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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2008.tde-24062008-153750
Document
Author
Full name
Juçara Zulli Mohovic
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Kalil Filho, Jorge Elias (President)
Barros, Myrthes Anna Maragna Toledo
França, Alfeu Tavares
Giavina-Bianchi Junior, Pedro Francisco
Zollner, Ricardo de Lima
Title in Portuguese
Análogos de Asp f 1 (alfa-sarcina, mitogilina e restrictocina) no diagnóstico e estadiamento da aspergilose broncopulmonar alérgica
Keywords in Portuguese
ABPA
Alérgenos
Análogos
Aspergilose broncopulmonar alérgica
Biópsias
Imunocomplexos
Testes cutâneos
Vasculite
Abstract in Portuguese
A Aspergilose Broncopulmonar alérgica (ABPA) é uma doença complexa,desencadeada por uma reação de hipersensibilidade ao Aspergillus fumigatus, que apresenta vários estágios, sendo que no estágio mais grave, os pacientes apresentam bronquiectasias. O diagnóstico da doença é difícil e o maior problema é a falta de antígenos padronizados necessários para a determinação de anticorpos específicos. O objetivo do presente estudo é avaliar se os testes cutâneos com os análogos de Asp f 1 podem auxiliar no diagnóstico e no estadiamento da ABPA. Três grupos de pacientes classificados por testes sorológicos foram obtidos a saber 20 ABPA (16BQ+; 4BQ-), 25 possíveis -ABPA (14BQ+;11BQ-) e 24 asmáticos sem ABPA (11BQ+;13BQ-). Fizeram parte do estudo 10 pessoas sem asma . Todos foram submetidos a testes intradérmicos com três antígenos a-sarcina, mitogilina e estrictocina.Houve uma intensa reação a todos os antígenos e as reações produzidas foram semelhantes para os três antígenos. As reações de leitura tardia positivas à mitogilina foram biopsiadas. As biopsias de 2 (12,5%) dos pacientes BQ+ do grupo ABPA e 5 do grupo ABPA possível com BQ+ (35,6%) mostraram vasculite por depósito de imunocomplexos. 11 pacientes do terceiro grupo não apresentaram vasculite. O quarto grupo não apresentou reação tardia. Todos os pacientes com reação positiva apresentaram BQ+. alfa-sarcina, a mitogilina e a restrictocina diferenciaram pacientes com ABPA por testes intradérmicos e podem ser aplicados no diagnóstico da doença. A maior incidência de bronquiectasias foi encontrada no primeiro grupo (80%) e no segundo (56%). No terceiro grupo nenhum caso foi encontrado em 23 pacientes com asma e teste ID positivo ao aspergillus fumigatus todos os pacientes com vasculite tinham bronquiectasia. Há possibilidade de que as lesões produzidas nos pulmões sejam produzidas por vasculite.
Title in English
Analogs of Asp f 1 (mitogillin, alfa-sarcin and restrictocin) on the diagnosis and stage assessment of Allergic Bronchopulmonary Aspergillosis
Keywords in English
ABPA
Allergens
Allergic bronchopulmonary aspergillosis
Analogs
Biopsies
Immune complexes
Skin tests
Vasculitis
Abstract in English
Allergic Bronchopulmonary Aspergillosis (ABPA) is a complex disease, triggered by a hypersensitivity reaction to Aspergillus fumigatus. The disease diagnosis is difficult, and a major problem is the lack of standardized allergens for the determination of specific antibodies. The aim of the present study is to evaluate if intradermal (ID) tests with analogs of Asp f 1 can aid in the diagnosis and stage assessment of abpa. Three groups of patients classified by serological tests were obtained. 20 ABPA (16BQ+; 4BQ-), 25 possible-ABPA (14BQ+; 11BQ-), 24 asthmatic-ABPAfree (11BQ+; 13BQ-) and 10 asthma-free people were submitted to id tests with three antigens: mitogillin, a-sarcin and restrictocin. There was intense reaction to all three antigens and the response was similar. The positive reactions to mitogillin were biopsied. The skin biopsies of two (12,5%) bq+ patients of the first group and 5 BQ+ (35,6%) patients of the second one showed vasculitis by immune complexes (IC) deposition. 11 patients of the third group had negative biopsies. The fourth group didn't have late-reaction. All patients with positive reaction were BQ+. By ID test, alfa-sarcin, mitogillin and restrictocin could differentiate patients with abpa and can be applicable in disease diagnosis. The higher incidence of bronchiectasis was found in the first (80%) and second (56%) groups. In the third group, IC wasn't found in 23 asthma patients and id test was positive to A. fumigatus. All patients with vasculitis by IC had bronchiectasis. Therefore, the results indicate that this kind of pulmonary lesion is caused by vasculitis.
 
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JucaraZulliMohovic.pdf (665.93 Kbytes)
Publishing Date
2008-06-27
 
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