{"id":8299,"date":"2023-07-23T20:57:35","date_gmt":"2023-07-23T23:57:35","guid":{"rendered":"https:\/\/cloveonline.com\/?p=8299"},"modified":"2025-09-03T16:33:11","modified_gmt":"2025-09-03T19:33:11","slug":"glaucoma","status":"publish","type":"post","link":"https:\/\/cloveonline.com\/?p=8299","title":{"rendered":"Glaucoma"},"content":{"rendered":"<p>Se define como el aumento de la PIO que no es compatible para la funci\u00f3n normal ocular. M\u00e1s que una enfermedad, el glaucoma debe ser considerado como un grupo diverso de des\u00f3rdenes. Este grupo de enfermedades se unifica en todas las especies por el da\u00f1o al nervio \u00f3ptico, lo que resulta en la p\u00e9rdida de la visi\u00f3n. Es una enfermedad neurodegenerativa que resulta en la muerte de c\u00e9lulas neuronales, las C\u00e9lulas Ganglionares de la Retina (CGR) que culmina casi siempre en ceguera. El diagn\u00f3stico se realiza mediante tonometr\u00eda y un estudio goniosc\u00f3pico.<\/p>\n<p>El Glaucoma consiste en 5 eventos :<br \/>\n1. Evento inicial, se afectan las salidas del humor acuoso.<br \/>\n2. Cambios f\u00edsicos que ocasionan obstrucci\u00f3n de la saluda de humor acuoso.<br \/>\n3. Presi\u00f3n intraocular que es demasiado alta para el flujo axopl\u00e1smico del Nervio \u00f3ptico y flujo sanguineo.<br \/>\n4. Disfunci\u00f3n de las c\u00e1lulas Ganglionares de la retina que resultan en degeneraci\u00f3n y atrofia del Nervio \u00d3ptico.<br \/>\n5. P\u00e9rdida del campo visual y ceguera.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"su-row\">\n<div class=\"su-column su-column-size-1-3\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<figure id=\"attachment_8306\" aria-describedby=\"caption-attachment-8306\" style=\"width: 361px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8306 size-full\" src=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_C401587D2614-1.jpeg\" alt=\"\" width=\"361\" height=\"307\" srcset=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_C401587D2614-1.jpeg 361w, https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_C401587D2614-1-300x255.jpeg 300w\" sizes=\"auto, (max-width: 361px) 100vw, 361px\" \/><figcaption id=\"caption-attachment-8306\" class=\"wp-caption-text\">Figura 1. Apariencia cl\u00e1sica de un ojo con glaucoma preesntando edema corneal, hiperemia escleral y midriasis.<\/figcaption><\/figure>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-3\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<figure id=\"attachment_8307\" aria-describedby=\"caption-attachment-8307\" style=\"width: 350px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8307 size-full\" src=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_01058A12535F-1.jpeg\" alt=\"\" width=\"350\" height=\"270\" srcset=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_01058A12535F-1.jpeg 350w, https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_01058A12535F-1-300x231.jpeg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><figcaption id=\"caption-attachment-8307\" class=\"wp-caption-text\">Figura 2. Evaluaci\u00f3n goniosc\u00f3pica de un \u00e1ngulo estrecho.<\/figcaption><\/figure>\n<\/div><\/div>\n<div class=\"su-column su-column-size-1-3\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<figure id=\"attachment_8308\" aria-describedby=\"caption-attachment-8308\" style=\"width: 313px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8308 size-full\" src=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_FDDD27DC21C9-1.jpeg\" alt=\"\" width=\"313\" height=\"276\" srcset=\"https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_FDDD27DC21C9-1.jpeg 313w, https:\/\/cloveonline.com\/wp-content\/uploads\/2023\/07\/IMG_FDDD27DC21C9-1-300x265.jpeg 300w\" sizes=\"auto, (max-width: 313px) 100vw, 313px\" \/><figcaption id=\"caption-attachment-8308\" class=\"wp-caption-text\">Figura 3: excavaci\u00f3n del nervio \u00f3ptico.<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n<p>El glaucoma primario es la forma m\u00e1s com\u00fan en perros. Por definici\u00f3n no tiene otro antecedente de enfermedad oft\u00e1lmica. Se clasifica en:<br \/>\n&#8211; Glaucoma cong\u00e9nito: anormalidad en el desarrollo postnatal de las v\u00edas del drenaje del humor acuoso y puede incluir anormalidades del cristalino.<br \/>\n&#8211; Glaucoma primario de \u00e1ngulo abierto: normal o con la hendidura ciliar colapsada. Se caracteriza por un agrandamiento gradualmente progresivo del globo ocular en pacientes de mediana edad.<br \/>\n&#8211; Glaucoma primario de \u00e1ngulo cerrado: presumiblemente cong\u00e9nito, reportado en asociaci\u00f3n con anormalidades goniosc\u00f3picas (displasia de ligamentos pect\u00edneos).<\/p>\n<p>En gatos y caballos el glaucoma secundario es el mas com\u00fan. El mecanismo para la elevacion de la PIO es la obstrucci\u00f3n del drenaje del humor acuoso; las principales causas son:<br \/>\n&#8211; Uve\u00edtis cr\u00f3nica.<br \/>\n&#8211; Neoplasia intraocular.<br \/>\n&#8211; Glaucoma asociado al cristalino.<br \/>\n&#8211; Hemorragia intraocular.<\/p>\n<p>Existen razas con predisposici\u00f3n a la enfermedad como siames y burmes en los gatos y American Cocker Spaniel, Basset Hound, Samoyedo, Sharpei, Beagle, Husky Siberiano, Chow-Chow, Gran Dan\u00e9s, Fox Terrier pelo de alambre, Poodle Toy y Standard en los perros.<\/p>\n<p>Los Signos cl\u00ednicos cl\u00e1sicos involucran:<br \/>\n&#8211; PIO incrementada (\u2191 de 30 mmHg).<br \/>\n&#8211; Midriasis- Pupila fija y dilatada. Este puede ser el \u00fanico signo temprano que se observe en gatos o perros con glaucoma.<br \/>\n&#8211; Edema corneal.<br \/>\n&#8211; Vasos episclerales engrosados y congestionados.<br \/>\n&#8211; Dolor ocular.<br \/>\n&#8211; P\u00e9rdida de visi\u00f3n y ceguera.<\/p>\n<p>El tratamiento m\u00e9dico se enfoca en controlar la PIO para prevenir el da\u00f1o permanente al poder mantener la visi\u00f3n, eliminar el dolor y evitando el da\u00f1o al otro ojo.  Los medicamentos para el tratamiento del glaucoma primario se clasifican en:<br \/>\n1. Inhibidores de la s\u00edntesis del humor acuoso.<br \/>\n2. Facilitadores de la eliminaci\u00f3n del humor acuoso.<\/p>\n<p>\u00bfCu\u00e1ndo operar a un paciente glaucomatoso?<br \/>\n&#8211; Ojos afectados cr\u00f3nicamente o ciegos  .<br \/>\n&#8211; La cirug\u00eda es la \u00fanica opci\u00f3n disponible cuando la visi\u00f3n contin\u00faa disminuyendo a pesar de la m\u00e1xima terapia m\u00e9dica.<br \/>\n&#8211; Otras situaciones a considerar \u2013 costo, seguimiento, edad, calidad de vida.<br \/>\n&#8211; Principalmente hay que lidiar con el segundo ojo. &#8211; los due\u00f1os ya vienen con la idea de tratar el primer ojo\/ aprender a sospechar de alguna elevaci\u00f3n de presi\u00f3n en el ojo bueno y educarlos para anticipar tratamiento inmediatamente.<\/p>\n<p>Diferencias en los objetivos de los procedimientos quir\u00fargicos:<br \/>\n1. Incrementar el drenaje de humor acuoso (construcci\u00f3n de vias alternas para el drenaje del humor acuoso fuera del ojo: Iridencleisis Ciclodialisis Trepanaci\u00f3n corneal Gonioimplante.<br \/>\n2. Reducci\u00f3n de producci\u00f3n de humor acuoso (destruyendo parte del cuerpo ciliar).<br \/>\nCiclocriotermia<br \/>\nCiclofotocoagulaci\u00f3n \u2013 Transescleral<br \/>\nCiclofotocoagulaci\u00f3n \u2013 Endosc\u00f3pica<br \/>\n3. Reducci\u00f3n del dolor : Enucleaci\u00f3n, evisceraci\u00f3n con colocaci\u00f3n de Pr\u00f3tesis intraocular o ablaci\u00f3n qu\u00edmica.<\/p>\n<p>Es importante considerar que al ser una enfermedad cr\u00f3nica y progresiva, la prevenci\u00f3n y el diagn\u00f3stico temprano mediante el reconocimiento de los signos cl\u00ednicos iniciales constituyen un factor importante para el control exitoso de esta.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Se define como el aumento de la PIO que no es compatible para la funci\u00f3n normal ocular. M\u00e1s que una enfermedad, el glaucoma debe ser considerado como un grupo diverso de des\u00f3rdenes. Este grupo de enfermedades se unifica en todas las especies por el da\u00f1o al nervio \u00f3ptico, lo que resulta en la p\u00e9rdida de [&#8230;]\n","protected":false},"author":1,"featured_media":8306,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-8299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Glaucoma - CLOVE<\/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:\/\/cloveonline.com\/?p=8299\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Glaucoma - CLOVE\" \/>\n<meta property=\"og:description\" content=\"Se define como el aumento de la PIO que no es compatible para la funci\u00f3n normal ocular. M\u00e1s que una enfermedad, el glaucoma debe ser considerado como un grupo diverso de des\u00f3rdenes. 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