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Randomized trial in malignant biliary obstruction:Plastic vs partially covered metal stents

World Journal of Gastroenterology 2013年第46期19卷 8638-8646页

作者： Peter L Moses Khalid M AlNaamani Alan N Barkun Stuart R Gordon Roger D Mitty M Stanley Branch Thomas E Kowalski Myriam Martel viviane adam Division of Gastroenterology and Hepatology University of Vermont Division of Gastroenterology McGill University Health Center McGill University Department of Epidemiology and Biostatistics and Occupational Health McGill University Health Center Division of Gastroenterology and Hepatology Dartmouth Hitchcock Medical Center Lebanon Division of Gastroenterology Tufts University School of Medicine Boston Division of Gastroenterology Duke University Medical Center Durham Division of Gastroenterology and Hepatology Thomas Jefferson University Hospital

AIM:To compare efficacy and complications of par-tially covered self-expandable metal stent(pcSEMS)to plastic stent(PS)in patients treated for malignant,infrahilar biliary ***:Multicenter prospective randomized clinical trial with treatment allocation to a pcWallstent(SEMS)or a 10 French *** patients aged≥18,for infrahilar malignant biliary obstruction and a Karnofsky performance scale index>60%from 6 participating North American university *** endpoint was time to stent failure,with secondary outcomes of death,adverse events,Karnofsky performance score and short-form-36 scale administered on a three-monthly basis for up to 2 *** analyses were performed for stent failure and death,with Cox proportional hazards regression models to determine significant predictive ***:Eighty-five patients were accrued over 37mo,42 were randomized to the SEMS group and 83patients were available for *** to stent failure was 385.3±52.5 d in the SEMS and 153.3±19.8 d in the PS group,P=*** to death did not differ between groups(192.3±23.4 d for SEMS vs211.5±28.0 d for PS,P=0.70).The only significant predictor was treatment allocation,relating to the time to stent failure(P=0.01).Amongst other measured outcomes,only cholangitis differed,being more common in the PS group(4.9%vs 24.5%,P=0.029).The small number of patients in follow-up limits longitudinal assessments of performance and quality of *** an initially planned 120 patients,only 85 patients were ***:Partially covered SEMS result in a longer duration till stent failure without increased complication rates,yet without accompanying measurable benefits in survival,performance,or quality of life.

关键词： Randomized Biliary Obstruction Stent Plastic Metal Palliative Common bile duct

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访谈摄影艺术家viviane Sassen 当身体成为叙事的工具

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数码摄影 2024年第8期 48-57页

作者： viviane Sassen 甘莹莹

第一次看到vivianeSassen的时候，我还在英国念书——摄影专业研究生，同班同学Mar tin兴致勃勃地邀请我一起去英国摄影师画廊（The Photographer’s Gallery）参加viviane Sassen的新书签售会和讲座，那是我第一次看到她的作品以及她... 详细信息

第一次看到vivianeSassen的时候，我还在英国念书——摄影专业研究生，同班同学Mar tin兴致勃勃地邀请我一起去英国摄影师画廊（The Photographer’s Gallery）参加viviane Sassen的新书签售会和讲座，那是我第一次看到她的作品以及她本人。相信所有看过她作品的人，都会对其像花朵般鲜艳跳跃的颜色、像怪异生物般难以理解的肢体、以及黑得足以吸进所有事物的身体局部和阴影所着迷，它唤醒了我的回忆——在一个热烈的夏季夜晚，在去学校的路上，一位非裔留学生穿着极其鲜艳的彩色服装路过我的身边，那个与我差异巨大的肤色，渐渐融入了黑夜……这给我巨大的冲击。这个回忆让我共情了viviane Sassen的经历，她在2-5岁时随医生父亲来到了肯尼亚，非洲的刺眼阳光与神秘草原，对她而言“像家但我知道自己永远不会成为那个社会的一部分”的地方，以及在家庭的对谈中常常出现的伤痛、肢体，成为了她作品中一直不断探讨的主题。今年6月份，viviane Sassen首次造访中国，带着十几个不同系列近200余件作品，在Fotografiska影像艺术中心举办了她的首个大型回顾展——《磷光体：艺术&时尚1990-2023》，“就像清空了衣柜一样”，她又可以在她巨大的幻想世界里，继续肆意地填充新的衣服了。

关键词： viviane Sassen 摄影访谈 Fotografiska影像艺术中心

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Different no-till grain production systems with Urochloa *** soil microbial community structure,biomass and activity in a tropical Ultisol

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Soil Ecology Letters 2024年第1期6卷 119-129页

作者： Matheus Emannuel Oliveira Vieira Lucas Dantas Lopes France Mario Costa viviane Talamini Edson Patto Pacheco Marcelo Ferreira Fernandes PPGAGRI Universidade Federal de SergipeAv.Marechal Rondons/n-49100-000-Sao CristovaoSEBrazil Embrapa Coastal Tablelands Av Govemador Paulo Barreto de Menezesn°3250-49025-040-AracajuSEBrazil

Integrated grain cropping systems promote soil health(SH)and *** biomass and activity(MBA)and community structure(MCS)are key to *** of maize with Urochloa pastures strongly impacts MBA and *** is more sensitive than MCS to shifts in grain cropping *** under continuous Urochloa increased microbial activity and AMF *** soils are prone to *** of conservation agricultural practices is essential to improve soil health,which is influenced by soil *** this study we analyzed shifts in microbial biomass and activity(MBA)and microbial community structure(MCS)based on fatty acid methyl esthers(FAMEs)between five no-till agricultural practices:maize monoculture(MM);maize annualy intercropped with Urochloa decumbens(M/Ud);M/Ud with soybean rotation every other year(M/Ud-S);M/Ud keeping the pasture for the next two years(M/Ud-Ud-Ud);and maize intercropped with *** keeping the pasture for the next two years(M/Ur-Ur-Ur).Results indicated that MBA was affected by the inclusion of Urochloa intercropping and by rotation with *** under a longer residence time with Urochloa in the field had higherβ-glucosidase activity and soil basal respiration,indicating a greater microbial *** was less affected than MBA by the investigated cropping *** changed only in the continuous pasture systems,which were enriched in arbuscular mycorrhyzal fungi(AMF).Additionally,the continuous pasture systems had lower microbial stress ratios than the other agricultural *** sum,our study showed that utilization of Urochloa *** longer periods in no-till agricultural practices contributes to increase microbial activity,AMF abundance and decrease microbial stress *** changes are primarily beneficial for soil health.

关键词： crop-pasture integration crop rotation no-tillage soil health microbial ecology

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Soil Organic Carbon Stock Variation under Different Soil Types and Land Uses in the Sub-Humid Noun Plain, Western Cameroon

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Open Journal of Soil Science 2024年第4期14卷 191-209页

作者： Frank Abigail Sobze Kenfack Georges Kogge Kome Achille Bienvenue Ibrahim viviane Pauline Mandah Dieudonne Bitondo Department of Soil Science Faculty of Agronomy and Agricultural Sciences (FASA) University of Dschang Dschang Cameroon Department of Land Surveying National Advanced School of Public Works Yaound&#233 Cameroon International Institute of Tropical Agriculture Cameroon Eco-Regional Center HFS Yaound&#233 Cameroon Department of Earth Science Faculty of Science University of Dschang Dschang Cameroon

This study was conducted to assess the current stock of soil organic carbon under different agricultural land uses, soil types and soil depths in the Noun plain in western Cameroon. Three sites were selected for the study, namely Mangoum, Makeka and Fossang, representative of the three dominant soil types of the noun plain (Andosols, Acrisols and Ferralsols). Three land uses were selected per site including natural vegetation, agroforest and crop field. Soil was sampled at three depths;0 - 20 cm, 20 - 40 cm, and 40 - 60 cm. Analysis of variance showed that soil type did not significantly influence carbon storage, but rather land uses and soil depth. SOCS decreased significantly with depth in all the sites, with an average stock of 66.3 ± 15.8 tC/ha at 0 - 20 cm, compared to an average stock of 33.3 ± 7.4 tC/ha at 40 - 60 cm. SOCS was significantly highest in the natural formation with 57.2 ± 19.7 tC/ha, and lowest in cultivated fields, at 37.7 ± 10.6 tC/ha. Andosols, with their high content of coarse fragments, stored less organic carbon than Ferralsols and Acrisols.

关键词： Carbon Stocks Soil Type Soil Depth Agricultural Land Use Noun Plain

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Economic Stress, Precariousness and Risk of High Blood Pressure: A Descriptive Survey of Life Models within Households of the Central Region of Cameroon

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Health 2024年第2期16卷 118-130页

作者： Jean Ndibi Abanda Ulrich Dama viviane Foussouo Ndoungue Anicet Onana Akoa Melkior Fobasso Dzeuta Alphonse Tedonge Asobochia Arsène Emilien Messi Ndzengue Désiré Tchoffo Faculty of Health Sciences University of Lisala (CIREP-UNILIS) Lisala Democratic Republic of the Congo National Order of Medical and Sanitary Professions Yaoundé Cameroon School of Health Sciences Catholic University of Central Africa Yaoundé Cameroon World Health Organization Maroua Cameroon Faculty of Health Sciences University of Montagnes Banganté Cameroun Faculty of Medicine University of Bamenda Bamenda Cameroon Faculty of Sciences University of Ebolowa Ebolowa Cameroun

Context/Objective: High blood pressure (HBP) currently represents the most widespread chronic non-communicable disease in Cameroon. The increase in its prevalence in the country is the result of multiple factors including economic stress imposed by precariousness, poor living conditions, sources of anxiety, anguish, depression and other behavioral disorders. Economic stress is a globalizing concept that integrates into a purely hermeneutic approach, a particular functioning of the nervous system of an individual who faces employment problems and precarious remuneration conditions. The non-satisfaction by an individual of his basic needs due to insufficient financial means can cause him to become irritable, aggressive, and socially and symbolically isolated, thereby increasing the desire to resort to morbid life models such as excessive consumption of narcotics and other psychoactive substances often associated with high blood pressure. The fight against the emergence of BPH is a complex, multifaceted and multifactorial reality that requires taking into account economic stress. The main objective of this survey is to describe the situation of economic stress within the Cameroonian population, which imposes precariousness and life models at risk of high blood pressure. Specifically, we determined the level of household income and the sources of income. Methods: A cross-sectional survey with a descriptive aim among five hundred households in the Central Region of Cameroon was conducted. A probabilistic technique called simple randomness was used. The number of households to be surveyed was determined indirectly using the Cochrane formula. Data collection in face-to-face mode using a physical questionnaire took place from July 1 to August 31, 2023, after obtaining ethical clearance from the Regional Health Research Ethics Committee, Human from the Center and an administrative authorization for data collection. Regarding their processing, the data was grouped during proc

关键词： Economic Stress Precariousness High Blood Pressure Life Models Households

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Prevalence of Latent Tuberculosis Infection [LTBI] in Prison Officers: A Systematic Review and Meta-Analysis

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Open Journal of Respiratory Diseases 2024年第1期14卷 12-24页

作者： Thiago Poss Moreira Gustavo Henrique Baraca Sanvezzo Maico Trevisol Renan William Mesquita Luiza Scalcon de Oliveira Lia Beatriz Henke de Azevedo Cleide viviane Buzanello Martins Lirane Elize Defante Ferreto Health Sciences Center Faculty of Medicine Western Paraná State University Francisco Beltr&#227o Brazil Health Sciences Center Postgraduate Program in Applied Health Sciences Western Paraná State University Francisco Beltr&#227o Brazil

This study aimed to perform a systematic review and meta-analysis to determine the LTBI prevalence in prison officers worldwide. A systematic search was performed in PubMed, WoS, Embase, and BVS, including all articles related to LTBI prevalence and risk factors. After critical evaluation and qualitative synthesis of the identified articles, a meta-analysis was used. Five studies carried out between 2012 and 2022 were included, with a total sample size of 1718 prison officers. The overall LTBI prevalence was 50% [95% confidence interval [CI]: 48% - 52%;n = 816], with high heterogeneity between studies. Smoking [OR = 1.76;CI 95% = 1.26 - 2.46] and males [OR = 2.08;CI 95% = 1.31 - 3.31] were positively related to a higher LTBI prevalence among prison officers. Thus, preventive measures and the rapid and accurate diagnosis of new cases should be emphasized to ensure tuberculosis control, especially among risk groups such as prison officers.

关键词： Latent Tuberculosis Mycobacterium tuberculosis Meta-Analysis Prevalence Occupational Exposure

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Analysis of the Cicatricial Acceleration Method (MAC®) in Skin Repair in Wistar Rattus norvegicus with Induced Chemical Burns

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Journal of Biosciences and Medicines 2024年第9期12卷 204-214页

作者： Marcus Vinicius de Mello Pinto Sandroval Francisco Torres Aline Ronis Sampaio Karin Yuri Fernandez Iturra Miriam viviane Baron Patricia Froes Carlos Ruiz da Silva Daiane Paza Maria Elena Silva Alvarez Josefa Jeanette Ugalde Juliano Tibola Esteban Fortuny Celulare Institute Petrpolis Brazil State University of Santa Catarina (UDESC) Florianopolis Brazil Bienus Clinic Santiago Chile Pontifical Catholic University of Rio Grande do Sul (PUC/RS) Porto Alegre Brazil International Research Group (IRG) Natal Brazil Academic Training Center (CTA) College So Paulo Brazil Fibrafisio Clinic Brusque Brazil Fisiocare Clinic Curic Chile Lua Clinic Coyhaique Chile Finis Terrae University Santiago Chile

Introduction: The cicatricial acceleration method (MAC®) promotes photobiological effects of an anti-inflammatory and healing nature. Its therapeutic radiation is emitted, producing photobiostimulant effects that result in rapid tissue repair and better tissue quality. The treatment of burns has always been a challenge, which involves both performing surgery and controlling and guiding scar regeneration, avoiding possible morbidities. Objective: To evaluate the effects of applying the MAC methodology with an AlGa (aluminum, gallium arsenide) laser on the time and quality of tissue repair in the skin of rats after induced chemical burns. Method: 22 adult male rats were subjected to a second-degree chemical burn on the back using 50% trichloroacetic acid. After the burns, the animals were randomly separated into 2 groups: control and experimental. The control group (G1) received placebo laser therapy and the laser group (G2) underwent laser irradiation with an energy density of 100 J/cm2. Histological analysis and macroscopic evaluation were carried out by means of the paper template method. Results: Group G1 showed (53%) of the necrosis area and group G2 showed (11%) necrosis area. Conclusion: The cicatricial acceleration method (MAC®) favored the repair of wounds caused by a 2nd-degree chemical burn, optimizing time and improving quality.

关键词： Chemical Burn Healing Scarring Cicatricial Acceleration Method (MAC®) Tissue Repair

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Metamorphism and exhumation of basement gneiss domes in the Quadrilátero Ferrífero:Two stage dome-and-keel evolution?

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Geoscience Frontiers 2019年第5期10卷 1765-1787页

作者： Kathryn Cutts Cristiano Lana Fernando Alkmim Federico Farina Hugo Moreira viviane Coelho Applied Isotope Research Group Departamento de GeologiaEscola de MinasUniversidade Federal de Ouro PretoMorro do Cruzeiro35400-000Ouro PretoMGBrazil Department of Earth Sciences University of GenevaRue des Maraihers 131205GenevaSwitzerland School of Earth and Environmental Sciences University of PortsmouthBurnaby BuildingBurnaby RoadPortsmouthPO1 3QLUK

The presence of dome-and-keel provinces in Archean cratons has been connected with the initiation of plate tectonics on Earth as these features are most commonly observed in Archean *** Quadrilátero Ferrífero in Brazil has been identified as a Paleoproterozoic dome-and-keel province for more than three *** prevailing model suggests that it formed during the Rhyacian Transamazonian orogeny,making it unique among dome-and-keel ***,a lack of appropriate lithologies,datable minerals and the metamorphic overprint of later orogenesis has resulted in a cryptic metamorphic record for the formation of this dome-and-keel province.A clinopyroxene-bearing migmatite from the core of the Bacao dome has peak P-T conditions of 5-7 kbar and 700-750 ℃ and a published age of ca.2730 Ma based on U-Pb ages of zircon from leucosomes,suggesting that this age represents the migmatisation event.A fine-grained epidote-albite-titanite assemblage overprints the coarse-grained clinopyroxene and amphibole,giving P-T conditions of 8-9 kbar and 550℃ with an associated titanite age of ca.2050 Ma.A garnet-bearing amphibolite sample also from the core of the dome has peak P-T conditions of 7-8 kbar and 650-700℃,and texturally late titanite from this sample produces an age of ca.2060 *** additional samples were collected from the edges of the dome.A garnet-gedrite bearing felsic schist produces peak P-T conditions of 8-9 kbar and 650-700℃ on a clockwise P-T *** sample has a U-Pb zircon age of ca.2775 Ma,which could date metamorphism or be the age of its volcaniclastic *** unconstrained titanite from the sample gives an age of ca.2040 Ma.A garnet-bearing amphibolite that occurs as a boudin within the felsic schist gives both zircon and titanite ages of ca.2050 Ma and has peak P-T conditions of 5-6 kbar and 650-700 ℃ on a near isobaric P-T *** amphibolite dike,observed to cross-cut the felsic schist produces a zircon U-Pb age of ca.2760 Ma

关键词： Sao Francisco Craton Zircon U-Pb Titanite U-Pb Phase diagrams Dome-and-keel

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Development and evaluation of a patient decision aid for pediatric interval appendectomy

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World Journal of Pediatric Surgery 2022年第4期5卷 275-281页

作者： Victoria Larocca Irina Oltean viviane Grandpierre Ahmed Nasr Children's Hospital of Eastern Ontario Research Institute OttawaOntarioCanada Pediatric Surgery Children's Hospital of Eastern OntarioOttawaOntarioCanada

Objective One option for the treatment of perforated appendicitis in pediatric patients is interval appendectomy(IA).A patient decision aid(PDA)can be useful in the decision-making process regarding *** purpose of this study was to evaluate parents’decisional conflict before and after engaging with a developed *** Participants included(a)parents who are considering IA surgery for their child,(b)have not yet had their follow-up appointment postdischarge,and(c)were fluent in either the official languages of English or *** study used a pretest and post-test design to measure participants’decisional conflict and treatment option *** and acceptability of the PDA were also *** A total of 18 participants completed the study(16 mothers).Major findings include significant decreases in all Decisional Conflict Scale items from pre-PDA to post-PDA engagement,except for one *** majority of participants perceived the PDA to be useful,easy to find information regarding risks and provided enough information to help them make a decision regarding their child’s *** This is the first study to develop and evaluate a PDA among parents who are making a decision regarding IA *** results showed a significant decrease in decisional conflict after using the *** results also showed that the PDA was generally accepted among parents and had positive perceptions regarding length,content,and *** use of PDA for this population can help ease feelings of decisional conflict and equip parents with the information to make informed decisions.

关键词： decision enough conflict

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Addressing barriers to evidence- based medicine in pediatric surgery: an introduction to the Canadian Association of Paediatric Surgeons Evidence- Based Resource

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World Journal of Pediatric Surgery 2022年第1期5卷 25-29页

作者： viviane Grandpierre Irina Oltean Manvinder Kaur Ahmed Nasr Department of Surgery Children's Hospital of Eastern OntarioOttawaOntarioCanada University of Ottawa OttawaOntarioCanada

Background Pediatric surgical practice lags behind medicine in presence and use of evidence,primarily due to time constraints of using existing tools that are not specific to pediatric surgery,lack of sufficient patient data and unstructured pediatric surgery training *** We developed,disseminated and tested the effectiveness of an evidence-based resource for pediatric surgeons and researchers that provides brief,informative summaries of quality-assessed systematic reviews and meta-analyses on conflicting pediatric surgery *** Responses of 91 actively practicing surgeons who used the resource were *** majority of participants found the resource useful(75%),improved their patient care(66.6%),and more than half(54.2%)found it useful in identifying research *** all participants reported that the resource could be used as a teaching tool(93%).Conclusion Lack of awareness of the resource is the primary barrier to its routine use,leading to potential calls for more active dissemination *** of the Canadian Association of Paediatric Surgeons Evidence-Based Resource find that the summaries are useful,identify research gaps,help mitigate multiple barriers to evidence-based medicine,and may improve patient care.

关键词： pediatric surgery routine

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