{"id":3229,"date":"2025-07-28T15:27:35","date_gmt":"2025-07-28T15:27:35","guid":{"rendered":"https:\/\/healthscience.institute\/?p=3229"},"modified":"2025-07-29T07:27:40","modified_gmt":"2025-07-29T07:27:40","slug":"actigraphy-vs-polysomnography-sleep-research","status":"publish","type":"post","link":"https:\/\/scienceinhealth.com\/es\/2025\/07\/28\/actigraphy-vs-polysomnography-sleep-research\/","title":{"rendered":"\u00bfCu\u00e1l es la mejor manera de estudiar el manejo del sue\u00f1o? Comparando la actigraf\u00eda y la polisomnograf\u00eda en la investigaci\u00f3n sobre la melatonina"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Introducci\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si alguna vez has tomado melatonina para ayudarte a dormir, podr\u00edas preguntarte c\u00f3mo los cient\u00edficos descubren que realmente funciona. La melatonina, una neurohormona que regula el ciclo de sue\u00f1o-vigilia, se estudia com\u00fanmente y se utiliza como terapia para s\u00edntomas como problemas del sue\u00f1o, jet lag, problemas en las fases de sue\u00f1o tard\u00edas e incluso como complemento en el espectro autista o los s\u00edntomas neurodegenerativos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando se realizan estudios cient\u00edficos con melatonina, una decisi\u00f3n metodol\u00f3gica cr\u00edtica implica elegir la herramienta m\u00e1s apropiada para medir el sue\u00f1o: polisomnograf\u00eda (PSG) vs. actigraf\u00eda (ACTG).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 estamos midiendo en los estudios sobre la melatonina?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La melatonina influye:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Latencia del sue\u00f1o - Hora de quedarse dormido<\/li>\n\n\n\n<li>Eficiencia del sue\u00f1o - Porcentaje de tiempo que uno realmente duerme mientras est\u00e1 en la cama<\/li>\n\n\n\n<li>Tiempo total de sue\u00f1o - Tiempo total que uno duerme<\/li>\n\n\n\n<li>Latencia REM - Tiempo para alcanzar el sue\u00f1o (REM) despu\u00e9s de acostarse en la cama<\/li>\n\n\n\n<li>Alineamiento circadiano (DLMO - inicio de la melatonina en luz tenue) - cuando el cerebro comienza a producir melatonina en respuesta a la luz tenue<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Por lo tanto, la herramienta elegida debe capturar con precisi\u00f3n estos puntos finales, especialmente en estudios de corta duraci\u00f3n, fase 2-3. La polisomnograf\u00eda es como un chequeo completo del sue\u00f1o en el hospital, mientras que la actigraf\u00eda es como un reloj inteligente que rastrea tu sue\u00f1o en casa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Polisomnograf\u00eda (PSG): el patr\u00f3n oro<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Desventajas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Completo: registra las ondas cerebrales, el movimiento de los ojos, la actividad muscular, el ECG, el esfuerzo respiratorio, el SpO y m\u00e1s<\/li>\n\n\n\n<li>Patr\u00f3n oro para el diagn\u00f3stico de la apnea del sue\u00f1o, PLMD - Trastorno peri\u00f3dico del movimiento de los miembros, somnolencia diurna y evaluaci\u00f3n de la arquitectura REM (arquitectura del sue\u00f1o)<\/li>\n\n\n\n<li>Ideal para estudios que requieren un an\u00e1lisis detallado de la etapa del sue\u00f1o<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Contra:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Alto costo y necesita m\u00e1s recursos<\/li>\n\n\n\n<li>Requiere pernoctar en el laboratorio (sue\u00f1o artificial)<\/li>\n\n\n\n<li>Mala escalabilidad para estudios grandes o longitudinales<\/li>\n\n\n\n<li>Puede no reflejar los patrones de sue\u00f1o habituales en el hogar<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Actigraphy (ACTG): La alternativa pragm\u00e1tica<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Desventajas:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port\u00e1til, ligero y no invasivo<\/li>\n\n\n\n<li>Ideal para estudios longitudinales en entornos naturalistas<\/li>\n\n\n\n<li>Captura los patrones de sue\u00f1o habituales a lo largo de d\u00edas o semanas<\/li>\n\n\n\n<li>Rentable y escalable<\/li>\n\n\n\n<li>Aceptado por la FDA y la EMA para estudios sobre trastornos del ritmo circadiano<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Contra:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Datos inferidos del movimiento, carece de granularidad de las etapas del sue\u00f1o<\/li>\n\n\n\n<li>No se pueden detectar las fases del sue\u00f1o o los episodios respiratorios<\/li>\n\n\n\n<li>Menos preciso en usuarios con trastornos del movimiento o sue\u00f1o fragmentado<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tabla de comparaci\u00f3n<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Par\u00e1metro<\/strong><\/td><td><strong>La polisomnograf\u00eda (PSG)<\/strong><\/td><td><strong>Actigraf\u00eda<\/strong><\/td><td><strong>Ventaja<\/strong><\/td><td><strong>Caso de uso cient\u00edfico<\/strong><\/td><\/tr><tr><td>Precisi\u00f3n<\/td><td>Alto (est\u00e1ndar de oro)<\/td><td>Moderado<\/td><td>Polisomnograf\u00eda<\/td><td>Diagn\u00f3stico de apnea del sue\u00f1o, somnolencia diurna<\/td><\/tr><tr><td>Costo<\/td><td>Alto (entre 10.000 y 30.000 por noche)<\/td><td>Bajo (entre 2.000 y 5.000 por semana)<\/td><td>Actigraf\u00eda<\/td><td>Seguimiento del sue\u00f1o a largo plazo, grandes poblaciones<\/td><\/tr><tr><td>Configuraci\u00f3n<\/td><td>Complejo (requiere laboratorio y t\u00e9cnico)<\/td><td>Simple (dispositivo de mu\u00f1eca)<\/td><td>Actigraf\u00eda<\/td><td>Estudios a domicilio<\/td><\/tr><tr><td>Dato recopilado<\/td><td>Ondas cerebrales, movimiento muscular, movimiento ocular, ECG, SpO, etc.<\/td><td>Movimiento (actimetr\u00eda)<\/td><td>Polisomnograf\u00eda<\/td><td>Estudios detallados del cerebro y los pulmones<\/td><\/tr><tr><td>Comodidad del usuario<\/td><td>Bajo (entorno de laboratorio)<\/td><td>Alta (medio ambiente natural)<\/td><td>Actigraf\u00eda<\/td><td>Usuarios pedi\u00e1tricos y geri\u00e1tricos<\/td><\/tr><tr><td>Duraci\u00f3n del seguimiento<\/td><td>Duraci\u00f3n del seguimiento<\/td><td>Varios d\u00edas\/semanas<\/td><td>Actigraf\u00eda<\/td><td>Problemas de sue\u00f1o o trastornos del ritmo circadiano<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusi\u00f3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tanto la polisomnograf\u00eda como la actigraf\u00eda tienen papeles claros en los estudios cient\u00edficos que involucran a la melatonina, pero su aplicaci\u00f3n depende de los objetivos del estudio, el presupuesto y la poblaci\u00f3n usuaria. Para la mayor\u00eda de las investigaciones relacionadas con el bienestar, el ritmo circadiano o los problemas del sue\u00f1o con melatonina, la actigraf\u00eda ofrece una soluci\u00f3n pragm\u00e1tica y validada, mientras que el PSG sigue siendo esencial cuando es crucial una arquitectura detallada del sue\u00f1o. Se anima a los cl\u00ednicos e investigadores a adoptar un enfoque h\u00edbrido o por niveles, aprovechando la actigraf\u00eda para el cribado a gran escala o el monitoreo longitudinal, y reservando el PSG para confirmaci\u00f3n diagn\u00f3stica o casos complejos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>Exenci\u00f3n de responsabilidad M\u00e9dica:<\/em><\/strong><em>&nbsp;Este art\u00edculo ha sido escrito por un profesional m\u00e9dico autorizado y est\u00e1 destinado \u00fanicamente a fines informativos generales. No sustituye el asesoramiento m\u00e9dico personalizado, el diagn\u00f3stico o el tratamiento. Los lectores siempre deben buscar la orientaci\u00f3n de un proveedor de atenci\u00f3n m\u00e9dica calificado para cualquier pregunta relacionada con una condici\u00f3n m\u00e9dica u objetivos de salud. Nunca ignore o demore la b\u00fasqueda de asesoramiento m\u00e9dico basado en la informaci\u00f3n presentada aqu\u00ed.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"http:\/\/scienceinhealth.com\/es\/newsletter\/\">Suscr\u00edbase gratis para obtener art\u00edculos de salud m\u00e1s perspicaces adaptados a sus necesidades.<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Evidence from Literature<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>De Crescenzo, F., et al. (2020). The use of actigraphy in the monitoring of sleep and activity in attention problems: A meta-analysis. <em>Rese\u00f1as de la medicina del sue\u00f1o<\/em>, 50, 101247.<\/li>\n\n\n\n<li>Braam, W., et al. (2009). Exogenous melatonin for sleep problems in individuals with intellectual disability: A meta-analysis. <em>Developmental Medicine &amp; Child Neurology<\/em>, 51(5), 340\u2013349.<\/li>\n\n\n\n<li>Smith, M. T., et al. (2018). Use of actigraphy for the evaluation of sleep disorders and circadian rhythm sleep\u2013wake disorders: An AASM clinical practice guideline. <em>Journal of Clinical Sleep Medicine<\/em>, 14(7), 1231\u20131237.<\/li>\n\n\n\n<li>Ancoli-Israel, S., et al. (2003). The role of actigraphy in the study of sleep and circadian rhythms. <em>Sue\u00f1o<\/em>, 26(3), 342\u2013392.<\/li>\n\n\n\n<li>Sadeh, A., &amp; Acebo, C. (2002). The role of actigraphy in sleep medicine. <em>Rese\u00f1as de la medicina del sue\u00f1o<\/em>, 6(2), 113\u2013124.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Introduction If you\u2019ve ever taken melatonin to help with sleep, you might wonder how scientists figure out whether it&hellip;<\/p>","protected":false},"author":24,"featured_media":3232,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[12,17],"tags":[313,314],"class_list":["post-3229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mental-health","category-sleep","tag-actigraphy","tag-polysomnography"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Actigraphy vs Polysomnography: Best Tools for Sleep Research<\/title>\n<meta name=\"description\" content=\"Discover how actigraphy and polysomnography compare in melatonin research. 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