{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T01:38:33Z","timestamp":1784770713001,"version":"3.55.0"},"reference-count":21,"publisher":"Colegio Mexicano de Inmunologia Clinica y Alergia, A. C.","issue":"3","license":[{"start":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T00:00:00Z","timestamp":1759190400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0"},{"start":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T00:00:00Z","timestamp":1759190400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0"}],"content-domain":{"domain":["revistaalergia.mx"],"crossmark-restriction":false},"short-container-title":["Rev Alerg Mex"],"abstract":"<jats:p>Objetivo: Analizar los efectos de la contaminaci\u00f3n atmosf\u00e9rica en la salud de una poblaci\u00f3n vulnerable en la Ciudad de M\u00e9xico despu\u00e9s de las nueve contingencias ambientales ocurridas en el a\u00f1o 2024.\nM\u00e9todos: Estudio transversal y descriptivo, llevado a cabo en sujetos que trabajan al aire libre (vendedores ambulantes), en quienes se documentaron los factores de riesgo y s\u00edntomas respiratorios, y se efectuaron de pruebas de funci\u00f3n respiratoria.\nResultados: Se registraron 300 pacientes. Los s\u00edntomas cl\u00ednicos m\u00e1s frecuentes fueron: aumento de la expectoraci\u00f3n (52%), infecciones respiratorias recurrentes (44,3%), cefalea (39,6%), tos (35%), irritaci\u00f3n lar\u00edngea (34%), prurito nasal (30%), disnea (26%), v\u00e9rtigo (22%), conjuntivitis (20,6%) y dolor tor\u00e1cico (19.6%). En cuanto a la espirometr\u00eda, los resultados mostraron: 61.3% con patr\u00f3n restrictivo, 14.3% con patr\u00f3n obstructivo, 13,3% con patr\u00f3n mixto, 11% de los casos sin alteraciones. El 44% de este grupo tuvo exacerbaci\u00f3n de enfermedades, como asma y enfermedad pulmonar obstructiva cr\u00f3nica.\nConclusiones: La contaminaci\u00f3n atmosf\u00e9rica constituye un grave problema de salud p\u00fablica, especialmente para las personas de bajos ingresos, que viven y trabajan en zonas con altos niveles de contaminaci\u00f3n, como se evidenci\u00f3 en nuestro estudio. Deben efectuarse mayor cantidad de estudios epidemiol\u00f3gicos para evaluar el efecto del ozono y otros contaminantes en grupos vulnerables, con el fin de implementar medidas de prevenci\u00f3n efectivas.\nPalabras clave: Contaminaci\u00f3n ambiental; Poblaci\u00f3n vulnerable; M\u00e9xico; Factores de riesgo; Asma; Enfermedad pulmonar obstructiva cr\u00f3nica; Salud p\u00fablica; Ozono.<\/jats:p>","DOI":"10.29262\/ram.v72i3.1463","type":"journal-article","created":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T14:03:55Z","timestamp":1759241035000},"page":"149-158","update-policy":"https:\/\/doi.org\/10.29262\/ram.crossmark","source":"Crossref","is-referenced-by-count":1,"title":["&lt;b&gt;Efectos de la contaminaci\u00f3n atmosf\u00e9rica en la salud posterior a las contingencias ambientales en la ciudad de M\u00e9xico &lt;\/b&gt;","&lt;b&gt;Effects of air pollution on health following on environmental contingencies in Mexico City\u00a0&lt;\/b&gt;"],"prefix":"10.29262","volume":"72","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9314-3515","authenticated-orcid":false,"given":"Alejandro","family":"Hern\u00e1ndez Solis","sequence":"first","affiliation":[{"name":"Hospital General de M\u00e9xico. \u00a8Dr. Eduardo Liceaga\""}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-9782-8523","authenticated-orcid":false,"given":"Alejandro","family":"Hern\u00e1ndez de la Torriente","sequence":"additional","affiliation":[{"name":"Escuela Nacional de Ciencias de la Tierra, Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0004-5038-7079","authenticated-orcid":false,"given":"Le\u00f3n Alfonso","family":"Balderas Salazar","sequence":"additional","affiliation":[{"name":"Servicio de Neumolog\u00eda y Cirug\u00eda de T\u00f3rax, Hospital General de M\u00e9xico Dr. Eduardo Liceaga, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Galileo","family":"Navarro Ororpeza","sequence":"additional","affiliation":[{"name":"Facultad de Estudios Superiores Campus Iztacala Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Hern\u00e1ndez de la Torriente","sequence":"additional","affiliation":[{"name":"Servicio de Neumolog\u00eda y Cirug\u00eda de T\u00f3rax, Hospital General de M\u00e9xico Dr. Eduardo Liceaga, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camila","family":"Ram\u00edrez Padilla","sequence":"additional","affiliation":[{"name":"Facultad de Estudios Superiores Campus Iztacala Universidad Nacional Aut\u00f3noma de M\u00e9xico, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-7848-6182","authenticated-orcid":false,"given":"Kevin Hazael","family":"Arizmendi Venegas","sequence":"additional","affiliation":[{"name":"Servicio de Neumolog\u00eda y Cirug\u00eda de T\u00f3rax, Hospital General de M\u00e9xico Dr. Eduardo Liceaga, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8247-4300","authenticated-orcid":false,"given":"Guillermo","family":"Vel\u00e1zquez Samano","sequence":"additional","affiliation":[{"name":"Servicio de Alergia e inmunolog\u00eda, Hospital General de M\u00e9xico Dr. Eduardo Liceaga, Ciudad de M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"11808","published-online":{"date-parts":[[2025,9,30]]},"reference":[{"key":"64064","unstructured":"1. 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