Gregory Saraiva Medeiros

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The nature and frequency of cystic fibrosis mutations in Brazil is not uniform due to the highly varied ethnic composition of the population. The average frequency of the F508del mutation has been reported to be 48.6%. Other common mutations in Brazil are G542X, R1162X, and N1303K. The aim of this study was to analyze the frequency of 8 mutations (F508del,(More)
OBJECT Trauma is the leading cause of mortality and morbidity in children, young people, and working-age adults. Because of the high incidence of intentional and unintentional injuries in young people, it is necessary to implement injury-prevention programs and measure the efficacy of these initiatives. The authors evaluated the effectiveness of an(More)
The absence of or limited adherence to treatment is the main cause for the failure of Highly Active Antiretroviral Therapy (HAART). In Brazil, adherence to antiretroviral therapy has been lower than the recommended levels. Although HAART may produce adverse reactions, failure to comply with it may aggravate patients' health status and impair Quality of Life(More)
The aim of this study was to compare the retention in medical care and antiretroviral (ARV) treatment of individuals living with HIV and AIDS to antiretroviral therapy in southern Brazil according to their "race" or skin color. This study is part of a 225-day prospective trial, comprising 7 interviews, in which an intervention designed to improve adherence(More)
Pseudomonas aeruginosa is one of the major pathogens responsible for a wide variety of severe nosocomial and community acquired infections. Numerous vaccine candidates and several monoclonal antibodies have been developed over the past 40 years but only a few have reached clinical trials and none of these vaccine candidates has obtained market(More)
UNLABELLED OBJECT.: A previous study published by the authors showed that a single intervention could not change the baseline attitudes toward neurotrauma prevention. The present study was designed to evaluate the effectiveness of multiple interventions in modifying knowledge and attitudes for the prevention of neurotrauma in Brazilian preteens and(More)
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