Papers by Sergio de Jesus Romero Tapia
![Research paper thumbnail of [Increase in frequency of asthma in school children from Villahermosa, Tabasca, Mexico]](https://a.academia-assets.com/images/blank-paper.jpg)
Revista alergia Mexico (Tecamachalco, Puebla, Mexico : 1993)
There is evidence that the worldwide prevalence of asthma is increasing, particularly in children... more There is evidence that the worldwide prevalence of asthma is increasing, particularly in children. To compare the cumulative prevalence of medical diagnosis of asthma among Mexican schoolchildren in two surveys 12 years apart. The study populations of the two comparable cross sectional surveys comprise six to twelve years old public and private schoolchildren in Villahermosa, Tabasco, Mexico. Sample sizes in 1986 and 1998 were 6,465 and 6,073 children and response rates were 72 and 85%, respectively. The sampling frame and sampling method were identical in both surveys. The prevalence of medical diagnosis was expressed by sex and age comparing 1986 to 1998. An analysis of contingency tables was used to asses the differences in the prevalence rates. Cumulative prevalence of medical diagnosis of asthma in 1986 and 1998 were 8.74 and 12.63%, respectively, 45% of increase. We found a significant increase in lifetime of asthma (p = 0.001). The observed increases were independent of sex a...
Bol Med Hosp Infant Mex, Nov 1, 1997
World Allergy Organization Journal, 2012
ABSTRACT Background Asthma affects around 300 million people around the world, and is expected to... more ABSTRACT Background Asthma affects around 300 million people around the world, and is expected to increase 100 million more in the next 15 years. Multiple risk factors had been associated with its prevalence, though little is known about the regional variations of these risk factors. Objective Identify the main risk factors associated to the presence of wheezing in the last 12 months in Mexican children aged 6 to 7 years old. Methods Multicentric, cross-sectional survey. The standardized Spanish-version ISAAC questionnaire was applied to tutors of children aged 6 to 7 years old in 8 cities of the Mexican Republic. Sample was randomly selected through public and private schools of each city, and a sample of 3000 children per center was advisable. Risk analysis was made through multivariate logistical regression, central tendency and dispersion measures were obtained with respective 95% confidence intervals. Results Nine centers of 8 cities participated, data of 24,504 questionnaires were analyzed with an answer rate of 90.7%. Grouping the 9 participating centers, a prevalence of 8.4% (95% CI, 8.1-8.8%) for wheezing in the last 12 months was found, with the next distribution: Monterrey 8.6% (95% CI, 7.6-9.6%), Mexicali 9.6% (95% CI, 8.4-10.7%), Ciudad Victoria 8.6% (95% CI, 7.5-9.7%), Villahermosa 10.2% (95% CI, 9.1-11.4%), Northern Distrito Federal 7.3% (95% CI, 6.5-8.2%), Southeast Distrito Federal 9.9% (95% CI, 8.5-11.3%), Toluca 5.9% (95% CI, 5.1-6.7%), Tijuana 8.2% (95% CI, 7.2-9.2%), Veracruz 9.7% (95% CI, 8.4-10.9%). Identified risk factors for the presence of wheezing in the last 12 months were: nasal symptoms accompanied with ocular symptoms (itching and tearing) in the last 12 months, OR 2.31 (95% CI, 2.01-2.66; P ≤ 0.0001). Nasal symptoms (blocked nose, runny nose, and/or itching) in the last 12 months, OR 2.2 (95% CI, 1.66-2.92; P ≤ 0.0001). Hay fever diagnosis by medical staff OR 2.02 (95% CI, 1.72-2.37; P ≤ 0.0001). Atopic dermatitis symptoms (classic morphology and distribution) in the last 12 months, OR 1.65 (95% CI, 1.39-1.96; P ≤ 0.0001). Use of antibiotics in the first 12 months of life, OR 1.68 (95% CI, 1.48-1.90; P ≤ 0.0001). Use of acetaminophen in the last 12 months, OR 1.49 (95% CI, 1.35-1.65; P ≤ 0.0001). Conclusions The presence of allergic rhinoconjuntivitis symptoms in the last 12 months doubles the risk for the presence of wheezing in Mexican children.
World Allergy Organization Journal, 2012
ABSTRACT Background Describe AD prevalence and identify associated risk factors in Mexican childr... more ABSTRACT Background Describe AD prevalence and identify associated risk factors in Mexican children. Methods Multi-centric, cross-sectional ambiental survey. We applied the standardized Spanish-version ISAAC questionnaire to children's tutors aged 6 to 7 years in 8 Mexican cities. Sampling units randomly selected from local schools with advisable sample size of 3000 questionnaires per centre. Questions to evaluate actual AD: Has your child had itchy rash at any time in the past 12-months? Has this itchy rash at any time affected any of the following places: the folds of the elbows, behind the knees, in front of the ankles, under the buttocks or around the neck, ears or eyes? A risk analysis was made through multivariate logistical regression, central tendency and dispersion measures were obtained with respective 95% confidence intervals. Results A total of 25,809 questionnaires were applied at 274 schools. For current AD symptoms 18,095 questionnaires were analyzed and for severe current AD symptoms 19,173. Current AD symptoms mean global prevalence was 6.1% (95% CI, 5.7-6.4%). Mean prevalence and 95% CI per center: Monterrey 4.2% (3.5-4.9%), Mexicalli 6.3% (5.3-4.9%), Ciudad Victoria 2.3% (1.8-2.9%), Tijuana 4.9%(4.1-5.7%); North DF 8.5% (7.6-9.4%), Southeasat DF 9.4% (8.0-10.7%), Toluca 5.4% (4.6-6.2%); Veracruz 5.3% (4.3-6.2%); Villahermosa 8.6% (7.3-9.8%). Severe current AD symptoms mean global prevalence was 0.7% (95% CI, 0.6-0.9). Mean prevalence and 95% CI per center: Monterrey 0.6% (0.3-0.9%), Mexicalli 0.8% (0.5-1.2%), Ciudad Victoria 0.3% (0.1-0.6%), Tijuana 0.9% (0.5-1.2%); North DF 1.1% (0.7-1.5%), DF Southeast 1% (0.5-1.4%), Toluca 0.3% (0.1-0.5%); Veracruz 0.7% (0.4-1.1%); Villahermosa 1.2% (0.8-1.7%). Identified risk factors for current AD symptoms: presence of allergic rhinitis symptoms OR 1.94 (95% CI, 1.53-2.14; P ≤ 0.005); conjunctivitis symptoms OR 1.81 (95% CI, 1.53-2.14; P ≤ 0.005); accumulated asthma symptoms OR 1.51 (95% CI, 1.3-1.76; P ≤ 0.03). Identified risk factors for severe current AD symptoms: presence of conjunctivitis symptoms OR 2.20 (95% CI, 1.42-3.4; P ≤ 0.005); accumulated asthma symptoms OR 2.16 (95% CI, 1.38-3.39; P ≤ 0.005); use of acetaminophen in the first year of life OR 1.80 (95% CI, 1.21-2.69; P ≤ 0.005). Conclusions Current AD symptoms prevalence was higher at north DF, followed by Toluca and southeast DF; current severe AD symptoms were higher at Villahermosa, followed by north DF and Tijuana. The presence of rhinoconjuntivitis and accumulated asthma symptoms doubles the risk for current AD and current severe symptoms in Mexican children and Acetaminophen use in the first year of life was associated with severe current AD symptoms.
World Allergy Organization Journal, 2012
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Papers by Sergio de Jesus Romero Tapia