816 resultados para Wounds, Stab
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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB
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Pós-graduação em Odontologia - ICT
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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 Zootecnia - FCAV
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Purpose. Evaluated the effects of continuous electrical current (CEC) or zinc administrated by transdermal iontophoresis (Zn+TDI). Methods. 120 male Wistar rats were submitted to an incision surgery at the anterior region of abdomen and distributed into 6 experimental groups with 40 animals: 3 diabetic groups and 3 normal groups, untreated and treated with CEC alone or with Zn+TDI. Each group was further divided into 4 subgroups with 10 rats each to be evaluated on the 4th, 7th, 14th, and 21st day after surgery. In each period, clinical and laboratory parameters from the animals were analyzed. Results. The analysis by optical and scanning electron microscopy showed a delay in the phases of wound healing in diabetic rats without treatment in all periods of the experiment; breaking strength (BS) was significantly reduced in skin scars of untreated diabetic rats when compared to other groups. In contrast, BS in skin scars of nondiabetic groups and diabetic rats treated with Zn+TDI showed significant increase in those, besides not presenting delayed healing. Conclusion. Electrical stimulation of surgical wounds used alone or in association with zinc by TDI is able to consistently improve the morphological and ultrastructural changes observed in the healing of diabetic animals.
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Film forming polymeric systems represents a new and unexplored technology of systems forskin or wounds protection and for controlled drug release. The aim of this work was to study the use of polymeric organic-inorganic ureasil-polyether hybrids synthesized by the sol-gel process as film forming system containing silver sulfadiazine as model drug. The film formationtime can be controlled by changing the precursor/catalyst ratio used during the step of hydrolysis and condensations. The results showed that the precursor/catalyst proportion influences both the visual characteristics and time required to form the film. The precursor/catalyst ratio equal to 20.8 m/v was considered ideal due to promote the homogeneous and transparent film formation in less than 5 minutes. The release profile of sulfadiazine is dependent on the characteristics of the matrixes: matrix more hydrophobic as ureasil-POP provided a slowed released mainly due to the low swelling of the matrix. The more hydrophilic ureasil-POE matrix presents a large capacity to swell and favors the faster release of the drug. The set of results showed the possibility of future use of these systems for treating wounds caused by burns.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Squamous cell carcinoma is a keratinocytes malignant tumor, the definitive diagnosis of this disease is based on histopathology examination of the lesions. The cats nostrils is one of regions commonly affected by this neoplasm. The response to chemotherapeutic agents, cryosurgery and radiotherapy is poor and for this reason surgical resection is instituted for remove the greatest amount of tissue engaged and provide free margins, in case of nasal involvement are indicated nosectomy often needing reconstructive techniques using as advance flaps for synthesis of surgical wounds. Due to the high incidence of feline patients with this entity, this study aims to report and discuss the effectiveness of nosectomy in seven cats with the disease. It is concluded that nosectomy as a therapeutic technique effective in five of seven cats, resecting tumor margin and providing acceptable time and quality life.
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The beneficial effects derived from the nutritional support in human patients and experimental animal models include the improvement of immune function, repair of wounds, answer to the treatment, time of recovery and survival. In front of these benefits, we end up alienating the nutritional needs of hospitalized patients, especially those with clinical or surgical affections threatening. The objective of the nutritional support is to indicate the importancea and the proportions of energy and nutrients that the patient can use with the maximum effectiveness. The majority of hospitalized patients do not have voluntary food intake adequate to meet even the minimal nutritional needs. It is often perceived that lack of adequate food intake, will have serious impact on the patient’s clinical outcome. The nutritional assessment will help determine which route of feeding will be the safest, most effective and best tolerated by the patient. Diet choice is based on which of the patient’s problems can and should be addressed with nutrition and the feeding access available
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This study has the objective to show the physiologic process involved in the small animals wound healing, including his phases, types of wounds, the topic products, like anti-septic and ointments, and his mains indications for wound by second intention. In the actual market exists the increasing emergence of topic using products, vegetable healing ointments , being plants extracts or oils despite of a searching for more efficient products, fasters and cheaper, although don´t know much about the effects of these products What are the new types of treatment for wounds expected for the future
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Lasertherapy is a method of non-pharmacological treatment and surgery that can be used in several injuries and in various tissues, from bone fractures to tendonitis, skin wounds and damaged nerves, permitting the recovery of these structures and their functions without causing any side effects. Laser therapy aims to restore patients that suffered various injuries, such as bone fracture, inflammation, edema, tendon rupture, spinal cord injury, among others, without invasive intervention, and the results obtained in several studies and case reports have proven the high potential of this therapy to become an official treatment of various pathological changes
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The ozone therapy is the therapeutic administration of ozone, which can be: subcutaneous (SC), intramuscular (IM) Intradiscal; intracavitary (pleural and peritoneal spaces); intravaginal, intrauretral, in the bladder; ozonated autohemotherapy. This therapy is being increasingly studied in order to help in some treatments and is being proven to be very effective in most cases, especially in acting on disinfection and healing of extensive wounds. There are over 6000 articles on the medical use of ozone in the literature, but the concentration used varies with each author. Most diseases have a positive response because ozone increases tissue oxygenation and metabolism. Discovered in Germany in the nineteenth century, ozone therapy still needs further study to clarify its mode of action and demonstrate its benefits. The objective of this review is to discuss some of the studies in the literature and try to clarify the main directions and forms of action of ozone therapy in medicine, showing the possibilities of getting good results including in veterinary medicine