{"id":25083,"date":"2025-07-14T10:50:05","date_gmt":"2025-07-14T08:50:05","guid":{"rendered":"https:\/\/lluita.org\/?p=25083"},"modified":"2025-09-05T16:16:44","modified_gmt":"2025-09-05T14:16:44","slug":"que-es-lhelicobacter-pylori-la-infeccio","status":"publish","type":"post","link":"https:\/\/lluita.org\/es\/que-es-lhelicobacter-pylori-la-infeccio\/","title":{"rendered":"\u00bfQu\u00e9 es el Helicobacter pylori? La infecci\u00f3n que podr\u00eda causar 12 millones de casos de c\u00e1ncer de est\u00f3mago"},"content":{"rendered":"<p><span class=\"TextRun SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\">Un <\/span><\/span><a class=\"Hyperlink SCXW75589832 BCX0\" href=\"https:\/\/www.nature.com\/articles\/s41591-025-03793-6.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW75589832 BCX0\" data-ccp-charstyle=\"Hyperlink\">estudio<\/span><\/span><\/a><span class=\"TextRun SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\"> reciente publicado en <\/span><\/span><em><a class=\"Hyperlink SCXW75589832 BCX0\" href=\"https:\/\/www.nature.com\/nm\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW75589832 BCX0\" data-ccp-charstyle=\"Hyperlink\">Nature Medicine<\/span><\/span><\/a> <\/em><span class=\"TextRun SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\">y liderado por la <\/span><\/span><a class=\"Hyperlink SCXW75589832 BCX0\" href=\"https:\/\/www.iarc.who.int\/news-events\/population-based-helicobacter-pylori-screen-and-treat-strategies-for-gastric-cancer-prevention-guidance-on-implementation\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\" data-ccp-charstyle=\"Hyperlink\">Agencia Internacional para la Investigaci\u00f3n sobre el C\u00e1ncer (IARC\/OMS)<\/span><\/span><\/a><span class=\"TextRun SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\"> advierte que, si no se toman medidas preventivas, <\/span><\/span><strong><span class=\"TextRun MacChromeBold SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\">la bacteria <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW75589832 BCX0\">Helicobacter<\/span><span class=\"NormalTextRun SCXW75589832 BCX0\"> pylori<\/span><span class=\"NormalTextRun SCXW75589832 BCX0\"> podr\u00eda ser responsable de hasta <\/span><span class=\"NormalTextRun SCXW75589832 BCX0\">11,8 millones de casos de c\u00e1ncer g\u00e1strico<\/span><\/span><\/strong><span class=\"TextRun SCXW75589832 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW75589832 BCX0\"> entre las personas nacidas entre 2008 y 2017<\/span><span class=\"NormalTextRun SCXW75589832 BCX0\">\u00a0<\/span><\/span><span class=\"EOP SCXW75589832 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">\u00bfQu\u00e9 es el Helicobacter pylori?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Helicobacter pylori\u202f es una bacteria en forma de espiral que coloniza la mucosa del est\u00f3mago.<strong> Tiene la capacidad de sobrevivir en un entorno tan \u00e1cido como el g\u00e1strico<\/strong> gracias a mecanismos que neutralizan la acidez local. Esta adaptaci\u00f3n le permite <strong>establecerse de forma cr\u00f3nica, especialmente en personas con el sistema inmunitario debilitado<\/strong>, a menudo sin provocar s\u00edntomas evidentes.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">\u00bfCu\u00e1les son los s\u00edntomas?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<ol>\n<li><span data-contrast=\"auto\">Dolor o ardor en el est\u00f3mago<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Hinchaz\u00f3n abdominal<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">N\u00e1useas<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Eructos frecuentes<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">P\u00e9rdida de apetito o de peso<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">En casos m\u00e1s graves, puede derivar en gastritis cr\u00f3nica, \u00falceras p\u00e9pticas y, a largo plazo, c\u00e1ncer g\u00e1strico. <\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p>En este sentido, cabe destacar que<a href=\"https:\/\/lluita.org\/es\/infeccions\/infecciones-en-pacientes-inmunodeprimidos\/?swcfpc=1\"><strong> las personas con el sistema inmunitario d\u00e9bil<\/strong> <\/a>tienen tendencia a sufrir una infecci\u00f3n cr\u00f3nica por esta bacteria, ya que a menudo no presenta s\u00edntomas pudiendo desencadenar a lo largo de los a\u00f1os la aparici\u00f3n de un c\u00e1ncer g\u00e1strico.<\/p>\n<h3><span data-contrast=\"auto\"><strong>\u00bfC\u00f3mo se transmite el <\/strong><\/span><span data-contrast=\"auto\">Helicobacter pylori<\/span><span data-contrast=\"auto\"><strong>?<\/strong><\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/h3>\n<p><span class=\"TextRun SCXW16584515 BCX0\" lang=\"ES-ES\" xml:lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW16584515 BCX0\">La <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">infecci\u00f3n<\/span> <span class=\"NormalTextRun SCXW16584515 BCX0\">suele<\/span> <span class=\"NormalTextRun SCXW16584515 BCX0\">producirse<\/span> <span class=\"NormalTextRun SCXW16584515 BCX0\">durante<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> la <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">infancia<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> y se <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">transmite<\/span><strong><span class=\"NormalTextRun SCXW16584515 BCX0\"> por <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">v\u00eda<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> oral-fecal<\/span><\/strong><span class=\"NormalTextRun SCXW16584515 BCX0\">, a trav\u00e9s de la saliva, <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">alimentos<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> o agua contaminada. Es <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">m\u00e1s<\/span> <span class=\"NormalTextRun SCXW16584515 BCX0\">frecuente<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> en <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">zonas<\/span><span class=\"NormalTextRun SCXW16584515 BCX0\"> con <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">condiciones <\/span><span class=\"NormalTextRun SCXW16584515 BCX0\">sanitarias<\/span> <span class=\"NormalTextRun SCXW16584515 BCX0\">deficientes. <\/span><\/span><span class=\"EOP SCXW16584515 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\"><strong>\u00bfC\u00f3mo se puede detectar? <\/strong><\/span><span data-ccp-props=\"{&quot;335551550&quot;:6,&quot;335551620&quot;:6}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">La detecci\u00f3n de la infecci\u00f3n por\u00a0<\/span>Helicobacter pylori<span data-contrast=\"auto\">\u202fes clave para prevenir complicaciones graves. Actualmente, hay diversas pruebas diagn\u00f3sticas disponibles:\u00a0<\/span><\/p>\n<ul>\n<li><strong>Prueba de ant\u00edgeno en heces:<\/strong> detecta prote\u00ednas espec\u00edficas de la bacteria en una muestra de heces. Esta es la prueba que se utiliza con m\u00e1s frecuencia en la actualidad.<\/li>\n<li><strong>Prueba del aliento con urea:<\/strong> el paciente ingiere una sustancia que, si la bacteria est\u00e1 presente, se descompone y libera un gas que se detecta en el aliento.<\/li>\n<li><strong>Endoscopia con biopsia:<\/strong> permite observar directamente la mucosa g\u00e1strica y tomar muestras para analizarlas. Es especialmente \u00fatil en casos con s\u00edntomas graves o persistentes.<\/li>\n<li><strong>PCR en heces:<\/strong> una t\u00e9cnica molecular que puede detectar la presencia de la bacteria y resistencias a los antibi\u00f3ticos.<\/li>\n<li><strong>An\u00e1lisis de sangre:<\/strong> detecta anticuerpos, aunque no diferencia entre una infecci\u00f3n activa y una pasada.<\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Estas pruebas son seguras y cada vez m\u00e1s accesibles. La detecci\u00f3n precoz puede evitar la evoluci\u00f3n hacia lesiones premalignas o, incluso, c\u00e1ncer.\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">\u00bfCu\u00e1l es el tratamiento?<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">La infecci\u00f3n por Helicobacter pylori se puede tratar con una <strong>combinaci\u00f3n de dos o m\u00e1s antibi\u00f3ticos y un inhibidor<\/strong> de la bomba de protones (IBP) para reducir la acidez estomacal y favorecer la eficacia del tratamiento. La detecci\u00f3n precoz y el tratamiento adecuado pueden prevenir complicaciones graves, incluso el desarrollo de tumores.\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">\u00bfPor qu\u00e9 es importante la investigaci\u00f3n?<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">En la <\/span><a href=\"https:\/\/lluita.org\/en\/\"><span data-contrast=\"auto\">Fundaci\u00f3n Lucha contra les Infecciones<\/span><\/a><span data-contrast=\"auto\">, trabajamos para <strong>entender mejor c\u00f3mo estas infecciones afectan a la salud humana y c\u00f3mo podemos detectarlas, tratarlas y prevenirlas<\/strong> de forma m\u00e1s eficaz. La investigaci\u00f3n es clave para desarrollar programas de cribado en poblaciones de riesgo y mejorar los tratamientos.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Los datos son claros: <\/span><span data-contrast=\"auto\"><strong>el 76% de los futuros casos de c\u00e1ncer g\u00e1strico podr\u00edan evitarse con medidas preventivas<\/strong> contra esta infecci\u00f3n.\u00a0<\/span><\/p>\n<p><span class=\"NormalTextRun SCXW235256848 BCX0\">De hecho, en Europa, se estima que <\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">900.000 de los 1,2 <\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">millones<\/span><span class=\"NormalTextRun SCXW235256848 BCX0\"> de casos<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">proyectados<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">estar\u00edan<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">relacionados<\/span><span class=\"NormalTextRun SCXW235256848 BCX0\"> con <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW235256848 BCX0\">Helicobacter<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">pylori<\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">, y en <strong>Espa\u00f1a, cerca de <\/strong><\/span><strong><span class=\"NormalTextRun SCXW235256848 BCX0\">44.400 <\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">j\u00f3venes<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">podr\u00edan<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">desarrollar<\/span> <span class=\"NormalTextRun SCXW235256848 BCX0\">c\u00e1ncer<\/span><span class=\"NormalTextRun SCXW235256848 BCX0\"> de <\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">est\u00f3mago<\/span><\/strong><span class=\"NormalTextRun SCXW235256848 BCX0\"> si no se <\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">act\u00faa<\/span><span class=\"NormalTextRun SCXW235256848 BCX0\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un estudio reciente publicado en Nature Medicine y liderado por la Agencia Internacional para la Investigaci\u00f3n sobre el C\u00e1ncer (IARC\/OMS) advierte que, si no se toman medidas preventivas, la bacteria Helicobacter pylori podr\u00eda ser responsable de hasta 11,8 millones de casos de c\u00e1ncer g\u00e1strico entre las personas nacidas entre 2008 y 2017\u00a0\u00a0 \u00bfQu\u00e9 es el [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":25090,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268,269,426],"class_list":["post-25083","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infecciones-bacaterianas-graves","category-infecciones-en-pacientes-inmunodeprimidos","category-infecciones"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfQu\u00e9 es el Helicobacter pylori? La infecci\u00f3n que podr\u00eda causar 12 millones de casos de c\u00e1ncer de est\u00f3mago<\/title>\n<meta name=\"description\" content=\"Un estudio reciente publicado en Nature Medicine y liderado por la Agencia Internacional para la Investigaci\u00f3n sobre el C\u00e1ncer (IARC\/OMS) advierte que, si no se toman medidas preventivas, la bacteria Helicobacter pylori podr\u00eda ser responsable de hasta 11,8 millones de casos de c\u00e1ncer g\u00e1strico entre las personas nacidas entre 2008 y 2017.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lluita.org\/es\/que-es-lhelicobacter-pylori-la-infeccio\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfQu\u00e9 es el Helicobacter pylori? 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