{"id":91489,"date":"2026-01-24T17:34:42","date_gmt":"2026-01-24T22:34:42","guid":{"rendered":"https:\/\/thecitizenfortheworld.com\/?p=91489"},"modified":"2026-01-24T17:34:42","modified_gmt":"2026-01-24T22:34:42","slug":"como-es-el-analisis-de-sangre-que-anticipa-los-ataques-de-asma-con-alta-precision","status":"publish","type":"post","link":"https:\/\/thecitizenfortheworld.com\/?p=91489","title":{"rendered":"C\u00f3mo es el an\u00e1lisis de sangre que anticipa los ataques de asma con alta precisi\u00f3n"},"content":{"rendered":"<header class=\"article-header-wrapper\">\n<div class=\"article-header with-follow-button-ctn\">\n<h2 class=\"article-subheadline text_align_left\">Investigadores de Estados Unidos y Suecia identificaron un marcador biol\u00f3gico capaz de predecir qu\u00e9 pacientes asm\u00e1ticos desarrollar\u00e1n episodios graves en los pr\u00f3ximos a\u00f1os<\/h2>\n<\/div>\n<\/header>\n<article class=\"article\">\n<div class=\"body-article \">\n<div class=\"visual__image image-initial-width\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=992&amp;height=558&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=768&amp;height=432&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=577&amp;height=325&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=420&amp;height=236&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/5BWTM6BLPND45JECE26IKGMDDY?auth=fb1e7246d813a454544bbdd0ef34d5c8af291f216604dc9c81b4525f8f59dc72&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" alt=\"Un nuevo an\u00e1lisis de sangre\" width=\"1200\" height=\"675\" \/><\/picture>Un nuevo an\u00e1lisis de sangre permite anticipar ataques de asma con una precisi\u00f3n sin precedentes, seg\u00fan un estudio internacional publicado en Nature Communications<\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Una muestra de sangre y una ecuaci\u00f3n invisible: la medicina podr\u00eda estar a punto de anticipar\u00a0<b>ataques de\u00a0<\/b><a title=\"https:\/\/www.infobae.com\/tag\/asma\/\" href=\"https:\/\/www.infobae.com\/tag\/asma\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.infobae.com\/tag\/asma\/\"><b>asma\u00a0<\/b><\/a><b>con a\u00f1os de ventaja<\/b>. Un equipo internacional logr\u00f3 que un simple an\u00e1lisis pueda se\u00f1alar, con una precisi\u00f3n in\u00e9dita, qui\u00e9n corre el mayor riesgo de sufrir una crisis grave. El hallazgo, publicado en la revista<a title=\"https:\/\/www.nature.com\/articles\/s41467-025-67436-7\" href=\"https:\/\/www.nature.com\/articles\/s41467-025-67436-7\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.nature.com\/articles\/s41467-025-67436-7\">\u00a0<i>Nature Communications<\/i><\/a>, marca un cambio de paradigma en el manejo de una enfermedad que afecta a m\u00e1s de\u00a0<b>500 millones de personas<\/b> en el mundo.<\/p>\n<h2 class=\"header headline-class-h2 headline\">\u00bfQu\u00e9 es el asma y c\u00f3mo afecta a las personas?<\/h2>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El\u00a0<b>asma<\/b>\u00a0es una enfermedad cr\u00f3nica que inflama y estrecha las v\u00edas respiratorias, dificultando la entrada y salida de aire de los pulmones. Los s\u00edntomas m\u00e1s comunes incluyen\u00a0<b>tos, sibilancias, opresi\u00f3n en el pecho y dificultad para respirar<\/b>. Seg\u00fan la\u00a0<a title=\"https:\/\/www.mayoclinic.org\/es\/diseases-conditions\/asthma\/symptoms-causes\/syc-20369653\" href=\"https:\/\/www.mayoclinic.org\/es\/diseases-conditions\/asthma\/symptoms-causes\/syc-20369653\" target=\"_blank\" rel=\"noopener noreferrer\" data-mrf-link=\"https:\/\/www.mayoclinic.org\/es\/diseases-conditions\/asthma\/symptoms-causes\/syc-20369653\"><b>Mayo Clinic<\/b><\/a>, el asma puede variar desde molestias leves hasta complicaciones graves que requieren atenci\u00f3n m\u00e9dica urgente.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Los ataques suelen desencadenarse por al\u00e9rgenos, infecciones, ejercicio o estr\u00e9s, y pueden poner en riesgo la vida si no se tratan a tiempo.\u00a0<b>Aunque no existe una cura definitiva, los s\u00edntomas pueden controlarse con un tratamiento adecuado y un seguimiento constante.<\/b><\/p>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=992&amp;height=541&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=768&amp;height=419&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=577&amp;height=315&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=420&amp;height=229&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/GTP4TBLQGRGGFBLO3RR6DAHKZQ.png?auth=0d2549ec5f96e6b1c48e826b0f88ec07845c256a6e01a878071a4cefdd85775b&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" alt=\"La investigaci\u00f3n identifica un biomarcador\" width=\"1408\" height=\"768\" \/><\/picture>La investigaci\u00f3n identifica un biomarcador capaz de predecir crisis asm\u00e1ticas hasta cinco a\u00f1os antes del primer episodio en pacientes de riesgo (Imagen Ilustrativa Infobae)<\/div>\n<h2 class=\"header headline-class-h2 headline\">Un biomarcador que predice futuros ataques<\/h2>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Hasta ahora, los m\u00e9dicos solo pod\u00edan estimar la probabilidad de un ataque de asma con herramientas limitadas como las pruebas de funci\u00f3n pulmonar o el recuento de eosin\u00f3filos en sangre. Estos m\u00e9todos solo reflejan el estado actual de la enfermedad y rara vez logran anticipar episodios futuros. El nuevo avance se basa en la\u00a0<b>relaci\u00f3n entre dos tipos de mol\u00e9culas sangu\u00edneas: los esfingol\u00edpidos y los esteroides<\/b>. Medir ese equilibrio permite prever qui\u00e9n tendr\u00e1 una exacerbaci\u00f3n, incluso cinco a\u00f1os antes del primer episodio.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">La investigaci\u00f3n analiz\u00f3 muestras y registros m\u00e9dicos de m\u00e1s de\u00a0<b>2.500 adultos con asma<\/b>\u00a0de tres grandes cohortes internacionales. Los cient\u00edficos recurrieron a la metabol\u00f3mica, una t\u00e9cnica que detecta peque\u00f1as mol\u00e9culas del metabolismo celular, para encontrar patrones invisibles en la sangre.\u00a0<b>Los investigadores del Mass General Brigham y el Karolinska Institutet<\/b> descubrieron que la proporci\u00f3n de esfingol\u00edpidos respecto de los esteroides anticipa con un 90% de precisi\u00f3n qu\u00e9 pacientes tendr\u00e1n una crisis.<\/p>\n<h2 class=\"header headline-class-h2 headline\">Un modelo m\u00e1s preciso que los m\u00e9todos cl\u00e1sicos<\/h2>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=992&amp;height=541&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=768&amp;height=419&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=577&amp;height=315&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=420&amp;height=229&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/P2UK7GIVEVFZFK4PZKXI2F5K74.png?auth=f0235b11cb3f72af5ac455d20567f3d43294a42d20c31ba63432efbeeebd46bd&amp;smart=true&amp;width=350&amp;height=191&amp;quality=85\" alt=\"El asma afecta a m\u00e1s\" width=\"1408\" height=\"768\" \/><\/picture>El asma afecta a m\u00e1s de 500 millones de personas en el mundo y puede poner en peligro la vida si no se trata a tiempo (Imagen Ilustrativa Infobae)<\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El estudio utiliz\u00f3 algoritmos avanzados para crear un modelo predictivo y lo valid\u00f3 en diferentes grupos de pacientes. El resultado sorprendi\u00f3 a los expertos:<b>\u00a0\u201cLa interacci\u00f3n entre esfingol\u00edpidos y esteroides determina el perfil de riesgo\u201d<\/b>, explic\u00f3\u00a0<b>Craig Wheelock<\/b>, del Karolinska Institutet.\u00a0<b>\u201cEste enfoque no solo tiene sentido biol\u00f3gico, tambi\u00e9n es robusto y apto para convertirse en un test cl\u00ednico pr\u00e1ctico y econ\u00f3mico\u201d.<\/b><\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">La diferencia de desempe\u00f1o fue notoria. El sistema predictivo basado en estas mol\u00e9culas alcanz\u00f3 una \u201c<b>\u00e1rea bajo la curva<\/b>\u201d de 0,90, frente al 0,50-0,70 de las evaluaciones cl\u00ednicas tradicionales. El modelo logr\u00f3 incluso anticipar el momento del primer ataque:\u00a0<b>las personas clasificadas como de alto riesgo sufrieron su primera crisis m\u00e1s de 100 d\u00edas antes que el grupo considerado seguro.<\/b><\/p>\n<h2 class=\"header headline-class-h2 headline\">Una herramienta para cambiar la historia del asma<\/h2>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Para\u00a0<b>Jessica Lasky-Su<\/b>, investigadora del Mass General Brigham, el avance responde a una de las demandas hist\u00f3ricas de los pacientes: \u201cUno de los mayores desaf\u00edos en el tratamiento del asma es que no tenemos una forma efectiva de saber qui\u00e9n tendr\u00e1 un ataque grave en el corto plazo. Nuestros hallazgos cubren esta necesidad cr\u00edtica\u201d, declar\u00f3. La especialista subray\u00f3 que anticipar el riesgo permitir\u00eda intervenir antes de que los s\u00edntomas se agraven.<\/p>\n<div class=\"visual__image\"><picture><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=992&amp;height=558&amp;quality=85\" media=\"(min-width: 1000px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=768&amp;height=432&amp;quality=85\" media=\"(min-width: 768px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=577&amp;height=325&amp;quality=85\" media=\"(min-width: 580px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=420&amp;height=236&amp;quality=85\" media=\"(min-width: 350px)\" \/><source srcset=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" media=\"(min-width: 80px)\" \/><img decoding=\"async\" loading=\"lazy\" class=\"global-image\" src=\"https:\/\/www.infobae.com\/resizer\/v2\/O3ZX6IMMFVESPMFVOXGDD4BW3Y.png?auth=e19b34e3f64fe572dc538561df2dfa13f162a13b7efce51a3c0c3775cc109e18&amp;smart=true&amp;width=350&amp;height=197&amp;quality=85\" alt=\"El avance se basa en\" width=\"1920\" height=\"1080\" \/><\/picture>El avance se basa en la medici\u00f3n del equilibrio entre esfingol\u00edpidos y esteroides presentes en la sangre de los pacientes (Huella Zero)<\/div>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El asma, como describe la\u00a0<b>Mayo Clinic<\/b>, es una enfermedad variable que puede pasar de ser una molestia leve a una amenaza para la vida.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">Los ataques se desencadenan por factores como infecciones, al\u00e9rgenos, ejercicio o estr\u00e9s, y provocan el cierre de las v\u00edas respiratorias, tos, sibilancia y sensaci\u00f3n de ahogo.<\/p>\n<h2 class=\"header headline-class-h2 headline\">Pr\u00f3ximos pasos hacia la aplicaci\u00f3n cl\u00ednica<\/h2>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El equipo de investigaci\u00f3n ha solicitado una patente para el m\u00e9todo, pero advierte que hace falta validar sus resultados en ensayos cl\u00ednicos y en poblaciones m\u00e1s diversas.<b><\/b><\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\"><b>\u201cEl impacto potencial es enorme, ya que podr\u00edamos identificar a quienes parecen estables, pero tienen un desequilibrio metab\u00f3lico subyacente\u201d<\/b>, destac\u00f3\u00a0<b>Wheelock<\/b>.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El estudio tambi\u00e9n detect\u00f3 que algunos metabolitos derivados de la microbiota intestinal se relacionan con las crisis asm\u00e1ticas, aunque la influencia de los esfingol\u00edpidos y los esteroides result\u00f3 mucho m\u00e1s relevante. El modelo podr\u00eda implementarse f\u00e1cilmente en laboratorios convencionales, lo que facilitar\u00eda su uso en la pr\u00e1ctica m\u00e9dica diaria.<\/p>\n<p class=\"paragraph\" data-mrf-recirculation=\"Links inline\">El hallazgo abre una v\u00eda para adaptar el tratamiento del asma a las caracter\u00edsticas de cada paciente y evitar las complicaciones graves a largo plazo.<\/p>\n<p data-mrf-recirculation=\"Links inline\">Con informaci\u00f3n de infobae.<\/p>\n<\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Investigadores de Estados Unidos y Suecia identificaron un marcador biol\u00f3gico capaz de predecir qu\u00e9 pacientes asm\u00e1ticos desarrollar\u00e1n episodios graves en los pr\u00f3ximos a\u00f1os Un nuevo an\u00e1lisis de sangre permite anticipar ataques de asma con una precisi\u00f3n sin precedentes, seg\u00fan un estudio internacional publicado en Nature Communications Una muestra de sangre y una ecuaci\u00f3n invisible: la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":91490,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - 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