868 resultados para Anestesia intravenosa
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Pós-graduação em Medicina Veterinária - FCAV
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Pós-graduação em Artes - IA
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Anestesiologia - FMB
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Pós-graduação em Anestesiologia - FMB
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Alterações de volemia podem ser causadas por diferentes situações fisiológicas como vômito, diarreia, aumento da ingestão de sódio, ou pelo uso de diuréticos. A depleção de sódio produzida pela injeção subcutânea (s.c.) do diurético furosemida acompanhada de uma dieta deficiente em sódio por 24 horas é um modelo amplamente utilizado no nosso laboratório para o estudo do apetite ao sódio. A depleção de sódio com o diurético furosemida promove um aumento da excreção de sódio e água, levando a alterações no balanço hidroeletrolítico corporal dos, ativando assim respostas comportamentais, hormonais e autonômicas para corrigir tais mudanças e restaurar a homeostase. Estudo do nosso laboratório demonstrou que apesar de apresentarem redução de volume plasmático, não se observa alterações significativas da pressão arterial em ratos com 24 h de depleção de sódio pelo tratamento com o diurético furosemida combinado com uma dieta deficiente de sódio. Desta forma, no presente estudo investigamos o papel do sistema renina-angiotensina pela injeção periférica de losartan (antagonista de receptores AT1 de angiotensina) e do sistema vasopressinérgico pela injeção periférica de composto de Manning (antagonista de receptores V1 de vasopressina) na manutenção da pressão arterial de ratos depletados de sódio. Foram utilizados ratos Holtzman (280-300 g, n=73) com cateter inserido na artéria femoral para registro da pressão arterial pulsátil (PAP) e veia femoral para injeção intravenosa (i.v.) de losartan ou composto de Manning. A pressão arterial média (PAM) e frequência cardíaca (FC) foram calculadas a partir do registro da PAP. A depleção de sódio foi induzida pelo tratamento com o diurético furosemida injetado subcutaneamente (s.c.) combinado com uma dieta deficiente em sódio por 24 h e livre acesso a água. Os parâmetros cardiovasculares foram medidos em ratos depletados de sódio (tratados...
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The non-eruption of teeth due to highly keratinized gingival mucosa is a frequent event in the pediatric dentistry, which harms the oral aesthetics and function. A surgical excision of the involved area is indicated, exposing the non-erupted tooth. This procedure involves anesthesia and cutting instruments that may increase the fear and anxiety in young patients. The use of new technologies has avoided these instruments and has promoted more comfort to the patients. This study presents clinical cases in which gingivectomy was performed using the innovative method with an ultrasound-activated CVD tip. It was concluded that this method presented effectiveness, promoted more comfort, and less fear to the patients, making its use a viable alternative to pediatric surgery.
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Over the last few years, new technologies have been developed to making cavity preparations, among which the diamond burs CVDentus® (CVDentus, São José dos Campos, Brazil) are outstanding. These points are produced by chemical deposition from the vapor phase, forming a single diamond stone, with greater durability than the conventional diamond burs. Coupled to the ultrasound appliance, they have several clinical applications in Dentistry with advantages over conventional rotary instruments, such as lower pressure, noise, vibration and heat, as well as reducing the need to use local anesthesia, contributing to minimize patient’s fear and anxiety. The aim of this study was to present the complete restorative dental treatment performed with this system in a child patient with a prior history of non-cooperative behavior. The use of this new technology offered the patient greater comfort, making it possible recondition the patient’s attitude to dental treatment, in addition to favoring conservative cavity preparations to be made.
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Objective: This study aimed at evaluating the difficulties reported by last-year dentistry course students regarding basic and surgical periodontal procedures. Methods: A proposed questionnaire with 24 questions, 14 related to basic periodontal procedures and 10 to surgical procedures, was applied to 45 undergraduate students with jobs involving these procedures, during the practical activities of the Integrated Clinic Discipline, a compulsory subject in the curriculum of the course, taught to last-year students. Students were asked about their own perceptions of the difficulties in implementing the various steps related to the treatments. The degree of individual difficulty was determined according to the Likert scale: 0 = none, 1 = mild, 2 = moderate, 3 = high, 4 = very high. Exploratory analysis of data was applied, and the difficulty level was also dichotomized into none to mild (scores 0 and 1) and moderate to very high (scores 2–4). Results: Regarding the basic periodontal treatment, bone level probing was the procedure with the highest number of student difficulties (57.5%). As for the difficulties reported by students regarding the stages of periodontal surgery, only the procedures related to anesthesia and suture removal had no report of doubts. Conclusion: Periodontal surgery was the procedure involving the most prevalent questions reported as moderate to very high, and the indication for the most suitable surgical technique was the stage with the highest percentage of questions (66.6%) among the undergraduates.