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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

Repercuss?es da pr?-ecl?mpsia grave nos desfechos perinatais

Cassiano, Alexandra do Nascimento 24 November 2017 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2018-02-15T11:46:46Z No. of bitstreams: 1 AlexandraDoNascimentoCassiano_DISSERT.pdf: 1553910 bytes, checksum: a3383604e2b5a6a434aba7be03cce61f (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2018-02-16T14:14:30Z (GMT) No. of bitstreams: 1 AlexandraDoNascimentoCassiano_DISSERT.pdf: 1553910 bytes, checksum: a3383604e2b5a6a434aba7be03cce61f (MD5) / Made available in DSpace on 2018-02-16T14:14:30Z (GMT). No. of bitstreams: 1 AlexandraDoNascimentoCassiano_DISSERT.pdf: 1553910 bytes, checksum: a3383604e2b5a6a434aba7be03cce61f (MD5) Previous issue date: 2017-11-24 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / Introdu??o: A an?lise dos indicadores de sa?de neonatal e materna ? mundialmente utilizada como marcador da efic?cia dos servi?os de sa?de em um pa?s. O per?odo perinatal exige aten??o especial, tendo em vista a vulnerabilidade do feto e do neonato diante da exposi??o a patologias obst?tricas que influenciam a sa?de perinatal, a exemplo da pr?-ecl?mpsia grave. Objetivo: Analisar os fatores associados aos desfechos perinatais de gestantes com diagn?stico de pr?-ecl?mpsia grave. Metodologia: Estudo transversal desenvolvido em uma maternidade-escola, retrospectivo e prospectivo, cuja popula??o correspondeu aos fetos/neonatos de gestantes com diagn?stico de pr?-ecl?mpsia grave. A amostra correspondeu a 157 prontu?rios, em um recorte de um ano. Foram inclusos os fetos/neonatos de gestantes com diagn?stico de pr?-ecl?mpsia grave e exclu?dos os fetos/neonatos de gestantes com diagn?stico de outras s?ndromes hipertensivas. A pesquisa seguiu a Resolu??o 466/2012. O pr?-projeto teve Parecer homologado com n?mero: 2.013.851 e C. A. A. E: 64881817.5.0000.5537. Para an?lise dos dados foram utilizados o SPSS 21.0 e o R 3.3.2. Resultados: A vitalidade esteve associada a vari?veis maternas, perinatais e neonatais. A restri??o de crescimento intrauterino teve influ?ncia sobre a idade gestacional (p<0,001) e o peso ao nascer (p<0,01) do neonato. Assim, observou-se uma significativa propor??o de prematuros (48,4%) e de neonatos classificados como nascidos de baixo peso (43,3%). A idade gestacional e o peso ao nascer foram associados ? vitalidade fetal (p<0,001 e p=0,018), ? necessidade de reanima??o (p<0,001) e ? admiss?o na unidade de cuidados intensivos (p<0,01). Baixos valores de APGAR no primeiro e quinto minutos estiveram relacionados ao ?bito neonatal (p<0,01), ? necessidade de reanima??o (p<0,01) e ? admiss?o na unidade de terapia intensiva (p=0,004 e p=0,041). Um n?mero maior de consultas pr?-natal (0,30; p<0,001) e valores menores de protein?ria (-0,30; p<0,001) estiveram correlacionados a uma idade gestacional maior do neonato. Quanto maior o n?mero de semanas de gesta??o no momento da admiss?o (0,77; p<0,001), maior o peso do rec?m-nascido ao nascimento. Conclus?es: A gravidade da pr?-ecl?mpsia repercutiu negativamente sobre os desfechos perinatais com a presen?a da restri??o de crescimento intrauterino, ?bito fetal, prematuridade, baixo peso ao nascer, necessidade de reanima??o neonatal e admiss?o na unidade de cuidados intensivos. / Introduction: The analysis of neonatal and maternal health indicators is used globally as a marker of the effectiveness of health services in a country. The perinatal period requires special attention, since the vulnerability of the fetus and neonate in the face of exposure to obstetric pathologies that influence perinatal health, such as severe preeclampsia. Objective: To analyze the factors associated with the perinatal outcomes of pregnant women diagnosed with severe preeclampsia. Methodology: A cross-sectional study developed in a retrospective and prospective school maternity unit, whose population corresponded to the fetuses/ neonates of pregnant women diagnosed with severe preeclampsia. The sample corresponded to 157 records in a one-year cut. Fetuses / neonates of pregnant women diagnosed with severe preeclampsia were excluded, and the fetuses / neonates of pregnant women with diagnosis of other hypertensive syndromes were excluded. The pre-project was approved with opinion number: 2,013,851 and C. A. A. E: 64881817.5.0000.5537. The research followed Resolution 466/2012. SPSS 21.0 and R 3.3.2 were used for data analysis. Results: Vitality was associated with maternal, perinatal and neonatal variables. Intrauterine growth restriction had an influence on gestational age (p <0.001) and birth weight (p <0.01) of the neonate. Thus, a significant proportion of preterm infants (48.4%) and neonates classified as low birth weight (43.3%) were observed. Gestational age and birth weight were associated with fetal vitality (p <0.001 and p = 0.018), the need for resuscitation (p <0.001) and admission to the intensive care unit (p <0.01). Low APGAR values in the first and fifth minutes were related to neonatal death (p <0.01), need for resuscitation (p <0.01) and admission to the intensive care unit (p = 0.004 and p = 0.041). A higher number of prenatal consultations (0.30, p <0.001) and lower values of proteinuria (-0.30, p <0.001) were correlated with a higher gestational age of the neonate. The higher the number of weeks of gestation at admission (0.77, p <0.001), the greater the weight of the newborn at birth. Conclusions: Preeclampsia severity had a negative effect on perinatal outcomes with intrauterine growth restriction, fetal death, prematurity, low birth weight, need for neonatal resuscitation and admission to the intensive care unit.
2

Evaluation of the fullPIERS model and PLGF as predictors of adverse outcomes in women with hypertensive disorders of pregnancy / Avalia??o do modelo fullPIERS e PLGF como preditotes de desfechos adversos em mulheres com doen?a hipertensivas gestacional

Escouto, Daniele Crist?v?o 19 March 2018 (has links)
Submitted by PPG Medicina e Ci?ncias da Sa?de (medicina-pg@pucrs.br) on 2018-05-04T19:26:50Z No. of bitstreams: 1 DANIELE_CRISTOV?O_ESCOUTO.pdf: 3899595 bytes, checksum: 60af701fccf65168e901b103c704e2fe (MD5) / Rejected by Sheila Dias (sheila.dias@pucrs.br), reason: Devolvido devido ao t?tulo da capa (em ingl?s) estar diferente do t?tulo da folha de rosto e ficha catalogr?fica (em portugu?s). on 2018-05-16T19:01:31Z (GMT) / Submitted by PPG Medicina e Ci?ncias da Sa?de (medicina-pg@pucrs.br) on 2018-05-17T11:39:29Z No. of bitstreams: 1 DANIELE_CRISTOV?O_ESCOUTO.pdf: 3899595 bytes, checksum: 60af701fccf65168e901b103c704e2fe (MD5) / Rejected by Caroline Xavier (caroline.xavier@pucrs.br), reason: Devolvido devido ao t?tulo da capa (em ingl?s) estar diferente do t?tulo da folha de rosto e ficha catalogr?fica (em portugu?s). on 2018-05-28T18:04:10Z (GMT) / Submitted by PPG Medicina e Ci?ncias da Sa?de (medicina-pg@pucrs.br) on 2018-09-03T19:01:37Z No. of bitstreams: 1 DANIELE_CRIST?V?O_ESCOUTO.pdf: 2805745 bytes, checksum: c76c0d3c115aae92a7015f9312fd9604 (MD5) / Approved for entry into archive by Sheila Dias (sheila.dias@pucrs.br) on 2018-09-05T13:05:03Z (GMT) No. of bitstreams: 1 DANIELE_CRIST?V?O_ESCOUTO.pdf: 2805745 bytes, checksum: c76c0d3c115aae92a7015f9312fd9604 (MD5) / Made available in DSpace on 2018-09-05T13:40:27Z (GMT). No. of bitstreams: 1 DANIELE_CRIST?V?O_ESCOUTO.pdf: 2805745 bytes, checksum: c76c0d3c115aae92a7015f9312fd9604 (MD5) Previous issue date: 2018-03-19 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Introdu??o ? A distin??o adequada dos casos de alto risco para eventos graves nas doen?as hipertensivas gestacionais, n?o apenas pr?-ecl?mpsia, ? um desafio cl?nico. O modelo fullPIERS ? uma ferramenta simples e de baixo custo que utiliza vari?veis cl?nicas para estratificar a probabilidade de eventos adversos em gestantes com pr?-ecl?mpsia. O fator de crescimento placent?rio (PlGF) ? um biomarcador com concentra??es reduzidas no plasma de mulheres com pr?-ecl?mpsia e com crescente emprego na avalia??o de gestantes com suspeita de pr?-ecl?mpsia. Objetivos ? O objetivo deste estudo ? estimar a acur?cia do modelo fullPIERS e do biomarcador PlGF como preditores de desfechos adversos maternos em gestantes com doen?a hipertensiva gestacional. M?todos ? Estudo de coorte prospectiva em um hospital terci?rio em Porto Alegre, Brasil, que incluiu gestantes admitidas com press?o arterial sist?lica ? 140 e/ou press?o arterial diast?lica ? 90 mmHg a partir da 20? semana de gesta??o. Os piores valores de vari?veis cl?nicas e laboratoriais dentro das primeiras 48 horas de admiss?o foram coletados. Desenvolvimento de eventos adversos foi acompanhado por um per?odo de 14 dias. Concentra??es plasm?ticas maternas de PlGF do momento da admiss?o foram mensuradas. Resultados ? 405 gestantes foram inclu?das no estudo. Entre as 351 mulheres inclu?das na an?lise do modelo fullPIERS, 20 (5%) desenvolveram pelo menos um evento adverso materno dentro de 14 dias de interna??o. O modelo fullPIERS teve pouca capacidade discriminativa para prever desfechos em 48 horas [AUC 0,639 (95% CI 0,458-0,819)]. A acur?cia do modelo foi ainda mais baixa dentro de sete semanas da admiss?o [AUC 0,612 (95% CI 0,440-0,783)]; a capacidade discriminativa manteve-se similar dentro de 14 dias da admiss?o [AUC 0,637 (95% CI 0,491-0,783)]. A calibra??o do modelo fullPIERS tamb?m foi ruim: inclina??o 0,35 (95% CI 0,08-0,62) e intercepto 1,13 (95%CI -2,4-0,14). A an?lise do PlGF incluiu 392 gestantes. PlGF <5? percentil esteve associados a eventos adversos maternos dentro de 48 horas em gestantes inclu?das antes de 35 semanas com sensibilidade de 0,80 (0,4-0,96), valor preditivo negativo (VPN) de 0,98 (0,9-0,99) e AUC ROC de 0,672 (IC 95% 0,5-0,9). PlGF <100 pg/mL apresentaram sensibilidade de 0,8 (0,4-0,96), especificidade de 0,6 (0,5-0,7) e VPN de 0,99 (0,94-0,99) em mulheres ap?s 37 semanas de gravidez. PlGF apresentou bom desempenho para prever parto at? 14 dias em gestantes inclu?das antes de 35 semanas. PlGF <5? percentil esteve associado a rec?m-nascido pequeno para idade gestacional (PIG) com sensibilidade de 0,75 (0,6-0,9), especificidade 0,65 (0,5-0,7), NPV de 0,87 (0,79-0,94) e AUC ROC 0,698 (0,6-0,79), em gestantes com <35 semanas, a acur?cia diminuiu com o aumento das idades gestacionais. Conclus?es ? O modelo fullPIERS e a concentra??o de PLGF mostraram baixa acur?cia na predi??o de desfechos adversos maternos em mulheres com doen?a hipertensiva gestacional, incluindo pr?-ecl?mpsia. O modelo fullPIERS teve desempenho inferior na nossa amostra quando comparado com o estudo que validou este teste. O PLGF parece ser um biomarcador para uso como ferramenta adicional na predi??o de parto dentro de 14 dias e rec?m-nascidos PIG, especialmente em gestantes antes da 35? semana gestacional. / Introduction - Singling out high-risk patients from the diverse hypertensive disorders of pregnancy, and not only preeclampsia, is a challenge for clinicians. The fullPIERS model is a simple and low-cost evaluation instrument using clinical variables to stratify the adverse outcomes probability of pregnant women with high-risk preeclampsia. Placental growth factor (PlGF) levels are reduced in preeclampsia and are increasingly being used as a biomarker in the assessment of this disease. Objectives - The aim of the study is to evaluate the performance of the fullPIERS model and PlGF to predict adverse outcomes in women with hypertensive disorders of pregnancy. Methods - A prospective cohort study carried out at a teaching hospital in Porto Alegre, Brazil enrolling pregnant women admitted with a systolic blood pressure ? 140 mmHg and/or a diastolic blood pressure ? 90 mmHg from the 20th week of gestation. First 48 hours of admission worst clinical and laboratory data were recorded and the development of adverse maternal and perinatal outcomes scrutinised up to 14 days. Admission maternal plasma PlGF concentrations were measured. Results ? A total of 405 women were enrolled. From the 351 women included in the fullPIERS model analysis, 20 (5%) developed at least one of the combined maternal adverse outcomes. The fullPIERS model had poor outcomes discrimination at 48h [AUC 0.639 (95% CI 0.458-0.819)]. At the seventh admission day, the model?s accuracy was even lower [AUC 0.612 (95% CI 0.440-0.783)]; the model?s discriminative ability remained similar [AUC 0.637 (95% CI 0.491-0.783)] at 14 days. Calibration of the fullPIERS model was poor: slope - 0.35 (95% CI 0.08-0.62), intercept -1.13 (95%CI -2.4-0.14). PlGF analysis included 392 women. PlGF < 5th percentile predicted maternal adverse outcomes within 48h in women with gestation < 35 weeks with sensitivity of 0.80, NPV of 0.98 and AUC ROC of 0.672 (CI 95%0.5-0.9). The threshold of <100 pg/mL, had best accuracy in women after 37 weeks of pregnancy, sensitivity of 0.8, specificity of 0.6, negative predictive value of 0.99 and PPV of 0.04. PlGF had good performance to predict delivery within 14 days in women presenting before 35 weeks. PlGF <5th percentile predicted delivery of a SGA infant with sensitivity of 0.75, specificity 0.65, PPV of 0.45, NPV of 0.87, and AUC ROC 0.698, in women with gestation < 35 weeks, accuracy decreased at later gestational ages. Conclusion - In conclusion, in our sample the fullPIERS model and PlGF were limited predictors of maternal adverse outcomes in pregnant women with hypertensive disorders of pregnancy, including preeclampsia. The performance of the fullPIERS model in our sample was inferior to that of the original cohort. PlGF as a biomarker appears to be an additional tool to predict delivery within 14 days and SGA newborn in women before 35 weeks gestation.

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