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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

Effect of aerosolization method on DNA /

Lentz, Yvonne Kirsten. January 2005 (has links)
Thesis (Ph.D. in Pharmaceutical Sciences) -- University of Colorado, 2005. / Typescript. Includes bibliographical references (leaves 126-143). Free to UCDHSC affiliates. Online version available via ProQuest Digital Dissertations;
2

Particles in small airways : mechanisms for deposition and clearance & pharmacokinetic assessment of delivered dose to the lung /

Lindström, Maria, January 2004 (has links)
Diss. (sammanfattning) Stockholm : Karol. inst., 2004. / Härtill 4 uppsatser.
3

Linear and branched chitosan oligomers as delivery systems for pDNA and siRNA in vitro and in vivo /

Issa, Mohamed Mahmoud, January 2006 (has links)
Diss. (sammanfattning) Uppsala : Uppsala universitet, 2006. / Härtill 4 uppsatser.
4

Estudo da eficácia de um programa de educação na higiene e desinfecção dos nebulizadores de uso domiciliar de pacientes com fibrose cística / Study of the effectiveness of an education program on hygiene and disinfection of home nebulizers of patients with cystic fibrosis

Della-Zuana, Adriana 25 February 2014 (has links)
Pacientes com fibrose cística (FC) apresentam infecções respiratórias recorrentes e crônicas por patógenos peculiares e realizam inalações diariamente como parte de seu tratamento. É reconhecido que patógenos específicos são comumente isolados nestes nebulizadores e existe uma preocupação de que estes equipamentos possam contribuir como fonte de infecção bacteriana para as vias aéreas inferiores. Objetivo: Descrever os patógenos encontrados nos nebulizadores de uso domiciliar e nas amostras de trato respiratório de pacientes com FC e verificar a eficácia de uma técnica padronizada de higiene e desinfecção destes nebulizadores na redução da contaminação dos mesmos. Método: Quarenta pacientes com FC (22M:18F) com mediana de idade de 11,2 ± 3,74 anos e que utilizavam o nebulizador PRONEB/sistema PARI foram incluídos no estudo. Amostras dos nebulizadores foram coletadas do bocal e do copo reservatório utilizando-se um swab estéril umedecido em solução salina estéril. As amostras de trato respiratório dos pacientes foram colhidas por expectoração em coletor estéril ou com swab de orofaringe após estímulo de tosse. As culturas foram realizadas em meios seletivos e a identificação bacteriana feita através de provas bioquímicas clássicas. Instruções verbais e escritas de higiene e desinfecção dos nebulizadores foram ministradas. Resultados: A contaminação de alguma parte dos nebulizadores foi observada em 23/40 casos (57,5%). A contaminação do bocal e do copo foi similar, observada em 16 e 19 casos, respectivamente. Os patógenos mais comumente identificados foram Bacilos Gram negativos não fermentadores (sem identificação) (14), Staphylococcus coagulase negativo (13), Leveduras (12), Enterobacter sp. (5), Pseudomonas putida (7) e complexo Burkholderia cepacia (3). Nas amostras de trato respiratório houve um predomínio de Staphylococcus aureus (29), seguido de Pseudomonas aeruginosa (20) e complexo Burkholderia cepacia (3). Em 4 casos observou-se a identificação de um mesmo patógeno em amostras do nebulizador e do trato respiratório. Uma redução significativa da contaminação (43,5%) foi encontrada após instrução de técnica padronizada de higiene e desinfecção dos nebulizadores, num prazo médio de reavaliação de dois meses. Conclusões: A prevalência de contaminação dos nebulizadores é alta, o que indica a necessidade de melhoria nas práticas de higiene e desinfecção dos nebulizadores de pacientes com FC. Uma única intervenção educacional pode ter impacto significativo / Patients with cystic fibrosis (CF) have chronic and recurrent respiratory infections by peculiar pathogens and perform inhalations daily as part of their treatment. It is recognized that specific pathogens are commonly isolated in these nebulizers and there is concern that these devices can contribute as a source of bacterial infection to the lower airways. Objective: To describe the pathogens found in home use of nebulizers and in respiratory samples of CF patients and evaluate the effectiveness of a standardized hygiene and disinfection in reducing the contamination. Methods: Forty patients with CF (22M: 18F) with a median age of 11.2 ± 3.74 years and who used the nebulizer Proneb / PARI system were included in the study. Samples were collected from the nebulizer mouthpiece and cup container using a sterile swab moistened with sterile saline. The respiratory samples of patients were collected by expectoration into a sterile swab or oropharyngeal after stimulation of cough. The cultures were performed on selective media and bacterial identification made by classical biochemical tests. Written and oral instructions regarding cleaning and disinfection of nebulizers were provided. Results: The contamination of any part of the nebulizer was observed in 23/40 cases (57.5%). Contamination of the mouthpiece and the cup container was similarly observed on 16 and 19 cases, respectively. The pathogens most commonly identified were Gram negative fermenters (unmarked) (14), coagulase-negative Staphylococcus (13), yeast (12), Enterobacter sp. (5) Pseudomonas putida (7) and Burkholderia cepacia (3). In respiratory samples there was a predominance of Staphylococcus aureus (29), followed by Pseudomonas aeruginosa (20) and Burkholderia cepacia (3). In four cases we observed the same identifying a pathogen in samples of the nebulizer and the respiratory tract. A significant reduction of contamination (43,5%) was found after instruction of standard procedures of hygiene and disinfection of nebulizers, within an average of two months revaluation. Conclusions: The prevalence of contamination of nebulizers is high, which indicates the need for improvement in hygiene practices and disinfection of nebulizers for patients with CF. A single educational intervention may have significant impact
5

Estudo da eficácia de um programa de educação na higiene e desinfecção dos nebulizadores de uso domiciliar de pacientes com fibrose cística / Study of the effectiveness of an education program on hygiene and disinfection of home nebulizers of patients with cystic fibrosis

Adriana Della-Zuana 25 February 2014 (has links)
Pacientes com fibrose cística (FC) apresentam infecções respiratórias recorrentes e crônicas por patógenos peculiares e realizam inalações diariamente como parte de seu tratamento. É reconhecido que patógenos específicos são comumente isolados nestes nebulizadores e existe uma preocupação de que estes equipamentos possam contribuir como fonte de infecção bacteriana para as vias aéreas inferiores. Objetivo: Descrever os patógenos encontrados nos nebulizadores de uso domiciliar e nas amostras de trato respiratório de pacientes com FC e verificar a eficácia de uma técnica padronizada de higiene e desinfecção destes nebulizadores na redução da contaminação dos mesmos. Método: Quarenta pacientes com FC (22M:18F) com mediana de idade de 11,2 ± 3,74 anos e que utilizavam o nebulizador PRONEB/sistema PARI foram incluídos no estudo. Amostras dos nebulizadores foram coletadas do bocal e do copo reservatório utilizando-se um swab estéril umedecido em solução salina estéril. As amostras de trato respiratório dos pacientes foram colhidas por expectoração em coletor estéril ou com swab de orofaringe após estímulo de tosse. As culturas foram realizadas em meios seletivos e a identificação bacteriana feita através de provas bioquímicas clássicas. Instruções verbais e escritas de higiene e desinfecção dos nebulizadores foram ministradas. Resultados: A contaminação de alguma parte dos nebulizadores foi observada em 23/40 casos (57,5%). A contaminação do bocal e do copo foi similar, observada em 16 e 19 casos, respectivamente. Os patógenos mais comumente identificados foram Bacilos Gram negativos não fermentadores (sem identificação) (14), Staphylococcus coagulase negativo (13), Leveduras (12), Enterobacter sp. (5), Pseudomonas putida (7) e complexo Burkholderia cepacia (3). Nas amostras de trato respiratório houve um predomínio de Staphylococcus aureus (29), seguido de Pseudomonas aeruginosa (20) e complexo Burkholderia cepacia (3). Em 4 casos observou-se a identificação de um mesmo patógeno em amostras do nebulizador e do trato respiratório. Uma redução significativa da contaminação (43,5%) foi encontrada após instrução de técnica padronizada de higiene e desinfecção dos nebulizadores, num prazo médio de reavaliação de dois meses. Conclusões: A prevalência de contaminação dos nebulizadores é alta, o que indica a necessidade de melhoria nas práticas de higiene e desinfecção dos nebulizadores de pacientes com FC. Uma única intervenção educacional pode ter impacto significativo / Patients with cystic fibrosis (CF) have chronic and recurrent respiratory infections by peculiar pathogens and perform inhalations daily as part of their treatment. It is recognized that specific pathogens are commonly isolated in these nebulizers and there is concern that these devices can contribute as a source of bacterial infection to the lower airways. Objective: To describe the pathogens found in home use of nebulizers and in respiratory samples of CF patients and evaluate the effectiveness of a standardized hygiene and disinfection in reducing the contamination. Methods: Forty patients with CF (22M: 18F) with a median age of 11.2 ± 3.74 years and who used the nebulizer Proneb / PARI system were included in the study. Samples were collected from the nebulizer mouthpiece and cup container using a sterile swab moistened with sterile saline. The respiratory samples of patients were collected by expectoration into a sterile swab or oropharyngeal after stimulation of cough. The cultures were performed on selective media and bacterial identification made by classical biochemical tests. Written and oral instructions regarding cleaning and disinfection of nebulizers were provided. Results: The contamination of any part of the nebulizer was observed in 23/40 cases (57.5%). Contamination of the mouthpiece and the cup container was similarly observed on 16 and 19 cases, respectively. The pathogens most commonly identified were Gram negative fermenters (unmarked) (14), coagulase-negative Staphylococcus (13), yeast (12), Enterobacter sp. (5) Pseudomonas putida (7) and Burkholderia cepacia (3). In respiratory samples there was a predominance of Staphylococcus aureus (29), followed by Pseudomonas aeruginosa (20) and Burkholderia cepacia (3). In four cases we observed the same identifying a pathogen in samples of the nebulizer and the respiratory tract. A significant reduction of contamination (43,5%) was found after instruction of standard procedures of hygiene and disinfection of nebulizers, within an average of two months revaluation. Conclusions: The prevalence of contamination of nebulizers is high, which indicates the need for improvement in hygiene practices and disinfection of nebulizers for patients with CF. A single educational intervention may have significant impact
6

An aerobiological model of aerosol survival of different strains of Pseudomonas aeruginosa isolated from people with cystic fibrosis

Clifton, I. J., Fletcher, L. A., Beggs, C. B., Denton, M., Conway, S. P., Peckham, D. G. January 2010 (has links)
Pseudomonas aeruginosa is a common and important pathogen in people with cystic fibrosis (CF). Recently epidemic strains of P. aeruginosa associated with increased morbidity, have been identified. The method of transmission is not clear, but there is evidence of a potential airborne route. The aim of this study was to determine whether different strains of P. aeruginosa isolated from people with CF were able to survive within artificially generated aerosols in an aerobiological chamber. Viable P. aeruginosa could still be detected up to 45min after halting generation of the aerosols. All of the strains of P. aeruginosa expressing a non-mucoid phenotype isolated from people with CF had a reduced ability to survive within aerosols compared to an environmental strain. Expression of a mucoid phenotype by the strains of P. aeruginosa isolated from people with CF promoted survival in the aerosol model compared to strains expressing a non-mucoid phenotype.
7

Models for serially correlated, over or underdispersed, unequally spaced longitudinal count data with applications to asthma inhaler use /

Bruce, Stephanie L. January 2007 (has links)
Thesis (Ph.D. in Analytic Health Sciences, Dept. of Preventive Medicine and Biometrics) -- University of Colorado Denver, 2007. / Typescript. Includes bibliographical references (leaves 57-59). Free to UCD Anschutz Medical Campus. Online version available via ProQuest Digital Dissertations;

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