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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.
31

Impacto da raça e ancestralidade na apresentação e evolução da doença de Crohn no Brasil / The impact of race and ancestry in the presentation and progression of Crohn\'s disease in Brazil

Poli, Debora Dourado 14 May 2007 (has links)
INTRODUÇÃO: A doença de Crohn (DC) é uma doença inflamatória intestinal (DII) crônica de etiologia desconhecida, apesar de fatores genéticos e ambientais estarem envolvidos. Os fatores étnicos relacionados com a DC são muito controversos. Parece haver uma maior incidência em brancos, porém alguns estudos demonstram aumento da prevalência entre negros nos últimos 30 anos e sugerem diferenças na apresentação clínica. O Brasil apresenta uma população miscigenada, com importante imigração européia e africana. Temos dois objetivos principais: 1) caracterizar os pacientes com DC em um centro de referência brasileiro e 2) correlacionar as características fenotípicas dos nossos pacientes com a raça/cor e ancestralidade. MÉTODOS: Foram incluídos 273 pacientes acompanhados no Ambulatório de Intestino do HC-FMUSP com o diagnóstico de DC previamente estabelecido. Dados demográficos, o curso e as características clínicas da doença, manifestações extra-intestinais, uso de medicamentos e escores de gravidade foram registrados a partir dos prontuários e de entrevistas com os pacientes. RESULTADOS: A maioria dos pacientes era do sexo feminino (164 pacientes, 60%). A média da idade dos pacientes foi 40,3 anos + 13,9, sendo que a média da idade de início dos sintomas foi 28,4 anos + 12,7. A raça/cor predominante foi branca (68,8%), seguida por parda (21,5%), preta (7,8%), amarela (1,5%) e indígena (0,4%). História familiar de DII estava presente em 36 pacientes (13,2%). Cento e trinta e três pacientes referiram história de tabagismo (48,7%). Doença fistulizante foi registrada em 45,2% dos pacientes e 67% dos pacientes apresentaram algum tipo de manifestação extra-intestinal. A localização predominante da doença conforme a classificação de Viena foi íleo-colônica em 39,5% dos pacientes. A distribuição de sexo por raça/cor foi semelhante em todas as raças. Não foi encontrada diferença estatisticamente significativa entre as diferentes raças. Analisando apenas brancos e negros (pretos + pardos), verificamos que foi semelhante a distribuição de sexo (60% de sexo feminino entre os brancos e 59% entre os negros; p=0,98), a presença de história familiar de doença inflamatória intestinal (16,2% entre os brancos e 7,6% entre os negros, p=0,08), a presença de doença fistulizante (43,5% dos brancos versus 48,7% dos negros; p=0,49), a presença de manifestações extra-intestinais (67% dos negros versus 66,9% dos brancos; p=1,0) e uso de corticosteróides (65,7% dos negros versus 73,9% dos brancos; p=0,21). Os brancos apresentaram doença restrita ao íleo terminal em 42,4% versus 23,4% nos negros (p=0,009). Não houve diferença na proporção de indivíduos necessitando cirurgia: 46,2% dos negros foram submetidos a cirurgia comparado com 53,2% dos brancos (p=0,34). Ao analisarmos a ancestralidade e não raça/cor declarada, também não encontramos nenhuma associação com idade do início dos sintomas, doença fistulizante, manifestações extra-intestinais, uso de imunossupressores, uso de corticosteróides ou cirurgia prévia. CONCLUSÕES: No Brasil, não encontramos diferenças na apresentação clínica ou gravidade da DC de acordo com raça/cor ou com a ancestralidade. / INTRODUCTION: Crohns disease (CD) is increasingly recognized in diverse ethnic populations. Ethnic factors related do CD are highly controversial. Apparently, there seems to be a higher incidence among white subjects. However, studies conducted in USA have shown an increase in prevalence among black subjects in the last 30 years. Overall, there is lack of information concerning the clinical phenotype (disease presentation and progression) so as to race, and literature remains controversial. Brazil has a multiracial society, with important European immigration and also Africans. AIM: to analyze the influence of race and/or ancestry on clinical presentation and progression in a multiracial society living in the same environment. METHODS: Two hundred and seventy three patients with CD seen in gastroenterology clinic of Hospital das Clínicas between June 2005 and July 2006 were analyzed to determine whether there were significant differences among racial/ancestry groups. Race was self-declared according to the classification used by IBGE (Brazilian Demographical Census classifies people according to race or skin color, which is declared by the person himself/herself according to the fallowing options: white, black, brown/mixed, yellow or indian). Ancestry (also declared by the patient) was described as European, African, mixture of African and European, Indian, Asian or another/unknown. The definition of disease location was according to the Vienna classification. The severity of disease was measured by the use of steroids, the use of immunomodulators (azathioprine or methotrexate) and the need of surgeries related to the disease. The evaluation of extra-intestinal manifestations consisted of 3 main categories: ophthalmological, dermatological and articular. Statistical analyses were performed by SPSS statistic software. RESULTS: Whites comprised 68.8%, blacks 7.8%, brown/mixed 21.5% and yellow 1.5%. One patient reported itself as American Indian. Comparing the whites and the African Americans (blacks and brown/mixed), we found no significant difference with respect to family history of inflammatory bowel disease (16.2% vs 7.6%; p=0.08), mean age at the onset of symptoms (27+12 vs 30+12; p=0.07), steroids use (73.9% vs 65.7%; p=0.21), immunomodulators use (74.3% vs 74%; p=0.96), surgery need (53.2% vs 46.2; p=0.34), perforating disease (43.5% vs 48.7%; p=0.49), ocular manifestations (8.8% vs 9.0%; p=0.96), skin manifestations (15.5 vs 15.8%; p=0.94), articular (64.5% vs 63.3% p=0.89). Smoking habits, a possible confounding factor, was similar in the two groups. The whites have more frequent disease location at the ileum (42.4% vs 23.4%; p= 0.009). Analyzing the ancestry, there were 36.8% European, 3.8% mixture of African and European, 9.2% African, 7.9% Indian, 1.3 Asian and 41% Brazilian/other/unknown. If we analyze the European ancestry compared to African, there were no significant difference. CONCLUSIONS: There were no significant differences among the races (as defined by skin color) in most of the studied variables. There were difference only in respect to disease location, as described previously by others. It seems that in a multiracial society as Brazil, race, in respect of skin color or ancestry, may have some influence, but it is not an important factor defining presentation or progression of CD.
32

Operative Therapie von Analfisteln - Prospektive Evaluation prognoserelevanter Faktoren für einen rezidivierenden Verlauf / Fistula in ano - prospective evaluation of predicting factors for recurrence

Klaiber-Hakimi, Maika January 2011 (has links) (PDF)
Die Arbeit beschäftigt sich mit der operativen Therapie von Analfisteln. Es wurden von 2005 bis 2007 in einer prospektiven Beobachtungsstudie 157 Patienten mit Analfisteln eingeschlossen. Untersucht wurden Heilungsrate, Rezidivrate und Inkontinenzrate in Bezug auf verschiedene Operationsverfahren. Weiterhin erfolgte eine univariate Analyse möglicher Prognosefaktoren für einen rezidivierenden Verlauf. Die Anzahl an Voroperationen und die Op Methode erwiesen sich als statistisch signifikant. / This dissertation is dealing with the evaluation of predicting factor for recurrence after surgical treatment of fistula in ano. From 2005 to 2007 157 consecutive patients were included. The overall healing rate, the rate of recurrence and incontinence were analyzed. The number of previous surgical attemps and the type of surgical treatment were detected as statistically significant predictors.
33

Les lésions jéjunales en vidéocapsule prévalence, signification et facteur prédictif d'évolution sévère dans la maladie de Crohn /

Trang, Caroline Bourreille, Arnaud. January 2008 (has links)
Reproduction de : Thèse d'exercice : Médecine. Hépato-gastroentérologie : Nantes : 2008. / Bibliogr.
34

Incidence et prévalence des maladies inflammatoires de l'intestin dans la province de Québec

Rioux, Louis-Charles January 2007 (has links)
Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal
35

IL-12 and T-lymphocyte dependent mucosal immune responses

Camoglio, Luisa, January 2000 (has links)
Proefschrift Universiteit van Amsterdam. / Met lit. opg. - Met samenvatting in het Nederlands.
36

Interleukin 10 gene therapy for Crohn's disease

Montfrans, Catherine van, January 1900 (has links)
Proefschrift Universiteit van Amsterdam. / Met lit. opg. - Met samenvatting in het Nederlands.
37

Surgery and recurrence in Crohn's disease /

Bernell, Olle, January 2002 (has links)
Diss. (sammanfattning) Stockholm : Karolinska institutet, 2002. / Härtill 4 uppsatser.
38

Entwicklung der Knochendichte im zeitlichen Verlauf bei Patienten mit chronisch-entzündlichen Darmerkrankungen und Untersuchung beeinflussender Faktoren

Boronka, Marc, January 2008 (has links)
Ulm, Univ., Diss., 2008.
39

Proliferationsmuster in Tumoren und entzündlichen Erkrankungen des menschlichen Colon

Stahl, Claudia, January 1983 (has links)
Thesis (doctoral)--München, 1983.
40

Studies on the molecular interactions of collagen type XVI : Part I: The role of collagen XVI in pathological disorders : Part II: Extablishment of a retroviral mediated gene silencing model

Ratzinger, Sabine January 2009 (has links)
Regensburg, Univ., Diss., 2009.

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