886 resultados para HEMORRAGIA UTERINA


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Pós-graduação em Fisiopatologia em Clínica Médica - FMB

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Pós-graduação em Medicina Veterinária - FMVZ

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Pós-graduação em Ginecologia, Obstetrícia e Mastologia - FMB

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

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The oral anticoagulants (AOC) and platelet antiagregants are drugs used for the prevention of thromboembolic phenomena, such as pulmonary embolism in patients with atrial fribrilation heart valves, thrombosis and pulmonary embolism. For patients who are undergoing surgical procedures-dentistry were asked to discontinue the use of anticoagulants until the value of the INR remained = 2.0, that in order to avoid trans and hemorrhages in the postoperative period. However, the AOC can cause the formation of a clot, leading to obstruction of blood pathways. Thus, it became doubtful the medicine for surgery, in which local hemostatic measures would be sufficient to promote hemostasis. Thus, the objective of the review was to evaluate the risk of bleeding in patients AOC users that are subjected to surgical procedures, through a bibliographical survey carried out in relevant clinical studies published between 1990 and 2012, by the MedlinePubMed data. In this review of literature was concluded that the benefit of thromboembolism prevention overcomes the risk hemorrhage, therefore, it is recommended to keep the dose of anticoagulant therapy unchanged for patients undergoing oral surgery and implant dentistry, using appropriate INR levels with the assistance of local hemostatic. In addition, a refined surgical technique should be performed in these patients. With respect to the most invasive oral surgery, with a risk of bleeding, treatment may be necessary in conjunction with the medical staff.

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Inúmeras alterações dentárias podem ocorrer em crianças submetidas ao tratamento radioterápico. O objetivo neste trabalho foi avaliar histologicamente a ação da radiação X na região odontogênica do incisivo inferior de ratos com doses de 5 e 15 Gy. Foram utilizados 30 ratos machos (Rattus norvegicus, Albinus, Wistar), os quais foram divididos em três grupos: controle; radioterapia 5 Gy (irradiados com 5 Gy); e grupo 15 Gy (irradiados com 15 Gy). As doses foram administradas na região de cabeça e pescoço, em dose única, no segundo dia do experimento. As mandíbulas foram preparadas em lâminas histológicas. Na porção inicial da região odontogênica do grupo 5 Gy, os odontoblastos apresentaram-se alterados morfologicamente e menos organizados. Já no grupo 15 Gy foram observadas irregularidades na organização dos odontoblastos e ameloblastos, além de alteração na formação da alça epitelial e hemorragia. Na porção média da região odontogênica, o grupo 5 Gy apresentou alterações na face lingual, bem como leves alterações nos odontoblastos na região distal do dente; o órgão dentário do grupo 15 Gy apresentou visível redução do tamanho, hemorragia, odontoblastos não polarizados e produção de dentina para diferentes direções; observando-se ainda na porção distal, extensa destruição com visível redução no tamanho e vasta desorganização nos odontoblastos e ameloblastos. Conclui-se que a dose de 5 Gy causou leves e pequenas alterações morfológicas, e a dose de 15 Gy provocou intensas alterações histológicas e estruturais na região odontogênica do incisivo de rato.

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Histomorphometric data were obtained from cats uterine horns: either nulliparous (n = 6), primiparous (n = 6), multiparous (n = 6) and treated with contraceptive (n = 6). The material was collected after surgery, fixed in paraformaldehyde and embedded in paraplast® resin to be sliced in a microtome. The obtained sections were stained with hematoxylin - eosin and measured under a light microscope: uterine wall total thickness (μm), endometrium total height, endometrial glands diameter and glandular epithelia height, total myometrium, internal and external myometrium and vascular layer thickness. It was concluded that: 1 - contraceptive use and number of pregnancies altered the uterine structure, 2 - one pregnancy does not appear to affect the uterine lining structures as occurs in multiparous cats, 3 – there was no variation on the evaluated structures between nulliparous and primiparous cats except for inner myometrium, 4 - the total myometrium hight and the endometrium hight showed similar variations except for the contraceptive treated cats group, 5 - the outer myometrium showed marked changes in the treated cats, 6 – the less marked morphological variations were for the endometrial glands diameter and glandular epithelium hight, 7 - the presence of dilated endometrial glands was found only in treated cats.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Medicina Veterinária - FCAV

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Objective: To evaluate the efficacy of platelet-rich plasma regarding healing, pain and hemostasis after total knee arthroplasty, by means of a blinded randomized controlled and blinded clinical study. Methods: Forty patients who were going to undergo implantation of a total knee prosthesis were selected and randomized. In 20 of these patients, platelet-rich plasma was applied before the joint capsule was closed. The hemoglobin (mg/dL) and hematocrit (%) levels were assayed before the operation and 24 and 48hours afterwards. The Womac questionnaire and a verbal pain scale were applied and knee range of motion measurements were made up to the second postoperative month. The statistical analysis compared the results with the aim of determining whether there were any differences between the groups at each of the evaluation times. Results: The hemoglobin (mg/dL) and hematocrit (%) measurements made before the operation and 24 and 48hours afterwards did not show any significant differences between the groups (p > 0.05). The Womac questionnaire and the range of motion measured before the operation and up to the first two months also did not show any statistical differences between the groups (p > 0.05). The pain evaluation using the verbal scale showed that there was an advantage for the group that received platelet-rich plasma, 24hours, 48hours, one week, three weeks and two months after the operation (p < 0.05). Conclusions: In the manner in which the platelet-rich plasma was used, it was not shown to be effective for reducing bleeding or improving knee function after arthroplasty, in comparison with the controls. There was an advantage on the postoperative verbal pain scale.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)