Instituto Nacional Of Salud Pblica

Cuernavaca, Mexico

Instituto Nacional Of Salud Pblica

Cuernavaca, Mexico
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Del-Rio-Navarro B.E.,Hospital Infantil Of Mexico Federico Gomez | Castro-Rodriguez J.A.,University of Santiago de Chile | Garibay Nieto N.,Hospital Infantil Of Mexico Federico Gomez | Berber A.,Hospital Infantil Of Mexico Federico Gomez | And 3 more authors.
Journal of Asthma | Year: 2010

The relationship between asthma and obesity has been documented in children and adolescents; however, few studies on metabolic syndrome and asthma have been performed. Objective. To determine the prevalence of metabolic syndrome in adolescents among the following groups: obese with asthma (OA), obese without asthma (ONA), nonobese with asthma (NOA), and nonobese without asthma (NONA). Patients and Methods. The authors measured anthropometric (height, weight, waist circumference, body mass index, and waist-hip ratio), clinical (Tanner stage, blood pressure, fat and muscle reserve, and exercise), and biochemical parameters (basal and load glucose, cholesterol, triglycerides, high-density lipoproteins, uric acid, and insulin) in 500 Mexican adolescents. Results. A total of 111 OA, 198 ONA, 63 NOA, and 71 NONA adolescents completed the study. There were no differences in age, height, Tanner stage, high-density lipoproteins, or basal glucose among groups. Cholesterol, triglycerides, uric acid, basal insulin, and homeostasis model assessment (HOMA)-IR were significantly higher among the obese than nonobese groups but were similar between the OA and ONA groups. The prevalence of impaired fasting glucose was significantly higher among ONA versus OA males. The prevalence of metabolic syndrome (define as ≥3 abnormal cardiometabolic risk factors by de Ferranti, Cook, and International Diabetes Federation IDF criteria) was higher among OA teens than in the ONA group; however, this association was significant only among males. Adolescents from the ONA group were able to perform significantly more vigorous exercise than the other groups. Conclusion. Adolescent males who were obese and also had mild persistent asthma had a significantly higher prevalence of metabolic syndrome than obese males without asthma. However, overall, asthma seems to confer a protective effect against the prediabetes condition in males. Copyright © 2010 Informa Healthcare USA, Inc.


Harrington M.,ETH Zurich | Hotz C.,Instituto Nacional Of Salud Pblica | Zeder C.,ETH Zurich | Polvo G.O.,Instituto Nacional Of Salud Pblica | And 5 more authors.
European Journal of Clinical Nutrition | Year: 2011

Background/Objectives:Ferrous fumarate is recommended for the fortification of complementary foods based on similar iron absorption to ferrous sulfate in adults. Two recent studies in young children have reported that it is only 30% as well absorbed as ferrous sulfate. The objective of this study was to compare iron absorption from ferrous fumarate and ferrous sulfate in infants, young children and mothers.Subjects/Methods:Non-anemic Mexican infants (6-24 months), young children (2-5 years) and adult women were randomly assigned to receive either 4 mg Fe (women) or 2.5 mg Fe (infants and young children) as either 57Fe-ferrous fumarate or 58 Fe-ferrous sulfate added to a sweetened drink based on degermed maize flour and milk powder. Iron absorption was calculated based on incorporation of isotopes into erythrocytes after 14days.Results:Within each population group, no significant differences (P>0.05) in iron absorption were found between ferrous fumarate and ferrous sulfate. Mean iron absorption from ferrous fumarate vs ferrous sulfate was 17.5 vs 20.5% in women (relative bioavailability (RBV) 86), 7.0 vs 7.2% in infants (RBV 97) and 6.3 vs 5.9% in young children (RBV 106).Conclusions:Ferrous fumarate is as well absorbed as ferrous sulfate in non-anemic, iron sufficient infants and young children, and can be recommended as a useful fortification compound for complementary foods designed to prevent iron deficiency. Further studies are needed to clarify its usefulness in foods designed to treat iron deficiency. © 2011 Macmillan Publishers Limited All rights reserved.


Thrasher J.F.,University of South Carolina | Thrasher J.F.,Instituto Nacional Of Salud Pblica | Villalobos V.,Instituto Nacional Of Salud Pblica | Barnoya J.,Washington University in St. Louis | And 2 more authors.
BMC Public Health | Year: 2011

Background: Previous cross-sectional research has suggested single cigarettes could either promote or inhibit consumption. The present study aimed to assess the effects of single cigarette availability and consumption on downstream quit behavior. Methods. We analyzed population-based, longitudinal data from adult smokers who participated in the 2008 and 2010 administrations of the International Tobacco Control Policy Evaluation Survey in Mexico. Results: At baseline, 30% of smokers saw single cigarettes for sale on a daily basis, 17% bought singles at their last purchase, and 7% bought singles daily. Smokers who most frequently purchased singles, both in general and specifically to control their consumption, were no more likely to attempt to quit over the 14 month follow-up period than those who did not purchase singles. Frequency of buying singles to reduce consumption had a non-monotonic association with being quit at followup. The odds of being quit was only statistically significant when comparing those who had not bought singles to reduce consumption with those who had done so on a more irregular basis (AOR = 2.30; 95% CI 1.19, 4.45), whereas those who did so more regularly were no more likely to be quit at followup. Frequency of self-reported urges to smoke upon seeing singles for sale was unassociated with either quit attempts or being quit at followup. Conclusions: These results suggest that the relationship between singles consumption and quit behavior is complex, with no clear evidence that singles either promote or inhibit downstream quit behavior. © 2011 Thrasher et al; licensee BioMed Central Ltd.

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