{"id":41242,"date":"2026-05-04T05:32:18","date_gmt":"2026-05-04T05:32:18","guid":{"rendered":"https:\/\/organonpro.com\/es-es\/?post_type=news&#038;p=41242"},"modified":"2026-06-16T14:59:44","modified_gmt":"2026-06-16T14:59:44","slug":"factores-pronosticos-anafilaxia-mortal","status":"publish","type":"news","link":"https:\/\/organonpro.com\/es-es\/news\/factores-pronosticos-anafilaxia-mortal\/","title":{"rendered":"Factores pron\u00f3sticos de anafilaxia mortal: revisi\u00f3n sistem\u00e1tica"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Chowdhury R, Khalaf R, Chan ES,\u00a0Protudjer\u00a0JLP, Ton That A,\u00a0Kaouache\u00a0M,\u00a0et al. Predictors of Fatal Anaphylaxis: A Systematic Review. Int Arch Allergy Immunol. 2026 17:1-20.\u00a0<\/em><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-02bc3f819c691951e4dcd556c0c56a1f\" style=\"font-size:27px;font-style:normal;font-weight:700\">Puntos&nbsp;clave&nbsp;<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La edad avanzada, el asma no controlada y las comorbilidades cardiovasculares\u00a0se identificaron como\u00a0factores de riesgo de anafilaxia mortal\u00a0en esta revisi\u00f3n sistem\u00e1tica.\u00a0<\/li>\n\n\n\n<li>La administraci\u00f3n tard\u00eda de adrenalina\u00a0fue\u00a0un\u00a0factor modificable\u00a0principal\u00a0asociado a la mortalidad.\u00a0<\/li>\n\n\n\n<li>Los alimentos predominaron como desencadenantes\u00a0de anafilaxia mortal\u00a0en\u00a0la\u00a0poblaci\u00f3n pedi\u00e1trica, mientras que los f\u00e1rmacos\u00a0fueron\u00a0m\u00e1s frecuentes en\u00a0los\u00a0adultos mayores.\u00a0<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-767266c458faef4e1714606ff9af24f7\" style=\"font-size:27px;font-style:normal;font-weight:700\">Introducci\u00f3n\u00a0<\/h2>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-c17da2d14c4e249957506600e1cbd3e7 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">La anafilaxia es una reacci\u00f3n al\u00e9rgica aguda potencialmente mortal, caracterizada por un inicio\u00a0y progresi\u00f3n\u00a0r\u00e1pidos\u00a0y cuyos principales desencadenantes son los alimentos, las picaduras de insectos y los medicamentos.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aunque infrecuente, el riesgo de muerte por anafilaxia exige vigilancia continua para reducir el riesgo de exposici\u00f3n accidental en las personas con alergia.&nbsp;Identificar&nbsp;los&nbsp;factores pron\u00f3sticos&nbsp;de anafilaxia grave o mortal&nbsp;es&nbsp;fundamental para desarrollar estrategias que reduzcan el riesgo y mejoren el manejo cl\u00ednico.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El objetivo de esta revisi\u00f3n sistem\u00e1tica&nbsp;fue&nbsp;identificar y evaluar los&nbsp;factores pron\u00f3sticos&nbsp;de anafilaxia grave y mortal, con el prop\u00f3sito de mejorar los enfoques cl\u00ednicos y los protocolos&nbsp;para&nbsp;reducir la mortalidad asociada a&nbsp;esta urgencia m\u00e9dica.&nbsp;<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-d1da8061ece2337d7c96f61e5298f075\" style=\"font-size:27px;font-style:normal;font-weight:700\">M\u00e9todos\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se realiz\u00f3 una b\u00fasqueda exhaustiva en MEDLINE (v\u00eda PubMed),\u00a0Embase, Cochrane Library,\u00a0Scopus\u00a0y Web\u00a0of\u00a0Science.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-0c3411b7a9714e463f6a0f6d8f1290c2\" style=\"font-size:27px;font-style:normal;font-weight:700\">Resultados\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Se incluyeron 28 estudios en la revisi\u00f3n sistem\u00e1tica. La calidad metodol\u00f3gica de los estudios fue&nbsp;de&nbsp;moderada a alta.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La cohorte agrupada incluy\u00f3&nbsp;39\u202f080 pacientes con&nbsp;sospecha de&nbsp;anafilaxia,&nbsp;y se documentaron 8340 casos de anafilaxia mortal.&nbsp;&nbsp;<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-afc2374cf19e853bfb162866b426f3a0\" style=\"font-size:22px\">Factores de riesgo de anafilaxia\u00a0<\/h3>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-8e371a4be503d3c472b66c79244b2330 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">La\u00a0<strong>anafilaxia\u00a0desencadenada\u00a0por f\u00e1rmacos<\/strong>\u00a0se identific\u00f3\u00a0en 9 estudios\u00a0como\u00a0un factor contribuyente importante de mortalidad, especialmente en adultos mayores, personas con obesidad y\u00a0con m\u00faltiples comorbilidades.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;<strong>asma<\/strong>&nbsp;se identific\u00f3 como factor de riesgo en 4 estudios, aunque la bien controlada fue un factor protector en algunos estudios. El&nbsp;asma se asoci\u00f3 estrechamente con la anafilaxia desencadenada por alimentos.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>edad avanzada<\/strong>&nbsp;se se\u00f1al\u00f3&nbsp;como factor de riesgo en s\u00ed misma, en particular en la poblaci\u00f3n anciana (\u226565 a\u00f1os).&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;<strong>sexo masculino<\/strong>&nbsp;se identific\u00f3 como factor de riesgo en&nbsp;el 25\u202f% de&nbsp;los&nbsp;estudios que recogieron datos por sexo biol\u00f3gico.&nbsp;<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-839a1e08105635a558cb69204ec47ec8\" style=\"font-size:22px\">Anafilaxia mortal relacionada con la edad\u00a0<\/h3>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-397269707b633db48b196ffb53122bc9 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">En\u00a0<strong>ni\u00f1os<\/strong>, la anafilaxia mortal se asoci\u00f3 exclusivamente a la exposici\u00f3n\u00a0<strong>alimentaria<\/strong>, principalmente a\u00a0<strong>cacahuete y leche de vaca<\/strong>.\u00a0La ingesti\u00f3n accidental y el asma mal controlada fueron\u00a0factores\u00a0contribuyentes,\u00a0as\u00ed como\u00a0la administraci\u00f3n tard\u00eda de adrenalina.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En&nbsp;<strong>adultos<\/strong>&nbsp;(18-64 a\u00f1os),&nbsp;la anafilaxia mortal&nbsp;se relacion\u00f3 con&nbsp;<strong>f\u00e1rmacos y picaduras de insectos<\/strong>.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En poblaci\u00f3n&nbsp;<strong>anciana<\/strong>, la exposici\u00f3n a&nbsp;<strong>f\u00e1rmacos<\/strong>&nbsp;fue la principal causa&nbsp;de anafilaxia mortal, con comorbilidades cardiovasculares, uso de betabloqueantes y menor reserva fisiol\u00f3gica como factores contribuyentes a la descompensaci\u00f3n cl\u00ednica.&nbsp;<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-8ed4a4f3f19ce05038d7af15475bd933\" style=\"font-size:22px\">Anafilaxia mortal relacionada con el desencadenante\u00a0<\/h3>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-3cc2058df1c28d0ad176eeb5f03435f1 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">Al comparar los desencadenantes, los alimentos y los f\u00e1rmacos fueron las causas m\u00e1s frecuentes.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la&nbsp;<strong>anafilaxia por alimentos<\/strong>, el cacahuete y la leche de vaca fueron los al\u00e9rgenos predominantes;&nbsp;las muertes fueron m\u00e1s frecuentes&nbsp;en&nbsp;la&nbsp;poblaci\u00f3n pedi\u00e1trica.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En la&nbsp;<strong>anafilaxia por f\u00e1rmacos<\/strong>, m\u00e1s&nbsp;frecuente&nbsp;en adultos mayores, los principales desencadenantes fueron&nbsp;los anest\u00e9sicos locales, los antibi\u00f3ticos, los bloqueantes neuromusculares, los medios de contraste y los&nbsp;quimioter\u00e1picos. La presencia de comorbilidades, como cirug\u00eda previa o cardiopat\u00eda, increment\u00f3 el riesgo de mortalidad.&nbsp;<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-efe44e4b5f250e6f1f4d8f3797783234\" style=\"font-size:22px\">Factores pron\u00f3sticos\u00a0de anafilaxia mortal\u00a0<\/h3>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-7cf844afd973e10bbb66c7ffb3b99afe wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">Los\u00a0principales\u00a0factores de riesgo\u00a0para la anafilaxia mortal\u00a0fueron la edad avanzada, el asma (especialmente\u00a0la\u00a0no controlada), las comorbilidades cardiovasculares, la obesidad y la administraci\u00f3n tard\u00eda de adrenalina.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los al\u00e9rgenos de alto riesgo variaron\u00a0seg\u00fan la edad, siendo los cacahuetes y la leche de vaca los principales causantes de las muertes pedi\u00e1tricas, y los medicamentos (por ejemplo, f\u00e1rmacos perioperatorios, antibi\u00f3ticos\u00a0y\u00a0medios de contraste) los principales causantes en adultos y adultos mayores.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-ad4eaa7bd75c4f188669fff46928d6f9\" style=\"font-size:27px;font-style:normal;font-weight:700\">Discusi\u00f3n\u00a0<\/h2>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-afd790d43ba24445377dd0d6e50c53a3 wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">En esta revisi\u00f3n sistem\u00e1tica, los\u00a0factores de riesgo\u00a0de anafilaxia mortal incluyeron la edad avanzada, la exposici\u00f3n a f\u00e1rmacos, las enfermedades cr\u00f3nicas y el retraso en la administraci\u00f3n de adrenalina.\u00a0\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El&nbsp;<strong>asma<\/strong>&nbsp;es un&nbsp;factor pron\u00f3stico importante&nbsp;de anafilaxia mortal, respaldado por estudios de diversas regiones. El asma no controlada, m\u00e1s que su mera presencia, incrementa el riesgo de anafilaxia grave.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las&nbsp;<strong>enfermedades cardiovasculares<\/strong>&nbsp;se asocian&nbsp;con tasas de mortalidad m\u00e1s elevadas durante la anafilaxia, especialmente en los casos&nbsp;desencadenados&nbsp;por f\u00e1rmacos, en los que&nbsp;la inestabilidad cardiovascular (arritmias, insuficiencia card\u00edaca o enfermedad coronaria) empeora los&nbsp;desenlaces&nbsp;cl\u00ednicos.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La&nbsp;<strong>edad avanzada&nbsp;<\/strong>se asocia a peores resultados, probablemente debido a la menor reserva fisiol\u00f3gica y a las m\u00faltiples comorbilidades.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"has-text-align-left borde-citas has-text-color has-background has-link-color wp-elements-556b4a94c733ede1e24078abe52832df wp-block-paragraph\" style=\"color:#1b4298;background-color:#fff8cc;font-size:18px;font-style:normal;font-weight:600\">La administraci\u00f3n tard\u00eda de adrenalina es\u00a0un\u00a0factor de riesgo modificable\u00a0importante que contribuye notablemente a la\u00a0mortalidad.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La\u00a0<strong>anafilaxia mortal<\/strong>\u00a0sigue siendo un problema relevante, especialmente en adultos mayores y ni\u00f1os con alergias espec\u00edficas. La anafilaxia por f\u00e1rmacos predomina en adultos mayores, mientras que la leche de vaca\u00a0representa\u00a0un riesgo en la inmunoterapia oral pedi\u00e1trica. La optimizaci\u00f3n de los protocolos de manejo, la administraci\u00f3n precoz de adrenalina y la formaci\u00f3n estructurada son clave para reducir la morbimortalidad. La educaci\u00f3n para el reconocimiento precoz y la administraci\u00f3n inmediata de adrenalina\u00a0es esencial.\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-black-color has-text-color has-link-color wp-elements-633cbd23b7ae6b2e3d5acbf033c45c05\" style=\"font-size:27px;font-style:normal;font-weight:700\">Conclusiones\u00a0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El asma y las enfermedades cardiovasculares son factores de riesgo relevantes en la anafilaxia mortal\u00a0desencadenada\u00a0por alimentos y f\u00e1rmacos, respectivamente. La mortalidad fue mayor en personas de edad avanzada, especialmente\u00a0cuando se retras\u00f3\u00a0la administraci\u00f3n de adrenalina. En poblaci\u00f3n joven, la alergia al cacahuete y a la leche de vaca\u00a0son problem\u00e1ticas.\u00a0\u00a0<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfQuieres ampliar la informaci\u00f3n?<\/strong> Consulta el art\u00edculo original completo <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/41701644\/\">Predictors of Fatal Anaphylaxis: A Systematic Review<br><\/a><\/p>\n\n\n\n<style>\n.borde-citas {\nborder: solid;\nborder-color: #FEDB00;\nborder-width: 1px 1px 1px 16px;\nborder-radius: 0.8rem;\n}\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>Chowdhury R, Khalaf R, Chan ES,\u00a0Protudjer\u00a0JLP, Ton That A,\u00a0Kaouache\u00a0M,\u00a0et al. Predictors of Fatal Anaphylaxis: A Systematic Review. Int Arch Allergy Immunol. 2026 17:1-20.\u00a0 Puntos&nbsp;clave&nbsp; Introducci\u00f3n\u00a0 La anafilaxia es una reacci\u00f3n al\u00e9rgica aguda potencialmente mortal, caracterizada por un inicio\u00a0y progresi\u00f3n\u00a0r\u00e1pidos\u00a0y cuyos principales desencadenantes son los alimentos, las picaduras de insectos y los medicamentos.\u00a0\u00a0 Aunque infrecuente, el [&hellip;]<\/p>\n","protected":false},"author":120,"featured_media":41374,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":true},"tags":[],"news_categories":[216,215,205],"class_list":["post-41242","news","type-news","status-publish","has-post-thumbnail","hentry","news_categories-alergologia","news_categories-atencion-primaria","news_categories-pediatria"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factores pron\u00f3sticos de anafilaxia mortal: revisi\u00f3n sistem\u00e1tica - 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