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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

Daily-collected Sleep Diaries Compared to Weekly-collected Sleep Diaries Via Actigraph Concordance

Francetich, Jade M. 05 1900 (has links)
Both sleep diaries and actigraphy have been recommended to assess sleep in research and clinical settings. Investigators have traditionally used sleep diaries that were completed daily by participants and collected weekly but have recently begun using sleep diaries that are both completed and collected daily. No research had previously assessed the agreement between daily-collected sleep diaries and actigraph data over one week. Undergraduate students were randomly assigned to use daily- or weekly-collected sleep diaries. Sleep parameters obtained from these measures were compared to each other via concordance with concurrent actigraph data. It was hypothesized that daily-collected sleep diaries would have greater concordance with actigraphy than weekly-collected sleep diaries. Results indicated that daily-collected sleep diaries provided more reliable data than weekly-collected sleep diaries, but the differences were not statistically significant. Additional aims examined self-reported sleep diary adherence, the participation day number, and day of the week. There were trends for the Daily group to have better adherence. Overall concordance did not change based on the day number or day of the week. Both sleep diaries yield comparable sleep parameter data, suggesting that clinicians and researchers can use either method to estimate sleep parameters.
2

Aspectos do sono em pacientes com cirrose hepática / Sleep aspects in patients with hepatic cirrhosis

Teodoro, Vinicius Vasconcelos [UNIFESP] 27 May 2009 (has links) (PDF)
Made available in DSpace on 2015-07-22T20:49:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-05-27 / Associação Fundo de Incentivo à Psicofarmacologia (AFIP) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Atualmente no mundo, a cirrose hepática é um problema clínico grave, além de ser considerada uma doença muito comum e com grande impacto na saúde pública. As alterações na cito-arquitetura do fígado nesta patologia provoca perda das funções deste órgão, com várias conseqüências ao paciente. As manifestações clínicas da cirrose hepática são diversas e produzem alterações nas funções biológicas, como sono e vigília. Objetivo do estudo: Caracterizar os parâmetros do sono e sonolência diurna através do uso de questionários e de estudo polissonográfico completo em um grupo de cirróticos e compará-los com grupo de voluntários sem hepatopatia e verificar a possível influência da gravidade da doença hepática sobre parâmetros do sono e sonolência diurna. Casuistica e metodologia: O estudo foi caso-controle; os pacientes foram provenientes do ambulatório de cirrose hepática, do departamento de gastroenterologia do Hospital São Paulo, com diagnóstico confirmado de cirrose hepática. Foi selecionados 42 pacientes com cirrose e 42 controles sem hepatopatia. Todos os voluntarios fizeram polissonografia de noite inteira e também responderam questionários sobre o sono e a Escala de Sonolência de Epworth. A gravidade da doença foi verificada pelo modelo prognóstico de Child-Turcotte-Pugh e MELD. Resultados: Não houve diferença na idade, gênero e IMC entre os pacientes e os voluntários. No entanto, os achados polissonográficos mostraram menor eficiência do sono, maior latência do sono, e também um aumento da latência do REM, e porcentagem de REM reduzida, no grupo cirrótico, quando comparado aos controles. Os pacientes também mostraram maior frequência de movimentos periódicos de membros que os controles. Em relação à gravidade da doença hepática, os pacientes foram classificados em Child A (16 indivíduos) Child B (17 indivíduos) e Child C (9 indivíduos). Houve diferença entre os grupos Child em relação à porcentagem do sono REM, significativamente menor no grupo C quando comparado ao grupo B e A e aumento da latência do REM, significativamente maior no grupo C. Conclusão: Os resultados sugerem que os pacientes com cirrose tinham um sono de pior qualidade quando comparados ao grupo-controle e maior ocorrência de movimentos periódicos de membros inferiores durante o sono. Foi observada também uma influência da gravidade da cirrose hepática nos resultados polissonográficos. / Hepatic cirrhosis is a serious public health issue in the world, since it was a very common disease, with a great impact. The occurrence of liver structural alterations has various consequences, including neurological ones. The patient with cirrhosis presents several clinical manifestations that involve alterations on his biological functions such as sleep and waking. Study objective: The aim of this study was to characterize sleep parameters and sleepiness in cirrhotic patients and to assess a possible influence the severity level of this disease on these parameters. Design: It was a case-control study. Setting: The hepatology outpatient service of Hospital São Paulo (UNIFESP/EPM) and Sleep Institute and diagnostic center of Associação Fundo de Incentivo à Psicofarmacologia (AFIP). 42 cirrhotic patients and 42 volunteers without hepatic disease were submitted to an all night polysomnographic evaluation. They also answered sleep questionnaires as well as the Epworth Sleepiness Scale. The severity of the illness was assessed by the prognostic model of Child-Turcotte-Pugh and MELD scores. Results: There was no difference in age, gender and BMI between cirrhotic patients and volunteers. However, the polysomnographic findings showed lower sleep efficiency, as well as an increase in the REM sleep latency and a lower REM sleep percentage in the cirrhotic group when compared with the control group. The cirrhotic patients also showed higher frequency of Periodic Limb Movements in Sleep than the controls. There was a significant difference among Child-Turcotte-Pugh groups in regard to REM sleep percentage, significantly lower in group C when compared to group B and group A. No significant differences were detected between the scores of both groups in the Epworth Scale. Conclusion: The findings suggest that cirrhotic patients had a worse quality of sleep when compared with the control group and higher occurrence of PLMS. There was also an influence of the severity of liver failure in some sleep parameters. / FAPESP/CEPID: 95/14303-3 / TEDE / BV UNIFESP: Teses e dissertações

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