42 research outputs found

    Bicycle Friendly Community Assessment Spring 2015

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    Completed by Cal Poly, San Luis Obispo City & Regional Planning students enrolled in a bicycle and pedestrian planning course (CRP 425), under the direction of Dr. William Riggs this report was designed to gather data in advance of the City of San Luis Obispo\u27s application to be a Bicycle Friendly Community. The report focuses on the key certification areas of Engineering, Education, Encouragement, Evaluation/Planning and Enforcement providing documentation for the City\u27s eventual application

    Carcinoma adenĂłide cĂ­stico do pulmĂŁo : Adenoid cystic carcinoma of the lung

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    Introdução: O carcinoma adenĂłide cĂ­stico primĂĄrio de pulmĂŁo Ă© uma neoplasia torĂĄcica de crescimento lento e com malignidade de baixo grau. Representa 0,04 a 0,2% de todos os tumores pulmonares, sendo considerada uma neoplasia rara. Apresentação do caso: Paciente, sexo masculino, 49 anos de idade, foi admitido no Hospital Santa Casa de MisericĂłrdia de Goiania, apresentando tosse persistente, dispneia, hemoptise e cerca de 4 episĂłdios previos de pneumonia; negou comorbidades, etilismo e tabagismo, uso de medicamentos e alergias conhecidas. DiscussĂŁo: O adenocarcinoma pulmonar possui como subtipo o carcinoma adenĂłide cĂ­stico. Anteriormente conhecido como cilindroma. TĂȘm baixo grau de malignidade principalmente pelo seu lento crescimento e curso clĂ­nico estendido. ConclusĂŁo: Por se tratar de uma baixa malignidade, a sobrevida a longo prazo Ă© satisfatoriamente prevista

    Cisto cavum interpositum: Cavum interpositum cyst

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    Introdução: O velum interpositum (VI) Ă© uma membrana no subaracnĂłideo formado por uma invaginação da pia-mĂĄter preenchido por lĂ­quido cefalorraquidiano (LCR). Sua formação ocorre durante o perĂ­odo embrionĂĄrio e regridem posteriormente. A persistĂȘncia dessa estrutura primitiva pode acarretar em sua dilatação, sendo denominado cavum veli interpositum (CVI) e, se maior que 10 mm em medida transversal axial, cisto cavum veli interpositum. Sua prevalĂȘncia Ă© maior em recĂ©m nascidos e prematuros. Apresentação do caso: paciente do sexo masculino, recĂ©m-nascido de 10 dias, foi admitido no Hospital Materno Infantil (HMI), por quadro de vĂŽmitos intermitentes, associado a febre de 39.5ÂșC. A mĂŁe relata prematuridade de 31 semanas, trabalho de parto prolongado, cesariana e apresentação pĂ©lvica. RN teve um episĂłdio convulsivo minutos antes da chegada Ă  unidade. Nega outras queixas. A ressonĂąncia magnĂ©tica destaca-se como exame padrĂŁo ouro, seguido da tomografia computadorizada de crĂąnio. DiscussĂŁo: Os cistos de CVI nĂŁo apontam fisiopatologia e quadro clĂ­nico bem definidos, mas os conhecimentos acerca de sua localização sĂŁo importantes para correlacionar sinais e sintomas neurolĂłgicos que condizem com efeito de massa, sendo um diagnĂłstico diferencial de lesĂ”es cĂ­sticas intracranianas da linha mĂ©dia. A terapĂȘutica ainda Ă© restrita, mas hĂĄ muitos relatos de casos em que a tĂ©cnica de fenestração endoscĂłpica minimamente invasiva foi preconizada para o tratamento dos cistos de CVI. ConclusĂŁo: Quanto ao prognĂłstico, em Ăąmbito radiolĂłgico, estudos demonstram redução do cisto e do efeito de massa em imagem de ressonĂąncia magnĂ©tica pĂłs-operatĂłria. E, apesar da resposta clĂ­nica ser dependente se os sintomas sĂŁo decorrentes direta ou indiretamente do cisto, tambĂ©m demonstraram melhora nessa esfera

    Abstracts from the 3rd International Genomic Medicine Conference (3rd IGMC 2015)

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    Innovations en Chirurgie colorectale. Que retenir de 2015?

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    Cette annĂ©e aura Ă©tĂ© marquĂ©e par le dĂ©but de la chirurgie colorectale assistĂ©e par robot au sein des Cliniques universitaires Saint-Luc. La chirurgie assistĂ©e par robot est une technique chirurgicale nouvelle qui a Ă©tĂ© mise au point pour pallier les limitations techniques de la chirurgie laparoscopique. En effet, contrairement aux instruments rectilignes et rigides de la laparoscopie classique, les bras du robot ainsi que ses instruments permettent des mouvements imitant parfaitement ceux du poignet et de la main du chirurgien. AssociĂ©es Ă  une vision 3D du champ opĂ©ratoire, Ă  un grossissement de 10 fois et Ă  un filtrage du tremblement physiologique, ces caractĂ©ristiques, et d’autres encore, sont la clĂ© d’une chirurgie mini-invasive extrĂȘmement prĂ©cise et sĂ»re.[Colorectal surgery in the robotic era] The year 2015 has been marked by the initiation of robotic-assisted colorectal surgery at the Cliniques universitaires Saint-Luc. Robotic surgery is a new surgical technology, which attempts to overcome the technical limitations of laparoscopic surgery. Contrary to the rectilinear and rigid instruments used in classical laparoscopy, the robot’s arms and instruments allow for intuitive movements that perfectly mimic those of the surgeon’s wrist and hand. Along with the 3D magnified vision of the operating field and filtering of physiological tremor, these features in addition to others are key to the precision and safety of minimally invasive surgery

    Salvage surgery for anal squamous carcinoma: Abdominoperineal resection, perineal colostomy

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    Although the treatment of anal squamous carcinoma is primarily medical, abdomino-perineal resection remains the only alternative treatment if primary chemoradiotherapy is contraindicated or is unsuccessful. Salvage surgery for anal squamous carcinoma requires wide excision of the anal sphincter and permanent abdominal colostomy. Such major surgery in an irradiated field is associated with significant morbidity from delayed wound healingm, but this can be reduced by the use of myocutaneous flaps, whilst perineal colostomy allows a permanent abdominal stoma to be avoided. These techniques have been employed in the management of low rectal cancer with good oncological and functional results. However, there is little data on perineal colostomy and its feasibility in squamous carcinoma is limited by the extent of the perineal surgical resection

    Spontaneous perforation of meckel’s diverticulum [Perforation spontanĂ©e d’un diverticule de Meckel]

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    Un patient ĂągĂ© de 39 ans consulte pour de la fiĂšvre accompagnĂ©e d’une douleur pĂ©ri-ombilicale. Le scanner abdominal permet de poser le diagnostic d’un diverticule de Meckel inflammatoire. Le traitement consiste en une diverticulectomie par laparotomie au cours de laquelle une perforation est constatĂ©e. Actuellement, il n’existe aucun consensus sur la technique radiologique Ă  utiliser pour poser le diagnostic de cette pathologie. Le traitement est toujours chirurgical. Il n’y a pas d’accord quant Ă  la technique opĂ©ratoire Ă  privilĂ©gier entre une diverticulectomie et une rĂ©section du segment intestinal comprenant le diverticule. De plus, le dĂ©bat persiste sur la voie d’abord Ă  entreprendre mĂȘme si l’approche la moins invasive est Ă  favoriser

    SnO/ÎČ-Ga2O3 vertical pn heterojunction diodes

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    As a contribution to (transparent) bipolar oxide electronics, vertical pn heterojunction diodes were prepared by plasma-assisted molecular beam epitaxy of unintentionally doped p-type SnO layers with hole concentrations ranging from p=1018 to 1019 cm−3 on unintentionally doped n-type ÎČ-Ga2O3(−201) substrates with an electron concentration of n=2.0×1017 cm−3. The SnO layers consist of (001)-oriented grains without in-plane epitaxial relation to the substrate. After subsequent contact processing and mesa-etching (which drastically reduced the reverse current spreading in the SnO layer and associated high leakage), electrical characterization by current–voltage and capacitance–voltage measurement was performed. The results reveal a type-I band alignment and junction transport by thermionic emission in forward bias. A rectification of 2×108 at ±1 V, an ideality factor of 1.16, a differential specific on-resistance of 3.9 m Ω cm2, and a built-in voltage of 0.96 V were determined. The pn-junction isolation prevented parallel conduction in the highly conductive Ga2O3 substrate during van-der-Pauw Hall measurements of the SnO layer on top, highlighting the potential for decoupling the p-type functionality in lateral transport devices from that of the underlying n-type substrate. The measured maximum reverse breakdown voltage of the diodes of 66 V corresponds to a peak breakdown field of 2.2 MV/cm in the Ga2O3-depletion region and suggests the low bandgap of the SnO (≈0.7 eV) not to be the limiting factor for breakdown. Higher breakdown voltages that are required in high-voltage devices could be achieved by reducing the donor concentration in the ÎČ-Ga2O3 toward the interface to increase the depletion width, as well as improving the contact geometry to reduce field crowding
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