1000 resultados para Civiale, Aimé (1821-1893) -- Portraits
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Vol. 1: [2], iv, [2], 604 p.; v.2: [2], iv, [2], 616 p.
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Mode of access: Internet.
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Mode of access: Internet.
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With: J. von Mueller, Anthologie aus den Werken von Johannes von Müller. Hildburghausen, 1845. 16 cm.
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Red cancel drawn through the portraits.
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A systematic revision of the granulatus group of the bothriurid scorpion genus Urophonius Pocock, 1893 is presented. Urophonius pizarroi, n. sp., a new species from central Chile, is described. Urophonius granulatus Pocock, 1898, Urophonius somuncura Acosta, 2003, and Urophonius tregualemuensis Cekalovic, 1981, are redescribed using modern standards. The adult males of U. somuncura and U. tregualemuensis are described for the first time. A distribution map and key to the species of the granulatus group are provided, along with a discussion of their phenology.
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The aim of this study was to determine the contribution of preoperative gastric secretory and hormonal response, to the appearance of Barrett`s esophagus in the esophageal stump following subtotal esophagectomy. Thirty-eight end-stage chagasic achalasia patients submitted to esophagectomy and cervical gastric pull-up were followed prospectively for a mean of 13.6 +/- 9.2 years. Gastric acid secretion, pepsinogen, and gastrin were measured preoperatively in 14 patients who have developed Barrett`s esophagus (Group I), and the results were compared to 24 patients who did not develop Barrett`s esophagus (Group II). In the group (I), the mean basal and stimulated preoperative gastric acid secretion was significantly higher than in the group II (basal: 1.52 vs. 1.01, p = 0.04; stimulated: 20.83 vs. 12.60, p = 0.01). Basal and stimulated preoperative pepsinogen were also increased at the Group I compared to Group II (Basal = 139.3 vs. 101.7, p = 0.02; stimulated = 186.0 vs. 156.5, p = 0.07. There was no difference in preoperative gastrin between the two groups. Gastritis was present during endoscopy in 57.1% of the Group I, while it was detected in 16.6% of the Group II, p = 0.014. Barrett`s esophagus in the esophageal stump was associated to high preoperative levels of gastric acid secretion, serum pepsinogen, and also gastritis in the transposed stomach.
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Estimating the proportions of different ancestries in admixed populations is very important in population genetics studies, and it is particularly important for detecting population substructure effects in case-control association studies. In this work, a set of 48 ancestry, informative insertion, deletion polymorphisms (INDELs) were selected with the goal of efficiently measuring the proportions of three different ancestries (sub-Saharan African, European, and Native American) in mixed populations. All selected markers can be easily analyzed via multiplex PCR and detected with standard capillary electrophoresis. A total of 593 unrelated individuals representative of European, African, and Native American parental populations were typed, as were 380 individuals from three Brazilian populations with known admixture patterns. As expected, the interethnic admixture estimates show that individuals from southern Brazil present an almost exclusively European ancestry; Afro-descendant communities in the Amazon region, apart from the major African contribution, present some degree of admixture with Europeans and Native Americans; and a sample from Belem, in the northeastern Amazon, shows a significant contribution of the three ethnic groups, although with a greater European proportion. In summary, a panel of ancestry-informative INDELs was optimized and proven to be a variable tool for estimating individual and global ancestry proportions in admixed populations. The ability to accurately infer interethnic admixtures highlights the usefulness of this marker set for assessing population substructure in association studies, particularly those conducted in Brazilian and other Latin American populations sharing trihybrid ancestry patterns. Hum Mutat 31:184-190, 2010. (C) 2009 Wiley-Liss, Inc.
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A análise da mortalidade por causas, bem como da morbidade, necessita de um instrumento que agrupe as doenças segundo características comuns, isto é, uma classificação de doenças. Atualmente está em uso a Classificação Internacional de Doenças da OMS, na sua Nona Revisão. Esta classificação surgiu em 1893; para 1993 está proposta a implantação da Décima Revisão. O trabalho descreve as raízes de uma classificação internacional, fazendo referências a John Graunt, William Farr e Jacques Bertillon bem como à evolução pela qual passou em suas sucessivas revisões. Inicialmente era uma classificação de causas de morte passando a ser, a partir da Sexta Revisão, uma classificação que incluiu todas as doenças e motivos de consultas, possibilitando seu uso em morbidade, sendo que a partir da Décima Revisão se propõe uma "família" de classificações, para os mais diversos usos em administração de serviços de saúde e epidemiologia. O trabalho também apresenta algumas críticas que são feitas à Classificação Internacional de Doenças.