Encontrados 229 documentos, a visualizar página 1 de 23
Diabetic foot with acute infection: treatment in the Portuguese Emergency Depar...
Neves, José; Serviço de Cirurgia 2.6, Hospital de Santo António dos Capuchos – Centro Hospitalar de Lisboa Central, Lisboa, PortugalDiabetic foot is a common major complication of Diabetes mellitus. The general surgeon is responsible for its diagnosis and treatment. Acute infection is a medical and surgical emergency. This article aims to guide the surgeon in the diagnosis and treatment of infected diabetic foot in the emergency department. Broad-spectrum antibiotics, surgical drainage/debridement in the emergency department, inpatient, lyi...
Cianose Central Neonatal: nem sempre cardíaca, nem sempre pulmonar
Spinola, Ana Isabel Franco; Centro Hospitalar e Universitário de Coimbra, EPEA cianose congénita está frequentemente associada a patologias que diminuem a oxigenação da hemoglobina (Hb) ou sua capacidade para libertar o oxigénio (O2). Descritos 3 casos de cianose neonatal que apresentavam baixa saturação tecidular de O2, com fraca resposta à oxigenoterapia e níveis de MetaHb elevados. A cianose diminuiu gradualmente, concomitantemente com a redução dos níveis de MetaHb, sugestivo da pre...
School Dropout Screening through Artificial Neural Networks based Systems
Figueiredo, Margarida; Vicente, Lídia; Vicente, Henrique; Neves, JoséSchool dropout is one of the major concerns of our society. Indeed, it is a complex phenomenon, resulting in economic and social losses, either to the individual, family or the community to which the person belongs. Academic difficulty and failure, poor attendance, retention, disengagement from school together with family and socio-economic reasons can lead to such occurrence. In this work Logic Programming was...
Evaluation of Concrete Deterioration through Artificial Neural Networks based S...
Gomes, Guida; Vicente, Henrique; Neves, JoséThe deterioration of concrete structures is one of the major concerns of our society. Indeed, concrete is a relatively sensitive material, which degrades throughout time. Factors like age, use, periodic maintenance, type of environmental exposure and aggression by biological, chemical, mechanical and physical agents are important to determine the level of degradation of the concrete structures. Logic Programmin...
An Engine Oil Replacement Timeline
Neves, José; Ferraz, Filipa; Vicente, Henrique; Novais, PauloEngine oil conditions are crucial either for the proper engine function and to calculate the oil´s lifetime. Factors like rotation per minute, temperature, trip length, clarity of the oil is important to determine the level of contamination of the engine oil. Thus, the type of engine heating cycles, the power of the engine and the components of the oil used are also factors that determine whenever oil replaceme...
Lab Classes in Chemistry Learning - An Artificial Intelligence View
Figueiredo, Margarida; Esteves, M. Lurdes; Neves, José; Vicente, HenriqueThe teaching methodology used in lab classes in Chemistry Learning was studied for a cohort of 702 students in the 10th grade of Portuguese Secondary Schools. The k-Means Clustering Method, with k values ranging between 2 (two) and 4 (four), was used in order to segment the data. Decision Trees were used for the development of explanatory models of the segmentation. The results obtained showed that the majority...
Modelling Molecular and Inorganic Data of Amanita ponderosa Mushrooms using Art...
Salvador, Cátia; Martins, M. Rosário; Vicente, Henrique; Neves, José; Arteiro, José; Caldeira, A. TeresaAbstract Wild edible mushrooms Amanita ponderosa Malenc¸on and Heim are very appreciated in gastronomy, with high export potential. This species grows in some microclimates, namely in the southwest of the Iberian Peninsula. The results obtained demonstrate that A. ponderosa mushrooms showed different inorganic composition according to their habitat and the molecular data, obtained by M13-PCR, allowed to disting...
An Extension of the Eindhoven Classification Model to the Educational Sector
Figueiredo, Margarida; Vicente, Lídia; Vicente, Henrique; Alves, Victor; Neves, JoséThis work presents an extension of the Eindhoven Classification Model to sort adverse events root causes for the Educational Sector. Extended Logic Programming was used for knowledge representation and reasoning with defective information, allowing for the modelling of the universe of discourse in terms of default data, information and knowledge. Indeed, a systematization of the evolution process of the body of...
Prediction of bioactive compounds activity against wood contaminant fungi using...
Vicente, Henrique; Roseiro, José; Arteiro, José; Neves, José; Caldeira, A. TeresaBiopesticides based on natural endophytic bacteria to control plant diseases are an ecological alternative to the chemical treatments. Bacillus species produce a wide variety of metabolites with biological activity like iturinic lipopeptides. This work addresses the production of biopesticides based on natural endophytic bacteria, isolated from Quercus suber. Artificial Neural Networks were used to maximize the...
Uso de ECMO em recém-nascidos com hérnia diafragmática congénita – dois casos d...
Marques, Rita; Serviço de Pediatria, Hospital Garcia de OrtaAtualmente a utilização de ECMO (oxigenação por membrana extracorporal) constitui a terapêutica de última linha no tratamento da insuficiência respiratória de doentes com hérnia diafragmática congénita. Apresentam-se os casos de dois recém-nascidos com hérnia diafragmática esquerda grave, com hipoxemia e hipertensão pulmonar refratárias às medidas máximas de terapêutica convencional, que necessitaram de suporte...
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