828 resultados para Early life stress


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Bakgrund: Att bli mamma till ett för tidigt fött barn (<37 gestationsveckor) innebär en oväntad stress vilket påverkar hela familjen. Under de senaste årtionden har stora förbättringar skett inom perinatal vård och numera är chansen till överlevnad stor. Att barnet efter födseln vårdas på neonatal intensivvårdsavdelning (NICU) får konsekvenser för mamman både känslomässigt och i omvårdnaden av barnet. Syfte: Att undersöka föräldrastress och beskriva faktorer som påverkar tidig föräldrastress hos mammor till för tidigt födda barn när barnet är två månader i korrigerad ålder. Metod: Studien utfördes på fyra NICU i Sverige. Inklusionskriterierna för studien var att barnet var för tidigt fött samt vårdades på neonatalavdelning i minst 72 timmar. För att mäta upplevd föräldrastress fick mammorna (n=276) svara på enkäten Swedish Parental Stress Questionnaire (SPSQ) när barnet var två månader i korrigerad ålder. Resultat: Mammor vars barn inte vårdades på en samvårdsavdelning, som hade barn i kuvös, mammor till barn med äldre syskon, var äldre, rökte och/eller ammade helt upplevde mer föräldrastress än övriga mammor. Slutsats: Studien visar att faktorer i framför allt i miljön samt hos mamman har betydelse för upplevd föräldrastress. Våra resultat innebär att omhändertagandet bör bli bättre, både under tiden på neonatalavdelning men även efter utskrivning. Då studien också påvisar vikten av samvårdsavdelning bör förbättringar ske i den fysiska vårdmiljön för att minimera upplevelsen av föräldrastress.

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O objetivo deste trabalho foi avaliar os efeitos da restrição alimentar qualitativa precoce sobre o desempenho, as características do trato gastrintestinal e a carcaça de frangos de corte. Um total de 975 pintos de corte de um dia da linhagem Ross, 15 parcelas com 30 machos cada e 15 parcelas com 35 fêmeas, foi distribuído em delineamento experimental inteiramente casualizado, em esquema fatorial 5 x 2 (forma de restrição x sexo), com três repetições por tratamento. As formas de restrição estudadas foram: 1 - testemunha, sem diluição; 2 -diluição com 15% de calcário; 3 - diluição com 30% de calcário; 4 - diluição com 15% de casca de arroz; e 5 - diluição com 30% de casca de arroz. Os frangos foram alimentados ad libitum com ração padrão, no período de 1 a 7 dias e de 15 a 45 dias de idade. A restrição alimentar por diluição das rações, conforme cada tratamento, foi aplicada do 8º ao 14º dia de idade. Para o período de restrição alimentar, foram formuladas rações com níveis normais de minerais e vitaminas, reduzindo-se os outros nutrientes, conforme a diluição. Os frangos submetidos à restrição alimentar qualitativa precoce, pela diluição com 15% de calcário e, 15 ou 30% de casca de arroz, apresentaram ganho compensatório, com bom desempenho final. Entretanto, a restrição com 30% de calcário foi muito severa, prejudicando o desempenho. Houve alteração nas características do trato gastrintestinal com a restrição alimentar, porém houve recuperação até o momento do abate. Os frangos submetidos à restrição alimentar qualitativa precoce apresentaram menor deposição de gordura e maior deposição de proteína na carcaça em comparação ao controle.

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In most primates, the mother is primarily responsible for care in early life of the infants, since, as in other mammals, infants depend on their mother to nutritional conditions. However, unlike most of them, in some species, infants are also dependent on other individuals with respect to transportation, supervision, and food sharing. To understand the distribution of care to offspring is essential to understand the social dynamics of the group. Several studies conducted in the natural environment, during the infant have been studied mainly through the careful transport of the infants. Our study approached the different forms of care to infants (transport, supervision and food sharing) and the development of behavioral repertoire throughout all phases of infant and juvenile seeking to better understand how to establish the development and survival of offspring of Callithrix jacchus, in natural environment. The seasonality in the caatinga was striking in this study and the collection had two distinct seasons for each of the sets observed, one dry and one rainy. These environmental changes seem to have influenced the distribution of activities in animal development. Yet the greater availability of resources in the rainy season seems to have been the main factor influencing the pattern of activities. Results will be presented in two manuscripts

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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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Aim: Studies on feeding of early life stages are very important to the understanding of the biology and trophic ecology of fish species. Therefore, the aim of this work is to describe the development of the digestive tube, and to characterize the diet of larvae and juveniles of Bryconamericus stramineus Eigenmann, 1908 of the upper Parana River floodplain; Methods: Larvae were obtained from, monthly samples during nychthemeral cycles with four-hour interval between samplings from February/91 to February/92, utilizing a conical-cylindrical plankton net; Results: At the preflexion stage, larvae at approximately 4.00 mm SL, showed a morphologically undifferentiated straight tube, with the anterior region more dilated. At the flexion stage a differentiation in the anterior region of the digestive tube occurs, with the intestine wall getting thicker (8.30 mm SL). The formation of pyloric caeca occurs at 9.00 mm SL. At the postflexion stage the first loop is formed at 9.25 mm SL and the second loop at about 10.00 mm SL. Bryconamericus stramineus consumed mainly cladocerans, also ingesting copepods, rotifers, nematodes, algae, insects and inorganic particles. Along the development, there was an increase in the number of food items and a diversification in the number of consumed taxa; Conclusions: Changes in the diet of B. stramineus larvae were not observed, being them zooplanktivores during all the initial development. However, an increase of large preys, such as insects larvae, was observed at the end of the larval period and in juveniles, suggesting a tendency towards invertivory. Larvae and juveniles preferentially fed during the night.

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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)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Fisioterapia - FCT

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

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In this study the occurrence of sensory structures on the antennules and antennae of the giant river prawn Macrobrachium rosenbergii (De Man) during postembryonic ontogenetic development were examined. Larvae and postlarvae were obtained from hatchery recirculating tanks, juveniles from indoor nursery tanks, and adults from earthen grow-out ponds. The animals were fixed with Karnovsky fixative and dissected. Antennules and antennae were removed, metal-coated, and photodocumented using a scanning electron microscope. The antennules have aesthetascs and simple plumose and pappose setae; the antennae have simple, plumose and pappose setae. These structures increase in density, covered surface, and distribution during ontogeny and should be related to chemoreception and mechanoreception. The antennular statocyst that appears during larval stage VII of the giant river prawn has an array of sensory structures that enable the perception of chemical and tactile stimuli beginning with its early life stages. The ontogenetic changes observed allow an inference that initial-stage larvae, advance-stage larvae, juveniles, and adults have different capacities to exploit the environment.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Introduction: The evaluation of the perception of graduates is an essential strategy to support the political project educational in universities. Objective: This study aimed to verify the perception of dentists which are working in the labor market, about the difficulties of professional insertion after the graduation, positives and negatives aspects and suggestions regarding the training received. Methodology: This is a qualitative survey conducted with graduates of the years 2000 to 2010, of dentistry course from a Brazilian Public University. A self-administered questionnaire was sent by mail/email to all graduates in the period. The data were transcribed and subjected to content analysis, divided into pre-analysis, characterized by carefully reading floating, material exploration, guidelines for finding the analysis itself. Result: The categories related to the difficulties in early life were: getting a job/workplace, adequate working conditions and low pay, insecurity and confrontation obtained the academic and lack of administrative experience. The perceived positive aspects for the training were: good infrastructure and reputation of the university, integrating teaching-research, teacher-student relationship. The negative aspects comprised the following categories: administrative preparation, lack of integration between content theoretical/ practical, concepts used in the labor market. The suggestions presented are consistent with the difficulties to the beginning of professional life and the negative aspects. Conclusion: The professionals have faced the saturation of the labor market and different reality from those found in academic life. Despite the positive aspects, graduates suggest changes in the course conducted.