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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Design and Implementation of a 3PCC Application System over an Embedded SIP/VoIP Gateway

Huang, Che-Ling 24 July 2008 (has links)
eBay chief executive, Meg Whitman, at a press conference expressed to the investors that ¡§communications plays a key role in e-commerce and society. This makes Skype become the most suitable cooperator with eBay.¡¨ When integrating with Skype, eBay makes buyers and sellers communicate with each other through VoIP. This removes the biggest obstacle between buyers and sellers and achieves an ¡§unparalleled e-commerce and communications engine.¡¨ ¡§eBay with Skype¡¨ is the best example of 3PCC with e-commerce. 3PCC is a model that allows an entity (which is called controller) to manage and set up a communication between two or more other parties. It has already existed in the PSTN for a long time. Although there are many applications designed for SIP, they are not 3PCC with e-commerce model. Therefore, we attempt to design an application that integrating 3PCC with e-commerce. In this paper, we not only introduce how 3PCC is achieved but also express how REFER (a new method in SIP) can be used for replacing the traditional 3PCC mechanism in chapter 2. Chapter 3 will introduce the S/H development framework, the flows of SIP and the functions or libraries related to the Gateway. In chapter 4, we will first explain the design concept about our systems and then express how we implement the system. These include the website database structures, the Gateway programs and the packet analysis and verification. Finally, we will conclude this paper in Chapter 5. In addition, we will show the system and operation guide in appendix.
2

Determina??o dos intervalos de refer?ncia para lip?dios, lipoprote?nas e apolipoprote?nas no estado do Rio Grande do Norte

Fernandes, Luzia Leiros de Sena 30 August 2009 (has links)
Made available in DSpace on 2014-12-17T14:16:25Z (GMT). No. of bitstreams: 1 LuziaLSF_Dissert.pdf: 2090486 bytes, checksum: d33aa3d21b6e7f08dba8853438e95a45 (MD5) Previous issue date: 2009-08-30 / The lipid profile is a group of lab tests that include triglycerides, total cholesterol (TC), high-density lipoprotein cholesterol (HDL-C) and low-density lipoprotein cholesterol (LDL-C). However, serum non-HDL-C, Apo A-I and Apo B levels, as well as the lipids ratios (TC/HDL-C, LDL-C/HDL-C and Apo B/Apo A-I), have been described as better predictors of cardiovascular diseases. Reference intervals are tools often used to help the evaluation of the people s health state. These days, Brazilian studies still use the reference intervals of lipids and lipoproteins from other countries, ignoring differences between the populations. Therefore, this study aimed to establish reference intervals for lipids, lipoproteins and apolipoproteins in adults of Rio Grande do Norte/Brazil. Healthy individuals (96 men and 283 women) between 18 and 59years old formed the reference sample group. The samples were collected after fasting 12 to 14 hours. Information on lifestyle and dietary habits of the participants were obtained through questionnaire. The serum glucose level and renal and liver activity were evaluated by laboratory testing. The results of lipid profile were analyzed according to sex, age and mesoregion of Rio Grande do Norte, with significance level of 5% (p < 0,05). The lower and upper reference limits were identified by the 2.5 percentile and 97.5 percentile, respectively, and assurance intervals of 90% was calculated for each of these limits. Among the determinants of lipid profile analyzed, only a few significant differences were observed according to sex, but in terms of age, the groups of smaller and older ages were most likely different. When evaluated by region, the means of West region shown the most significant variations. Not many studies were useful to compare the reference intervals determined in this study. Thus, it becomes necessary to carry out similar studies in other regions of Brazil and of the world given the clinical importance of reference intervals / O perfil lip?dico ? definido pelas determina??es laboratoriais dos triglicer?deos, do colesterol total (CT) e das fra??es do colesterol (HDL-C e LDL-C). Por?m, as concentra??es s?ricas do n?o-HDL-C e das apolipoprote?nas A-I e B, assim como as raz?es CT/HDL-C, LDL-C/HDL-C e Apo B/Apo A-I, t?m sido descritos como melhores preditores de doen?as cardiovasculares. Os intervalos de refer?ncia s?o ferramentas frequentemente utilizadas no aux?lio da avalia??o do estado de sa?de das pessoas. Hoje, estudos nacionais ainda utilizam intervalos de refer?ncia do perfil lip?dico procedentes de outros pa?ses, desconsiderando diferen?as entre as popula??es. Assim, este trabalho objetivou estabelecer intervalos de refer?ncia para lip?dios, lipoprote?nas e apolipoprote?nas em adultos no estado do Rio Grande do Norte (RN). Ap?s uma criteriosa sele??o para compor o grupo de refer?ncia de indiv?duos sadios, foram utilizadas 379 amostras de sangue coletadas por venopun??o ap?s jejum de 12 a 14 horas, sendo 96 de homens e 283 de mulheres, ambos com idade entre 18 a 59 anos. Informa??es sobre o estilo de vida e os h?bitos alimentares dos participantes foram obtidas atrav?s de um question?rio e a avalia??o da glicemia e das fun??es renal e hep?tica foi realizada por testes laboratoriais. Os resultados do perfil lip?dico foram analisados em fun??o do sexo, da idade e da mesorregi?o do RN, sempre adotando um n?vel de signific?ncia de 5% (p < 0,05). Os limites de refer?ncia inferior e superior foram identificados atrav?s do percentil 2,5 e do percentil 97,5, respectivamente, e intervalos de confian?a de 90% foram calculados para cada um desses limites. Dentre os determinantes do perfil lip?dico estudados, poucos apresentaram diferen?a significativa quanto ao sexo mas, quanto ? idade, os grupos de menor e maior faixa et?ria foram os que mais diferiram. Quando avaliados por regi?o, os valores m?dios da mesorregi?o Oeste foram os mais diferentes significativamente. Poucos trabalhos foram ?teis para comparar os intervalos de refer?ncia determinados neste estudo. Assim, se faz necess?ria a realiza??o de estudos semelhantes a este em outras regi?es do pa?s e do mundo, visto a grande import?ncia cl?nica dos intervalos de refer?ncia
3

SCTP-based Seamless Handoff over Mobile Vehicular Networks:A Case Study of VoIP Transmission

Ho, Szu-hsien 23 June 2009 (has links)
With the rapid growth of communication, applications in traffic sensor network such as the multimedia service Server Push, are indispensable to business advertising. The applications of server push, for example, the service Push Mail provided by ISP (Internet Service Provider), became much more hot and popular. This paper aims to design a mobile vehicular network to let the people who received the advertisement communicate with the providers of the service. Nevertheless, the handoff problem that arises when traveling brings down the quality of communication. Therefore, seamless handoff becomes a very important issue for us to research. This thesis uses the new SCTP (Stream Control Transmission Protocol) to solve the problem. SCTP not only keeps the advantages of TCP/IP but also provides new support. Allowing the user to own several IP addresses at the same time is one of its important characteristics, which allows you to switch to any other available IP immediately if the transmission is interruptted. With this characteristic, the user barely notices any interruption in the process of handoff. Finally, we propose a new design for SCTP to achieve a response time, and can be used in applications that require a fast response time.
4

Valores de refer?ncia para resist?ncia muscular inspirat?ria em crian?as e adolescentes saud?veis

Woszezenki, Cristhiele Ta?s 28 March 2016 (has links)
Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2016-05-17T11:17:38Z No. of bitstreams: 1 DIS_CRISTHIELE_TAIS_WOSZEZENKI_PARCIAL.pdf: 460185 bytes, checksum: 0a97ea104058f0cf129ef176df86e909 (MD5) / Made available in DSpace on 2016-05-17T11:17:38Z (GMT). No. of bitstreams: 1 DIS_CRISTHIELE_TAIS_WOSZEZENKI_PARCIAL.pdf: 460185 bytes, checksum: 0a97ea104058f0cf129ef176df86e909 (MD5) Previous issue date: 2016-03-28 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Objectives: To generate reference values for two inspiratory muscle endurance protocols (IME) in healthy children and adolescents. Methods: An observational, cross-sectional study was conducted including healthy children and adolescents between 4 and 18 years old. Body weight, height, maximal inspiratory pressure (MIP) and IME (using two protocols) measurements were performed. In the incremental threshold loading a fixed load of 30% of the MIP with an increase of 10% every 2 minutes was used. In the a fixed load of 70% of the MIP was used and the time limit (Tlim) to exhaustion was measured. Results: In total, 462 participants were included, 281 performed the incremental threshold loading and 181 the maximum load protocol. There were moderate and positive correlations between IME and age, MIP, height and weight in the incremental threshold loading. However, the regression model showed that MIP and age were the best variables to predict RMI. In the maximum load protocol, weak and positive correlations with age, weight and height were found. In the regression model for this protocol, only age and height influenced the endurance. The prediction power (R2) for the incremental threshold loading was 0.65, while for the maximum load protocol was 0.15. Reproducibility measured by the intraclass correlation coefficient (ICC) was higher in the incremental threshold loading (0.96) compared to the maximum load protocol (0.69). Conclusion: The IME in healthy children and adolescents can be explained by age, height and MIP. The incremental threshold loading showed better results and should be the model of choice when evaluating IME in the pediatric age group. / Objetivos: Gerar valores de refer?ncia para dois protocolos de resist?ncia muscular inspirat?ria (RMI) em crian?as e adolescentes saud?veis. M?todos: Estudo observacional, transversal, em crian?as e adolescentes saud?veis de 4 a 18 anos. Foram realizadas as mensura??es de peso, altura, press?o inspirat?ria m?xima (PIMAX) e RMI, utilizando-se dois protocolos. No protocolo de carga incremental foi utilizada uma carga fixa de 30% da PIMAX com incremento de 10% a cada 2 minutos. J? no protocolo de carga m?xima foi utilizada uma carga fixa de 70% da PIMAX e mensurado o tempo limite (Tlim) alcan?ado at? a exaust?o. Resultados: Foram inclu?dos 462 participantes, sendo 281 correspondentes ao protocolo de carga incremental e 181 ao de carga m?xima. No protocolo de carga incremental, houve correla??es moderadas e positivas entre a RMI e a idade, PIMAX, peso e altura. No entanto, o modelo de regress?o demonstrou que a PIMAX e a idade foram as melhores vari?veis para predi??o da RMI. J? no protocolo de carga m?xima, foram encontradas correla??es fracas e positivas com a idade, peso e altura. No modelo de regress?o, apenas a idade e altura influenciaram na endurance. A for?a de predi??o (R2) do protocolo de carga incremental foi de 0,65, enquanto o de carga m?xima foi de 0,15. A reprodutibilidade mensurada pelo coeficiente de correla??o intraclasse (ICC) foi maior no protocolo incremental (0,96) em compara??o ao de carga m?xima (0,69). Conclus?o: A RMI em crian?as e adolescentes saud?veis pode ser explicada em fun??o da idade, altura e PIMAX. O protocolo de carga incremental apresentou melhores resultados e deve ser o modelo de escolha para avalia??o da RMI na faixa et?ria pedi?trica.
5

A morada do pensamento: um encontro com Plat?o na busca da natureza do sentido em Frege

Falc?o, Jeziel Cordeiro 30 October 2008 (has links)
Made available in DSpace on 2014-12-17T15:12:09Z (GMT). No. of bitstreams: 1 JezielCF.pdf: 400850 bytes, checksum: c22294fb5c88aafad1bfa1bc949ecda5 (MD5) Previous issue date: 2008-10-30 / The ontological investigation of sense, from German philosopher Gottlob Frege s point of view, has, as its foundation, the understanding of reference, representation, thought and sense s categories. According to Frege s writings, On Sense and Reference, and Thoughts Logical Investigations, sense carries itself the solution for the problem of identity s relation. Sense gives us the knowledge s increment that identity doesn t give. But still there is a problem: the definition of sense's nature. Sense couldn t have its nature strictly defined because, in this case, it would be reduced to reference s category and thus, sense would be identified with the own extra-linguistic object, and this is a misconception. But Frege said that thought must be considered as the sense of the sentence. So, with this close relationship between sense and thought, a new goal in this investigation is putt in focus: thought. To Frege, thought is not a simple subjective performance of thinking, it is not a subjective representation, but it is an objective content that is real, eternal, and that exists by itself in a third realm . Thought exists in a realm beyond the world of subjective representations and beyond the world of sensible perception. From this point, the present investigation went back to Plato s World of Ideas. So, the platonic thinking was included in this debate about the metaphysic of the third realm in Frege, trying to clarify the original concepts of knowledge, reality and truth. To achieve this objective, the following dialogues had been included in our research: Theaetetus, Republic and Phaedo. And the following fregean questions had been brought to Plato's scope: how happens the new knowledge? What is the third realm s reality? What is the relation between truth and thought? Doing that we could see as much some of the platonic origins of Frege's approach, as some differences between this two philosophers / A investiga??o ontol?gica do sentido, a partir do ponto de vista do fil?sofo alem?o Gottlob Frege, tem por base o entendimento das categorias da refer?ncia, das representa??es, do pensamento e do pr?prio sentido. Em Frege, conforme seus textos Sobre o Sentido e a Refer?ncia, e O Pensamento uma investiga??o l?gica, o sentido imp?e-se como solu??o para o problema trazido pela rela??o de identidade. Com o sentido ele busca o acr?scimo de conhecimento que a identidade n?o produz. Mas aqui surge um problema: a defini??o da sua natureza. O sentido n?o pode ter sua natureza definida estritamente, pois assim seria reduzido ? categoria da refer?ncia, e com isso poderia ser confundido com o pr?prio objeto extraling??stico. Mas Frege diz que o pensamento ? o sentido de uma frase. Assim, nesse estreitar de rela??es entre o sentido e o pensamento, a presente investiga??o passa a focalizar o pensamento. Para Frege, o pensamento n?o ? o simples ato de pensar do sujeito, n?o ? sua subjetividade em forma de representa??es, mas ? sim uma coisa objetiva, real, eterna, e que existe em si num terceiro reino . O pensamento existe num reino para al?m do mundo das representa??es do sujeito e do mundo percebido pelos sentidos, e isso tamb?m leva esta investiga??o para o mundo das Id?ias em Plat?o. Assim, o pensamento plat?nico foi inclu?do no debate sobre a metaf?sica do terceiro reino em Frege, na tentativa de melhor esclarecer as origens dos conceitos conhecimento, realidade e verdade, fundamentais na abordagem fregeana. Para isso foram pesquisados os di?logos: Teeteto, A Rep?blica e F?don. E, para o ?mbito de Frege foram trazidas as quest?es: como ocorre o conhecimento novo? Qual ? a realidade do terceiro reino? Qual ? a rela??o entre verdade e pensamento? E estas investiga??es evidenciaram tanto as origens plat?nicas da abordagem fregeana, quanto certas diferen?as de pensamento entre os dois fil?sofos
6

Tobacco Cessation and Referral to the National Quitline

Blocker, Julia, Lazear, Janice, Ridner, Lee 18 May 2020 (has links)
Background: Smoking is the leading cause of preventable deaths in the United States. The rates of smoking remain elevated in rural, low income populations in comparison with the rest of the United States. Thus, prompting the process improvement project of implementing the Ask–Advise–Connect (AAC) method to the national quitline in a nurse practitioner–managed clinic for an automotive manufacturing plant in rural Tennessee. Methods: Ask–Advise–Connect method was added to the current smoking cessation program. The employees who utilized the clinic were assessed for smoking status at each visit and subsequently counseled on cessation. Individuals interested in cessation were connected to the national quitline with the AAC method. Pharmaceutical options and nicotine replacement therapy was also offered at no cost to the employee. Findings: In the 4-month period, the clinic provided 102 tobacco cessation counseling visits to workers who smoke. Twenty-four employees enrolled in the cessation program. The participants reported a cessation rate of 12.5% and 21% had a significant decrease in the number of cigarettes smoked. Of the participants, 12.5% (n = 3) engaged in behavioral counseling with the quitline. Conclusion/application to practice: The addition of the AAC method as part of the smoking cessation program had limited success. As smoking cessation is difficult to achieve, any success greater than 7% can be considered an achievement. The 12.5% cessation rate of the participants was above the national average. Thus, demonstrating the benefit of having a workplace cessation program and incorporating the AAC method to the current smoking cessation program.
7

Geoqu?mica e espacializa??o de metais em sedimentos no estu?rio do Rio Serinha?m, Bahia ? Brasil

Pereira, Monise da Silva 27 April 2016 (has links)
Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2018-01-29T22:57:17Z No. of bitstreams: 1 Disserta??o Monise da Silva Pereira.pdf: 3743767 bytes, checksum: 4d2068c2083642fa8f904e5754b23885 (MD5) / Made available in DSpace on 2018-01-29T22:57:17Z (GMT). No. of bitstreams: 1 Disserta??o Monise da Silva Pereira.pdf: 3743767 bytes, checksum: 4d2068c2083642fa8f904e5754b23885 (MD5) Previous issue date: 2016-04-27 / This study aimed to quantify and spatialise the chemical elements copper (Cu), zinc (Zn), nickel (Ni), lead (Pb), cadmium (Cd), arsenic (As), chromium (Cr), tin (Sn), iron (Fe), manganese (Mn), aluminium (Al), beryllium (Be), barium (Ba), lithium (Li), cobalt (Co) and vanadium (V) in surface sediments of the Serinah?m river estuary. For quantification Inductively Coupled Plasma- Optical Emission Spectrometry (ICP/OES) was used. It was observed that, in general, the chemicals do not exceed the limitrophe Brazilian reference values, indicating the quality of the estuary waters. Moreover, anthropogenic activities along the drainage basin did not seem to affect the environmental dynamics of the Serinah?m river estuary, not demonstrating risks to human health or the environment. It is noteworthy that most of the quantified elements showed, with spatialization, a decrease in concentration toward the mouth of the estuary, concentrating upstream, after the river discharge point. When compared to other estuarine environments the Serinah?m river estuary showed low concentrations, highlighting the higher concentrations for the chemical elements Al, Fe and Mn, that are elements found in high concentrations in the lithology of the estuary basin. With respect to the particle size concentration, the first segment showed the highest concentration of chemical elements (Fe, Al, Co, Cr, Ni, V, Zn, Mn e Cu), since, due to the presence of mangrove areas, river islands become sediment retention barriers and the presence of small tributaries help in the transport of sediments that accumulate in this region. / Este estudo objetivou quantificar e espacializar os elementos qu?micos Cobre (Cu), Zinco (Zn), N?quel (Ni), Chumbo (Pb), C?dmio (Cd), Ars?nio (As), Cromo (Cr), Estanho (Sn), Ferro (Fe), Mangan?s (Mn), Alum?nio (Al), Ber?lio (Be), B?rio ( Ba), L?tio (Li), Cobalto (Co) e Van?dio (V), em sedimentos superficiais do estu?rio do rio Serinha?m. Para a quantifica??o foi utilizado a Espectrometria de Emiss?o ?ptica por Plasma Acoplado Indutivamente ? ICP/OES. Observou-se que, de forma geral, nenhum dos elementos qu?micos ultrapassa os valores lim?trofes referenciais brasileiros, indicando a qualidade das ?guas do estu?rio. Al?m disso, as atividades antr?picas desenvolvidas ao longo da bacia de drenagem parecem n?o afetar a din?mica ambiental do estu?rio do rio Serinha?m, n?o demonstrando riscos ? sa?de humana ou ao ambiente de forma ampla. Ressalta-se que a maioria dos elementos quantificados demonstrou, com a espacializa??o, um decr?scimo da concentra??o em dire??o ? foz do estu?rio, ou seja, concentrando-se a montante, logo ap?s o ponto de descarga fluvial. Quando comparado a outros ambientes estuarinos o estu?rio do rio Serinha?m apresentou concentra??es baixas, destacando as maiores concentra??es para os elementos qu?micos Al, Fe e Mn que s?o elementos encontrados em altas concentra??es na litologia da bacia do estu?rio do rio Serinha?m. Com rela??o ? concentra??o granulom?trica, o 1? segmento apresentou a maior concentra??o de elementos qu?micos (Fe, Al, Co, Cr, Ni, V, Zn, Mn e Cu), visto que devido ? presen?a de ?reas de manguezais, ilhas fluviais se tornam uma barreira de reten??o de sedimentos, e a presen?a de pequenos tribut?rios ajuda no transporte de sedimentos que se acumulam nessa regi?o.
8

Valores de refer??ncia da densidade mineral ??ssea de universit??rios

Bezerra, Ricardo Fl??vio de Ara??jo 15 September 2003 (has links)
Made available in DSpace on 2016-06-24T04:14:38Z (GMT). No. of bitstreams: 1 DISSERTACAOFINAL.PDF: 940229 bytes, checksum: e2ce5c7fb46f93b3fa1c6b4542cf236a (MD5) Previous issue date: 2003-09-15 / Inappropriate reference values for bone mineral density (BMD) may result in an incorrect diagnoses, erroneously classifying someone as normal, osteopenic or osteoporotic. Thus, the purpose of this study was to determine reference values (mean ?? standard deviation) for the lumbar spine (L2-L4) and proximal femur (femoral neck, trochanter, Ward??s triangle and total femur) of undergraduate students of the Catholic University of Brasilia (UCB). BMD of 117 (25 inactive and 92 active) men were measured aging 20 to 35 years using dual-energy X-ray absorptiometry (DXA). The BMD values (g/cm2) for each site were: L2-L4 - 1,24 ?? 00,16; femoral neck - 1,22 ?? 0,17; Ward??s triangle - 1,13 ?? 0,21; trochanter - 1,02 ?? 0,16; and total femur - 1,21 ?? 0,16. When comparing these BMD with DXA??s reference values the following T scores were respectively obtained: 0,03 ?? 1,30; 1,18 ?? 1,32; 1,28 ?? 1,62; 0,80 ?? 1,43; and 0,90 ?? 1,27. There were significant differences (p<0,001) between T scores based on DXA population and sample population at all femur sites, but not at lumbar spine (p=0,79). After comparing BMD and T scores of inactive and active students, significant differences were found in femur sites (p<0,01) but not at lumbar spine (p=0,05). The data suggest that people should have their BMD diagnosed based on their own population reference values and that there is an influence of physical activity on BMD VI. / Valores de refer??ncia da densidade mineral ??ssea (DMO) inadequados podem resultar em um diagn??stico incorreto, enquadrando erroneamente um indiv??duo como sendo normal, osteop??nico ou osteopor??tico. Portanto, o prop??sito deste estudo foi determinar valores de refer??ncia (m??dia ?? desvio padr??o) da DMO da coluna lombar (L2-L4) e da extremidade proximal do f??mur (colo, troc??nter maior, tri??ngulo de Ward e f??mur total) em universit??rios do sexo masculino da Universidade Cat??lica de Bras??lia (UCB). Foram medidas as densidades minerais ??sseas (DMOs) de 117 homens (25 sedent??rios e 92 ativos) com idades entre 20 e 35 anos, utilizando o m??todo da absorciometria radiol??gica por raios X de dupla energia (DXA). As DMOs obtidas (em g/cm2) para cada regi??o foram: L2-L4 - 1,24 ?? 0,16; colo do f??mur - 1,22 ?? 0,17; tri??ngulo de Ward - 1,13 ?? 0,21; trocanter maior - 1,02 ?? 0,16 e f??mur total - 1,21 ?? 0,16. Comparando estas DMOs com os valores de refer??ncia do fabricante do DXA foram obtidos os respectivos escores T: 0,03 ?? 1,30; 1,18 ?? 1,32; 1,28 ?? 1,62; 0,80 ?? 1,43 e 0,90 ?? 1,27. Houve diferen??a estatisticamente significativa (p<0,001) entre os escores T obtidos com base no DXA e aqueles obtidos com base na pr??pria amostra, em todos as regi??es do f??mur, mas n??o na coluna lombar (p=0,79). Ao comparar as DMOs e os escores T entre sedent??rios e ativos, houve diferen??a estatisticamente significativa entre os valores relacionados ao f??mur (p<0,01), mas n??o entre os relacionados ?? coluna lombar (p=0,05). Os dados sugerem que cada indiv??duo deve ter sua DMO avaliada com base em sua pr??pria popula????o e que h?? tamb??m uma influ??ncia da atividade f??sica sobre a DMO.
9

Valores de refer?ncia para o teste da caminhada dos seis minutos em crian?as e adolescentes saud?veis com idade entre 6 e 12 anos

Priesnitz, Camila Varella 12 January 2009 (has links)
Made available in DSpace on 2015-04-14T13:32:39Z (GMT). No. of bitstreams: 1 410670.pdf: 427690 bytes, checksum: 162d4b22181880f932459f1462946a99 (MD5) Previous issue date: 2009-01-12 / OBJETIVO: Estabelecer valores de refer?ncia para o teste da caminhada dos seis minutos em crian?as e adolescentes saud?veis de seis a 12 anos de idade. M?TODOS: Este estudo transversal e prospectivo selecionou crian?as e adolescentes saud?veis com idade entre seis e 12 anos, em tr?s escolas de ensino fundamental de Porto Alegre. Todos os indiv?duos tiveram os seus dados antropom?tricos avaliados e realizaram dois testes da caminhada dos seis minutos. A partir disso, foi gerada uma equa??o de refer?ncia e avaliada a reprodutibilidade do teste. RESULTADOS: 188 crian?as (92 meninos) realizaram o teste. A correla??o de Pearson demonstrou que idade (r=0,51), altura (r=0,49), diferen?a na frequ?ncia card?aca antes e ap?s o teste (dif. FC) (r=0,30) e peso (r=0,29) se correlacionam de forma significativa com a dist?ncia percorrida. O melhor modelo de regress?o m?ltipla incluiu estas quatro vari?veis resultando na seguinte equa??o de predi??o: 145,343 + [11,78?idade(anos)] + [292,22?altura(m)] + [0,611?dif. FC(bpm)] [2,684?peso corporal(kg)]. O coeficiente de correla??o intraclasse comprovou a reprodutibilidade entre os testes. CONCLUS?O: A equa??o referencial para o teste da caminhada dos seis minutos foi gerada e a dist?ncia percorrida ? influenciada pela idade, altura, diferen?a na frequ?ncia card?aca antes e ap?s o t?rmino do teste e peso corporal.
10

Estudo piloto de valores de refer?ncia de Pletismografia para crian?as de 06 a 12 anos de idade

Pereira, Let?cia Mastella 26 January 2012 (has links)
Made available in DSpace on 2015-04-14T13:32:56Z (GMT). No. of bitstreams: 1 436870.pdf: 4361955 bytes, checksum: 48c19e37202a9d400004b94b2dfc44d6 (MD5) Previous issue date: 2012-01-26 / Introduction: The pulmonary function tests are important tools in the diagnosis and management of respiratory diseases in adults and children. The body plethysmography is a fast and accurate method to measure lung volumes and airway resistance. Recent publications have reference values for children plethysmography in populations of different races and different ages. Emerging, so the interest in generating values of healthy children to the local population. Aim: To evaluate the feasibility of generating reference values for the variables of plethysmography in children aged 06 years to 12 years of age. Methods: A survey was conducted between march and december 2011, where 32 healthy children aged between 06 and 12 years were selected from two elementary schools of Porto Alegre RS. Absolute lung volumes were measured FRC, RV and TLC as well as airway resistance (sRAW). Success was defined when the child produced at least two acceptable and reproducible curves. Results: 19 children had their tests validated. After comparing the parameters obtained with the reference and predicted values with results found by chilean study, the observed trend values of different lung volumes of both studies already published. Conclusion: The values of lung volumes found are smaller than the reference values used in comparison. These differences may be related to anthropometric characteristics of populations due to different aspects of ethnicity. / Introdu??o: Os testes de fun??o pulmonar s?o ferramentas importantes no diagn?stico e manejo de doen?as respirat?rias em adultos e crian?as. A pletismografia corporal ? um m?todo r?pido e acurado para mensurar volumes pulmonares e resist?ncia de vias a?reas. Publica??es recentes apresentam valores de refer?ncia de pletismografia para crian?as em popula??es de diversas ra?as e faixas et?rias distintas. Surgindo, assim o interesse em gerar valores de crian?as saud?veis para a popula??o local.Objetivo: Avaliar a viabilidade de gerar valores de refer?ncia para as vari?veis de pletismografia em crian?as de 06 anos a 12 anos de idade.M?todos: Estudo transversal realizado no per?odo entre mar?o e dezembro de 2011, onde 32 crian?as saud?veis com idades entre 06 e 12 anos foram selecionadas em duas escolas de ensino fundamental de Porto Alegre RS. Foram mensurados volumes pulmonares absolutos de FRC, RV e TLC bem como a resist?ncia de vias a?reas (sRaw). O sucesso foi definido quando a crian?a produziu pelo menos duas curvas aceit?veis e reprodut?veis.Resultados: 19 crian?as tiveram seus exames validados. Ap?s compara??o dos par?metros obtidos com os valores preditos de refer?ncia e com resultados encontrados por estudo chileno, se observou tend?ncia a valores de volumes pulmonares diferenciados de ambos os estudos j? publicados.Conclus?o: Os valores de volumes pulmonares encontrados s?o menores dos que os valores de refer?ncia usados em compara??o. Estas diferen?as podem estar relacionadas a caracter?sticas antropom?tricas das popula??es devido a diferentes aspectos ?tnicos.

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