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Prevalence and risk factors for acquired long QT syndrome in the emergency department:a retrospective observational study

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World Journal of Emergency Medicine 2023年第6期14卷 454-461页

作者： Diogo de Almeida Fernandes Guilherme de Freitas Camoes Diana ferreira Carolina Queijo Carlos Fontes-ribeiro Lino Gongalves Rui Pina Natalia Antonio Department of Cardiology Coimbra Hospital and University Centre(CHUC)Coimbra 3000-075Portugal Department of Internal Medicine Coimbra Hospital and University Centre(CHUC)Coimbra 3000-075Portugal Faculty of Medicine University of CoimbraCoimbra 3000-370Portugal Institute for Clinical and Biomedical Research Faculty of MedicineUniversity of CoimbraCoimbra 3000-548Portugal

BACKGROUND: Long QT syndrome(LQTS) is a heterogeneous syndrome that may be congenital or, more frequently, acquired. The real-world prevalence of acquired LQTS(aLQTS) in the emergency department(ED) remains to be determined. The aim of this study was to determine prevalence of aLQTS and its impact on symptoms on ED ***: Electrocardiograms(ECG) of 5,056 consecutively patients admitted in the ED of a tertiary hospital between January 28th and March 17th of 2020 were reviewed. All patients with aLQTS were included. Clinical data with a focus on QT prolonging drugs and clinical factors were recorded. Statistical comparison was made between the groups with and without corrected QT(QTc) interval greater than 500 ms(value that is considered severely increased).RESULTS: A total of 383 ECGs with prolonged QTc were recognized, corresponding to a prevalence of aLQTS at admission of 7.82%. Patients with aLQTS were more commonly men(53.3%) with an age of(73.49±14.79) years old and QTc interval of(505.3±32.4) ms. Only 20.4% of these patients with aLQTS were symptomatic. No ventricular arrhythmias were recorded. Patients with QT interval greater than 500 ms were more frequently female(59.5%;P<0.001) and were more frequently on QT prolonging drugs(77.3%;P=0.025). Main contributing factor was intake of antibiotics(odds ratio [OR] 4.680) followed by female gender(OR 2.473) and intake of antipsychotics(OR 1.925).CONCLUSION: aLQTS is particularly prevalent in the ED. Female patients on antibiotics and antipsychotics are at particularly high risk. Efforts must be made to avoid, detect and treat aLQTS as early as possible.

关键词： Long QT syndrome Epidemiology Drug interactions Emergency department

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Prognostic implications of tumor-infiltrating lymphocytes in association with programmed cell death ligand 1 expression in remnant gastric cancer

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Chinese Journal of Cancer Research 2022年第6期34卷 612-622页

作者： Marina Alessandra Pereira Marcus Fernando Kodama Pertille Ramos André Roncon Dias Leonardo Cardili Rafael Dyer Rodrigues de Moraes Renan ribeiro E ribeiro Venancio Avancini ferreira Alves Bruno Zilberstein Evandro Sobroza de Mello Ulysses ribeiro Jr Department of Gastroenterology Instituto do Cancer do Estado de Sao PauloHospital das ClinicasFaculdade de MedicinaUniversidade de Sao Paulo(ICESP-HCFMUSP)Sao PauloSP 01246-000Brazil Department of Pathology Instituto do Cancer do Estado de Sao PauloHospital das ClinicasFaculdade de MedicinaUniversidade de Sao Paulo(ICESP-HCFMUSP)Sao PauloSP 01246-000Brazil

Objective:Remnant gastric cancer(RGC)is usually associated with a worse *** they are less common and very heterogeneous tumors,new prognostic and reliable determinants are required to predict patients’clinical course for *** study aimed to investigate the tumor-infiltrating lymphocytes(TILs)and programmed cell death ligand 1(PD-L1)status as prognostic biomarkers in a cohort of patients with RGC to develop an immunerelated ***:Patients with gastric cancer(GC)who underwent curative intent gastrectomy were retrospectively *** resections with histological diagnosis of gastric adenocarcinoma were enrolled in the *** risk score based on immune parameters was developed using binary logistic regression *** were divided into high-risk(HR),intermediate-risk(IR),and low-risk(LR)groups based on their immune *** markers(CD3+,CD4+/CD8+T cells and PD-L1)were selected for their potential prognostic,therapeutic value,and evaluated by immunohistochemistry(IHC).Results:A total of 42 patients with RGC were enrolled in the *** score based on immune parameters exhibited an accuracy of 79%[the area under the receiver operating characteristic curve(AUC)=0.79,95%confidence interval(95%CI),0.63-0.94,P=0.002],and the population was divided into 3 prognostic groups:10(23.8%)patients were classified as LR,15(35.7%)as IR,and 17(40.5%)as HR *** were no differences in clinicopathological and surgical characteristics between the three *** survival analysis,HR and IR groups had worse disease-free survival and overall survival rates compared to the LR *** the multivariate analysis,lymph node metastasis and the immune score risk groups were independent factors related to worse ***:A scoring system with immune-related markers was able to distinguish prognostic groups of RGC associated with ***,tumor-infiltrating immune lymphocytes and PD-L1 status may serve as a potential prognostic bi

关键词： Stomach neoplasms gastric remnant tumor-infiltrating lymphocytes immune microenvironment

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Investigation of possible relationship between atopic dermatitis and salivary biomarkers,stress,and sleep disorders

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World Journal of Clinical Cases 2023年第17期11卷 3958-3966页

作者： Juliany Estefan Dennis de Carvalho ferreira Fernanda Sampaio Cavalcante Kátia Regina Netto dos Santos Marcia ribeiro Dermatologia Pediátrica Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil Faculdade de Enfermagem Departamento de Fundamentos de EnfermagemUniversidade do Estado do Rio de JaneiroRio de Janeiro 20551030Brazil Departamento de Clínica Médica Instituto de Ciências MédicasUniversidade Federal do Rio de JaneiroCampus MacaéRio de Janeiro 27930-560Brazil Departamento de Microbiologia Médica Instituto de Microbiologia Paulo de GóesUniversidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil Genética médica Instituto de Puericultura e Pediatria Martagão Gesteira/Universidade Federal do Rio de JaneiroRio de Janeiro 21941630Brazil

Atopic dermatitis(AD)is a chronic,relapsing,multifactorial inflammatory disease with genetic,environmental,and immunological *** quality of life and sleep of patients and their families are affected by AD,which triggers stress,described as one of the factors that worsens *** biomarkers such as cortisol,alpha-amylase,chromogranin A,and melatonin have been associated with stress and sleep ***,the evaluation of stress and sleep disorders using salivary biomarkers in AD patients is *** review aims to describe the possible relationship between atopic dermatitis and stress,sleep disorders,and salivary biomarkers,seeking to contribute to better understanding and clinical management of *** descriptive study is characterized as a narrative literature review.A literature search was conducted of studies published in English and Portuguese between January 2012 and October 2022 that are available in electronic media from various databases,such as Scientific Electronic Library Online,Latin American and Caribbean Literature on Health Sciences,and *** is associated with different degrees of impact on the lives of individuals who present with the *** stress may induce changes in saliva composition and worsen AD;at the same time,the severity of the disease may be associated with emotional *** studies are needed to assess and correlate AD severity,stress,and sleep disturbances with salivary biomarkers in order to better understand this association.

关键词： Atopic dermatitis Sleep Psychological stress Chromogranin A Melatonin Cortisol

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Atmospheric Pollutants in a Commercial Region of Fortaleza, Ceará, Brazil: Integration of Health, Environment and Economy in Urban Planning to Improve Air Quality

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Journal of Geoscience and Environment Protection 2024年第5期12卷 92-112页

作者： Mônica Giovana Alves Cardoso Ratts Brenna Kessy Silva Lima Gilvan ribeiro dos Santos Fladimir de Lima Gondim Rinaldo Santos Araújo Mona Lisa Moura de Oliveira Francisco Sales Ávila Cavalcante Daniel Silveira Serra Science and Technology Center State University of Cear&#225 Cear&#225 Brazil Department of Chemistry and Environment Federal Institute of Cear&#225 Cear&#225 Brazil Center of Technological Sciences State University of Cear&#225 Cear&#225 Brazil

The accelerated growth of the vehicular fleet, the modernization of large urban centers, and the few adjustments to the road network in Fortaleza have intensified the problems of traffic and emissions of atmospheric pollutants, highlighting the necessity for strategic urban planning initiatives to address the escalating issues of traffic and pollution. With the objective of analyzing the indices of concentrations of atmospheric pollutants and estimating how these levels can affect human health, this work consists of a study of the analysis of air quality in the intense trade region of Fortaleza. For this, the analysis zone was divided into three perimeters (Major - Medium - Minor), where each perimeter was analyzed at 7 am, 12 noon and 5 pm. Concentrations of the type of O3, particulate matter (PM2.5 and PM10), CO2 and HCHO were collected. Our results demonstrate that most of the analyses are within the limits of current legislation;however, at certain times and perimeters, the analyses of CO2 and HCHO exceeded the established limits. In view of the above, we conclude that public policies to control air quality are necessary to reduce the damage to human health and the environment caused by pollutants.

关键词： Air Quality Urban Planning Particulate Material Health Impacts

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Acceptance and Experience of HIV-Infected Adolescents in Two Hospitals in Yaoundé

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Open Journal of Pediatrics 2024年第2期14卷 435-443页

作者： Isabelle Mekone Nkwele Nelly Kamgaing Pierrette amanda Emah Manga Jeannette Épée Ngoué Hélène Kamo Sélangai Claude Audrey Meguieze Nsoh Ndeh-Fofang Serge Tchoukoua Jean-Baptiste Fotso Djemo Paul Koki Ndombo Department of Pediatrics Faculty of Medicine and Biomedical Sciences University of Yaoundé I Yaoundé Cameroon Institut Supérieur des Sciences de la Santé de Bangangté Université des Montagnes Bangangté Cameroon Faculty of Medicine and Biomedical Sciences University of Garoua Garoua Cameroon

Introduction: Access to antiretroviral drugs has improved the survival of children infected with the Human Immunodeficiency Virus (HIV). As they reach adolescence, they are confronted with various constraints related to the infection and its treatment, in addition to those of the growth period they are going through. The main aim of the study was to assess the acceptance and describe the experience of HIV infection by infected adolescents but also to investigate the factors associated with good acceptance and a positive experience. Methodology: The cross-sectional analytic study concerned HIV-infected adolescents aged 15 to 19 followed up at the Chantal Biya Foundation-Mother and Child Centre (CME-FCB) and the Yaoundé University Hospital Centre (CHUY) between February 2020 and June 2020. The study saw participants complete a questionnaire containing socio-demographic data and assessing acceptance and experience with the infection. Data analysis was accomplished using Epi info software version 7.***.2.6. Results: One hundred and thirteen HIV-infected adolescents were included in the study. The sex ratio was 0.68 and the mean age was 17 years. More than half of the adolescents had a good acceptance and positive experience with the infection. Related factors were the adolescent’s perception of good health and participation in an association with other infected adolescents. Conclusion: Emphasizing the psychological and educational follow-up of infected adolescents and encouraging their participation in associations for adolescents living with HIV could reduce the consequences of poor acceptance and ensure a better transition to adulthood. .

关键词： HIV Adolescent Acceptance Experience

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Is gastric cancer after bariatric surgery on the rise?Will history repeat itself?

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Chinese Journal of Cancer Research 2023年第1期35卷 11-14页

作者： Adriana Vaz Safatle-ribeiro Ulysses ribeiro Jr Department of Gastroenterology Instituto do Cancer do Estado de Sao PauloHospital das ClinicasFaculdade de MedicinaUniversidade de Sao Paulo(ICESP-HCFMUSP)Sao PauloSP 01246-000Brazil

Gastric cancer is the fifth most common cancer and the fourth leading cause of cancer-related death worldwide(1).Despite its decreasing incidence during the last decades,a major concern has been raised in patients submitted to bariatric surgery(2).Morbid obesity incidence has increased worldwide leading to low quality of life expectancy in children。

关键词： surgery Gastric death

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Advances in surgical techniques for gastric cancer:Indocyanine green and near-infrared fluorescence *** it ready for prime time?

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Chinese Journal of Cancer Research 2022年第6期34卷 587-591页

作者： Erica Sakamoto Adriana Vaz Safatle-ribeiro Ulysses ribeiro Jr Department of Gastroenterology Instituto do Cancer do Estado de Sao PauloHospital das ClinicasFaculdade de MedicinaUniversidade de Sao

Surgery is still the primary curative treatment for gastric cancer,which includes resection of the tumor with adequate margins and extended *** order to improve the operative results and the quality of life of patients,several endeavors have been made toward precision medicine through image-guided surgery,allowing access to real-time intraoperative anatomy and accurate tumor *** goal of the surgeon is to achieve a more precise,individualized,and less invasive surgery without compromising oncological efficiency and *** this perspective,we have demonstrated the role of indocyanine green(ICG)and near-infrared(NIR)fluorescence imaging method in gastric cancer *** technique may be used to improve localization of the tumor,detection of sentinel lymph nodes(SLN),real-time lymphatic mapping,and blood flow assessment(anastomosis perfusion).

关键词： Indocyanine green near-infrared fluorescence imaging gastric cancer lymphatic mapping

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Evidence-Based Complementary and Alternative Medicine Effects of Capybara Oil on Cardiac Remodeling of C57bl/6 Mice

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Journal of Biosciences and Medicines 2024年第5期12卷 213-232页

作者： Rafael M. Almeida Wagner D. Giannetti Guilherme R. Silveira Carolina R. Castilho Renata V. Lisboa Bianca T. Ciambarella Rodrigo N. ferreira Jorge José de Carvalho Laboratory of Ultrastructure and Tissue Biology Institute of Biology State University of Rio de Janeiro Rio de Janeiro Brazil Higher Education Center of Valenç a Dom Andr&#233 Arcoverde Educational Foundation Valen&#231a Brazil

Cardiovascular diseases are the main cause of morbidity and mortality in the world, and obesity and the metabolic syndrome are risk factors for its development. One of the therapies to reduce cardiovascular risk is the use of polyunsaturated fatty acids. In Brazil, a source of such acid is the oil extracted from the fat of the capybara. The objective of this work is to study the effects of the capybara oil on lipid and glucose metabolism, as well as its effects on the adipose tissue and cardiac remodeling. We assessed the effects of capybara oil treatment on body mass, lipid and carbohydrate metabolism, systolic blood pressure, adipose tissue and cardiac remodeling, and performed an ultrastructural evaluation of the myocardium in C57Bl/6 mice treated with high-fat diet. Treatment with capybara oil reduced total cholesterol and triglyceride levels, systolic blood pressure, visceral and subcutaneous adipose tissue, and adipocyte diameter. In addition, cardiac remodeling was attenuated, preserving cardiomyocytes, increasing vascularization, reducing cardiomyocyte hypertrophy and the extracellular matrix, and preserving the morphological integrity of mitochondria. Capybara oil has several beneficial effects on the cardiovascular and metabolic system, and further studies are needed to better understand its role in the prevention or treatment of cardiovascular diseases.

关键词： Capybara Oil Cardiac Remodeling Polyunsaturated Fatty Acids Obesity Metabolic Syndrome

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Study of the roles of caspase-3 and nuclear factor kappa B in myenteric neurons in a P2X7 receptor knockout mouse model of ulcerative colitis

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World Journal of Gastroenterology 2023年第22期29卷 3440-3468页

作者： Henrique Inhauser Riceti Magalhães Felipe Alexandre Machado Roberta Figueiroa Souza Marcos Antônio ferreira Caetano Vanessa ribeiro Figliuolo Robson Coutinho-Silva Patricia Castelucci Department of Surgery School of Veterinary Medicine and Animal SciencesUniversity of São PauloSão Paulo 05508-270Brazil Department of Anatomy University of São PauloSão Paulo 05508-000Brazil Biophysics Institute Carlos Chagas Filho Federal University of Rio de JaneiroRio de Janeiro 21941-902Brazil

BACKGROUND The literature indicates that the enteric nervous system is affected in inflammatory bowel diseases(IBDs)and that the P2X7 receptor triggers neuronal ***,the mechanism by which enteric neurons are lost in IBDs is *** To study the role of the caspase-3 and nuclear factor kappa B(NF-κB)pathways in myenteric neurons in a P2X7 receptor knockout(KO)mouse model of *** Forty male wild-type(WT)C57BL/6 and P2X7 receptor KO mice were euthanized 24 h or 4 d after colitis induction by 2,4,6-trinitrobenzene sulfonic acid(colitis group).Mice in the sham groups were injected with *** mice were divided into eight groups(n=5):The WT sham 24 h and 4 d groups,the WT colitis 24 h and 4 d groups,the KO sham 24 h and 4 d groups,and the KO colitis 24 h and 4 d *** disease activity index(DAI)was analyzed,the distal colon was collected for immunohistochemistry analyses,and immunofluorescence was performed to identify neurons immunoreactive(ir)for calretinin,P2X7 receptor,cleaved caspase-3,total caspase-3,phospho-NF-κB,and total NF-κ*** analyzed the number of calretinin-ir and P2X7 receptor-ir neurons per ganglion,the neuronal profile area(μm^(2)),and corrected total cell fluorescence(CTCF).RESULTS Cells double labeled for calretinin and P2X7 receptor,cleaved caspase-3,total caspase-3,phospho-NF-κB,or total NF-κB were observed in the WT colitis 24 h and 4 d *** number of calretinin-ir neurons per ganglion was decreased in the WT colitis 24 h and 4 d groups compared to the WT sham 24 h and 4 d groups,respectively(2.10±0.13 vs 3.33±0.17,P<0.001;2.92±0.12 vs 3.70±0.11,P<0.05),but was not significantly different between the KO *** calretinin-ir neuronal profile area was increased in the WT colitis 24 h group compared to the WT sham 24 h group(312.60±7.85 vs 278.41±6.65,P<0.05),and the nuclear profile area was decreased in the WT colitis 4 d group compared to the WT sham 4 d group(104.63±2.49 vs 117.41±1.14,P<0.01).The number of

关键词： Cell death Enteric nervous system Gastroenterology Inflammatory bowel diseases P2X7 receptor Purinergic signaling

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Hydrogen-based direct reduction of industrial iron ore pellets:Statistically designed experiments and computational simulation

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International Journal of Minerals,Metallurgy and Materials 2022年第10期29卷 1908-1921页

作者： Patrícia Metolina Tiago Ramos ribeiro Roberto Guardani Chemical Systems Engineering Center Department of Chemical EngineeringUniversity of São PauloSão Paulo 05508-900Brazil Metallurgical Process Laboratory Institute of Technological ResearchSão Paulo 05508-901Brazil

As part of efforts to reduce anthropogenic CO_(2) emissions by the steelmaking industry,this study investigated the direct reduction of industrially produced hematite pellets with H_(2) using the Doehlert experimental design to evaluate the effect of pellet diameter(10.5-16.5 mm),porosity(0.36-0.44),and temperature(600-1200℃).A strong interactive effect between temperature and pellet size was observed,indicating that these variables cannot be considered *** increase in temperature and decrease in pellet size considerably favor the reduction rate,while porosity did not show a relevant *** change in pellet size during the reduction was negligible,except at elevated temperatures due to crack formation.A considerable decrease in mechanical strength at high temperatures suggests a maximum process operating temperature of 900℃.Good predictive capacity was achieved using the modified grain model to simulate the three consecutive non-catalytic gas-solid reactions,considering different pellet sizes and porosities,changes during the reaction from 800 to 900℃.However,for other temperatures,different mechanisms of structural modifications must be considered in the *** results represent significant contributions to the development of ore pellets for CO_(2)-free steelmaking technology.

关键词： hydrogen use non-catalytic gas-solid reaction grain model porous hematite pellet CO_(2)emissions reduction Doehlert experimental design

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