479 resultados para anestesia


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Hypothermia is a common phenomenon in the perioperative period, and it affects 60 to 90% of patients submitted to anesthetic-surgical procedures. In order to minimize its incidence, warming methods are used. Such methods can be passive, such as orthopedic cotton, sheets and blankets, or active, such as warm-air blankets and thermal mattresses. In this scenario, the present study aimed at comparing two warming methods used in the intraoperative period. Patients submitted to abdominal surgery in the specialties of gynecology and gastric surgery from August to September 2010 were included in the study. After randomization, they were divided into two groups: one using a thermal blanket (group I) and one using orthopedic cotton (group II). At last, 9 patients were included. The variables for each question were considered according to occurrence frequency. Comparison between groups was performed by Student’s t test. With the purpose to analyze whether there was an association, the chi-square test or Fisher’s Exact test was used. Whenever it was applicable for multiple comparisons, Tukey’s test was utilized; p values < 0.05 were considered to be statistically significant for analysis. The sample comprised 6 males and 3 females submitted to gynecological and gastric surgeries. Their mean age was 48 years for group I and 46.2 years for group II. A predominance of general anesthesia was observed. The time of permanence in the operating room ranged from 80 to 360 minutes. With regard to warming parenteral solutions, the procedure was performed on 5 patients, and infusion of warm solution into the abdominal cavity was performed on 50% of the sample. Concerning the warming method used, 5 patients used a thermal blanket. In view of the results presented, it was not possible to conclude which warming method should be used due to sample size

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The study was performed to verify if there are changes in salivary pH in patients with hyperhidrosis who were treated by Videothoracoscopic Sympathectomy. Twelve patients underwent sympathectomy with clamping the sympathetic chain along the vertebrae T2, T3 and T4, under inhalation and intravenous general anesthesia and with drainage of pneumothorax through probe N° 16. These patients had their saliva collected 1 day before and 7 days after surgery for measurement of pH by the colorimetric method with indicator paper. All patients showed no sign or symptom of hyperhidrosis in the immediate postoperative period, which demonstrates the success of sympathetic denervation on these levels. No patient had compensatory sweating and there was no post-operatively surgical complication. No drug or substance has been administered to patients for the study. The pH results obtained were analyzed using test ´´t´´ Student. Although the average pH in samples obtained after surgery was lower than the preoperative, the test revealed no statistically significant difference (p = 0.181). It is concluded that sympathectomy, an excellent therapeutic and definitive method for hyperhidrosis, does not alter the salivary pH, and so, did not influence the cariogenic process

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The equine anesthesia is proven to be a high risk procedure, for both patient and anesthetist, compared to other animal species. In these conditions, a good anesthetic protocol that can deliver sedation, making access and manipulation easier, analgesia fair enough to realize cirurgical procedures, and minimal physiologic changes would be ideal. Since there aren’t any drugs suporting all these qualities, the Neuroleptoanalgesic Associations show themselves as a valuable technique to provide anesthetic quality and safety, possibly diminishing our drug of choice’s doses, therefore offering less fisiological changes and easier monetary access in some cases. This paper objective was to list all these associations found in literature, evaluating their advantages and practical applications

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An experimental study in dogs was accomplished to evaluate impedances at the acupuncture points and the relative false points. According to the physics concepts and the Ohm’ Law, an electrical circuit was set up to determine the impedance. This circuit was introduced into three experiments in anesthetized dogs with needles at selected points. In the first two experiments, was applied an alternating tension with 200Hz frequency in the circuit and, in the last experiment, the frequency was increased to 10kHz, the tensions and electrical currents were measured between every pair of points for the all experiments. The impedances were calculated with the values obtained by experiments. The analysis of impedance values indicated that there is a coherent relation between the results and the applied frequencies in circuit, so just at high frequency condition admits the correct measurement of total impedance, therefore the last experiment gave the result which agreed with the theory, that the impedances at acupuncture points are lower than the impedances at false points

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Pós-graduação em Medicina Veterinária - FCAV

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Pós-graduação em Cirurgia Veterinária - FCAV

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Pós-graduação em Medicina Veterinária - FCAV

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Pós-graduação em Cirurgia Veterinária - FCAV

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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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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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