Anahí Yáñez

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OBJECTIVE To study the diagnostic and treatment modalities used in drug allergy/hypersensitivity among members of the World Allergy Organization (WAO). METHODS A questionnaire comprising 39 questions was circulated electronically to member societies, associate member societies, and regional and affiliate organizations of WAO between June 29, 2009, and(More)
In the past, asthma was considered mainly as a childhood disease. However, asthma is an important cause of morbidity and mortality in the elderly nowadays. In addition, the burden of asthma is more significant in the elderly than in their younger counterparts, particularly with regard to mortality, hospitalization, medical costs or health-related quality of(More)
OBJECTIVE We performed a systematic review of randomized, controlled trials to determine whether intranasal corticosteroids offered an advantage over topical antihistamines in the treatment of allergic rhinitis. DATA SOURCES We searched for studies using MEDLINE, Embase, Cinahi, and Cochrane databases, pharmaceutical companies, and references of included(More)
OBJECTIVE To evaluate the effect of oral leukotriene receptor antagonists as monotherapy or combined with other drugs in the treatment of seasonal allergic rhinitis. DATA SOURCES The MEDLINE, EMBASE, CINAHL (Cumulative Index to Nursing and Allied Health), and Cochrane databases; review articles; and references of included trials. STUDY SELECTION(More)
Consistent with the diversity of Latin America, there is profound variability in asthma burden among and within countries in this region. Regional variation in asthma prevalence is likely multifactorial and due to genetics, perinatal exposures, diet, obesity, tobacco use, indoor and outdoor pollutants, psychosocial stress and microbial or parasitic(More)
Introduction Urticaria and angioedema lasting more than 6 weeks have been designated as chronic urticaria (CU). It encompasses two major subtypes: chronic spontaneous urticaria (CSU) (previously known as chronic idiopathic urticaria) (CIU) and chronic inducible urticaria. CSU has been defined as wheals and/or angioedema that are endogenous and independent(More)
We studied 1,030 patients of both sexes, classified according to atopic and non-atopic, those suffering from bronchial asthma (AB), rhinitis (R) or associated AB and R, with ages between 3 months to 62 years. Total IgE, serum IgA and secretory IgA were determined in all of them in order to establish their values and to make the corresponding comparisons.(More)
Evidence that enables us to identify, assess, and access the small airways in asthma and chronic obstructive pulmonary disease (COPD) has led INTERASMA (Global Asthma Association) and WAO to take a position on the role of the small airways in these diseases. Starting from an extensive literature review, both organizations developed, discussed, and approved(More)
Allergic rhinitis and asthma represent global problems of public health affecting all age groups; asthma and allergic rhinitis frequently coexist in the same patients. In Latin American prevalence of allergic rhinitis, although variable, is very high. Allergic rhinitis and its Impact on Asthma (ARIA) started during a workshop of the World Health(More)