{"id":6182,"date":"2020-08-18T16:45:37","date_gmt":"2020-08-18T14:45:37","guid":{"rendered":"https:\/\/aminogram.com\/bio-impedancemetrie\/pha-angle-de-phase-et-ir-ratio-dimpedance\/"},"modified":"2026-10-28T21:21:48","modified_gmt":"2026-10-28T20:21:48","slug":"pha-angle-de-phase-et-ir-ratio-dimpedance","status":"publish","type":"page","link":"https:\/\/aminogram.com\/es\/pha-angle-de-phase-et-ir-ratio-dimpedance\/","title":{"rendered":"PhA (\u00c1ngulo de fase) y IR (Ratio de impedancia)"},"content":{"rendered":"<main id='oxy-main'><section class=\"oxy-container-6182-1093 oxy-container section clinic art\"><div class=\"oxy-container-6182-1092 oxy-container wrap clinic-grid\"><div class=\"oxy-container-6182-1069 oxy-container clinic-main art-main\"><div class=\"oxy-shortcode-6182-1094 oxy-shortcode crumbs\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p class=\"crumbs-line\"><span class=\"last\">Inicio<\/span><\/p><\/nav><\/div><h1 class=\"oxy-text-6182-764 oxy-text art-title\">\nPhA (\u00c1ngulo de fase) e IR (Ratio de impedancia)\n<\/h1><div class=\"oxy-container-6182-1103 oxy-container post-excerpt\"><p class=\"oxy-text-6182-1116 oxy-text\">\nEl <a href=\"https:\/\/aminogram.com\/es\/el-angulo-de-fase-que-es-y-por-que-se-esta-volviendo-necesario\/\">\u00e1ngulo de fase (PhA)<\/a> y el ratio de impedancia (IR) son dos valores bioel\u00e9ctricos brutos que se obtienen mediante <a href=\"https:\/\/aminogram.com\/es\/bioimpedancia\/\">bioimpedancia<\/a>. El PhA refleja la integridad de las membranas celulares: cuanto m\u00e1s alto, mejor estado de salud. En adultos oscila entre 4,2\u00b0 y 8,5\u00b0 seg\u00fan sexo, edad e IMC. El ratio de impedancia (Z200\/Z5) refleja la inflamaci\u00f3n: se sit\u00faa habitualmente entre 0,75 y 0,80 en hombres y entre 0,77 y 0,82 en mujeres.\n<\/p><\/div><div class=\"oxy-container-6182-773 oxy-container rich art-text\"><p class=\"oxy-text-6182-765 oxy-text\">\nAdem\u00e1s de la composici\u00f3n corporal, el an\u00e1lisis de bioimpedancia proporciona <a href=\"https:\/\/aminogram.com\/es\/bioimpedancia\/marqueurs-biologiques\/\">valores bioel\u00e9ctricos brutos<\/a>, incluyendo el \u00e1ngulo de fase y el ratio de impedancia, los cuales son muy \u00fatiles en la pr\u00e1ctica diaria de los profesionales de la salud.\n<\/p><h2 class=\"oxy-text-6182-766 oxy-text art-h2\" id=\"el-angulo-de-fase-pha\">\n\u00c1ngulo de fase (PhA): definici\u00f3n y medici\u00f3n\n<\/h2><p class=\"oxy-text-6182-767 oxy-text\">\nEl \u00e1ngulo de fase (PhA) es un valor bioel\u00e9ctrico bruto medido por dispositivos de an\u00e1lisis de bioimpedancia de dos formas:\n<\/p><ul class=\"oxy-container-6182-772 oxy-container\"><li class=\"oxy-container-6182-769 oxy-container\"><div class=\"oxy-text-6182-768 oxy-text\">\ndirectamente como la diferencia entre las curvas de voltaje y corriente (Fig. 1A).\n<\/div><\/li><li class=\"oxy-container-6182-771 oxy-container\"><div class=\"oxy-text-6182-770 oxy-text\">\na partir de la resistencia (R) y la reactancia (Xc) mediante el c\u00e1lculo: arctan(X<sub>c<\/sub>\/R) \u00d7 (180\/\u03c0) (Fig. 1B).\n<\/div><\/li><\/ul><\/div><div class=\"oxy-container-6182-782 oxy-container art-cols art-cols--2\"><div class=\"oxy-container-6182-777 oxy-container art-col\"><div class=\"oxy-text-6182-774 oxy-text art-h5\">\n<strong>A<\/strong>\n<\/div><figure class=\"oxy-container-6182-776 oxy-container art-fig\"><img decoding=\"async\" class=\"oxy-image-6182-775 oxy-image art-col-img\" src=\"https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-1.png\" alt=\"Figura 1A \u2014 Medici\u00f3n directa del \u00e1ngulo de fase a partir de las curvas de voltaje y corriente\" loading=\"lazy\" srcset=\"https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-1.png 600w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-1-300x149.png 300w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-1-280x139.png 280w\" sizes=\"(max-width: 600px) 100vw, 600px\"><\/figure><\/div><div class=\"oxy-container-6182-781 oxy-container art-col\"><div class=\"oxy-text-6182-778 oxy-text art-h5\">\n<strong>B<\/strong>\n<\/div><figure class=\"oxy-container-6182-780 oxy-container art-fig\"><img decoding=\"async\" class=\"oxy-image-6182-779 oxy-image art-col-img\" src=\"https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2.png\" alt=\"Figura 1B \u2014 C\u00e1lculo del \u00e1ngulo de fase a partir de la resistencia (R) y la reactancia (Xc)\" loading=\"lazy\" srcset=\"https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2.png 1200w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2-300x123.png 300w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2-1024x419.png 1024w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2-768x314.png 768w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2-280x115.png 280w, https:\/\/aminogram.com\/wp-content\/uploads\/2020\/09\/grafica-angle-de-phase-2-600x246.png 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"><\/figure><\/div><\/div><div class=\"oxy-container-6182-832 oxy-container rich art-text\"><p class=\"oxy-text-6182-783 oxy-text\">\n<em><u>Figura 1 :<\/u><\/em> Determinaci\u00f3n del \u00e1ngulo de fase por medici\u00f3n directa (A) o a partir de la resistencia y la reactancia (B). P\u00e9riode: Periodo; Imp\u00e9dance: impedancia; Angle de phase: \u00e1ngulo de fase; Donn\u00e9es brutes: datos brutos; Mod\u00e8le math\u00e9matique: modelo matem\u00e1tico; Centre de demi-cercle: centro del semic\u00edrculo.\n<\/p><p class=\"oxy-text-6182-784 oxy-text\">\nLa resistencia R est\u00e1 relacionada con la hidrataci\u00f3n del tejido, mientras que la reactancia Xc est\u00e1 vinculada a la integridad de la membrana celular, y estos dos par\u00e1metros forman la impedancia Z. Como resultado, el valor de PhA ser\u00e1 alterado por procesos fisiol\u00f3gicos y patol\u00f3gicos que pueden cambiar el estado de hidrataci\u00f3n y\/o la integridad de la membrana celular. M\u00e1s espec\u00edficamente, valores altos de hidrataci\u00f3n estar\u00e1n asociados con una disminuci\u00f3n en la resistencia y una alta reactancia est\u00e1 relacionada con una excelente integridad de la membrana, lo que se representar\u00e1 por un valor alto de PhA. Por el contrario, cuando la hidrataci\u00f3n disminuye y\/o la integridad celular est\u00e1 alterada, el valor de PhA disminuye y puede alcanzar valores cr\u00edticos, especialmente en patolog\u00edas cr\u00f3nicas.\n<\/p><h3 class=\"oxy-text-6182-1095 oxy-text art-h3\">\nQu\u00e9 hace variar el \u00e1ngulo de fase\n<\/h3><p class=\"oxy-text-6182-785 oxy-text\">\nDe hecho, la inflamaci\u00f3n, la patolog\u00eda cr\u00f3nica, la desnutrici\u00f3n o un estilo de vida desequilibrado pueden alterar las propiedades el\u00e9ctricas de los tejidos y, como resultado, causar una disminuci\u00f3n en el \u00e1ngulo de fase. Por el contrario, un valor de PhA m\u00e1s alto sugiere una alta masa celular corporal con una gran cantidad de membranas celulares intactas, lo que est\u00e1 asociado con un excelente estado de salud.\n<\/p><p class=\"oxy-text-6182-786 oxy-text\">\nDesde un punto de vista fisiol\u00f3gico, PhA depende del sexo, la edad, el \u00edndice de masa corporal, el estado nutricional y la presencia de procesos patol\u00f3gicos que influyen en la hidrataci\u00f3n, la nutrici\u00f3n o la conformaci\u00f3n del tejido. Por ejemplo:\n<\/p><ul class=\"oxy-container-6182-793 oxy-container\"><li class=\"oxy-container-6182-788 oxy-container\"><div class=\"oxy-text-6182-787 oxy-text\">\nEl valor de PhA es menor en las mujeres que en los hombres, lo que puede explicarse por su menor masa celular, pero esto no significa que est\u00e9n en peor estado de salud.\n<\/div><\/li><li class=\"oxy-container-6182-790 oxy-container\"><div class=\"oxy-text-6182-789 oxy-text\">\nLos atletas que han desarrollado una masa muscular esquel\u00e9tica significativa tendr\u00e1n valores de PhA m\u00e1s altos que personas no entrenadas del mismo sexo.\n<\/div><\/li><li class=\"oxy-container-6182-792 oxy-container\"><div class=\"oxy-text-6182-791 oxy-text\">\nA partir de los 60 a\u00f1os, PhA comienza a disminuir progresivamente con el envejecimiento celular.\n<\/div><\/li><\/ul><p class=\"oxy-text-6182-794 oxy-text\">\nAdem\u00e1s, PhA se puede utilizar como biomarcador pron\u00f3stico de la composici\u00f3n corporal en adultos sanos y del riesgo cardiovascular en varias poblaciones. Tambi\u00e9n se utiliza como biomarcador pron\u00f3stico de supervivencia en muchas enfermedades cr\u00f3nicas.\n<\/p><h3 class=\"oxy-text-6182-1096 oxy-text art-h3\">\nEl PhA como biomarcador pron\u00f3stico\n<\/h3><ul class=\"oxy-container-6182-829 oxy-container\"><li class=\"oxy-container-6182-796 oxy-container\"><div class=\"oxy-text-6182-795 oxy-text\">\nEnfermedades cr\u00f3nicas degenerativas (8-10)\n<\/div><\/li><li class=\"oxy-container-6182-798 oxy-container\"><div class=\"oxy-text-6182-797 oxy-text\">\nSobrepeso y obesidad (11,12)\n<\/div><\/li><li class=\"oxy-container-6182-800 oxy-container\"><div class=\"oxy-text-6182-799 oxy-text\">\nEnfermedad renal cr\u00f3nica (13)\n<\/div><\/li><li class=\"oxy-container-6182-802 oxy-container\"><div class=\"oxy-text-6182-801 oxy-text\">\nCirrosis hep\u00e1tica (14) as\u00ed como otras enfermedades hep\u00e1ticas (15)\n<\/div><\/li><li class=\"oxy-container-6182-804 oxy-container\"><div class=\"oxy-text-6182-803 oxy-text\">\nC\u00e1ncer (16-18)\n<\/div><\/li><li class=\"oxy-container-6182-806 oxy-container\"><div class=\"oxy-text-6182-805 oxy-text\">\nEsclerosis sist\u00e9mica (19)\n<\/div><\/li><li class=\"oxy-container-6182-808 oxy-container\"><div class=\"oxy-text-6182-807 oxy-text\">\nDesnutrici\u00f3n (20,21)\n<\/div><\/li><li class=\"oxy-container-6182-810 oxy-container\"><div class=\"oxy-text-6182-809 oxy-text\">\nSarcopenia (22,23)\n<\/div><\/li><li class=\"oxy-container-6182-812 oxy-container\"><div class=\"oxy-text-6182-811 oxy-text\">\nArtritis reumatoide (24)\n<\/div><\/li><li class=\"oxy-container-6182-814 oxy-container\"><div class=\"oxy-text-6182-813 oxy-text\">\nFragilidad en ancianos (25,26)\n<\/div><\/li><li class=\"oxy-container-6182-816 oxy-container\"><div class=\"oxy-text-6182-815 oxy-text\">\nPacientes en la unidad de cuidados intensivos (27)\n<\/div><\/li><li class=\"oxy-container-6182-818 oxy-container\"><div class=\"oxy-text-6182-817 oxy-text\">\nComo herramienta de detecci\u00f3n para el manejo nutricional en hospitales (28)\n<\/div><\/li><li class=\"oxy-container-6182-820 oxy-container\"><div class=\"oxy-text-6182-819 oxy-text\">\nAnorexia nerviosa (29)\n<\/div><\/li><li class=\"oxy-container-6182-822 oxy-container\"><div class=\"oxy-text-6182-821 oxy-text\">\nSIDA (30)\n<\/div><\/li><li class=\"oxy-container-6182-824 oxy-container\"><div class=\"oxy-text-6182-823 oxy-text\">\nCovid-19 (31)\n<\/div><\/li><li class=\"oxy-container-6182-826 oxy-container\"><div class=\"oxy-text-6182-825 oxy-text\">\nEn ni\u00f1os (32)\n<\/div><\/li><li class=\"oxy-container-6182-828 oxy-container\"><div class=\"oxy-text-6182-827 oxy-text\">\nEn pacientes sometidos a cirug\u00eda (33)\n<\/div><\/li><\/ul><p class=\"oxy-text-6182-830 oxy-text\">\nEn sujetos sanos y atletas, tambi\u00e9n se ha utilizado como biomarcador pron\u00f3stico de la masa celular corporal (28), de la potencia muscular (34) y de la fuerza (35), para evaluar la composici\u00f3n corporal de j\u00f3venes atletas (36) o medir el rendimiento deportivo (37).\n<\/p><p class=\"oxy-text-6182-831 oxy-text\">\nEn conclusi\u00f3n, PhA es un par\u00e1metro interesante para monitorear el estado de salud de las personas con el tiempo, ya sean saludables o con una patolog\u00eda cr\u00f3nica, pero a\u00fan es necesario conocer los valores de referencia para PhA. A partir de los datos poblacionales publicados por Bosy-Westphal et al., se pueden obtener valores de referencia que se enumeran en las tablas a continuaci\u00f3n:\n<\/p><\/div><h2 class=\"oxy-text-6182-833 oxy-text art-h2\" id=\"biody-xpertzm-y-biody-xpertzm3\">\nValores de referencia del PhA <a href=\"https:\/\/aminogram.com\/es\/biody-xpert-zm3\/\">Biody Xpert<sup>ZM<\/sup> y Biody Xpert<sup>ZM<\/sup>3<\/a>\n<\/h2><div class=\"oxy-container-6182-901 oxy-container rich art-text\"><h3 class=\"oxy-text-6182-834 oxy-text art-h3\">\nHombres\n<\/h3><table class=\"oxy-container-6182-856 oxy-container ref-table\"><caption class=\"oxy-text-6182-1104 oxy-text sr-only\">\nHombres \u2014 IMC 18,5-25: valores de referencia del PhA (Bosy-Westphal et al., 2006)\n<\/caption><thead class=\"oxy-container-6182-1105 oxy-container\"><tr class=\"oxy-container-6182-839 oxy-container\"><th class=\"oxy-text-6182-835 oxy-text\" scope=\"col\">\nIMC 18,5-25\n<\/th><th class=\"oxy-text-6182-836 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-837 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-838 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-855 oxy-container\"><tr class=\"oxy-container-6182-844 oxy-container\"><td class=\"oxy-text-6182-840 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-841 oxy-text ref-low\">\n6,05\n<\/td><td class=\"oxy-text-6182-842 oxy-text ref-mid\">\n6,05 \u2013 6,86\n<\/td><td class=\"oxy-text-6182-843 oxy-text ref-ok\">\n6,86 \u2013 8,30\n<\/td><\/tr><tr class=\"oxy-container-6182-849 oxy-container\"><td class=\"oxy-text-6182-845 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-846 oxy-text ref-low\">\n5,73\n<\/td><td class=\"oxy-text-6182-847 oxy-text ref-mid\">\n5,37 \u2013 6,63\n<\/td><td class=\"oxy-text-6182-848 oxy-text ref-ok\">\n6,63 \u2013 8,03\n<\/td><\/tr><tr class=\"oxy-container-6182-854 oxy-container\"><td class=\"oxy-text-6182-850 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-851 oxy-text ref-low\">\n4,30\n<\/td><td class=\"oxy-text-6182-852 oxy-text ref-mid\">\n4,30 \u2013 5,53\n<\/td><td class=\"oxy-text-6182-853 oxy-text ref-ok\">\n5,53 \u2013 7,17\n<\/td><\/tr><\/tbody><\/table><table class=\"oxy-container-6182-878 oxy-container ref-table\"><caption class=\"oxy-text-6182-1106 oxy-text sr-only\">\nHombres \u2014 IMC 25-30: valores de referencia del PhA\n<\/caption><thead class=\"oxy-container-6182-1107 oxy-container\"><tr class=\"oxy-container-6182-861 oxy-container\"><th class=\"oxy-text-6182-857 oxy-text\" scope=\"col\">\nIMC 25-30\n<\/th><th class=\"oxy-text-6182-858 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-859 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-860 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-877 oxy-container\"><tr class=\"oxy-container-6182-866 oxy-container\"><td class=\"oxy-text-6182-862 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-863 oxy-text ref-low\">\n6,32\n<\/td><td class=\"oxy-text-6182-864 oxy-text ref-mid\">\n6,32 \u2013 7,08\n<\/td><td class=\"oxy-text-6182-865 oxy-text ref-ok\">\n7,08 \u2013 8,48\n<\/td><\/tr><tr class=\"oxy-container-6182-871 oxy-container\"><td class=\"oxy-text-6182-867 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-868 oxy-text ref-low\">\n5,94\n<\/td><td class=\"oxy-text-6182-869 oxy-text ref-mid\">\n5,94 \u2013 6,92\n<\/td><td class=\"oxy-text-6182-870 oxy-text ref-ok\">\n6,92 \u2013 8,30\n<\/td><\/tr><tr class=\"oxy-container-6182-876 oxy-container\"><td class=\"oxy-text-6182-872 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-873 oxy-text ref-low\">\n4,77\n<\/td><td class=\"oxy-text-6182-874 oxy-text ref-mid\">\n4,77 \u2013 5,86\n<\/td><td class=\"oxy-text-6182-875 oxy-text ref-ok\">\n5,86 \u2013 7,36\n<\/td><\/tr><\/tbody><\/table><table class=\"oxy-container-6182-900 oxy-container ref-table\"><caption class=\"oxy-text-6182-1108 oxy-text sr-only\">\nHombres \u2014 IMC > 30: valores de referencia del PhA\n<\/caption><thead class=\"oxy-container-6182-1109 oxy-container\"><tr class=\"oxy-container-6182-883 oxy-container\"><th class=\"oxy-text-6182-879 oxy-text\" scope=\"col\">\nIMC &gt;30\n<\/th><th class=\"oxy-text-6182-880 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-881 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-882 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-899 oxy-container\"><tr class=\"oxy-container-6182-888 oxy-container\"><td class=\"oxy-text-6182-884 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-885 oxy-text ref-low\">\n6,07\n<\/td><td class=\"oxy-text-6182-886 oxy-text ref-mid\">\n6,07 \u2013 7,01\n<\/td><td class=\"oxy-text-6182-887 oxy-text ref-ok\">\n7,01 \u2013 8,43\n<\/td><\/tr><tr class=\"oxy-container-6182-893 oxy-container\"><td class=\"oxy-text-6182-889 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-890 oxy-text ref-low\">\n6,19\n<\/td><td class=\"oxy-text-6182-891 oxy-text ref-mid\">\n6,19 \u2013 6,91\n<\/td><td class=\"oxy-text-6182-892 oxy-text ref-ok\">\n6,91 \u2013 8,35\n<\/td><\/tr><tr class=\"oxy-container-6182-898 oxy-container\"><td class=\"oxy-text-6182-894 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-895 oxy-text ref-low\">\n4,82\n<\/td><td class=\"oxy-text-6182-896 oxy-text ref-mid\">\n4,82 \u2013 5,87\n<\/td><td class=\"oxy-text-6182-897 oxy-text ref-ok\">\n5,87 \u2013 7,39\n<\/td><\/tr><\/tbody><\/table><\/div><div class=\"oxy-container-6182-969 oxy-container rich art-text\"><h3 class=\"oxy-text-6182-902 oxy-text art-h3\">\nMujeres\n<\/h3><table class=\"oxy-container-6182-924 oxy-container ref-table\"><caption class=\"oxy-text-6182-1110 oxy-text sr-only\">\nMujeres \u2014 IMC 18,5-25: valores de referencia del PhA\n<\/caption><thead class=\"oxy-container-6182-1111 oxy-container\"><tr class=\"oxy-container-6182-907 oxy-container\"><th class=\"oxy-text-6182-903 oxy-text\" scope=\"col\">\nIMC 18,5-25\n<\/th><th class=\"oxy-text-6182-904 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-905 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-906 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-923 oxy-container\"><tr class=\"oxy-container-6182-912 oxy-container\"><td class=\"oxy-text-6182-908 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-909 oxy-text ref-low\">\n4,73\n<\/td><td class=\"oxy-text-6182-910 oxy-text ref-mid\">\n4,73 \u2013 5,80\n<\/td><td class=\"oxy-text-6182-911 oxy-text ref-ok\">\n5,80 \u2013 7,16\n<\/td><\/tr><tr class=\"oxy-container-6182-917 oxy-container\"><td class=\"oxy-text-6182-913 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-914 oxy-text ref-low\">\n5,14\n<\/td><td class=\"oxy-text-6182-915 oxy-text ref-mid\">\n5,14 \u2013 5,96\n<\/td><td class=\"oxy-text-6182-916 oxy-text ref-ok\">\n5,96 \u2013 7,30\n<\/td><\/tr><tr class=\"oxy-container-6182-922 oxy-container\"><td class=\"oxy-text-6182-918 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-919 oxy-text ref-low\">\n4,23\n<\/td><td class=\"oxy-text-6182-920 oxy-text ref-mid\">\n4,23 \u2013 5,28\n<\/td><td class=\"oxy-text-6182-921 oxy-text ref-ok\">\n5,28 \u2013 6,84\n<\/td><\/tr><\/tbody><\/table><table class=\"oxy-container-6182-946 oxy-container ref-table\"><caption class=\"oxy-text-6182-1112 oxy-text sr-only\">\nMujeres \u2014 IMC 25-30: valores de referencia del PhA\n<\/caption><thead class=\"oxy-container-6182-1113 oxy-container\"><tr class=\"oxy-container-6182-929 oxy-container\"><th class=\"oxy-text-6182-925 oxy-text\" scope=\"col\">\nIMC 25-30\n<\/th><th class=\"oxy-text-6182-926 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-927 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-928 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-945 oxy-container\"><tr class=\"oxy-container-6182-934 oxy-container\"><td class=\"oxy-text-6182-930 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-931 oxy-text ref-low\">\n5,33\n<\/td><td class=\"oxy-text-6182-932 oxy-text ref-mid\">\n5,33 \u2013 6,03\n<\/td><td class=\"oxy-text-6182-933 oxy-text ref-ok\">\n6,03 \u2013 7,39\n<\/td><\/tr><tr class=\"oxy-container-6182-939 oxy-container\"><td class=\"oxy-text-6182-935 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-936 oxy-text ref-low\">\n5,29\n<\/td><td class=\"oxy-text-6182-937 oxy-text ref-mid\">\n5,29 \u2013 6,12\n<\/td><td class=\"oxy-text-6182-938 oxy-text ref-ok\">\n6,12 \u2013 7,46\n<\/td><\/tr><tr class=\"oxy-container-6182-944 oxy-container\"><td class=\"oxy-text-6182-940 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-941 oxy-text ref-low\">\n4,47\n<\/td><td class=\"oxy-text-6182-942 oxy-text ref-mid\">\n4,47 \u2013 5,43\n<\/td><td class=\"oxy-text-6182-943 oxy-text ref-ok\">\n5,43 \u2013 6,87\n<\/td><\/tr><\/tbody><\/table><table class=\"oxy-container-6182-968 oxy-container ref-table\"><caption class=\"oxy-text-6182-1114 oxy-text sr-only\">\nMujeres \u2014 IMC > 30: valores de referencia del PhA\n<\/caption><thead class=\"oxy-container-6182-1115 oxy-container\"><tr class=\"oxy-container-6182-951 oxy-container\"><th class=\"oxy-text-6182-947 oxy-text\" scope=\"col\">\nIMC &gt;30\n<\/th><th class=\"oxy-text-6182-948 oxy-text ref-low\" scope=\"col\">\nL\u00edmites inferiores\n<\/th><th class=\"oxy-text-6182-949 oxy-text ref-mid\" scope=\"col\">\nEstado de vulnerabilidad\n<\/th><th class=\"oxy-text-6182-950 oxy-text ref-ok\" scope=\"col\">\nValores normales\n<\/th><\/tr><\/thead><tbody class=\"oxy-container-6182-967 oxy-container\"><tr class=\"oxy-container-6182-956 oxy-container\"><td class=\"oxy-text-6182-952 oxy-text\">\n18-29 a\u00f1os\n<\/td><td class=\"oxy-text-6182-953 oxy-text ref-low\">\n5,41\n<\/td><td class=\"oxy-text-6182-954 oxy-text ref-mid\">\n5,41 \u2013 6,12\n<\/td><td class=\"oxy-text-6182-955 oxy-text ref-ok\">\n6,12 \u2013 7,48\n<\/td><\/tr><tr class=\"oxy-container-6182-961 oxy-container\"><td class=\"oxy-text-6182-957 oxy-text\">\n30-59 a\u00f1os\n<\/td><td class=\"oxy-text-6182-958 oxy-text ref-low\">\n5,45\n<\/td><td class=\"oxy-text-6182-959 oxy-text ref-mid\">\n5,45 \u2013 6,21\n<\/td><td class=\"oxy-text-6182-960 oxy-text ref-ok\">\n6,21 \u2013 7,55\n<\/td><\/tr><tr class=\"oxy-container-6182-966 oxy-container\"><td class=\"oxy-text-6182-962 oxy-text\">\n\u2265 60 a\u00f1os\n<\/td><td class=\"oxy-text-6182-963 oxy-text ref-low\">\n4,51\n<\/td><td class=\"oxy-text-6182-964 oxy-text ref-mid\">\n4,51 \u2013 5,45\n<\/td><td class=\"oxy-text-6182-965 oxy-text ref-ok\">\n5,45 \u2013 6,91\n<\/td><\/tr><\/tbody><\/table><\/div><h2 class=\"oxy-text-6182-970 oxy-text art-h2\" id=\"ri-secc\">\nRatio de impedancia\n<\/h2><div class=\"oxy-container-6182-972 oxy-container rich art-text\"><p class=\"oxy-text-6182-971 oxy-text\">\nEl ratio de impedancia se define como la relaci\u00f3n entre la impedancia <a href=\"https:\/\/aminogram.com\/es\/biody-b-i-s\/\">medida a 200 kHz<\/a> (Z200) y la medida a 5 kHz (Z5). Estas frecuencias fueron elegidas debido a las caracter\u00edsticas particulares de la membrana celular. Las corrientes con frecuencias por debajo de 7 kHz no son capaces de atravesar la membrana celular y, por lo tanto, de penetrar en el espacio intracelular, por lo que estas corrientes solo son sensibles a la composici\u00f3n del compartimento extracelular. Por el contrario, a 200 kHz, la corriente puede atravesar la membrana celular y, por lo tanto, ser\u00e1 sensible a la composici\u00f3n del cuerpo en su conjunto.\n<\/p><\/div><figure class=\"oxy-container-6182-974 oxy-container art-fig\"><img decoding=\"async\" class=\"oxy-image-6182-973 oxy-image art-img\" src=\"https:\/\/aminogram.com\/wp-content\/uploads\/2024\/02\/Figura-2.jpg\" alt=\"Figura 2 \u2014 Propagaci\u00f3n de la corriente seg\u00fan la frecuencia: 5 kHz (espacio extracelular) y 200 kHz (espacio intra y extracelular)\" loading=\"lazy\" srcset=\"https:\/\/aminogram.com\/wp-content\/uploads\/2024\/02\/Figura-2.jpg 761w, https:\/\/aminogram.com\/wp-content\/uploads\/2024\/02\/Figura-2-300x187.jpg 300w, https:\/\/aminogram.com\/wp-content\/uploads\/2024\/02\/Figura-2-280x174.jpg 280w\" sizes=\"(max-width: 761px) 100vw, 761px\"><\/figure><div class=\"oxy-container-6182-984 oxy-container rich art-text\"><p class=\"oxy-text-6182-975 oxy-text\">\n<em><u>Figura 2 :<\/u><\/em> Diagrama que muestra la propagaci\u00f3n de corriente en funci\u00f3n de la frecuencia dentro del espacio celular (Extra\u00eddo de Moonen et al. 2021, DOI: 10.1097\/MCC.0000000000000840).\n<\/p><p class=\"oxy-text-6182-976 oxy-text\">\nEsta especificidad significa que el ratio de impedancia es sensible a la distribuci\u00f3n de agua entre el compartimento intra y extracelular, particularmente en situaciones como la inflamaci\u00f3n. La inflamaci\u00f3n est\u00e1 asociada con una degradaci\u00f3n de la membrana celular, lo que resulta en un traslado de agua intracelular al espacio intersticial, lo que modificar\u00e1 la impedancia a 200 y 5 kHz. M\u00e1s precisamente, a medida que la c\u00e9lula est\u00e1 menos hidratada, la impedancia a 200 kHz aumentar\u00e1, mientras que el espacio extracelular m\u00e1s hidratado disminuir\u00e1 la impedancia a 5 kHz. Matem\u00e1ticamente, por lo tanto, el ratio de impedancia ser\u00e1 mayor cuando el individuo est\u00e9 en un estado inflamatorio, lo que ha sido verificado por la correlaci\u00f3n positiva entre este par\u00e1metro y la PCR, un biomarcador de inflamaci\u00f3n.\n<\/p><p class=\"oxy-text-6182-977 oxy-text\">\nActualmente no existen valores de referencia publicados para este par\u00e1metro en la literatura cient\u00edfica, pero emp\u00edricamente parece que por encima de <strong>0,80<\/strong> para hombres y <strong>0,82<\/strong> para mujeres, hay un estado inflamatorio de bajo grado en el individuo. Si el estado inflamatorio empeora, el ratio de impedancia aumentar\u00e1, mientras que, inversamente, si la inflamaci\u00f3n disminuye, el ratio de impedancia disminuir\u00e1.\n<\/p><h3 class=\"oxy-text-6182-1097 oxy-text art-h3\">\nValores habituales del ratio de impedancia\n<\/h3><p class=\"oxy-text-6182-1098 oxy-text\">\nGeneralmente, los valores normales son:\n<\/p><ul class=\"oxy-container-6182-982 oxy-container\"><li class=\"oxy-container-6182-979 oxy-container\"><div class=\"oxy-text-6182-978 oxy-text\">\nEntre 0,75 y 0,80 en hombres, pero se pueden encontrar valores m\u00e1s bajos en individuos deportistas.\n<\/div><\/li><li class=\"oxy-container-6182-981 oxy-container\"><div class=\"oxy-text-6182-980 oxy-text\">\nEntre 0,77 y 0,82 en mujeres, pero tambi\u00e9n se pueden observar valores m\u00e1s bajos en mujeres deportistas.\n<\/div><\/li><\/ul><h3 class=\"oxy-text-6182-1099 oxy-text art-h3\">\nPhA e IR: dos par\u00e1metros inversos\n<\/h3><p class=\"oxy-text-6182-983 oxy-text\">\nInteresantemente, hay una relaci\u00f3n inversa significativa entre el \u00e1ngulo de fase y el ratio de impedancia, por lo que cuando un individuo est\u00e1 en buena salud, su \u00e1ngulo de fase ser\u00e1 alto y su ratio de impedancia bajo. Por el contrario, cuando el estado de salud de un individuo empeora, el valor del \u00e1ngulo de fase disminuir\u00e1 y el del ratio de impedancia aumentar\u00e1, generalmente causado por un aumento del estr\u00e9s oxidativo e inflamaci\u00f3n. Por el contrario, cuando el estado de salud del paciente mejora, el \u00e1ngulo de fase y el ratio de impedancia volver\u00e1n a sus valores normales. Por lo tanto, son dos par\u00e1metros de inter\u00e9s para monitorear el estado de salud de un individuo.\n<\/p><\/div><h2 class=\"oxy-text-6182-985 oxy-text art-h2\" id=\"conclusion\">\nConclusi\u00f3n\n<\/h2><div class=\"oxy-container-6182-987 oxy-container rich art-text\"><p class=\"oxy-text-6182-986 oxy-text\">\nEl \u00e1ngulo de fase y el ratio de impedancia son dos valores brutos de bioimpedanciometr\u00eda vinculados a la integridad de la membrana y al estado inflamatorio, respectivamente. Su principal beneficio radica en que pueden utilizarse para monitorear el estado de salud general de los individuos de manera r\u00e1pida, econ\u00f3mica y no invasiva, tanto para la prevenci\u00f3n o manejo de patolog\u00edas cr\u00f3nicas como para atletas durante el entrenamiento.\n<\/p><\/div><h2 class=\"oxy-text-6182-1117 oxy-text art-h2\" id=\"preguntas-frecuentes\">\nPreguntas frecuentes sobre el \u00e1ngulo de fase y el ratio de impedancia\n<\/h2><div class=\"oxy-container-6182-1143 oxy-container faq art-faq\"><details class=\"oxy-container-6182-1122 oxy-container faq-item\"><summary class=\"oxy-container-6182-1119 oxy-container faq-q\"><span class=\"oxy-text-6182-1118 oxy-text faq-q-text\">\n\u00bfCu\u00e1l es el valor normal del \u00e1ngulo de fase?\n<\/span><\/summary><div class=\"oxy-container-6182-1121 oxy-container faq-a\"><p class=\"oxy-text-6182-1120 oxy-text\">\nEn adultos, el PhA normal oscila entre 4,2\u00b0 y 8,5\u00b0 seg\u00fan sexo, edad e IMC. Las tablas de esta p\u00e1gina recogen los valores de referencia publicados por Bosy-Westphal et al. (2006) para los equipos Biody Xpert ZM y Biody Xpert ZM 3: un hombre de 18 a 29 a\u00f1os con IMC entre 18,5 y 25 se sit\u00faa normalmente entre 6,86\u00b0 y 8,30\u00b0.\n<\/p><\/div><\/details><details class=\"oxy-container-6182-1127 oxy-container faq-item\"><summary class=\"oxy-container-6182-1124 oxy-container faq-q\"><span class=\"oxy-text-6182-1123 oxy-text faq-q-text\">\n\u00bfC\u00f3mo se obtiene el \u00e1ngulo de fase?\n<\/span><\/summary><div class=\"oxy-container-6182-1126 oxy-container faq-a\"><p class=\"oxy-text-6182-1125 oxy-text\">\nDe dos formas: directamente, como diferencia entre las curvas de voltaje y corriente, o mediante c\u00e1lculo a partir de la resistencia (R) y la reactancia (Xc), con la f\u00f3rmula arctan(Xc\/R) \u00d7 (180\/\u03c0).\n<\/p><\/div><\/details><details class=\"oxy-container-6182-1132 oxy-container faq-item\"><summary class=\"oxy-container-6182-1129 oxy-container faq-q\"><span class=\"oxy-text-6182-1128 oxy-text faq-q-text\">\n\u00bfQu\u00e9 es el ratio de impedancia?\n<\/span><\/summary><div class=\"oxy-container-6182-1131 oxy-container faq-a\"><p class=\"oxy-text-6182-1130 oxy-text\">\nEs la relaci\u00f3n entre la impedancia medida a 200 kHz (Z200) y la medida a 5 kHz (Z5). Refleja la distribuci\u00f3n del agua entre los espacios intra y extracelular y aumenta cuando hay inflamaci\u00f3n.\n<\/p><\/div><\/details><details class=\"oxy-container-6182-1137 oxy-container faq-item\"><summary class=\"oxy-container-6182-1134 oxy-container faq-q\"><span class=\"oxy-text-6182-1133 oxy-text faq-q-text\">\n\u00bfCu\u00e1l es el valor normal del ratio de impedancia?\n<\/span><\/summary><div class=\"oxy-container-6182-1136 oxy-container faq-a\"><p class=\"oxy-text-6182-1135 oxy-text\">\nNo existen valores de referencia publicados en la literatura cient\u00edfica. De forma emp\u00edrica, el ratio se sit\u00faa entre 0,75 y 0,80 en hombres y entre 0,77 y 0,82 en mujeres. Por encima de 0,80 en hombres o de 0,82 en mujeres se considera un estado inflamatorio de bajo grado; en deportistas pueden observarse valores m\u00e1s bajos.\n<\/p><\/div><\/details><details class=\"oxy-container-6182-1142 oxy-container faq-item\"><summary class=\"oxy-container-6182-1139 oxy-container faq-q\"><span class=\"oxy-text-6182-1138 oxy-text faq-q-text\">\n\u00bfPor qu\u00e9 disminuye el \u00e1ngulo de fase?\n<\/span><\/summary><div class=\"oxy-container-6182-1141 oxy-container faq-a\"><p class=\"oxy-text-6182-1140 oxy-text\">\nEl PhA baja cuando se altera la hidrataci\u00f3n o la integridad de las membranas celulares: inflamaci\u00f3n, patolog\u00eda cr\u00f3nica, desnutrici\u00f3n, sarcopenia o un estilo de vida desequilibrado. Tambi\u00e9n disminuye progresivamente a partir de los 60 a\u00f1os y es m\u00e1s bajo en mujeres que en hombres, sin que ello indique un peor estado de salud.\n<\/p><\/div><\/details><\/div><h2 class=\"oxy-text-6182-1144 oxy-text art-h2\" id=\"para-profundizar\">\nPara profundizar\n<\/h2><div class=\"oxy-container-6182-1158 oxy-container rich art-text\"><ul class=\"oxy-container-6182-1157 oxy-container\"><li class=\"oxy-container-6182-1146 oxy-container\"><a class=\"oxy-text-link-6182-1145 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/el-angulo-de-fase-que-es-y-por-que-se-esta-volviendo-necesario\/\" target=\"_self\">\nEl \u00e1ngulo de fase: \u00bfqu\u00e9 es y por qu\u00e9 se est\u00e1 volviendo necesario?\n<\/a><\/li><li class=\"oxy-container-6182-1148 oxy-container\"><a class=\"oxy-text-link-6182-1147 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/angulo-de-fase-un-marcador-para-seguir-el-estado-de-forma-de-los-atletas\/\" target=\"_self\">\n\u00c1ngulo de fase: un marcador para seguir el estado de forma de los atletas\n<\/a><\/li><li class=\"oxy-container-6182-1150 oxy-container\"><a class=\"oxy-text-link-6182-1149 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/biva-unuenfoque-sin-ecuaciones-para-la-composicion-corporal\/\" target=\"_self\">\nBIVA: un enfoque sin ecuaciones para la composici\u00f3n corporal\n<\/a><\/li><li class=\"oxy-container-6182-1152 oxy-container\"><a class=\"oxy-text-link-6182-1151 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/la-bioimpedanciometria-una-herramienta-recomendada-por-las-guias-de-practica-clinica-nacionales-e-internacionales\/\" target=\"_self\">\nLa bioimpedanciometr\u00eda, recomendada por las gu\u00edas de pr\u00e1ctica cl\u00ednica\n<\/a><\/li><li class=\"oxy-container-6182-1154 oxy-container\"><a class=\"oxy-text-link-6182-1153 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/bioimpedancia\/marqueurs-biologiques\/\" target=\"_self\">\nMarcadores biol\u00f3gicos\n<\/a><\/li><li class=\"oxy-container-6182-1156 oxy-container\"><a class=\"oxy-text-link-6182-1155 oxy-text-link\" href=\"https:\/\/aminogram.com\/es\/bioimpedancia\/\" target=\"_self\">\nBioimpedancia: la gu\u00eda completa\n<\/a><\/li><\/ul><\/div><h2 class=\"oxy-text-6182-988 oxy-text art-h2\" id=\"referencias\">\nReferencias\n<\/h2><div class=\"oxy-container-6182-1068 oxy-container rich art-text\"><ol class=\"oxy-container-6182-1067 oxy-container\"><li class=\"oxy-container-6182-990 oxy-container\"><div class=\"oxy-text-6182-989 oxy-text\">\nBellido D, Garc\u00eda-Garc\u00eda C, Talluri A, Lukaski HC, Garc\u00eda-Almeida JM. Future lines of research on phase angle: Strengths and limitations. Rev Endocr Metab Disord. 12 avr 2023;1\u201121.\n<\/div><\/li><li class=\"oxy-container-6182-992 oxy-container\"><div class=\"oxy-text-6182-991 oxy-text\">\nMattiello R, Amaral MA, Mundstock E, Ziegelmann PK. Reference values for the phase angle of the electrical bioimpedance: Systematic review and meta-analysis involving more than 250,000 subjects. Clinical Nutrition. 1 mai 2020;39(5):1411\u20117.\n<\/div><\/li><li class=\"oxy-container-6182-994 oxy-container\"><div class=\"oxy-text-6182-993 oxy-text\">\nXiong ZH, Zheng XM, Zhang GY, Wu MJ, Qu Y. The Use of Bioelectrical Impedance Analysis Measures for Predicting Clinical Outcomes in Critically Ill Children. Frontiers in Nutrition [Internet]. 2022 [cit\u00e9 16 janv 2024];9. Disponible sur: https:\/\/www.frontiersin.org\/articles\/10.3389\/fnut.2022.847480\n<\/div><\/li><li class=\"oxy-container-6182-996 oxy-container\"><div class=\"oxy-text-6182-995 oxy-text\">\nUribe G, Ortiz J, Jaramillo M. \u00c1ngulo de Fase (AF) e \u00cdndice de impedancia (IR) por BIA multifrecuencia: biomarcadores del estado nutricional de poblaci\u00f3n adulta sana. Universidad Libre de Pereira. 2022;en prensa.\n<\/div><\/li><li class=\"oxy-container-6182-998 oxy-container\"><div class=\"oxy-text-6182-997 oxy-text\">\nRam\u00edrez-Herrera CJ, Pico-Tarazona JC, S\u00e1nchez IA, Garavito-Pe\u00f1a FR, Mendoza-Romero D, Castro-Jim\u00e9nez LE. \u00c1ngulo de fase como indicador de riesgo cardiovascular en estudiantes universitarios. Revista Colombiana de Cardiolog\u00eda [Internet]. 2021 [cit\u00e9 16 janv 2024];28(6). Disponible sur: https:\/\/www.rccardiologia.com\/frame_esp.php?id=122\n<\/div><\/li><li class=\"oxy-container-6182-1000 oxy-container\"><div class=\"oxy-text-6182-999 oxy-text\">\nde Borba EL, Ceolin J, Ziegelmann PK, Bodanese LC, Gon\u00e7alves MR, Ca\u00f1on-Monta\u00f1ez W, et al. Phase angle of bioimpedance at 50 kHz is associated with cardiovascular diseases: systematic review and meta-analysis. Eur J Clin Nutr. 12 avr 2022;\n<\/div><\/li><li class=\"oxy-container-6182-1002 oxy-container\"><div class=\"oxy-text-6182-1001 oxy-text\">\nLanger RD, Larsen SC, Ward LC, Heitmann BL. Phase angle measured by bioelectrical impedance analysis and the risk of cardiovascular disease among adult Danes. Nutrition. 1 sept 2021;89:111280.\n<\/div><\/li><li class=\"oxy-container-6182-1004 oxy-container\"><div class=\"oxy-text-6182-1003 oxy-text\">\nCaccialanza R, Cereda E, Klersy C, Milani P, Cappello S, Martinelli V, et al. Bioelectrical impedance vector analysis-derived phase angle predicts survival in patients with systemic immunoglobulin light-chain amyloidosis. Amyloid. 2 juill 2020;27(3):168\u201173.\n<\/div><\/li><li class=\"oxy-container-6182-1006 oxy-container\"><div class=\"oxy-text-6182-1005 oxy-text\">\nMosquera-Hurtado DA, Rivera-Zuluaga V, Uribe-Gil G. USOS DEL ANGULO DE FASE EN ALGUNAS ENFERMEDADES CRONICO DEGENERATIVAS. Revista cultura del cuidado. 2022;en prensa.\n<\/div><\/li><li class=\"oxy-container-6182-1008 oxy-container\"><div class=\"oxy-text-6182-1007 oxy-text\">\nLima e Silva RR de, Pinho CPS, Galv\u00e3o Rodrigues I, Monteiro J\u00fanior JG de M. \u00c1ngulo de fase como indicador del estado nutricional y pron\u00f3stico en pacientes cr\u00edticos. Nutrici\u00f3n Hospitalaria. mars 2015;31(3):1278\u201185.\n<\/div><\/li><li class=\"oxy-container-6182-1010 oxy-container\"><div class=\"oxy-text-6182-1009 oxy-text\">\nCurvello-Silva K, Ramos LB, Sousa C, Daltro C. Phase angle and metabolic parameters in severely obese patients. Nutr Hosp. 16 d\u00e9c 2020;37(6):1130\u20114.\n<\/div><\/li><li class=\"oxy-container-6182-1012 oxy-container\"><div class=\"oxy-text-6182-1011 oxy-text\">\nde Luis DA, Aller R, Romero E, Due\u00f1as A, Perez Castrillon JL. Relation of phase angle tertiles with blood adipocytokines levels, insulin resistance and cardiovascular risk factors in obese women patients. Eur Rev Med Pharmacol Sci. juin 2010;14(6):521\u20116.\n<\/div><\/li><li class=\"oxy-container-6182-1014 oxy-container\"><div class=\"oxy-text-6182-1013 oxy-text\">\nTopete-Reyes JF, L\u00f3pez-Lozano CA, L\u00f3pez-B\u00e1ez SL, Barbar\u00edn-V\u00e1zquez AV, Cervantes-Villalobos ML, Navarro-Rodr\u00edguez J, et al. Determinaci\u00f3n del estado nutricional mediante el \u00e1ngulo de fase en pacientes en hemodi\u00e1lisis. Gaceta M\u00e9dica de M\u00e9xico [Internet]. 2019 [cit\u00e9 16 janv 2024];155(3). Disponible sur: https:\/\/www.gacetamedicademexico.com\/frame_esp.php?id=299\n<\/div><\/li><li class=\"oxy-container-6182-1016 oxy-container\"><div class=\"oxy-text-6182-1015 oxy-text\">\nSelberg O, Selberg D. Norms and correlates of bioimpedance phase angle in healthy human subjects, hospitalized patients, and patients with liver cirrhosis. Eur J Appl Physiol. 1 avr 2002;86(6):509\u201116.\n<\/div><\/li><li class=\"oxy-container-6182-1018 oxy-container\"><div class=\"oxy-text-6182-1017 oxy-text\">\nPeres W a. F, Lento DF, Baluz K, Ramalho A. Phase angle as a nutritional evaluation tool in all stages of chronic liver disease. Nutr Hosp. 2012;27(6):2072\u20118.\n<\/div><\/li><li class=\"oxy-container-6182-1020 oxy-container\"><div class=\"oxy-text-6182-1019 oxy-text\">\nGupta D, Lammersfeld CA, Vashi PG, King J, Dahlk SL, Grutsch JF, et al. Bioelectrical impedance phase angle as a prognostic indicator in breast cancer. BMC Cancer. 27 ao\u00fbt 2008;8(1):249.\n<\/div><\/li><li class=\"oxy-container-6182-1022 oxy-container\"><div class=\"oxy-text-6182-1021 oxy-text\">\nGupta D, Lis CG, Dahlk SL, King J, Vashi PG, Grutsch JF, et al. The relationship between bioelectrical impedance phase angle and subjective global assessment in advanced colorectal cancer. Nutrition Journal. 30 juin 2008;7(1):19.\n<\/div><\/li><li class=\"oxy-container-6182-1024 oxy-container\"><div class=\"oxy-text-6182-1023 oxy-text\">\nGupta D, Lis CG, Dahlk SL, Vashi PG, Grutsch JF, Lammersfeld CA. Bioelectrical impedance phase angle as a prognostic indicator in advanced pancreatic cancer. Br J Nutr. d\u00e9c 2004;92(6):957\u201162.\n<\/div><\/li><li class=\"oxy-container-6182-1026 oxy-container\"><div class=\"oxy-text-6182-1025 oxy-text\">\nKrause L, Becker MO, Brueckner CS, Bellinghausen CJ, Becker C, Schneider U, et al. Nutritional status as marker for disease activity and severity predicting mortality in patients with systemic sclerosis. Ann Rheum Dis. nov 2010;69(11):1951\u20117.\n<\/div><\/li><li class=\"oxy-container-6182-1028 oxy-container\"><div class=\"oxy-text-6182-1027 oxy-text\">\nLukaski HC, Kyle UG, Kondrup J. Assessment of adult malnutrition and prognosis with bioelectrical impedance analysis: phase angle and impedance ratio. Curr Opin Clin Nutr Metab Care. sept 2017;20(5):330\u20119.\n<\/div><\/li><li class=\"oxy-container-6182-1030 oxy-container\"><div class=\"oxy-text-6182-1029 oxy-text\">\nPlank L, Li A. PP166-SUN BIOIMPEDANCE ILLNESS MARKER COMPARED TO PHASE ANGLE AS A PREDICTOR OF MALNUTRITION IN HOSPITALISED PATIENTS. Clinical Nutrition. 1 sept 2013;32:S85.\n<\/div><\/li><li class=\"oxy-container-6182-1032 oxy-container\"><div class=\"oxy-text-6182-1031 oxy-text\">\nDi Vincenzo O, Marra M, Di Gregorio A, Pasanisi F, Scalfi L. Bioelectrical impedance analysis (BIA) -derived phase angle in sarcopenia: A systematic review. Clin Nutr. mai 2021;40(5):3052\u201161.\n<\/div><\/li><li class=\"oxy-container-6182-1034 oxy-container\"><div class=\"oxy-text-6182-1033 oxy-text\">\nDo JY, Kim AY, Kang SH. Association Between Phase Angle and Sarcopenia in Patients Undergoing Peritoneal Dialysis. Front Nutr. 2021;8:742081.\n<\/div><\/li><li class=\"oxy-container-6182-1036 oxy-container\"><div class=\"oxy-text-6182-1035 oxy-text\">\nMatsumoto Y, Tada M, Yamada Y, Mandai K, Hidaka N, Koike T. The bioimpedance phase angle is more useful than sarcopenia as a predictor of falls in patients with rheumatoid arthritis: Results from a 2-y prospective cohort study. Nutrition. 1 oct 2022;102:111729.\n<\/div><\/li><li class=\"oxy-container-6182-1038 oxy-container\"><div class=\"oxy-text-6182-1037 oxy-text\">\nKuchnia A, Earthman C, Teigen L, Cole A, Mourtzakis M, Paris M, et al. Evaluation of Bioelectrical Impedance Analysis in Critically Ill Patients: Results of a Multicenter Prospective Study. JPEN J Parenter Enteral Nutr. sept 2017;41(7):1131\u20118.\n<\/div><\/li><li class=\"oxy-container-6182-1040 oxy-container\"><div class=\"oxy-text-6182-1039 oxy-text\">\nUemura K, Doi T, Tsutsumimoto K, Nakakubo S, Kim MJ, Kurita S, et al. Predictivity of bioimpedance phase angle for incident disability in older adults. Journal of Cachexia, Sarcopenia and Muscle. 2020;11(1):46\u201154.\n<\/div><\/li><li class=\"oxy-container-6182-1042 oxy-container\"><div class=\"oxy-text-6182-1041 oxy-text\">\nMulasi U, Vock DM, Kuchnia AJ, Jha G, Fujioka N, Rudrapatna V, et al. Malnutrition Identified by the Academy of Nutrition and Dietetics and American Society for Parenteral and Enteral Nutrition Consensus Criteria and Other Bedside Tools Is Highly Prevalent in a Sample of Individuals Undergoing Treatment for Head and Neck Cancer. JPEN J Parenter Enteral Nutr. janv 2018;42(1):139\u201147.\n<\/div><\/li><li class=\"oxy-container-6182-1044 oxy-container\"><div class=\"oxy-text-6182-1043 oxy-text\">\nCimmino F, Petrella L, Cavaliere G, Ambrosio K, Trinchese G, Monda V, et al. A Bioelectrical Impedance Analysis in Adult Subjects: The Relationship between Phase Angle and Body Cell Mass. Journal of Functional Morphology and Kinesiology. sept 2023;8(3):107.\n<\/div><\/li><li class=\"oxy-container-6182-1046 oxy-container\"><div class=\"oxy-text-6182-1045 oxy-text\">\nMarra M, De Filippo E, Signorini A, Silvestri E, Pasanisi F, Contaldo F, et al. Phase angle is a predictor of basal metabolic rate in female patients with anorexia nervosa. Physiol Meas. avr 2005;26(2):S145-152.\n<\/div><\/li><li class=\"oxy-container-6182-1048 oxy-container\"><div class=\"oxy-text-6182-1047 oxy-text\">\nAraujo Antunes A, Alves Pereira Rodrigues AP, Geraix J, Vaz de Arruda Silveira L, C\u00e2mara Marques Pereira P, Barros Leite Carvalhaes MA. Nutritional assessment of hospitalized HIV-infected patients by the phase angle z-score measurement. Nutr Hosp. 2012;27(3):771\u20114.\n<\/div><\/li><li class=\"oxy-container-6182-1050 oxy-container\"><div class=\"oxy-text-6182-1049 oxy-text\">\nCornejo-Pareja I, Vegas-Aguilar IM, Fern\u00e1ndez-Jim\u00e9nez R, Garc\u00eda-Garc\u00eda C, Bellido-Guerrero D, Tinahones F, et al. Phase angle and COVID-19: A systematic review with meta-analysis. Rev Endocr Metab Disord. 1 juin 2023;24(3):525\u201142.\n<\/div><\/li><li class=\"oxy-container-6182-1052 oxy-container\"><div class=\"oxy-text-6182-1051 oxy-text\">\nFern\u00e1ndez-Jim\u00e9nez R, Mart\u00edn-Masot R, Cornejo-Pareja I, Vegas-Aguilar IM, Herrador-L\u00f3pez M, Tinahones FJ, et al. Phase angle as a marker of outcome in hospitalized pediatric patients. A systematic review of the evidence (GRADE) with meta-analysis. Rev Endocr Metab Disord. 1 ao\u00fbt 2023;24(4):751\u201165.\n<\/div><\/li><li class=\"oxy-container-6182-1054 oxy-container\"><div class=\"oxy-text-6182-1053 oxy-text\">\nSiqueira Vassimon H, Jordao AA, Albuquerque de Paula FJ, Artioli Machado A, Pontes Monteiro J. Comparison of bioelectrical impedance with skinfold thickness and X-ray absorptiometry to measure body composition in HIV-infected with lipodistrophy. Nutr Hosp. 2011;26(3):458\u201164.\n<\/div><\/li><li class=\"oxy-container-6182-1056 oxy-container\"><div class=\"oxy-text-6182-1055 oxy-text\">\nY\u00e1\u00f1ez-Sep\u00falveda R, Alvear-Ordenes I, Vargas-Silva J, Hern\u00e1ndez-Ja\u00f1a S, Olivares-Arancibia J, Tuesta M, et al. Characteristics of Body Composition, Phase Angle and Body Water in Elite Chilean Skydivers. International Journal of Morphology. d\u00e9c 2021;39(6):1564\u20119.\n<\/div><\/li><li class=\"oxy-container-6182-1058 oxy-container\"><div class=\"oxy-text-6182-1057 oxy-text\">\nCirillo E, Pompeo A, Cirillo FT, Vila\u00e7a-Alves J, Costa P, Ramirez-Campillo R, et al. Relationship between Bioelectrical Impedance Phase Angle and Upper and Lower Limb Muscle Strength in Athletes from Several Sports: A Systematic Review with Meta-Analysis. Sports (Basel). 18 mai 2023;11(5):107.\n<\/div><\/li><li class=\"oxy-container-6182-1060 oxy-container\"><div class=\"oxy-text-6182-1059 oxy-text\">\nLanger RD, de Fatima Guimar\u00e3es R, Gon\u00e7alves EM, Guerra-Junior G, de Moraes AM. Phase Angle is Determined by Body Composition and Cardiorespiratory Fitness in Adolescents. Int J Sports Med. ao\u00fbt 2020;41(9):610\u20115.\n<\/div><\/li><li class=\"oxy-container-6182-1062 oxy-container\"><div class=\"oxy-text-6182-1061 oxy-text\">\nHetherington-Rauth M, Leu CG, J\u00fadice PB, Correia IR, Magalh\u00e3es JP, Sardinha LB. Whole body and regional phase angle as indicators of muscular performance in athletes. Eur J Sport Sci. d\u00e9c 2021;21(12):1684\u201192.\n<\/div><\/li><li class=\"oxy-container-6182-1064 oxy-container\"><div class=\"oxy-text-6182-1063 oxy-text\">\nBosy-Westphal A, Danielzik S, D\u00f6rh\u00f6fer RP, Later W, Wiese S, M\u00fcller MJ. Phase Angle From Bioelectrical Impedance Analysis: Population Reference Values by Age, Sex, and Body Mass Index. Journal of Parenteral and Enteral Nutrition. 2006;30(4):309\u201116.\n<\/div><\/li><li class=\"oxy-container-6182-1066 oxy-container\"><div class=\"oxy-text-6182-1065 oxy-text\">\nDemirci C, A\u015fc\u0131 G, Demirci MS, \u00d6zkahya M, T\u00f6z H, Duman S, et al. Impedance ratio: a novel marker and a powerful predictor of mortality in hemodialysis patients. Int Urol Nephrol. juill 2016;48(7):1155\u201162.\n<\/div><\/li><\/ol><\/div><\/div><aside class=\"oxy-container-6182-1091 oxy-container clinic-aside\"><nav class=\"oxy-container-6182-1086 oxy-container side-nav toc\" aria-label=\"\u00cdndice\"><ul class=\"oxy-container-6182-1085 oxy-container toc-list\"><li class=\"oxy-container-6182-1072 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1071 oxy-container-link toc-link\" href=\"#el-angulo-de-fase-pha\" target=\"_self\"><span class=\"oxy-text-6182-1070 oxy-text\">\n\u00c1ngulo de fase (PhA)\n<\/span><\/a><\/li><li class=\"oxy-container-6182-1075 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1074 oxy-container-link toc-link\" href=\"#biody-xpertzm-y-biody-xpertzm3\" target=\"_self\"><span class=\"oxy-text-6182-1073 oxy-text\">\nValores de referencia del PhA\n<\/span><\/a><\/li><li class=\"oxy-container-6182-1078 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1077 oxy-container-link toc-link\" href=\"#ri-secc\" target=\"_self\"><span class=\"oxy-text-6182-1076 oxy-text\">\nRatio de impedancia\n<\/span><\/a><\/li><li class=\"oxy-container-6182-1081 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1080 oxy-container-link toc-link\" href=\"#conclusion\" target=\"_self\"><span class=\"oxy-text-6182-1079 oxy-text\">\nConclusi\u00f3n\n<\/span><\/a><\/li><li class=\"oxy-container-6182-1100 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1101 oxy-container-link toc-link\" href=\"#preguntas-frecuentes\" target=\"_self\"><span class=\"oxy-text-6182-1102 oxy-text\">\nPreguntas frecuentes\n<\/span><\/a><\/li><li class=\"oxy-container-6182-1084 oxy-container toc-item\"><a class=\"oxy-container-link-6182-1083 oxy-container-link toc-link\" href=\"#referencias\" target=\"_self\"><span class=\"oxy-text-6182-1082 oxy-text\">\nReferencias\n<\/span><\/a><\/li><\/ul><\/nav><div class=\"oxy-container-6182-1090 oxy-container more-box\"><p class=\"oxy-text-6182-1087 oxy-text more-title\">\n<strong>\u00bfNecesitas m\u00e1s informaci\u00f3n?<\/strong>\n<\/p><p class=\"oxy-text-6182-1088 oxy-text more-text\">\nNuestro equipo est\u00e1 a tu disposici\u00f3n para responder todas tus preguntas.\n<\/p><a class=\"oxy-text-link-6182-1089 oxy-text-link btn btn-primary\" href=\"#contact\" target=\"_self\">\nCont\u00e1ctanos\n<\/a><\/div><\/aside><\/div><\/section><\/main>","protected":false},"excerpt":{"rendered":"<p>Inicio PhA (\u00c1ngulo de fase) e IR (Ratio de impedancia) El \u00e1ngulo de fase (PhA) y el ratio de impedancia (IR) son dos valores bioel\u00e9ctricos brutos que se obtienen mediante bioimpedancia. El PhA refleja la integridad de las membranas celulares: cuanto m\u00e1s alto, mejor estado de salud. En adultos oscila entre 4,2\u00b0 y 8,5\u00b0 seg\u00fan [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25374,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_oxygen_hide_in_design_set":false,"_oxygen_tags":"","footnotes":""},"class_list":["post-6182","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/pages\/6182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/comments?post=6182"}],"version-history":[{"count":5,"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/pages\/6182\/revisions"}],"predecessor-version":[{"id":25277,"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/pages\/6182\/revisions\/25277"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/media\/25374"}],"wp:attachment":[{"href":"https:\/\/aminogram.com\/es\/wp-json\/wp\/v2\/media?parent=6182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}