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Bercedo-Sanz A, Martínez-Torres A, Varela ALS, Belinchón FJP, Aguinaga-Ontoso I, Díaz CG, García-Marcos L, Spain GG. Prevalence and time trends of symptoms of allergic rhinitis and rhinoconjunctivitis in Spanish children: Global Asthma Network (GAN) study. Allergol Immunopathol (Madr) 2023; 51:1-11. [PMID: 37695222 DOI: 10.15586/aei.v51i1.711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 10/03/2022] [Indexed: 09/12/2023]
Abstract
INTRODUCTION The time trends of the prevalence of rhinitis, rhinoconjunctivitis and nasal allergy previously described in the ISAAC (International Study of Asthma and Allergies in Childhood) in 2002 are unknown; or if the geographical or age differences in Spain persist. OBJECTIVE To describe the prevalence of rhinitis, rhinoconjunctivitis and nasal allergy in different Spanish geographical areas and compare them with those of the ISAAC. METHODS Cross-sectional study of the prevalence of rhinitis, rhinoconjunctivitis and nasal allergy, carried out in 2016-2019 on 19943 adolescents aged 13-14 years and 17215 schoolchildren aged 6-7 years from six Spanish areas (Cartagena, Bilbao, Cantabria, La Coruña, Pamplona, and Salamanca), through a questionnaire based on the Global Asthma Network (GAN) protocol. RESULTS The prevalences of recent rhinitis and rhinoconjunctivitis (last 12 months), and nasal allergy/hay fever were 35.1%, 17.6%, and 14.6% in the adolescents and 20%, 8.5%, and 8.9% in the schoolchildren, respectively, with rhinoconjunctivitis in adolescents varying from 20.9% in Bilbao to 13.4% in Cartagena; and in schoolchildren, from 9.8% in La Coruña to 6.4% in Pamplona. These prevalences of rhinoconjunctivitis and nasal allergy in adolescents were higher than those described in the ISAAC (16.3% and 13%) and similar in schoolchildren to the ISAAC (9% and 9.4%). CONCLUSIONS There has been a stabilisation of rhinitis, rhinoconjunctivitis and nasal allergy in schoolchildren that slows the previous upward trend of ISAAC; and a slight non-significant increase in rhinoconjunctivitis and nasal allergy in adolescents. The variability found in adolescents would require local research to be better understood.
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Affiliation(s)
- Alberto Bercedo-Sanz
- Centro de Salud Los Castros. Santander, Servicio Cántabro de Salud, Instituto de Investigación Sanitaria Valdecilla, IDIVAL, Cantabria, Spain;
| | - Antonela Martínez-Torres
- Unidad de Neumología y Alergia Pediátrica y Grupo de Investigación en Enfermería, Hospital Infantil Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria IMIB, Murcia, Spain
| | | | | | - Ines Aguinaga-Ontoso
- Departamento de Ciencias de la Salud, Universidad Pública de Navarra (UPNA), Pamplona, Spain
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Navarra, Spain
| | - Carlos González Díaz
- Unidad de Alergia Infantil, Hospital Universitario Basurto, Bilbao, Vizcaya, Spain
| | - Luis García-Marcos
- Unidad de Neumología y Alergia Pediátrica Hospital Infantil Universitario Virgen de la Arrixaca, Universidad de Murcia e Instituto Murciano de Investigación Biosanitaria IMIB, Murcia, Spain
| | - Grupo Gan Spain
- Centro de Salud Los Castros. Santander, Servicio Cántabro de Salud, Instituto de Investigación Sanitaria Valdecilla, IDIVAL, Cantabria, SpainUnidad de Neumología y Alergia Pediátrica y Grupo de Investigación en Enfermería, Hospital Infantil Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria IMIB, Murcia, SpainFundación María José Jove, Servicio Galego de Saúde (SERGAS), La Coruña, SpainCentro de Salud Pizarrales, Salamanca, Departamento de Ciencias Biomédicas y del Diagnóstico, Universidad de Salamanca, Salamanca, SpainDepartamento de Ciencias de la Salud, Universidad Pública de Navarra (UPNA), Pamplona, SpainIdiSNA, Instituto de Investigación Sanitaria de Navarra, Navarra, Spain.Unidad de Alergia Infantil, Hospital Universitario Basurto, Bilbao, Vizcaya, SpainUnidad de Neumología y Alergia Pediátrica Hospital Infantil Universitario Virgen de la Arrixaca, Universidad de Murcia e Instituto Murciano de Investigación Biosanitaria IMIB, Murcia, Spain
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Langan SM, Mulick AR, Rutter CE, Silverwood R, Asher I, García‐Marcos L, Ellwood E, Bissell K, Chiang C, Sony AE, Ellwood P, Marks G, Mortimer K, Martínez‐Torres AE, Morales E, Perez‐Fernandez V, Robertson S, Williams H, Strachan DP, Pearce N, Bissell K, Chiang CY, Marks , Mortimer K, Masekela R, Perez‐Fernández V, Martinez‐Torres AE, Robertson S, Rutter CE, Silverwood RJ, Mallol J, Soto‐Martinez ME, Cabrera Aguilar A, Douros K, Mohammed S, Singh M, Singh V, Sukumaran TU, Awasthi S, Kabra SK, Salvi S, Mérida‐Palacio JV, González‐Díaz SN, Navarrete‐Rodriguez EM, Sánchez JF, Falade AG, Zar HJ, López‐Silvarrey Varela A, González Díaz C, Nour M, Dib G, Mohammad Y, Huang J, Chinratanapisit S, Soto‐Quirós ME, El‐Sony A, Vichyanond P, Aguilar P, Barba S, Kumar L, Sharma SK, Hanumante NM, García‐Almaráz R, Merida‐Palacio JV, Del‐Río‐Navarro BE, Linares‐Zapién FJ, Onadeko BO, Musa OAA, Aguirre V, Baeza‐Bacab M, Mohammad S, Cortéz E, Gratziou CH, Chopra K, Nelson H, Rubio AD, Hsieh K, Shah J. Trends in eczema prevalence in children and adolescents: A Global Asthma Network Phase I Study. Clin Exp Allergy 2023. [DOI: 10.1111/cea.14276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Affiliation(s)
| | - Amy R. Mulick
- London School of Hygiene & Tropical Medicine London UK
| | | | - Richard J. Silverwood
- London School of Hygiene & Tropical Medicine London UK
- Centre for Longitudinal Studies, UCL Social Research Institute University College London London UK
| | - Innes Asher
- Department of Paediatrics: Child and Youth Health, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand
| | - Luis García‐Marcos
- Paediatric Allergy and Pulmonology Units, Virgen de la Arrixaca University Children's Hospital University of Murcia Murcia Spain
- IMIB Bio‐health Research Institute Murcia Spain
- ARADyAL Allergy Network Murcia Spain
| | - Eamon Ellwood
- Department of Paediatrics: Child and Youth Health, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand
| | - Karen Bissell
- School of Population Health, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand
| | - Chen‐Yuan Chiang
- International Union Against Tuberculosis and Lung Disease Paris France
- Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital Taipei Medical University Taipei Taiwan
- Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine Taipei Medical University Taipei Taiwan
| | - Asma El Sony
- Epidemiological Laboratory (Epi‐Lab) for Public Health, Research and Development Khartoum Sudan
| | - Philippa Ellwood
- Department of Paediatrics: Child and Youth Health, Faculty of Medical and Health Sciences University of Auckland Auckland New Zealand
| | - Guy B. Marks
- Respiratory & Environmental Epidemiology University of New South Wales Sydney New South Wales Australia
| | - Kevin Mortimer
- Department of Medicine University of Cambridge Cambridge UK
- Department of Respiratory Medicine Liverpool University Hospitals NHS Foundation Trust Liverpool UK
- Department of Paediatrics and Child Health, College of Health Sciences, School of Clinical Medicine University of KwaZulu‐Natal Durban South Africa
| | - A. Elena Martínez‐Torres
- Paediatric Allergy and Pulmonology Units and Nurse Research Group Virgen de la Arrixaca University Children's Hospital Murcia Spain
- IMIB Bio‐health Research Institute, Edificio Departamental‐Laib Murcia Spain
| | - Eva Morales
- IMIB Bio‐health Research Institute, Edificio Departamental‐Laib Murcia Spain
- Department of Public Health Sciences University of Murcia Murcia Spain
| | - Virginia Perez‐Fernandez
- IMIB Bio‐health Research Institute, Edificio Departamental‐Laib Murcia Spain
- Department of Biostatistics University of Murcia Murcia Spain
| | - Steven Robertson
- Centre for Longitudinal Studies, UCL Social Research Institute University College London London UK
| | - Hywel C. Williams
- Centre for Evidence‐Based Dermatology University of Nottingham Nottingam UK
| | - David P. Strachan
- Population Health Research Institute St George's, University of London London UK
| | - Neil Pearce
- London School of Hygiene & Tropical Medicine London UK
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Ibáñez-Sandín MD, Escudero C, Candón Morillo R, Lasa EM, Marchán-Martín E, Sánchez-García S, Terrados S, González Díaz C, Juste S, Martorell A, Gázquez García V, Ramírez Jiménez A, Abellán Á, Martos Calahorro MD, Tabar AI, Bartra J, García Rodríguez R, Gómez Galán C, Martín-Muñoz MF, Meseguer Arce J, Miralles JC, Montoro de Francisco AM, Poza Guedes P, Rodríguez Del Río P. Oral immunotherapy in severe cow's milk allergic patients treated with omalizumab: Real life survey from a Spanish registry. Pediatr Allergy Immunol 2021; 32:1287-1295. [PMID: 33835593 DOI: 10.1111/pai.13517] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 03/29/2021] [Accepted: 04/07/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Oral immunotherapy is a frequent treatment for the management of food allergies, but adverse events (AE) are common. This study assessed the outcome of cow's milk oral immunotherapy (MOIT) in severe cow`s milk-allergic patients treated with omalizumab in a real-life setting. METHODS OmaBASE was a national, multicenter, open, and observational registry that collected clinical, immunologic, and treatment from patients with food allergy receiving omalizumab. RESULTS Data derived from 58 patients aged 10.3 years (IQR 6.3-13.2) and median milk-specific IgE 100 kUA /L at the start of omalizumab treatment. Most had experienced anaphylaxis by accidental exposures (70.7%) and had asthma (81.0%). Omalizumab in monotherapy induced tolerance to ≥6000 mg of cow's milk protein (CMP) to 34.8% of patients tested by oral food challenge. Omalizumab combined with MOIT conferred desensitization to ≥6000 mg of CMP to 83.0% of patients. Omalizumab withdrawal triggered more AE (P = .013) and anaphylaxis (P = .001) than no discontinuation. Anaphylaxis was observed in 36.4% of patients who discontinued omalizumab, and more in those with sudden (50.0%) rather than progressive (12.5%) discontinuation. At database closure, 40.5% of patients who had completed follow-up tolerated CMP without omalizumab (7.2% 1500-4500 mg; 33.3% ≥6000 mg). CONCLUSION Milk oral immunotherapy initiated under omalizumab allows the desensitization of subjects with severe cow's milk allergy even after omalizumab discontinuation. However, discontinuation of omalizumab can lead to severe AE and should be carefully monitored.
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Affiliation(s)
- María Dolores Ibáñez-Sandín
- Department of Allergy, Hospital Infantil Universitario Niño Jesús and ARADyAL- RETICs network RD16/0006/0026, Instituto de Salud Carlos III, IIS-P, FibHNJ, Madrid, Spain
| | - Carmelo Escudero
- Department of Allergy, Hospital Infantil Universitario Niño Jesús and ARADyAL- RETICs network RD16/0006/0026, Instituto de Salud Carlos III, IIS-P, FibHNJ, Madrid, Spain
| | - Rocío Candón Morillo
- Department of Allergy, Hospital General La Mancha Centro, Alcázar de San Juan, Spain
| | - Eva M Lasa
- Pediatric Allergy Unit, Hospital Universitario Donostia, San Sebastián, Spain
| | - Eva Marchán-Martín
- Department of Allergy, Complejo Hospitalario Universitario de Toledo, Toledo, Spain
| | - Silvia Sánchez-García
- Department of Allergy, Hospital Infantil Universitario Niño Jesús and ARADyAL- RETICs network RD16/0006/0026, Instituto de Salud Carlos III, IIS-P, FibHNJ, Madrid, Spain
| | - Soledad Terrados
- Department of Allergy, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Carlos González Díaz
- Pediatric Allergy Unit, Basurto University Hospital, Biocruces Bizkaia Health Research Institute, Bilbao, Spain
| | - Sonsoles Juste
- Department of Allergy, Hospital Universitario de Burgos, Burgos, Spain
| | | | - Vanessa Gázquez García
- Department of Allergy, Hospital Universitari Joan XXIII, Universitat Rovira i Virgili, Tarragona, Spain
| | - Antonio Ramírez Jiménez
- Food Safety Unit, Department of Allergy, Hospital Universitario Virgen Macarena, Seville, Spain
| | - Ángel Abellán
- Department of Allergy, Hospital Universitario Los Arcos del Mar Menor, Murcia, Spain
| | | | - Ana I Tabar
- Department of Allergy, Hospital Complex of Navarra, Pamplona, Spain.,Navarra Institute for Health Research (IdiSNA), Pamplona, Spain.,Cooperative Health Research Thematic Networks (RETICs) for Asthma, Adverse Reactions to drugs and Allergy (ARADYAL) Research Network, Pamplona, Spain
| | - Joan Bartra
- Department of Allergy, Hospital Clinic, IDIBAPS, Universitat de Barcelona and ARAdyAL, Barcelona, Spain
| | - Rosa García Rodríguez
- Department of Allergy, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain
| | - Catalina Gómez Galán
- Department of Allergy, Althaia, Xarxa Assistencial Universitària de Manresa, Barcelona, Spain
| | | | - José Meseguer Arce
- Department of Allergy, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Juan C Miralles
- Department of Allergy, Hospital General Universitario Reina Sofía, Murcia, Spain
| | | | - Paloma Poza Guedes
- Department of Allergy, Hospital Universitario de Canarias, Santa Cruz de Tenerife, Spain
| | - Pablo Rodríguez Del Río
- Department of Allergy, Hospital Infantil Universitario Niño Jesús and ARADyAL- RETICs network RD16/0006/0026, Instituto de Salud Carlos III, IIS-P, FibHNJ, Madrid, Spain
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Arnedo-Pena A, García-Marcos L, Urueña IC, Monge RB, Suárez-Varela MM, Canflanca IM, Garrido JB, Quirós AB, López-Silvarrey Varela Á, Hernández GG, Ontoso IA, Díaz CG. Air Pollution and Recent Symptoms of Asthma, Allergic Rhinitis, and Atopic Eczema in Schoolchildren Aged Between 6 and 7 Years. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1579-2129(09)72152-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Arnedo-Pena A, García-Marcos L, Carvajal Urueña I, Busquets Monge R, Morales Suárez-Varela M, Miner Canflanca I, Batlles Garrido J, Blanco Quirós A, López-Silvarrey Varela A, García Hernández G, Aguinaga Ontoso I, González Díaz C. [Air pollution and recent symptoms of asthma, allergic rhinitis, and atopic eczema in schoolchildren aged between 6 and 7 years]. Arch Bronconeumol 2009; 45:224-9. [PMID: 19371994 DOI: 10.1016/j.arbres.2008.10.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2008] [Revised: 10/01/2008] [Accepted: 10/20/2008] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The objective of the study was to analyze the relationship between air pollutants and the prevalence of recent symptoms of asthma, allergic rhinitis, and atopic eczema in schoolchildren aged between 6 and 7 years. PATIENTS AND METHODS The prevalence of recent (previous 12 months) symptoms of allergic diseases was obtained by means of the questionnaire of the International Study of Asthma and Allergies in Childhood (ISAAC), Spain, with the participation of 7 centers (Asturias, Barcelona, Bilbao, Cartagena, La Coruña, Madrid, and Valencia) and 20 455 schoolchildren aged between 6 and 7 years, from 2002 to 2003. The pollutant detection systems of the aforementioned centers provided the mean annual concentrations of sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon monoxide (CO), and total suspended particulate matter. RESULTS The annual average concentration of SO2 showed a significant association with a higher prevalence of recent severe asthma (adjusted odds ratio [aOR] between level-1 and level-3 pollution, 1.32; 95% confidence interval [CI], 1.01-1.73), rhinitis (aOR, 1.56; 95% CI, 1.39-1.75), and rhinoconjunctivitis (aOR, 1.70; 95% CI, 1.45-2.00). The annual average concentration of CO was associated with a higher prevalence of rhinitis (aOR, 1.65; 95% CI, 1.34-2.04), rhinoconjunctivitis (aOR, 1.76; 95% CI, 1.31-2.37), and eczema (aOR, 1.55; 95% CI, 1.17-2.04). The annual average concentration for NO2 and total suspended particulate matter showed inverse associations with the prevalence of nocturnal dry cough. CONCLUSIONS Findings suggest that air pollutants such as SO2 and CO increase the risk of recent symptoms of asthma and allergic rhinitis in schoolchildren aged between 6 and 7 years in Spain.
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Suárez-Varela MM, García-Marcos Alvarez L, Kogan MD, González AL, Gimeno AM, Aguinaga Ontoso I, Díaz CG, Pena AA, Aurrecoechea BD, Monge RMB, Quiros AB, Garrido JB, Canflanca IM, Varela ALS. Climate and prevalence of atopic eczema in 6- to 7-year-old school children in Spain. ISAAC phase III. Int J Biometeorol 2008; 52:833-840. [PMID: 18779981 DOI: 10.1007/s00484-008-0177-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2007] [Revised: 05/02/2008] [Accepted: 07/18/2008] [Indexed: 05/26/2023]
Abstract
Atopic eczema (AE) is a chronic skin disease. Recent reports indicate that the worldwide prevalence of AE is increasing and that various environmental factors are implicated in its aetiology. Climatic conditions have been related with AE prevalence, and Spain has varying climatic conditions. The aim of this study is to document the possible climatic influence on the prevalence of AE in schoolchildren aged 6-7 years in three different climatic regions in Spain. We conducted a cross-sectional population-based survey of 28,394 schoolchildren aged 6-7 years from 10 Spanish centres in three different climatic regions. The mean participation rate was 76.5%. AE prevalence was assessed using the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire and the Spanish Academy of Dermatology criteria used in Spain to diagnose AE. The data, including annual temperature, precipitation, relative humidity and the annual number of sunny hours per climatic region, were obtained from the Spanish National Institute of Meteorology. Different AE prevalences were found in all three climatic regions studied: Atlantic, 32.9; Mediterranean 28.3; and Continental 31.2 per 100 children studied (p < 0.005). AE was positively associated with precipitation and humidity, and was negatively associated with temperature and the number of sunny hours. The results show that AE is significantly dependent on meteorological conditions.
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Affiliation(s)
- María Morales Suárez-Varela
- Unit of Public Health, Hygiene, and Environmental care. Department of Preventive Medicine, University of Valencia, Valencia, Spain.
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Morales Suárez-Varela MM, García-Marcos Alvarez L, González Díaz C, Arnedo Pena A, Domínguez Aurrecoechea B, Busquets Monge RM, Blanco Quiros A, Batlles Garrido J, Miner Canflanca I, López-Silvarrey Varela A, Martínez Gimeno A, Aguinagua Ontoso I, Llopis González A, Jiménez López MC. [Prevalence of atopic eczema and nutritional factors in 6-7 year old children]. Aten Primaria 2007; 39:355-60. [PMID: 17669319 PMCID: PMC7664512 DOI: 10.1157/13107723] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
OBJECTIVES To describe the prevalence of atopic eczema (AE) and to find the characteristics of the diet of children with AE. DESIGN Descriptive, transversal study. SETTING Primary schools. MAIN MEASUREMENTS The study used the standardized and validated questionnaire of the ISAAC phase III study, which finds the prevalence of AE in children and enables inter-centre comparison to be conducted. A questionnaire about food consumption was included. The prevalence ratio (PR) of AE and food consumption (95% confidence intervals) was calculated. RESULTS A total of 28 448 children aged 6-7 were included in the study. The prevalence of clinically diagnosed AE was 15.35% in boys and 15.24% in girls. The foods most often consumed were: dairy and cereals, followed by rice, pasta, and eggs. The least consumed were: butter, margarine, and fast food. The PR for children who consumed pasta was (PR=1.35), seafood (PR=1.28), cereals (PR=1.26), eggs (PR=1.13), and meat (PR=1.09). CONCLUSIONS The prevalence of AE in Spain was 15.3%, and was associated with food consumption. The consumption of dairy products, cereals, and olive oil was appropriate. The intake of fruit, vegetables, seafood, and legumes was below the recommended amounts. Future studies on the question are needed.
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Affiliation(s)
- María M Morales Suárez-Varela
- Unidad de Salud Pública, Higiene y Sanidad Ambiental, Departamento de Medicina Preventiva, Universidad de Valencia, Spain.
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Arnedo-Pena A, García-Marcos L, Blanco-Quirós A, Martínez Gimeno A, Aguinaga Ontoso I, González Díaz C, Díaz Vázquez C, Busquets-Monge R, Morales Suárez-Varela M, Batlles Garrido J, López-Silvarrey Varela A, García de Andoin N. [Time trends in prevalence of symptoms of allergic rhinitis in 13-14 year-old schoolchildren in 8 areas of Spain between 1993-1994 and 2001-2002 according to the International Study of Asthma and Allergies in Childhood (ISAAC)]. Med Clin (Barc) 2004; 123:490-5. [PMID: 15511369 DOI: 10.1016/s0025-7753(04)74569-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND AND OBJECTIVE Our goal was to estimate the time trends in the prevalence of symptoms of allergic rhinitis (AR) and its geographic variations. POPULATION AND METHOD During 2001-2002, the phase 3 of ISAAC study was carried out, and a comparison with the phase 1 (1993-1994) was done. This cross sectional study included 30,046 schoolchildren 13-14 years-old from 9 centers (Asturias, Barcelona, Bilbao, Cartagena, Castellon, Madrid, Pamplona, Valencia, and Valladolid). A questionnaire about rhinitis symptoms self-administered to schoolchildren was used at schools and institutes with a participation rate of 100% to 75.8%. RESULTS A divergent time trend of AR prevalence symptoms was observed with a decrease in Barcelona and Bilbao, a stabilization in Cartagena, Pamplona, and Valencia, and an increase in Castellon; Madrid and Valladolid; however, there was an overall increase in nasal allergy. The prevalence of rhinoconjunctivitis in the past year (Prevalence Ratio [PR] = 1,13; 95% Confidence Interval [CI], 1.07-1.19) and nasal allergy ever (PR = 1.22; 95% CI, 1.15-1.30) increased after adjusting for gender, center and season change. The prevalence of rhinoconjunctivitis and nasal allergy varied according to centres, Madrid, Asturias, Cartagena and Bilbao exhibiting the higher prevalence. Taken as a whole, these data indicate a middle prevalence of AR when compared with other countries following an ISAAC methodology. CONCLUSIONS Two patterns of time trend of prevalence of symptoms of AR were observed. The investigation of risk factors at local level could be important in order to undertake preventive measures.
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Affiliation(s)
- Alberto Arnedo-Pena
- Sección de Epidemiología, Centro de Salud Pública, Conselleria de Sanitat, Castellón, Spain.
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Hernández JR, Romero MYD, Díaz CG, Ramallo JC. First Report of Puccinia polysora on Corn in Argentina. Plant Dis 2002; 86:187. [PMID: 30823322 DOI: 10.1094/pdis.2002.86.2.187b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Corn (Zea mays L.) is an important crop in northwest Argentina but acreage has declined over the last several years due to disease problems. During the 2000 to 2001 growing season, leaf diseases were observed on corn growing in northeastern Tucumán Province (Departamiento Leales), which resulted in yield losses. One of the most prevalent diseases was caused by a rust fungus that produced both uredinial and telial stages. At the time of flowering 32% of the leaf area was infected, and 3 weeks later 69% was infected. Three rust fungi are known from corn (2), and this fungus was identified as Puccinia polysora Underw. based on the morphology of the two types of sori and spores (1). Although known from most tropical and subtropical regions, to our knowledge, this is the first report of P. polysora in Argentina (voucher BPI 841342). Tucumán Province, where the disease was observed, is a subtropical region with temperatures during the growing season >24°C and a relative humidity >90%. P. polysora has not been observed in the Pampas Humedas, the corn belt of Argentina, possibly because the area is more temperate than northwest Argentina and therefore the environment is not conducive to disease development or perhaps P. polysora has not been introduced into the region. References: (1) G. B. Cummins. The Rust Fungi of Cereals, Grasses and Bamboos. Springer-Verlag, New York, 1971. (2) J. K. Pataky. Rusts. Pages 35-38 in: Compendium of Corn Diseases, 3rd ed. The American Phytopathological Society, St. Paul, MN, 1999.
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Affiliation(s)
- J R Hernández
- USDA-ARS Systematic Botany and Mycology Laboratory, Beltsville, MD 20705
| | - M Yasem de Romero
- Cátedra de Fitopatología, Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 4000, Tucumán, Argentina
| | - C G Díaz
- Cátedra de Fitopatología, Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 4000, Tucumán, Argentina
| | - J C Ramallo
- Cátedra de Fitopatología, Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 4000, Tucumán, Argentina
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