{"id":29406,"date":"2022-06-19T10:34:23","date_gmt":"2022-06-19T08:34:23","guid":{"rendered":"https:\/\/www2.zoolyx.be\/faq-items\/la-valeur-ct-peut-elle-etre-comparee-entre-laboratoires\/"},"modified":"2023-11-21T10:34:27","modified_gmt":"2023-11-21T09:34:27","slug":"la-valeur-ct-peut-elle-etre-comparee-entre-laboratoires","status":"publish","type":"avada_faq","link":"https:\/\/www2.zoolyx.be\/fr\/faq-items\/la-valeur-ct-peut-elle-etre-comparee-entre-laboratoires\/","title":{"rendered":"La valeur Ct peut-elle \u00eatre compar\u00e9e entre laboratoires?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><strong>Non<\/strong>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Une m\u00e9thode normalis\u00e9e (c.-\u00e0-d. la m\u00eame m\u00e9thode d\u2019extraction, les m\u00eames r\u00e9actifs, le m\u00eame cycle de r\u00e9action) devrait th\u00e9oriquement produire environ la m\u00eame valeur Ct.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ce n\u2019est presque jamais le cas. Non seulement il y a toujours des diff\u00e9rences techniques (autres r\u00e9actifs, autre \u00e9quipement, autre protocole d&rsquo;amplification, autre m\u00e9thode d\u2019extraction), la valeur Ct est seulement aussi fiable que le pr\u00e9l\u00e8vement. Le pr\u00e9l\u00e8vement, le transport et la m\u00e9thode de conservation (la phase pr\u00e9-analytique) peuvent faire toute la diff\u00e9rence. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Un \u00e9chantillon incorrect ou de moindre qualit\u00e9 obtiendra bien s\u00fbr un score plus \u00e9lev\u00e9 ou n\u00e9gatif par rapport \u00e0 un \u00e9chantillon correctement pr\u00e9lev\u00e9. Idem pour un \u00e9chantillon mal conserv\u00e9 ou ag\u00e9. Il est souvent difficile d\u2019obtenir un \u00e9chantillon identique. Deux \u00e9chantillons de sang pr\u00e9lev\u00e9s en m\u00eame temps devraient avoir un contenu identique. De deux \u00e9couvillons, c\u2019est beaucoup moins \u00e9vident. Un peu plus profond, un peu plus \u00e0 gauche ou \u00e0 droite peut produire un rendement significativement diff\u00e9rent.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">En laboratoire on peut comparer les valeurs Ct par example pour \u00e9valuer le rendement des m\u00e9thodes d\u2019extraction differentes, l\u2019efficacit\u00e9 des combinaisons primers-sondes, protocoles PCR, etc.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Non. Une m\u00e9thode normalis\u00e9e (c.-\u00e0-d.<\/p>\n","protected":false},"author":3,"featured_media":0,"menu_order":62,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"faq_category":[523],"class_list":["post-29406","avada_faq","type-avada_faq","status-publish","format-standard","hentry","faq_category-pcr-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La valeur Ct peut-elle \u00eatre compar\u00e9e entre laboratoires? - Zoolyx<\/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:\/\/www2.zoolyx.be\/fr\/faq-items\/la-valeur-ct-peut-elle-etre-comparee-entre-laboratoires\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La valeur Ct peut-elle \u00eatre compar\u00e9e entre laboratoires? - Zoolyx\" \/>\n<meta property=\"og:description\" content=\"Non. 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