333 resultados para esfregaço sanguíneo


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Neosporosis is an emergent disease responsible for considerable economic impact due to reproductive losses. Its zoonotic potential remains unknown. This study involved a survey of antibodies to Neospora caninum in slaughtered sheep and their association with epidemiological variables. Serum samples from 596 sheep from the states of Sao Paulo and Rio Grande do Sul, Brazil, were collected in two slaughterhouses located in Sao Paulo and evaluated by indirect fluorescence antibody test (IFAT), using cut-off titers of 25. Among these samples, 353/596 (59.23%; 95%CI 55.23-63.10) were positive and 263/353 (74.50%; 95%CI 69.71-78.77%) were from Rio Grande do Sul. Statistical associations were determined in the univariate analysis between the serological results and sex, breed and municipality of origin. Sheep that came from extensive breeding system showed higher chance (OR=2.09) of presenting antibodies to N. caninum in relation to those from semi-intensive system. Higher chance was also observed for the different studied breeds, except Bergamacia, in relation to Hampshire Down. The results revealed the presence of infection by N. caninum in sheep from slaughterhouses.

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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 Ginecologia, Obstetrícia e Mastologia - FMB

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Angiogenesis occurs as a physiologic process and is essential for normal growth and development of tissue. The ovary and its structures need adequate vascular network to ensure the availability of oxygen, nutrients, hormones, substrate, and ensure the transfer of different hormones to target cells. Then, the proper formation of this network is a limiting step for the proper functioning of this organ in general. In recent years, the local blood flow of the ovary, has been examined by color Doppler ultrasound, being able to analyze the individual follicles and the corpus luteum. This review will board the relevant aspects of the restructuring vascular ovary during the estrous cycle in female domestic large.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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The aim of this study was to investigate the use of ropivacaine combined or not with different opioids, for epidural anesthesia in bitches submitted to elective ovariosalpingohisterectomy (OSH). Thirty two mixed-breed female dogs, adults were used with medium weigh of 10.5kg. The animals were premedicated with acepromazine (0.05mg.kg-1, IM) and midazolam (0.2mg.kg-1, IM) and allocated in four experimental groups: group 1(n=8): ropivacaine: 0.3 mL.kg-1; group 2(n=8): ropivacaine + morphine (0.1 mg.kg-1); group 3(n=8): ropivacaine + butorphanol (0.1 mg.kg-1); and group 4(n=8): ropivacaine + tramadol (0.5 mg.kg-1) administered epidurally. Heart and respiratory rate; systolic arterial pressure; rectal temperature; arterial blood gas partial pressures; blood pH; sedation and muscular relaxation degree were evaluated at different experimental moments. The data were submitted to ANOVA and compared by Kruskal Wallis, Friedman, Dunn, Tukey and Chi-square test (p≤0.05). Minimum cardiorespiratory alterations were observed and the group of the ropivacaíne combined with the butorphanol (G3) presented a more cranial blockage, what allowed the accomplishment of OSH without induction in six animals (75%) whereas most of the others needed anesthetic rescue. The results allow us to conclude that the use of ropivacaine sole or combinated with morphine, butorphanol or tramadol, for epidural anesthesia, didn't promote significant cardiorrespiratory depression and the ropivacaine associated to the butorphanol allowed the accomplishment of OSH in bitches.

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Objectives: The aim of this study was to evaluate the behavior of the polymer histomorphometrically castor during the healing process of defects of critical size calvarial preparations in rats. Materials and Methods: Twenty animals underwent a surgical procedure that was to be held in the calvaria of each animal a critical defect of 8 mm in diameter with a drill trephine. The rats were divided into two groups according to the following procedures: group C received no treatment and the bone defect site was filled with blood clot, group M, the bone defect was filled with castor oil polymer particles. The animals were sacrificed 180 days after the surgical procedures. After routine laboratory procedures the specimens were subjected to analysis histomorphometric. Results: In groups C the newly formed bone tissue was well developed, with adjacent areas of osteoid matrix rich in osteoblasts, and restricted to the vicinity of the edges of the defect. In animals of group M was observed newly formed lamellar bone tissue restricted to the vicinity of the defect edges and particles of polymer Castor distributed throughout the defect. There was a higher percentage of newly formed bone area was statistically significant in group C compared to animals in group M. Conclusions: Within the limits of this study can conclude that the castor oil polymer is biocompatible and had kept the area during the healing of critical size defects in surgically prepared rat calvariae.

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Objectives: The aim of this study was to evaluate the behavior of the polymer histomorphometrically castor during the healing process of defects of critical size calvarial preparations in rats. Materials and Methods: Twenty animals underwent a surgical procedure that was to be held in the calvaria of each animal a critical defect of 8 mm in diameter with a drill trephine. The rats were divided into two groups according to the following procedures: group C received no treatment and the bone defect site was filled with blood clot, group M, the bone defect was filled with castor oil polymer particles. The animals were sacrificed 180 days after the surgical procedures. After routine laboratory procedures the specimens were subjected to analysis histomorphometric. Results: In groups C the newly formed bone tissue was well developed, with adjacent areas of osteoid matrix rich in osteoblasts, and restricted to the vicinity of the edges of the defect. In animals of group M was observed newly formed lamellar bone tissue restricted to the vicinity of the defect edges and particles of polymer Castor distributed throughout the defect. There was a higher percentage of newly formed bone area was statistically significant in group C compared to animals in group M. Conclusions: Within the limits of this study can conclude that the castor oil polymer is biocompatible and had kept the area during the healing of critical size defects in surgically prepared rat calvariae

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The Oro-antral Fistula is a common pathologic event, which occurs an opening or communication of the maxillary sinus with the oral cavity through dental extractions of upper posterior elements whose roots have close relationship with the maxillary sinus. This study aims to clarify the Surgeon Dentist about the possible etiological factors responsible for Oro-antral Communication, to identify its clinical and radiographic signs, to explain the Buccal Fat Pad’s anatomy and functioning and to describe the surgical technique adopted front of these cases. For this, the authors present a case of a patient who had a fistula in the region where there was a dental extraction of the upper posterior element. The treatment of Oro-antral Fistula using the buccal fat pad provides to be a safe and effective surgical method, because this element presents a rich blood supply and easy access. Many authors have found that this method have a broad application, large index of success, lower risk of infection, provides a comfortable post-operative for the patient. However, it needs to be done properly so that you have minimum incidence of failures, and this requires some caution on the part of professional.