomas Rocha Ferreira Lorena Conceiçao Paiva de Ataide Cleber Assis dos Santos Aline Maria Meiguins de Lima Vicente de Paulo Rodrigues da Silva Francisco de Assis Salviano de Sousa Denis Jose Cardoso Gomes | 2022 | International Journal of Sediment Research2022,37,1: | 3 |
| 13 | Association of Helicobacter pylori infection and giardiasis: Results from a study of surrogate markers for fecal exposure among children显示文摘AIM: To investigate whether Helicobacter pylori (H pykori)infection is associated with hepatitis A virus (HAV) infection, presence of enteroparasites, and other surrogates of fecal exposure.METHODS: We conducted a cross-sectional study in 121 children consecutively admitted at a pediatric hospital inSalvador, Brazil.H pylori and HAV infection were identified by the presence of serum antibodies. Stool specimens were examined for the presence of ova and parasites. A structured questionnaire inquiring about sanitary conditions and life style was applied to each subject. RESULTS: Fifty-one of the 121 children (42.1%) werefound to be seropositive for H pylori, and 45 (37.2%) for HAV. The seroprevalence ofHpyloriand HAV both increased significantly with age. Cross-tabulation of data showed that 26 (21.5%) were seropositive and 51 (42.1%) were negative for bothHpyloriand HAV antibodies (χ2 = 7.18,OR = 2.8, CI 1.30-5.97). The age adjusted OR for an HAV-infected child being H pylori positive was 2.3 (CI1.02-5.03). The agreement between H pylori and HAVseropositivity was fair (κ = 0.24). After controlling for possible confounding, the variables remaining independently associated with seropositivity to H pyloriwere age,presence of Giardia lamblia in feces (OR = 3.2, 95%CI, 1.1-9.5) and poor garbage disposal quality (OR = 2.4,95%CI, 1.1-5.1).CONCLUSION: Our data suggest that H pylori infection is associated with surrogate markers of fecal exposure. Thus, we conclude that the fecal-oral route is relevant in the transmission of HP among children in an urban setting of a developing country. The association observed between G. lamblia and H pylori infection may have several explanations. Further studies to investigate this relationship are warranted. | Edson Duarte Moreira Jr Victor Bastos Nassri Rafaela Sousa Santos Junísia Ferraz Matos Wilson Andrade de Carvalho Célia Stolve Silvani Círia Santana e Sant'Ana | 2005 | World Journal of Gastroenterology2005,11,18: | 3 |
| 14 | Iron overload and immunity显示文摘在在人并且在老鼠涉及铁动态平衡的控制的基因的描述的进步改进了铁超载并且它影响的房间的定义。在免疫上与最大的效果涉及铁超载的房间是巨噬细胞。然而,吸引人的证据在显示实质的铁超载被连接到古典主义地与免疫系统联系的基因的最后 12 年里出现了。这评论提供基因和相关的蛋白质的更改熨在天生的免疫系统的房间表示的新陈代谢,并且探讨这个系统怎么处于铁超载的临床的状况被影响的问题。在铁和适应免疫的主要房间之间的关系, T 淋巴细胞,将也被考察。探讨这的大多数研究在人的最后一个问题在世袭 Hemochromatosis 的临床的模型被执行。数据将也被考察表明实质上涉及适应有免疫力的回答的分子的混乱怎么导致铁超载的自发的开发并且他们怎么充当铁超载的修饰词。 | Graca Porto Maria De Sousa | 2007 | World Journal of Gastroenterology2007,13,35: | 3 |
| 15 | Potential role of Limosilactobacillus fermentum as a probiotic with anti-diabetic properties: A review显示文摘Oxidative stress,inflammation,and gut microbiota impairments have been implicated in the development and maintenance of diabetes mellitus.Strategies capable of recovering the community of commensal gut microbiota and controlling diabetes mellitus have increased in recent years.Some lactobacilli strains have an antioxidant and anti-inflammatory system capable of protecting against oxidative stress,inflammation,and diabetes mellitus.Experimental studies and some clinical trials have demonstrated that Limosilactobacillus fermentum strains can beneficially modulate the host antioxidant and anti-inflammatory system,resulting in the amelioration of glucose homeostasis in diabetic conditions.This review presents and discusses the currently available studies on the identification of Limosilactobacillus fermentum strains with anti-diabetic properties,their sources,range of dosage,and the intervention time in experiments with animals and clinical trials.This review strives to serve as a relevant and well-cataloged reference of Limosilactobacillus fermentum strains capable of inducing anti-diabetic effects and promoting health benefits. | Diego Cabral Lacerda Paulo César Trindade da Costa Paula Brielle Pontes Lucas Alves Carneiro dos Santos JoséPatrocínio Ribeiro Cruz Neto Cristiane Cosmo Silva Luis Vanessa Polyana de Sousa Brito JoséLuiz de Brito Alves | 2022 | World Journal of Diabetes2022,13,9: | 3 |
| 16 | Helicobacter pylori CagA and VacA genotypes and gastric phenotype: a meta-analysis显示文摘 | Joana I. Matos Henrique A.C. de Sousa Ricardo Marcos-Pinto Mário Dinis-Ribeiro | 2013 | European Journal of Gastroenterology & Hepatology2013,,12: | 3 |
| 17 | Femtosecond laser-assisted deep anterior lamellar keratoplasty in phototherapeutic keratectomy versus the big-bubble technique in keratoconus显示文摘AIM:To compare the functional and anatomic results of femtosecond laser(FSL)-assisted deep anterior lamellar keratoplasty(DALK) associated with phototherapeutic keratectomy(PTK) and FSL-assisted DALK performed using the big-bubble technique in keratoconus.METHODS:During the first phase of the study,an electron microscopy histopathology pilot study was conducted that included four unsuitable donor corneas divided into two groups:in FSL group,FSL lamellar cuts were performed on two corneas and in FSL+PTK group,PTK was performed at the stromal beds of two corneas after FSL lamellar cuts were made.During the second phase of the study,a randomized clinical trial was conducted that included two treatment groups of patients with keratoconus:group 1(n=14 eyes) underwent FSL-assisted DALK associated with PTK and group 2(n=12 eyes) underwent FSL-assisted DALK associated with the bigbubble technique.The main outcome measures were the postoperative visual acuity(VA) and optical coherence tomography(OCT) measurements,confocal microscopic findings,and contrast sensitivity.RESULTS:In the pilot study,histopathology showed a more regular stromal bed in the FSL+PTK group.In the clinical trial,group 1 had significantly worse best spectaclecorrected VA and contrast sensitivity(P<0.05 for both comparisons).The residual stromal bed measured by OCT was significantly(P<0.05) thicker in group 1.Confocal microscopy detected opacities only at the donor-receptor interface in group 1.CONCLUSION:Patients with keratoconus treated with FSL-assisted DALK performed using the big-bubble technique fare better than treated with FSL-assisted DALK associated with PTK. | Jarbas Pereira de Macedo Lauro Augusto de Oliveira Flavio Hirai Luciene Barbosa de Sousa | 2018 | International Journal of Ophthalmology(English edition)2018,11,5: | 2 |
| 18 | Low-level laser therapy enhances the number of osteocytes in calvaria bone defects of ovariectomized rats显示文摘Background : Osteoporosis can make bone repair difficult. Low-level laser therapy( LLLT) has been shown to be a promising tool for bone neoformation. This study aimed to analyze the effect of LLLT on calvaria bone defects of ovariectomized rats using stereology. Methods : Fifty-four Wistar rats were subjected to bilateral ovariectomy, and bone defects were created in calvaria after 150 days. The animals were divided into nine groups(n = ?6 per group), and 24 hours after the bone defects were created they received three, six or 12 sessions of LLLT at 0, 20 or 30 J/cm 2, using a 780-nm low-intensity GaAlAs laser. One-way ANOVA followed by Tukey ' s post hoc test was used for data processing. A difference of P < 0.05 was considered statistically significant. The parameters evaluated were osteocyte density( Nv_(ost)), total osteocyte number( Nto ost), trabecular surface density( Sv_t), and trabecular surface area( Sa_t). Results : Data obtained showed that Nto ost, Sv t, and Sa t in group G2 rats were significantly different from G1(0 J/cm^2)( P < 0.05). Compared to group G4, G5 presented higher values for the parameters Sv t and Sa t, and G6 presented significantly higher values for almost all the analyzed parameters( Nv _(ost), Nto_(ost), Sv_t, and Sa t)( P < 0.05). Compared to group G7, G8 showed a higher value only for the parameter Sa t, and G9 showed significantly higher values for parameters Nv ost, Nto ost, Sv_t, and Sa_t. Conclusion : We conclude that LLLT stimulated bone neoformation and contributed to an increase in the total number of osteocytes, especially with a laser energy density of 30 J/cm^2 given for six and 12 sessions. | Priscilla Hakime Scalize Luiz Gustavo de Sousa Lígia Maria Napolitano Goncalves Dimitrius Leonardo Pitol Marcelo Palinkas Antonio Augusto Coppi Mariah Acioli Righeti Vitória Ricardo Karina Fittipaldi Bombonato-Prado Simone Cecílio Hallak Regalo Selma Siessere | 2019 | Animal Models and Experimental Medicine2019,2,1: | 2 |
| 19 | How to manage inflammatory bowel disease during the COVID-19 pandemic:A guide for the practicing clinician显示文摘Managing inflammatory bowel disease(IBD)during the coronavirus disease 2019(COVID-19)pandemic has been a challenge faced by clinicians and their patients,especially concerning whether to proceed with biologics and immunosuppressive agents in the background of a global outbreak of a highly contagious new coronavirus(severe acute respiratory syndrome coronavirus 2,SARS-CoV-2).The knowledge about the impact of this virus on patients with IBD,although it is still scarce,is rapidly evolving.In particular,concerns surrounding medications’impact for IBD on the risk of acquiring SARS-CoV-2 infection or developing COVID-19,and potentially exacerbate viral replication and the COVID-19 course,are a current thinking of both practicing clinicians and providers caring for patients with IBD.Managing patients with IBD infected with SARS-CoV-2 depends on both the clinical activity of the IBD and the occasional development and severity of COVID-19.In this review,we summarize the current data regarding gastrointestinal involvement by SARS-CoV-2 and pharmacologic and surgical management for IBD concerning this infection,and the COVID-19 impact on both the patient's psychological functioning and endoscopy services,and we concisely summarize the telemedicine roles during the COVID-19 pandemic. | Júlio Maria Fonseca Chebli Natália Sousa Freitas Queiroz Adérson Omar Mourão Cintra Damião Liliana Andrade Chebli Márcia Henriques de Magalhães Costa Rogério Serafim Parra | 2021 | World Journal of Gastroenterology2021,27,11: | 2 |
| 20 | CD 64 distinguishes macrophages from dendritic cells in the gut and reveals the T h1‐inducing role of mesenteric lymph node macrophages during colitis显示文摘 | Samira Tamoutounour Sandrine Henri Hugues Lelouard Béatrice de Bovis Colin de Haar C. Janneke van der Woude Andrea M. Woltman Yasmin Reyal Dominique Bonnet Dorine Sichien Calum C. Bain Allan McI. Mowat Caetano Reis e Sousa Lionel F. Poulin Bernard Malisse | 2012 | Eur J Immunol2012,,12: | 2 |