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Publications (2)5.88 Total impact

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    ABSTRACT: The study aimed to determine prevalence and severity of asthma, rhinitis and eczema in Maputo, Mozambique. The International Study of Asthma and Allergies (ISAAC) protocol was applied in 27 schools in urban, suburban and semi-rural areas. A total of 2630 completed questionnaires were obtained from students aged 13-14 years, and 2383 from schoolchildren aged 6-7 years. The prevalence of current asthma was 13.3% in the two groups, the prevalence of rhinoconjuctivitis and eczema was 23% and 10% in teenagers and 8.8% and 8.5% respectively in children 6-7 years old. Overall, 35% of the adolescents and 23.8% of children were found to have at least one atopic condition or asthma in the last year. In symptomatic adolescents, the conditions were: rhinoconjuctivitis (41.3%), asthma (20%) and eczema (12.4%). In symptomatic children, asthma was the principal condition (36.2%), followed by eczema (20.3%) and rhinoconjunctivitis (19.1%). In adolescents, asthma was more frequently associated with rhinoconjuctivitis (28%). About 4% of all surveyed children had three atopic conditions associated. In adolescents, past year rhinitis was more frequent and severe in the urban area. Hay fever was commoner in the semi-urban area. Eczema was significantly more recurrent in suburban and semi-rural area. Exercise-induced wheeze, nocturnal cough and ever asthma were more reported in children of suburban area. Asthma and allergic diseases are important public health problems in Maputo and improvement in prevention and management plans are required.
    Allergy 04/2007; 62(3):265-71. · 5.88 Impact Factor
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    ABSTRACT: The International Study of Asthma and Allergies in Childhood (ISAAC) video questionnaire was developed to overcome the language and cultural differences in the assessment of asthma-like symptoms. 27 schools were included in the Maputo Asthma and Allergies in childhood Study (MAPAAS) using ISAAC methods, and a video questionnaire (VQ) was administered to 1614 adolescents 13-14 years old of 20 schools located in urban, suburban and semi-rural areas of Maputo (Mozambique). Simultaneously, they also replied to the ISAAC written questionnaire (WQ). According to the video questionnaire, the prevalence of current asthma was 11.9% (compared with 13.3% using the written questionnaire). Wheezing after exercise in the last year was reported by about 21%. Females reported more frequent wheezing after exercise than males (p < .001). The prevalence of nocturnal cough in the last year was 24.7%, and was more frequent in the suburban area (p < .001). "Severe attacks of asthma" was reported by 11.9% of the individuals. Teenagers instructed in the suburban schools reported more severe asthma-like symptoms than others (p < .05). There was a poor correlation between the WQ and the AVQ3.0 (kappa coefficients varied from 0.09 to 0.24). The lowest agreement was observed for the question regarding severe attacks of asthma. Agreement was better in terms of specificity than in terms of sensitivity. In spite of the poor agreement between the written and the video questionnaires, the prevalence of asthma symptoms estimated using the video questionnaire confirms that asthma is an important public health problem in Maputo.
    Monaldi archives for chest disease = Archivio Monaldi per le malattie del torace / Fondazione clinica del lavoro, IRCCS [and] Istituto di clinica tisiologica e malattie apparato respiratorio, Università di Napoli, Secondo ateneo 12/2006; 65(4):189-95.