{"id":88944,"date":"2026-08-12T22:31:21","date_gmt":"2026-08-12T22:31:21","guid":{"rendered":"https:\/\/lobosnews.com.ar\/?p=88944"},"modified":"2026-08-13T04:49:06","modified_gmt":"2026-08-13T04:49:06","slug":"oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores","status":"publish","type":"post","link":"https:\/\/lobosnews.com.ar\/index.php\/2026\/08\/12\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores\/","title":{"rendered":"Ox\u00edmetro de pulso experimental preciso independientemente del tono de piel, seg\u00fan investigadores"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores.jpg\" alt=\"\" height=\"801\" width=\"1200\"\/><\/p>\n<p>MI\u00c9RCOLES, 12 DE AGOSTO DE 2026 (HealthDay News) &#8212; Los pulsox\u00edmetros se hicieron ampliamente conocidos durante la pandemia de COVID-19, ya que los m\u00e9dicos utilizaron los dispositivos de pinza para detectar si una infecci\u00f3n respiratoria estaba privando a los pacientes del ojigeno necesario.<\/p>\n<p>Pero el tono de piel afecta la eficacia de los pulsox\u00edmetros, lo que hace que sobreestimen los niveles de ox\u00edgeno en sangre de personas de tono m\u00e1s oscuro.<\/p>\n<p>Eso ya no es un problema con un nuevo tipo de pulsiox\u00edmetro, seg\u00fan investigadores de la Universidad de Tufts.<\/p>\n<p>El nuevo dispositivo puede medir con precisi\u00f3n los niveles de oje en sangre independientemente del tono de piel, la edad u otros factores que puedan interferir con sus lecturas, seg\u00fan los investigadores.<\/p>\n<p>Las pruebas han demostrado que el nuevo dispositivo &#8211;llamado ChromaSense&#8211; tiene una precisi\u00f3n entre el 1,4% y el 2,9% de los ox\u00edmetros est\u00e1ndar, seg\u00fan los investigadores.<\/p>\n<p>Los pulsox\u00edmetros tradicionales \u00ableen\u00bb los niveles de ox\u00edgeno en sangre usando luz roja e infrarroja. La sangre rica en ox\u00edgeno absorbe esos colores de forma diferente a la sangre pobre en ox\u00edgeno.<\/p>\n<p>El problema es que la luz no atraviesa la piel m\u00e1s oscura de la misma manera que la piel m\u00e1s clara. La melanina, un pigmento presente en la piel, absorbe y dispersa la luz, y en personas con piel m\u00e1s oscura el nivel de absorci\u00f3n extra puede interferir con lecturas precisas.<\/p>\n<p>El nuevo dispositivo, llamado ChromaSense, tambi\u00e9n utiliza luz, pero primero mide el tono de piel de una persona y luego ajusta su nivel de luz y su an\u00e1lisis para que coincida con el paciente.<\/p>\n<p>\u00abSi entrenas un modelo que convierte se\u00f1ales de luz en ox\u00edgeno, pulso o presi\u00f3n en sangre y no te aseguras de que el conjunto de datos con el que entrenas sea lo suficientemente diverso en cuanto a edad, raza y g\u00e9nero, puede afectar al rendimiento o la precisi\u00f3n del modelo\u00bb, dijo la investigadora Valencia Koomson en un comunicado de prensa. Es profesora asociada de ingenier\u00eda el\u00e9ctrica e inform\u00e1tica en Tufts, Medford, Massachusetts.<\/p>\n<p>Hasta un 17% de los pacientes negros pueden tener niveles peligrosamente bajos de ox\u00edgeno en sangre que los pulsox\u00edmetros tradicionales no detectan, una tasa de diagn\u00f3stico err\u00f3neo tres veces mayor que la de los pacientes blancos, seg\u00fan un estudio de 2020 del New England Journal of Medicine citado por el equipo de investigaci\u00f3n.<\/p>\n<p>\u00abUn modelo aparentemente de alto rendimiento puede parecer mucho menos impresionante una vez que se divide en grupos espec\u00edficos\u00bb, dijo Koomson.<\/p>\n<p>El dispositivo ChromaSense utiliza una caja del tama\u00f1o de un reloj unida a la mu\u00f1eca que mide la luz reflejada de la piel y el tejido, en lugar de medir solo la luz transmitida a trav\u00e9s de un dedo.<\/p>\n<p>Los investigadores est\u00e1n trabajando para perfeccionar el dispositivo y que tambi\u00e9n pueda detectar la presi\u00f3n arterial.<\/p>\n<p>Las pruebas en m\u00e1s de 2.300 pacientes adultos en UCI mostraron una precisi\u00f3n de hasta el 90% en las lecturas de presi\u00f3n arterial, seg\u00fan los investigadores.<\/p>\n<p>\u00abEl trabajo de presi\u00f3n arterial a\u00fan no est\u00e1 integrado en ChromaSense, pero el objetivo en el futuro es integrar ese modelo de aprendizaje autom\u00e1tico en el dispositivo\u00bb, dijo Koomson.<\/p>\n<p>M\u00e1s informaci\u00f3n<\/p>\n<p>El Consejo Nacional sobre el Envejecimiento tiene m\u00e1s informaci\u00f3n sobre c\u00f3mo medir los niveles de ox\u00edgeno en casa.<\/p>\n<p>FUENTE: Universidad de Tufts, comunicado de prensa, 7 de agosto de 2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MI\u00c9RCOLES, 12 DE AGOSTO DE 2026 (HealthDay News) &#8212; Los pulsox\u00edmetros se hicieron ampliamente conocidos durante la pandemia de COVID-19, ya que los m\u00e9dicos utilizaron los dispositivos de pinza para detectar si una infecci\u00f3n respiratoria estaba privando a los pacientes del ojigeno necesario. Pero el tono de piel afecta la eficacia de los pulsox\u00edmetros, lo&#8230;<\/p>\n","protected":false},"author":1,"featured_media":88947,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[81],"tags":[],"class_list":["post-88944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-150x150.jpg","medium":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-300x200.jpg","medium_large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-768x513.jpg","large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-1024x684.jpg","1536x1536":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores.jpg","2048x2048":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores.jpg","newsmatic-featured":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-820x545.jpg","newsmatic-list":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-600x400.jpg","newsmatic-thumb":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-300x200.jpg","newsmatic-small":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-150x95.jpg","newsmatic-grid":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-400x250.jpg"},"magazineBlocksPostAuthor":{"name":"admin","avatar":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":"0","magazineBlocksPostExcerpt":"MI\u00c9RCOLES, 12 DE AGOSTO DE 2026 (HealthDay News) &#8212; Los pulsox\u00edmetros se hicieron ampliamente conocidos durante la pandemia de COVID-19, ya que los m\u00e9dicos utilizaron los dispositivos de pinza para detectar si una infecci\u00f3n respiratoria estaba privando a los pacientes del ojigeno necesario. Pero el tono de piel afecta la eficacia de los pulsox\u00edmetros, lo...","magazineBlocksPostCategories":["Salud"],"magazineBlocksPostViewCount":150,"magazineBlocksPostReadTime":4,"magazine_blocks_featured_image_url":{"full":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores.jpg",1200,801,false],"medium":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-300x200.jpg",300,200,true],"thumbnail":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/08\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/lobosnews.com.ar\/index.php\/author\/lobos-news\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g","magazine_blocks_category":"<a href=\"#\" class=\"category-link category-link-81\">Salud<\/a>","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ox\u00edmetro de pulso experimental preciso independientemente del tono de piel, seg\u00fan investigadores - Lobos News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lobosnews.com.ar\/index.php\/2026\/08\/12\/oximetro-de-pulso-experimental-preciso-independientemente-del-tono-de-piel-segun-investigadores\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ox\u00edmetro de pulso experimental preciso independientemente del tono de piel, seg\u00fan investigadores - Lobos News\" \/>\n<meta property=\"og:description\" content=\"MI\u00c9RCOLES, 12 DE AGOSTO DE 2026 (HealthDay News) &#8212; Los pulsox\u00edmetros se hicieron ampliamente conocidos durante la pandemia de COVID-19, ya que los m\u00e9dicos utilizaron los dispositivos de pinza para detectar si una infecci\u00f3n respiratoria estaba privando a los pacientes del ojigeno necesario. 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