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Evaluation of a Suspended Personal Radiation Protection System vs. conventional Apron and Shields in clinical Interventional Procedures

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Open Journal of Radiology 2013年第3期3卷 143-151页

作者： clare Savage Thomas M. Seale IV cathryn J. Shaw Bruner P. Angela daniel Marichal chet R. Rees Department of Radiology Medical Center Baylor University Dallas USA River city Imaging San Antonio USA

Purpose: This clinical study compares conventional lead aprons and ancillary shields to a functionally weightless personal overhead-supported system with expanded coverage. Materials and Methods: Primary operators performed procedures (N = 126, fluoroscopy minutes = 1209) using one of 2 methods of radiation protection and wearing dosimeters on multiple body locations. Method “LAS” (Lead-Apron+Shields): lead skirt, vest, thyroid shield, with 100% use of under-table shield, side shield, and mobile suspended lead-acrylic shield. Method “Zgrav”: ZeroGravity system (cFI Medical Solutions) with variable use of shielding. The studied early model moving with the operator had a curved lead-acrylic head shield (0.5 mm Pb) and expansive lead apron (0.5 - 1.0 mm Pb) that covered leg to distal calf and proximal arm to elbow, and a drape that permitted sterile entry and exit. Study was institutional review board approved and HIPPA-compliant. Results: Measured with a sensitive electronic dosimeter, eye exposures were 99% (P 0.001) reduced for Zgrav with upgraded face shield vs. LAS, regardless of use or non-use of suspended shield with Zgrav. With optically stimulated luminescence (OSL) dosimeters, operator exposures, standardized to minutes of fluoroscopy and Fluoroscopic Patient Dose Area Product, were reduced by 87% - 100% for eye & head, neck, humerus, and tibia (Zgrav vs. LAS). Overall eye & head exposure reduction for entire study was 94%. Non-equivalence of torso exposures was not demonstrated. A brief user survey showed ergonomic advantages of Zgrav. conclusion: compared to conventional lead aprons with shields, the suspended system provided superior operator protection during interventional fluoroscopy, allowing operators to perform procedures without potentially obstructive shields.

关键词： Radiation Protection Radiation Fluoroscopy

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马克思主义文学批评导览

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国外理论动态 2021年第3期 16-24页

作者：丹尼尔·哈特利宁艺阳(译) 陈后亮(译) 英国杜伦大学英文系华中科技大学外国语学院

从马克思和恩格斯开始,马克思主义者就十分关注文学与阶级意识形态的关系。此后,马克思主义文学批评历经了多个世纪的发展,逐渐成为西方现代文学批评理论中最重要、最有活力的分支之一。本文旨在为读者提供一份西方马克思主义文学批评... 详细信息

从马克思和恩格斯开始,马克思主义者就十分关注文学与阶级意识形态的关系。此后,马克思主义文学批评历经了多个世纪的发展,逐渐成为西方现代文学批评理论中最重要、最有活力的分支之一。本文旨在为读者提供一份西方马克思主义文学批评的导览图,文中涵盖了该领域诸多重要的文献,大致按照时间顺序提纲挈领地梳理了从马克思到斯大林时代的俄国、"西方马克思主义"、英美马克思主义文学批评以及当代批评等四个阶段的代表性人物和主要著作。

关键词：西方马克思主义文学批评意识形态

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Inside the Bronchus

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Open Journal of Internal Medicine 2020年第2期10卷 239-243页

作者： carina Rôlo Silvestre André Nunes Ricardo cordeiro daniel Duarte João Eusébio Teresa Falcão António Domingos Pulmonology Department Centro Hospitalar do Oeste Torres Vedras Portugal

Tumor necrosis factor inhibitors contribute to a greater susceptibility to infection or reactivation of Mycobacterium tuberculosis. Endobronchial tuberculosis has non-specific symptoms, which may delay the diagnosis. We report a case of a 21-year-old woman, with crohn’s disease, medicated with adalimumab. The patient presented with a 2-week history of fever, dry cough, pleuritic chest pain and weight loss of 2 kg. chest imaging showed bilateral nodular opacities, at the right pulmonary apex. Bronchoscopy revealed a tumorous lesion in the right upper bronchus. Bronchial biopsies were suggestive of chronic granulomatous inflammation. Bronchoalveolar lavage produced a positive for acid-fast bacilli smear and culture for Mycobacterium tuberculosis. We assumed the diagnosis of tuberculosis with endobronchial manifestations. Nowadays this is a rare manifestation. Empirical treatment for tuberculosis was initiated, with steroids as an adjunct therapy to prevent bronchostenosis, with clinical and radiological improvement.

关键词： Tuberculosis crohn’s Disease TNF-α Inhibitors

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Evaluation of the Microclinic Social Network Model for Palestine Refugees with Diabetes at UNRWA Health centers

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Journal of Diabetes Mellitus 2018年第4期8卷 99-113页

作者： Yousef M. Shahin Nada Abu Kishk Yassir Turki Suha Saleh Eric L. Ding daniel E. Zoughbie Akihiro Seita United Nations Relief and Works Agency for Palestine Refugees in the Near East Amman Jordan Microclinic International San Francisco USA Harvard chan School of Public Health Department of Nutrition Boston USA

Background: UNRWA provides primary healthcare for around 5.9 million Palestine refugees (PRs) in Jordan, Lebanon, Syria, West Bank and Gaza. In 2015, UNRWA started, in cooperation with Microclinic International (McI), to implement an innovative diabetes program, aiming at improving awareness about diabetes care among PRs with Diabetes Mellitus (DM). This program takes advantage of a unique model of “microclinic” McI social network program, a novel social network based on diabetes education intervention. Methods: A quasi-experimental study was conducted to evaluate the impact of the UNRWA-McI program in 115 UNRWA’s Hcs in Jordan, Lebanon, West Bank and Gaza. 1000 participants were randomly selected from around 60,000 participants in the program. After training 996 nurses on UNRWA-McI diabetes care modules, groups of 10 - 15 participants with their social networks (around 20 participants in each group) attended eight weekly sessions, during which the program was introduced. Anthropometric and blood pressure (BP) measurements were collected on weekly basis, while glycated hemoglobin (HbA1c) was tested before involvement in the program and after completion of sessions with a three month period between both measurements. SPSS Version 22 was used for data analysis. The study protocol was reviewed and cleared by UNRWA, Health Department ethical committee. Results: Out of 1000 patients randomly selected for the evaluation of the impact of the program, 969 (81.9% females, 18.1% males) have completed the study. The average weight loss was 2.0 ± 4.6 Kg and significant improvements were seen in waist circumference (Wc), HbA1c and BP (p ≤ 0.001 for all). Overall drop in HbA1c was 0.6 ± 1.2 with 8.5% increase in patients with HbA1c crease in those with HbA1c ≥ 7.0. About 10.0% of patients with abnormal BP (higher than 140/90 mg/dl based on UNRWA’s criteria for BP of diabetics) had shifted to normal BP. conclusions and Recommendations: UNRWA-McI program improved a

关键词： UNRWA Microclinic International Diabetes care Education HbA1c

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Assessment of Image Quality Parameters for computed Tomography in the city of Yaoundé

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Open Journal of Radiology 2018年第1期8卷 37-44页

作者： calvin Didier Njiki Joseph Eric Martial Ndjaka Manyol Yolande Ebele Yigbedeck daniel William Abou’ou Blaise clovis Yimele Jean Faustin Sabouang National Radiation Protection Agency Yaoundé Cameroon

Performance evaluation of computed tomography is not significant in the Republic of cameroon in general and more particularly in the city of Yaoundé. Therefore, this work aimed to analyze image performances of 05 cT scanners in 05 medical facilities in the city of Yaoundé, by using the catphan 700 phantom and test procedures of the Atomic Energy Agency. Five quality control tests were performed on each cT-Scanner. All the cT scanners evaluated showed good results and were not disapproved in three of the five tests performed. The difference between the measured spatial resolution for each of the five cT scanners and the spatial resolution specified by the manufacturer was very high. The low contrast resolution of four of the five cT scanners was found low when compared to the low contrast resolution specified by the manufacturers.

关键词： cT Image Quality catphan 700

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Recent Extremes of Drought and Flooding in Amazonia: Vulnerabilities and Human Adaptation

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American Journal of climate change 2013年第2期2卷 87-96页

作者： Jose A. Marengo Laura S. Borma daniel A. Rodriguez Patrícia Pinho Wagner R. Soares Lincoln M. Alves Earth System Science center ccST/National Institute for Space Research INPE Sao Paulo Brazil

The present study focuses on the impacts of extreme drought and flooding situations in Amazonia, using level/discharge data from some rivers in the Amazon region as indicators of impacts. The last 10 years have featured various “once in a century” droughts and floods in the Amazon basin, which have affected human and natural systems in the region. We assess a history of such hazards based on river data, and discuss some of the observed impacts in terms of vulnerability of human and natural systems, as well as some of adaptation strategies implemented by regional and local governments to cope with them. A critical perspective of mitigation of drought and flood policies in Amazonia suggests that they have been mostly ineffective in reducing vulnerability for the majority of the population, constituting, perhaps, examples of maladaptation via the undermining of resilience.

关键词： climate Variability River Level Vulnerability Amazonia Extremes Hazards

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Evaluation of the Knowledge and Practice about Diabetes Mellitus of Adult Population in Porto Novo (Benin)

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Journal of Diabetes Mellitus 2016年第3期6卷 204-207页

作者： Finangnon Armand Wanvoegbe Kouessi Anthelme Agbodandé Arnaulde Amoussou-Guenou Fandi Marius Boko Adébayo Alassani Annelie Kerekou daniel Amoussou-Guenou Departmental Teaching Hospital of “Oueme-Plateau” (cHUD-OP) in Porto-Novo Porto-Novo Benin National Teaching Hospital of cotonou (cNHU) Cotonou Benin clinic of Akpakpa in cotonou Cotonou Benin

Background: Diabetes mellitus is one of the most common non-communicable diseases in the world. The aim of our study was to assess the level of knowledge of the adult population of Porto-Novo on clinical manifestations and complications of diabetes mellitus. Methods: It is a descriptive cross-sectional study conducted under STEP wise approach. It took place from June 1 to July 28, 2014. Results: A total of 240 subjects were included in the study. The mean age of the subjects was 46.07 years ± 12.63 years, ranging from 25 to 80 years. Subjects age between 35 - 45 years are the most represented. Women were mostly represented 162 against 78 men respectively 67.5% against 32.5% with sex ratio of 0.48. The majority of the subjects were scholar (73.3%). For clinical manifestations of diabetes mellitus, 64.2% of subjects had quoted polyuria, asthenia 57.5%, 56.7% weight loss. Polydipsia and polyphagia were less familiar with, respectively, 27.5% and 23.3%. Regarding the complications of diabetes, diabetic foot and coma were the best known, respectively, 78.8% and 58.8%. Nephropathy (45.0%), 39.6% retinopathy and neuropathy (21.7%) were the least known. The prevalence of physical inactivity in this study population was 95.0%. It was 98.1% in women versus 88.5% for men. conclusion: Diabetes mellitus, whose prevalence is steadily increasing, is not yet well known in our population.

关键词： Knowledge Diabetes Porto-Novo

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Orthognathic Surgery combined with Partial Lipectomy of the Buccal Fat Pad： case Report on Optimization of Esthetic Outcome

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Journal of Pharmacy and Pharmacology 2017年第8期5卷 565-571页

作者： daniel Amaral Alves Marliere caio Bellini Lovisi Alan Robert Moreira Schmitt Bruno Salles Sotto-Maior Henrique Duque de Miranda chaves Netto MSc in clinical Dentistry- Juiz de Fora Dental School Federal University of Juiz de Fora Juiz de Fora 36036-300 Brazil MSc in Dentistry - Dental School University of the State of Rio de Janeiro Rio de Janeiro 20551-030 Brazil Lecturer in Dentistry- Juiz de Fora Dental School Federal University of Juiz de Fora Juiz de Fora 36036-300 Brazil

Orthognathic surgery involves correction of functional and often esthetic disharmonies. The purpose of this case report is topresent the case of a 22 years-old female with class III dentofacial deformity that required orthognathic surgery to treat hermalocclusion and buccal fat pad excision for optimizing soft-tissue facial contour. Treatment planning involved a counterclockwiserotation of the maxilomandibular complex with genioplasty based on digital 3D surgical planning using the Dolphin Imaging 11.7 3DPremium software. Prototyping splints allowed surgical procedures （bilateral sagital mandibular osteotomy associated to a Le fort Iosteotomy） that corrected position of the gnathic bones. In the same surgical procedure, the buccal fat pad was partially removed for asharp cheek contour giving a slimmer appearance to her face. After 5 months, the patient was reassessed and reported no complaintsregarding esthetics or function. This case illustrates that a combination oforthognathic surgery and an esthetic procedure can result in astable and harmonious facial as well as occlusal outcomes.

关键词： Orthognathic surgery, occlusal plane, malocclusion, buccal fat pad, aesthetic procedure.

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超现实主义与西方视野下的中国书法观念

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艺术与设计 2024年第6期294卷 158-161页

作者： [英]大牛清华大学美术学院

第一次世界大战的巨大破坏让欧洲人反思战争的原因,在激烈的辩论当中超现实主义(Surrealism)成为现代艺术新浪潮,引领着一波前所未有的艺术探索。然而,该浪潮为西方视野下的中国书法造成了某些误区,有的至今仍未消除。本文将探索书法的... 详细信息

第一次世界大战的巨大破坏让欧洲人反思战争的原因,在激烈的辩论当中超现实主义(Surrealism)成为现代艺术新浪潮,引领着一波前所未有的艺术探索。然而,该浪潮为西方视野下的中国书法造成了某些误区,有的至今仍未消除。本文将探索书法的抽象性问题以及超现实主义对西方人理解书法所造成的影响。

关键词：书法观念超现实主义反思战争艺术探索新浪潮西方视野第一次世界大战抽象性

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展望全球音乐学

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音乐艺术（上海音乐学院学报） 2020年第1期 142-150页

作者：蔡宽量徐璐凡(译) 香港大学音乐系国际音乐学协会上海音乐学院音乐学系上海200030

什么是全球音乐学?通过定义“全球的”(global)与“音乐学的”(musicological),展示我们重新反思音乐学家任务与方法的必要性。作为一种建立连接的方法,全球音乐学影响了音乐学者的互动模式。全球音乐学要求我们回归一系列最基本的问题... 详细信息

什么是全球音乐学?通过定义“全球的”(global)与“音乐学的”(musicological),展示我们重新反思音乐学家任务与方法的必要性。作为一种建立连接的方法,全球音乐学影响了音乐学者的互动模式。全球音乐学要求我们回归一系列最基本的问题,关于我们研究的本体,我们的身份,我们的实践,以及我们先入为主的观念。全球音乐学向我们展示了当前的音乐学是何其支离破碎,以及在连接其他学科前,在最基础的层面上,依然有着诸多问题亟待解决。

关键词：全球音乐学全球化国际音乐学学会(IMS)

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