128 resultados para Ultrassonografia doppler


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Tendinous lesions are very common in athlete horses. The process of tendon healing is slow and the quality of the new tissue is often inferior to the original, leading in many cases to recurrence of the lesion. One of the main reasons for the limited healing capacity of tendons is its poor vascularization. At present, cell therapy is used in equine practice for the treatment of several disorders including tendinitis, desmitis and joint disease. However, there is little information regarding the mechanisms of action of these cells during tissue repair. It is known that Mesenchymal Stem Cells (MSCs) release several growth factors at the site of implantation, some of which promote angiogenesis. Comparison of blood flow using power Doppler ultrasonography was performed after the induction superficial digital flexor tendon tendinitis and implantation of adipose tissue-derived MSCs in order to analyze the effect of cell therapy on tendon neovascularization. For quantification of blood vessel histopathological examinations were conducted. Increased blood flow and number of vessels was observed in treated tendons up to 30 days after cell implantation, suggesting promotion of angiogenesis by the cell therapy.

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Radiography is usually the primary method of diagnosis to be used in the initial evaluation of the chest. In view of recent technological advances in ultrasound machines, noncardiac transthoracic ultrasound has become an important method of diagnosis for diseases of the lung, pleura, mediastinum and chest wall. Despite limitations due to the difficulty of efficient sound propagation in air, this exam allows fast decisions and makes sample collection safer and more effective. Knowledge of the sonographic chest anatomy is however restricted because of the artifact caused by the presence of air in lungs. When absent, it facilitates the detection of thoracic alterations. The aim of this review is to present the main abnormalities that are likely to be detected by ultrasonography.

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Fundação de Apoio 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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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Anestesiologia - FMB