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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.
451

Study of Chip-Level EMI Based on Near-Field Measurement Techniques

Hsieh, Hsin-Feng 08 August 2012 (has links)
This thesis proposed a near-field electromagnetic interference measurement framework to obtain sensitivity and spatial resolution of the characteristic parameters of magnetic probe based on International Electrotechnical Commission proposed for integrated circuits electromagnetic radiation measurement standards IEC 61967-6 : magnetic probe method. Using cross-coupled planar microwave bandpass filter which is realized by glass fiber board (FR4) for near-field measurement and electromagnetic simulation in comparsion. Nowadays, integrated circuits has become an important source of energy of overall electromagnetic interference in electronic systems. Finally, do near-field scanning measurement for a 64-pin wire-bond quad flat nonlead (WB-QFN) package and the voltage-controlled oscillator chip in 0.18 £gm CMOS technology by using high scanning resolution of microprobe. Then observes the chip-level and package-level electromagnetic interference, and achieve chip-level of near-field electromagnetic interference measurement techniques.
452

Near Sets: Theory and Applications

Henry, Christopher James 13 October 2010 (has links)
The focus of this research is on a tolerance space-based approach to image analysis and correspondence. The problem considered in this thesis is one of extracting perceptually relevant information from groups of objects based on their descriptions. Object descriptions are represented by feature vectors containing probe function values in a manner similar to feature extraction in pattern classification theory. The motivation behind this work is the synthesizing of human perception of nearness for improvement of image processing systems. In these systems, the desired output is similar to the output of a human performing the same task. Thus, it is important to have systems that accurately model human perception. Near set theory provides a framework for measuring the similarity of objects based on features that describe them in much the same way that humans perceive the similarity of objects. In this thesis, near set theory is presented and advanced, and work is presented toward a near set approach to performing content-based image retrieval. Furthermore, results are given based on these new techniques and future work is presented. The contributions of this thesis are: the introduction of a nearness measure to determine the degree that near sets resemble each other; a systematic approach to finding tolerance classes, together with proofs demonstrating that the proposed approach will find all tolerance classes on a set of objects; an approach to applying near set theory to images; the application of near set theory to the problem of content-based image retrieval; demonstration that near set theory is well suited to solving problems in which the outcome is similar to that of human perception; two other near set measures, one based on Hausdorff distance, the other based on Hamming distance.
453

Near Sets: Theory and Applications

Henry, Christopher James 13 October 2010 (has links)
The focus of this research is on a tolerance space-based approach to image analysis and correspondence. The problem considered in this thesis is one of extracting perceptually relevant information from groups of objects based on their descriptions. Object descriptions are represented by feature vectors containing probe function values in a manner similar to feature extraction in pattern classification theory. The motivation behind this work is the synthesizing of human perception of nearness for improvement of image processing systems. In these systems, the desired output is similar to the output of a human performing the same task. Thus, it is important to have systems that accurately model human perception. Near set theory provides a framework for measuring the similarity of objects based on features that describe them in much the same way that humans perceive the similarity of objects. In this thesis, near set theory is presented and advanced, and work is presented toward a near set approach to performing content-based image retrieval. Furthermore, results are given based on these new techniques and future work is presented. The contributions of this thesis are: the introduction of a nearness measure to determine the degree that near sets resemble each other; a systematic approach to finding tolerance classes, together with proofs demonstrating that the proposed approach will find all tolerance classes on a set of objects; an approach to applying near set theory to images; the application of near set theory to the problem of content-based image retrieval; demonstration that near set theory is well suited to solving problems in which the outcome is similar to that of human perception; two other near set measures, one based on Hausdorff distance, the other based on Hamming distance.
454

O estudo da morbidade materna e do concepto em uma maternidade pública de João Pessoa, Paraíba / The study of maternal morbidity and of the conceptus in a public maternity hospital in João Pessoa, Paraíba

Rudgy Pinto de Figueirêdo 03 May 2013 (has links)
Introdução - O estudo da morbidade materna contribui para um melhor entendimento do quadro da saúde materna, no Brasil, e para o conhecimento dos problemas obstétricos que podem levar (ou não) ao internamento das gestantes. Os dados de morbidade materna são vitais para os gestores de políticas públicas de saúde, os quais precisam saber quantas mulheres necessitam de cuidados obstétricos básicos para tornar a gestação e o parto mais seguros. Objetivos - Estudar a morbidade materna e os conceptos de puérperas numa maternidade da rede pública de João Pessoa, Paraíba, e identificar mulheres com diagnósticos considerados potencialmente graves e sugestivos de morbidade materna near miss. Método - Trata-se de um estudo transversal que fez parte de uma pesquisa maior sobre a morbimortalidade materna. Foi selecionada uma amostra de 414 puérperas por um processo de amostragem aleatória sistemático, cujos dados foram coletados, prospectivamente, de setembro a novembro de 2011, a partir dos prontuários clínicos e entrevistas complementares, numa maternidade pública de referência e acentuada demanda no município. Resultados - Foram estudadas 383 gestações que terminaram em parto e 391 conceptos. Entre as puérperas, predominou a faixa etária dos 20 aos 34 anos, cor parda, baixa escolaridade, baixa renda e sem ocupação formal no mercado de trabalho. Metade delas tiveram parto cesariano e 17 por cento dos recém-nascidos apresentaram problemas de saúde. Foram identificadas as seguintes intercorrências no parto: lacerações do períneo, hematomas, traumatismos, hemorragias e hipertensões. No puerpério, destacaram-se os transtornos hipertensivos, as hemorragias do pós-parto e as infecções. Entre os 64 diagnósticos sugestivos de near miss, estão as síndromes hipertensivas (58 por cento ) e as síndromes hemorrágicas (32,8 por cento ). Na análise comparativa entre os grupos de puérperas com morbidades sugestivas e não sugestivas de near miss, as seguintes variáveis apresentaram diferenças estatisticamente significantes (p<0,001): problemas de saúde na gestação anterior e atual, hipertensão, gestação de risco e uso de anti-hipertensivos. Não foram encontradas diferenças estatísticas entre as características dos neonatos e a morbidade materna, sugestiva ou não de near miss. Conclusão - O estudo permitiu conhecer as características maternas e a prevalência (15,5 por cento ) de morbidades sugestivas de near miss que ocorrem, seja no parto seja no puerpério. Ampliar o conhecimento sobre os aspectos que envolvem a morbidade materna torna-se crucial para o adequado enfrentamento de complicações no ciclo gravídico-puerperal, além de apoiar o Plano de Ação para acelerar a redução da mortalidade materna e morbidade materna grave. / Introduction The study of maternal morbidity contributes to a better understanding of the maternal health scene in Brazil and to the fuller knowledge of obstetric problems that may lead (or not) to the hospitalization of pregnant women. Maternal morbidity data are vital for the administrators of public health policies, who need to know how many women are expected to need basic obstetric care so as to make pregnancy and delivery safer. Objectives To study maternal morbidity and the conceptuses of puerperae in a public maternity hospital in João Pessoa, Paraíba, and identify women with a diagnosis considered potentially threatening and suggestive of being possible near misses. Method - This is a transverse study that is part of a larger project on maternal morbimortality. A sample of 414 puerperae was selected by a process of systematic random sampling, the data on whom were collected, prospectively, from September to November 2011, on the basis of clinical case notes and complementary interviews, at a public maternity hospital of reference in great demand in the municipality. Results - A total of 383 pregnancies which were carried through to delivery and 391 conceptuses were studied. There predominated, among the puerperas: the 20 - 34 year age-group, of brown skin color, low level of schooling, low income and no formal professional occupation. Half of them underwent caesarian section and 17 per cent of the new-born presented health problems. The following incidents were identified during labour: lacerations of the perineum, haematomas, traumatisms, haemorrhages and hypertensions. During the puerperium, hypertensive disorders, post-partum hemorrhage and other puerperal infections were noteworthy. The most frequent mention in the case notes of maternal causes was of hypertensive disturbances of pregnancy. Among the 64 diagnoses suggestive of near-miss, are the hypertensive (58 per cent ) and the haemorrhagic syndromes (32.8 per cent ). In the comparative analysis of the groups of puerperae with morbidities suggestive of near-miss, the following variables presented statistically significant differences (p<0.001): health problems during the previous and present pregnancy, hypertension, risk pregnancy and use of hypertensive medications. No statistical differences between the characteristics of the newborn and those of maternal morbidity (whether suggestive of near miss or not) were found. Conclusion - The study allowed the identification of maternal characteristics and the prevalence (15.5 per cent ) of the morbidities suggestive of maternal near-miss which occur either during labour or puerperium. It is crucial that our knowledge of the aspects of maternal mortality should be expanded so that the complications of the pregnancy-puerperal cycle may be adequately treated and to provide support for the Action Plan to speed up the reduction of maternal mortality and severe maternal morbidity.
455

Fatores de risco para o near miss materno na atenção primária à saúde

Costa, Catiane Souza Tavares 23 March 2017 (has links)
Objective: Objective: To analyze risk factors for maternal Near Miss (NM) in post NM women, residing in Aracaju, related to primary health care. Method: Control case study with 54 women (18 cases and 36 controls). Quantitative variables were analyzed using the non-parametric Wilcoxon test. To evaluate the association between the categorical variables, the Chi-Square and Fisher's Exact tests were used. Risk factors were estimated from Odds Ratio (OR). Results: For the quantitative variables, the behavior between the case and control groups was similar. Among the qualitative variables "having a partner, the previous history of the disease and the type of delivery" were the variables that were statistically significant with NMM. In the logistic regression simple, for the analysis of risk factors for NMM, it was verified that having a partner and type of delivery presented, respectively, 13.60 (CI: 4.11, 4.96), 4.08 (CI: 1.23; 13,51) more chance of a woman having NMM. Conclusion: Continued attention is paid to women throughout the puerperal pregnancy cycle, since it has been identified that these / Objetivo: Analisar os fatores de risco para Near Miss (NM) materno em mulheres pós NM, residentes em Aracaju, relacionado à Atenção Primária à Saúde. Método: Estudo caso controle realizado com 54 mulheres (18 casos e 36 controles). As variáveis quantitativas foram analisadas por meio do teste não paramétrico de Wilcoxon. Para avaliar associação entre as variáveis categóricas, foram utilizados os testes de Qui-Quadrado Person e Exato de Fisher. Os fatores de risco foram estimados a partir de Odds Ratio (OR). Resultados: Para as variáveis quantitativas o comportamento entre os grupos caso e controle foi semelhante. Dentre as variáveis qualitativas “ter companheiro, a história prévia da doença e o tipo de parto” foram as variáveis que tiveram significância estatística com o Near Miss Materno (NMM). Na regressão logística simples, para a analise dos fatores de risco para o NMM, foi verificado que ter companheiro e tipo de parto apresentaram respectivamente 13,60 (IC: 4,11; 4,96) 4,08 (IC: 1,23;13,51) mais chance de uma mulher ter NM. Conclusão: Faz-se fundamental a atenção continua à mulher em todo o ciclo gravídico puerperal, uma vez que foi identificado que essas mulheres necessitam ter um melhor acompanhamento na Atenção Primária à Saúde (APS).
456

Condições de risco ao nascer relacionadas aos critérios de near miss neonatal : estudo de linkage entre o SINASC e o SIM no estado de Sergipe / Conditions of risk at birth related to near miss neonatal criteria : linkage study between SINASC and SIM in the state of Sergipe

Silva, Márcia Estela Lopes da 29 August 2018 (has links)
The technological advance has been contributing to the survival of newborns considered to be at risk for infant mortality. The concept of Near Miss Neonatal, defined as a newborn who presented a severe complication at birth but survived the neonatal period, came to define further studies on those infants who overcame causes of probable early neonatal death, and to evaluate the conditions of perinatal care. Objective: To identify the birth risk conditions related to the Near Miss Neonatal criteria from the secondary database analysis through a linkage between SINASC and SIM, in the period from 2011 to 2016 in the State of Sergipe. Methodology: an analytical retrospective cohort study with analysis of secondary data in a historical series in the official databases, through the linkage between SINASC and SIM. Data were collected on live births resident in the State of Sergipe, and the sample was selected from all newborns with early Near Miss Neonatal criteria: gestational age less than 31 weeks, birth weight less than 1,500 g and APGAR at the fifth minute below 7. We selected variables present in the SINASC: sociodemographic, obstetric and newborn, categorized and analyzed within the sample. The final statistical analysis evaluated the results by determining the relative risk and their respective confidence intervals, which identified the probability of the outcome selected by the study. Results: the variables that most had relation with the risk conditions at birth with a relative risk greater than 1 were: place of birth in the capital, home birth, illiteracy or low maternal schooling, age under 20 years and over 35 years, losses fetal abortions, prenatal care with 6 or fewer visits, number of prenatal consultations not suitable for gestational age at the start of follow-up, multiple gestation, non-cephalic presentation and congenital anomaly. The variables identified as protection factors with relative risk less than 1 were: the presence of partners, pregnant women aged between 20 and 35 years, maternal schooling over 4 years, cesarean delivery and induced labor. And the variables unrelated to the outcome, with relative risk crossing the 1 value in their confidence interval, were the maternal color / race and the sex of the newborn. Conclusion: In this study it was verified that the variables found as risk factors come according to what the literature has described and, therefore, it is intended that it serve as support for other studies on the subject and contributes to the survey of evidences that can subsidize bases for the construction of programs and public policies directed to the reduction of the infant morbimortality. / O avanço tecnológico vem colaborando para a sobrevida de recém-nascidos considerados de risco para mortalidade infantil. O conceito de Near Miss Neonatal, definido como um recém-nascido que apresentou uma complicação grave ao nascer, mas sobreviveu ao período neonatal, veio para que se delimitassem mais estudos sobre essas crianças que superaram causas de provável óbito neonatal precoce, e se avaliasse as condições de assistência perinatal. Objetivo: Identificar as condições de risco ao nascer relacionadas aos critérios de Near Miss Neonatal a partir da análise secundária de banco de dados através de um linkage entre o SINASC e o SIM, no período de 2011 a 2016 no Estado de Sergipe. Metodologia: estudo analítico de coorte retrospectiva com análise de dados secundários em uma série histórica nos bancos de dados oficiais, através do linkage entre o SINASC e o SIM. Foram coletados os dados referentes aos nascidos vivos residentes no Estado de Sergipe, sendo que a amostra selecionada foi de todos recém-nascidos com os critérios de Near Miss Neonatal precoce: idade gestacional menor que 31 semanas, peso ao nascer menor que 1.500g e APGAR no quinto minuto menor que 7. Foram selecionadas variáveis presentes no SINASC: sociodemograficas, obstétricas e do recém nascido, categorizadas e analisadas dentro da amostra. A análise estatística final avaliou os resultados através da determinação do risco relativo e de seus respectivos intervalos de confiança os quais identificaram a probabilidade do desfecho selecionado pelo estudo. Resultados: as variáveis que mais tiveram relação com as condições de risco ao nascer apresentando risco relativo maior que 1 foram: local de ocorrência na capital, parto domiciliar, analfabetismo ou baixa escolaridade materna, idade menor a 20 anos e maior que 35 anos, perdas fetais/abortos prévios, pré-natal com 6 ou menos consultas, número de consultas pré-natais inadequadas à idade gestacional de início do acompanhamento, gestação múltipla, apresentação não cefálica e anomalia congênita. As variáveis identificadas como fatores de proteção com risco relativo menor que 1 foram: presença de companheiro, gestantes com idade entre 20 e 35 anos, escolaridade materna maior que 4 anos, parto cesáreo e trabalho de parto induzido. E as variáveis sem relação com o desfecho, com risco relativo perpassando o valor 1 em seu intervalo de confiança, foram a cor/raça materna e o sexo do recém-nascido. Conclusão: Neste estudo verificou-se que as variáveis encontradas como fatores de risco vêm de acordo com o que a literatura tem descrito e, assim sendo, pretende-se que o mesmo sirva de apoio a demais estudos sobre o tema e contribua para o levantamento de evidências que possam subsidiar bases para a construção de programas e políticas públicas direcionadas à diminuição da morbimortalidade infantil. / Aracaju
457

Utilização do Sistema de Classificação de Dez Grupos de Robson para partos na investigação da morbidade materna grave = Applying the Robson Ten Group Classification System for deliveries to the investigation of severe maternal morbidity / Applying the Robson Ten Group Classification System for deliveries to the investigation of severe maternal morbidit

Ferreira, Elton Carlos, 1982- 07 April 2014 (has links)
Orientadores: Jose Guilherme Cecatti, Maria Laura Costa do Nascimento / Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas / Made available in DSpace on 2018-08-26T00:58:50Z (GMT). No. of bitstreams: 1 Ferreira_EltonCarlos_M.pdf: 3220735 bytes, checksum: adb82ed562a5753986a41b8a54b80cb0 (MD5) Previous issue date: 2014 / Resumo: Objetivo: avaliar a distribuição dos partos segundo o Sistema de Classificação em Dez Grupos de Robson (RTGCS) explorando os dados da Rede Brasileira de Vigilância da Morbidade Materna Grave (RBVMMG) e do Hospital da Mulher (CAISM) da Universidade Estadual de Campinas (UNICAMP), Brasil; e comparação de ambos com os dados do estudo Global Survey da Organização Mundial de Saúde (WHO). Método: Foram realizadas duas abordagens. A primeira foi uma análise secundária de um estudo de corte transversal multicêntrico que ocorreu em 27 maternidades brasileiras de referência, localizadas nas cinco regiões do país e participantes da RBVMMG. Foi realizada a codificação dos dados para alocação de todas as mulheres segundo o RTGCS e as mulheres foram classificadas de acordo com o espectro clínico de gravidade e a condição subjacente de morbidade materna grave. Para a segunda abordagem, foi realizado um estudo de corte transversal, com avaliação das mulheres admitidas para parto no CAISM no período de janeiro 2009 a julho de 2013. As mulheres foram agrupadas segundo a RTGCS e, adicionalmente, a distribuição das mulheres entre os diferentes grupos foi comparada entre os casos que tiveram morbidade materna grave, operacionalmente definida pela necessidade de internação em unidade de terapia intensiva (UTI), com os demais casos sem complicações graves. Para as duas abordagens (RBVMMG e CAISM), realizou-se também uma comparação com resultados publicados de outro grande estudo, realizado em diferentes contextos e países, fundamentalmente com os dados para o Brasil, disponíveis no estudo Global Survey da WHO. Resultados: Para a RBVMMG, das 7247 mulheres que compuseram o estudo, 73.2% foram submetidas à cesariana (CS). O grupo 10, grupo com provável indicação de cesárea por complicação materna e/ou fetal, foi o mais prevalente com 33.9% e também aquele com maior contribuição para a taxa geral de cesárea, 28%. Os grupos que tiveram maior gravidade (¨near miss¨ e óbito materno) foram, em ordem decrescente, os grupos 7 e 9, o grupo 8 e o grupo 10. O grupo 3 teve um caso de resultado materno grave (¨near miss¨ + óbito materno) para cada 29 casos de condição potencialmente ameaçadora da vida. Nas mulheres desse grupo submetidas a CS, essa relação atingiu valores de 1:10. Em todos os grupos avaliados, a hipertensão foi o fator de gravidade mais frequente. Na segunda abordagem, foram admitidas 12.771 parturientes durante o período do estudo. A taxa de cesariana encontrada foi de 46.6%. O grupo 1 foi o mais prevalente com 28.1%, sendo o grupo 5 aquele que mais contribui para a taxa geral de cesárea (12.7%). Apresentaram, proporcionalmente, mais internação em UTI os grupos 10 (46.8%), 5 (13.3%) e 2 com 9.8%. Conclusões: O estudo evidenciou uma alta taxa de cesárea nas duas populações avaliadas e o uso do RTGCS mostrou-se útil, evidenciando grupos clinicamente relevantes com alta taxa de parto por cesárea. Estudos futuros serão necessários para melhor avaliar a associação entre cesárea e morbidade materna grave, assim como definir possíveis intervenções e a taxa de cesárea esperada para esse grupo específico de mulheres / Abstract: Objective: To evaluate the distribution of delivering women according to the Robson¿s Ten Group Classification System (RTGCS) exploring the data from the Brazilian Network for the Surveillance of Severe Maternal Morbidity (RBVMMG) and from a tertiary hospital (CAISM), University of Campinas, Brazil; comparing both data with that from the WHO Global survey. Method: Two approaches were proposed. The first, a secondary analysis of a database obtained from a multicenter cross-sectional study taking place in 27 referral obstetric units located in the five geographical regions of Brazil, members of the Brazilian Network for the Surveillance of Severe Maternal Morbidity (RBVMMG), was carried out. For this analysis, data was organized following information necessary to classify all women into one of the RTGCS and cases from each of the 10 groups were classified according to case severity and underlying cause of severe morbidity. Subsequently, certain Robson groups were subdivided for further analysis. For the second approach, a cross-sectional study of data from women delivering at CAISM from January 2009 to July 2013 was carried out. Women were grouped according to RTGCS and, additionally, the distribution of women among the different groups was compared between cases who had severe maternal morbidity (SMM), operationally defined by intensive care unit (ICU) admission, with the other cases without severe complications. For both approaches (RBVMMG and CAISM), patients distributed among groups were compared to another Brazilian study population, available on the WHO Global Survey study. Results: For RBVMMG, among the 7247 women considered, 73.2% underwent cesarean section (CS). Group 10 had the highest prevalence rate (33.9%), also contributing most significantly (28%) to the overall CS rate. Groups associated with a severe maternal outcome (maternal ¨near miss¨ or maternal death), in decreasing order were: groups 7 and 9, 8 and 10. Group 3 had one case of severe maternal outcome (maternal ¨near miss¨ + maternal death) for every 29 cases of potentially life-threatening conditions. When evaluating only women undergoing CS in this group, ratios of 1:10 were achieved, indicating a worse outcome. Among all groups evaluated, hypertension was the most common condition of severity. For CAISM, of the 12771 women, 46.6% underwent CS. Group 1 had the highest prevalence rate (28%) and Group 5 contributed most significantly to overall CS rates. ICU admission was proportionally higher in groups 10 (46.8%), 5 (13.3%) and 2 with 9.8%.Conclusions: The study demonstrated a high cesarean section rate in the two populations studied and the use of RTGCS proved to be extremely useful, showing clinically relevant groups with high rates of cesarean section. Future studies are needed to better evaluate the association between cesarean section and severe maternal morbidity, as well as to define possible interventions and the expected cesarean section rate for this particular group of women / Mestrado / Saúde Materna e Perinatal / Mestre em Ciências da Saúde
458

Morbidade materna grave e sexualidade = Severe maternal morbidity and sexual functioning / Severe maternal morbidity and sexual functioning

Polido, Carla Betina Andreucci, 1969- 31 July 2015 (has links)
Orientadores: José Guilherme Cecatti, Rodolfo de Carvalho Pacagnella / Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas / Made available in DSpace on 2018-08-27T18:17:52Z (GMT). No. of bitstreams: 1 Polido_CarlaBetinaAndreucci_D.pdf: 9580415 bytes, checksum: 7a66fbe0b5c7b89a2918fd10375d6d95 (MD5) Previous issue date: 2015 / Resumo: Introdução: Morbidade materna grave e near miss materno são indicadores de saúde mais abrangentes, quando comparados à razão de morte materna. Esse conceito recente permite não apenas a identificação do número de mulheres que morrem durante gestação e/ou parto, mas também o estudo da prevalência de condições potencialmente ameaçadoras de vida. No entanto, pouco se conhece sobre as possíveis consequências em longo prazo após esses episódios nos diversos aspectos da vida das sobreviventes. A gestação e o parto podem modificar a resposta sexual feminina, mas poucos estudos avaliaram esse desfecho após eventos de morbidade materna grave. Objetivos: Realizar uma revisão sistemática sobre aspectos de sexualidade, incluindo função sexual, em mulheres que apresentaram qualquer tipo de complicação durante gestação ou parto. Avaliar aspectos da resposta sexual feminina em mulheres com e sem morbidade materna grave. Métodos: Revisão sistemática nas bases de dados PubMed, EMBASE e SciELO, avaliando a associação de morbidade materna geral e grave com alterações da função e/ou resposta sexual feminina. A revisão seguiu o protocolo do método proposto para estudos observacionais (PRISMA). A resposta sexual feminina foi estudada como um dos desfechos da Coorte de Morbidade Materna Grave (COMMAG). O questionário Female Sexual Function Index (FSFI) foi aplicado às mulheres expostas (com antecedente de morbidade grave) e não expostas (com antecedente de gestação sem complicações). Além do FSFI, questões gerais sobre saúde geral e reprodutiva complementaram o estudo. Resultados: Lesões perineais maiores (terceiro e quarto graus) foram avaliadas como desfechos de morbidade geral em 12 estudos, e a morbidade materna grave foi analisada em 2 estudos. A morbidade geral e a grave foram associadas com maior tempo para a retomada da atividade sexual após o parto. A morbidade também se associou a uma maior frequência de dispareunia após o parto. Escores totais do FSFI não foram significativamente diferentes entre grupos de exposição e controle. Pela heterogeneidade entre eles, os estudos individuais permitiram apenas uma síntese qualitativa dos resultados, mas não metanálise. Para avaliação da resposta sexual feminina no COMMAG, foram incluídas 638 mulheres previamente internadas durante gestação ou parto na maternidade do CAISM/UNICAMP. Dessas, 315 tinham antecedente de morbidade materna grave, e 323 eram mulheres sem complicações durante gestação ou parto. Os escores totais médios do FSFI encontrados foram abaixo dos valores de ponto de corte para suspeita de disfunção, sem diferença entre os grupos estudados. Mulheres com antecedente de morbidade materna grave retomaram atividade sexual mais tardiamente após o parto do que as do grupo controle, porém sem diferença entre os grupos a partir do terceiro mês pós-parto. A análise múltipla identificou associação de valores mais baixos de FSFI com baixo de peso materno e ausência de parceria. Conclusões: Alterações da resposta sexual feminina podem ser consequências em longo prazo da ocorrência de episódios de morbidade materna grave. Com o crescimento da população de mulheres que sobrevivem a esses episódios, a abordagem da sexualidade no seguimento dessa população se faz premente / Abstract: Introduction: Severe maternal morbidity and maternal near miss currently are better health indicators than maternal mortality ratio. Together with the identification of women who died during pregnancy and/or childbirth, the new concept allows also to investigate the prevalence of potential life-threatening conditions. However, little is known about possible long-term consequences after those episodes over several aspects of the lives of survivors. It has already been described that uncomplicated pregnancy and childbirth might modify female sexual response. Notwithstanding, only few studies have evaluated aspects of sexuality of women after episodes of severe maternal morbidity. Objectives: To perform a systematic review of aspects of sexuality, including sexual function, in women who had had any kind of complication during pregnancy or childbirth. To evaluate aspects of female sexual response in women with and without severe maternal morbidity. Methods: Investigation included a systematic review through the databases PubMed, EMBASE, and SciELO, assessing general and severe maternal morbidity associated with altered female sexual response. The review followed the protocol method proposed for observational studies (PRISMA). The female sexual response has been studied as one of the outcomes at a retrospective cohort study on maternal severe morbidity (COMMAG). The Female Sexual Function Index questionnaire (FSFI) was applied at exposed women (severe morbidity) and unexposed (pregnancy without complications). Along with FSFI, the survey included also questions on general and reproductive health. Results: Major perineal injuries (3rd and 4th degree) were evaluated as general morbidity outcomes at 12 studies, and severe maternal morbidity was analyzed at 2 studies. Compared to control group, both women exposed to general and severe morbidity delayed resumption of sexual activity after childbirth. The exposed group had also more frequently dyspareunia after childbirth. The mean total FSFI scores were similar at both groups. The heterogeneity of the studies allowed only a qualitative synthesis, and meta-analysis was not feasible. To assess female sexual response at the cohort study, 638 women who delivered at UNICAMP's maternity unit were included. 315 of them were severe maternal morbidity cases, and 323 were women who had had uncomplicated pregnancy or childbirth. The mean total scores of FSFI were similar in both groups, though below cut-off values for suspected dysfunction. Women after severe maternal morbidity resumed sexual activity after birth later, when compared to control group. However, there was no significant difference at three months. Multivariate analysis showed association of lower FSFI scores with maternal low maternal weight and no partner. Conclusions: Altered female sexual response might be a long-term consequence after episodes of severe maternal morbidity. Since there is a growing population of women who survive these episodes, proper evaluation of sexual functioning among those women should be conducted / Doutorado / Saúde Materna e Perinatal / Doutora em Ciências da Saúde
459

Frequency-domain diffuse optical spectroscopy for cardiovascular and respiratory applications

Istfan, Raeef Eric 15 May 2021 (has links)
Frequency Domain Diffuse Optical Spectroscopy (FD-DOS) is an emerging optical technique that uses near infrared light to probe the hemodynamics of biological tissue. Compared to more common Continuous Wave (CW) methods, FD-DOS uses light that is temporally modulated on the order of MHz to quantify the absorption and scattering of tissue. FD-DOS can also be used to obtain absolute concentration of tissue chromophores such as oxy- and deoxy-hemoglobin, which allow for quantitative measurements of tissue hemodynamics. This dissertation focuses on the evolution of our lab’s custom digital FD-DOS as a platform for taking optical measurement of biological tissue for respiratory and cardiovascular applications. Several important instrumentation improvements will be reviewed that have enhanced the performance of the system while making it more portable and clinic ready. Two translational applications will be described in detail: 1) the use of high-speed FD-DOS for the non-invasive extraction of venous oxygen saturation (SvO2) and 2) the use of FD-DOS to monitor the hemodynamics of the sternocleidomastoid (SCM) muscle towards the non-invasive monitoring of patients on mechanical ventilation. The custom FD-DOS system parameters were adjusted for each application, with a focus on high speed to extract the cardiac signal for the SvO2 project, and a focus on high SNR to measure the highly absorbing SCM. Measurements on healthy volunteers and rabbits were used to assess the feasibility of using FD-DOS for these applications. Finally, preliminary work was conducted to characterize a miniature FD-DOS source and detector with the goal of moving towards a wearable version of FD-DOS. / 2022-05-15T00:00:00Z
460

Succession to the caliphate in early Islam

al-Kathiri, Faisal H. 01 January 1980 (has links)
This thesis will examine the succession to the Islamic Caliphate as it existed during the time of the orthodox Caliphs (632-661).

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