{"id":29416,"date":"2022-06-19T12:12:16","date_gmt":"2022-06-19T10:12:16","guid":{"rendered":"https:\/\/www2.zoolyx.be\/faq-items\/que-signifient-les-lettres-et-les-chiffres-dans-le-resutat-des-antibiogramme\/"},"modified":"2023-11-28T16:51:24","modified_gmt":"2023-11-28T15:51:24","slug":"que-signifient-les-lettres-et-les-chiffres-dans-le-resutat-des-antibiogramme","status":"publish","type":"avada_faq","link":"https:\/\/www2.zoolyx.be\/fr\/faq-items\/que-signifient-les-lettres-et-les-chiffres-dans-le-resutat-des-antibiogramme\/","title":{"rendered":"Que signifient les lettres et les chiffres dans le r\u00e9sutat des antibiogramme?"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1289.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-blend:overlay;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>Het resultaat van een antibiogram bestaat uit een lettercode en vaak ook een getalwaarde afhankelijk van met welke methode het antibiogram bepaald werd.<\/p>\n<h3 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 34; line-height: 1.29;\" data-fontsize=\"34\" data-lineheight=\"43.86px\">De lettercode<\/h3>\n<p>Dit is de interpretatie die gegeven wordt aan de gemeten zonediameter (diskdiffusiemethode) dan wel de gemeten MIC (microdilutiemethode). Daarnaast wordt ook rekening gehouden met de ge\u00efsoleerde bacteriesoort of type, de uitkomst van bijkomende testen (*), de diersoort en de oorsprong van het staal. Er zijn drie mogelijke uitkomsten:<\/p>\n<\/div>\n<div class=\"table-1\">\n<table width=\"100%\">\n<thead>\n<tr>\n<th style=\"background-color: #abffbe;\" align=\"left\">S<\/th>\n<th align=\"left\">Sensible<\/th>\n<th align=\"left\">La souche bact\u00e9rienne est sensible \u00e0 l\u2019antibiotique si elle est administr\u00e9e \u00e0 la dose prescrite dans la notice.<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"background-color: #fffcc2;\" align=\"left\">I<\/td>\n<td align=\"left\">Interm\u00e9diaire<\/td>\n<td align=\"left\">Cela ne signifie pas que l\u2019antibiotique ne fonctionne pas du tout mais qu&rsquo;il ne fonctionne pas aussi bien. Cela peut \u00eatre compens\u00e9 par un traitement prolong\u00e9 et\/ou un dosage \u00e9lev\u00e9 en respectant les exigences de s\u00e9curit\u00e9 du fabricant.<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #ffc7c7;\" align=\"left\">R<\/td>\n<td align=\"left\">R\u00e9sistent<\/td>\n<td align=\"left\">La souche bact\u00e9rienne n\u2019est pas sensible \u00e0 l\u2019antibiotique et est exclue comme choix th\u00e9rapeutique.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"fusion-text fusion-text-2\" style=\"--awb-font-size:var(--awb-typography5-font-size);\"><p>(*) Parfois, le simple contact de l\u2019isolat avec un antibiotique n\u2019est pas suffisant pour d\u00e9terminer son efficacit\u00e9 dans le d\u00e9lai de l\u2019essai. Le profil de r\u00e9sistance peut changer lorsque certains facteurs de r\u00e9sistance sont pr\u00e9sents et n\u2019entrent en vigueur que plus tard et doivent donc \u00eatre test\u00e9s sp\u00e9cifiquement (par ex. ICL et ESBL).<\/p>\n<\/div><div class=\"fusion-text fusion-text-3\"><h3 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 34; line-height: 1.29;\" data-fontsize=\"34\" data-lineheight=\"43.86px\">La valeur num\u00e9rique<\/h3>\n<p>Cette valeur ne peut \u00eatre rapport\u00e9 qu\u2019\u00e0 l\u2019aide de la m\u00e9thode de microdilution. Cette m\u00e9thode n\u2019est pas disponible pour toutes les combinaisons bact\u00e9ries-antibiotiques.<\/p>\n<p>Afin de d\u00e9terminer l\u2019efficacit\u00e9, la souche bact\u00e9rienne isol\u00e9e est suspendue avec une s\u00e9rie de dilution de l\u2019antibiotique. La dilution de l\u2019antibiotique la plus elev\u00e9e (et donc la concentration la plus faible) dans lequel la croissance bact\u00e9rienne est compl\u00e8tement supprim\u00e9e est une approche de la concentration minimale inhibitoire (CMI) exprim\u00e9e en \u00b5g\/mL.<\/p>\n<p>Cette valeur est \u00e0 consid\u00e9rer comme une information suppl\u00e9mentaire et dont le code alphab\u00e9tique est un interpr\u00e9tation.<\/p>\n<ul>\n<li>\u00c7a donne une id\u00e9e de la sensibilit\u00e9 (ou r\u00e9sistance) de la bact\u00e9rie en terme quantitatif.<\/li>\n<li>Plus la valeur est faible, plus \u00e9lev\u00e9e la concentration n\u00e9cessaire de l\u2019antibiotique pour tuer la bact\u00e9rie.<\/li>\n<li>Entre deux dilutions il y a un facteur de 2, la CMI r\u00e9elle (mesur\u00e9e sur une \u00e9chelle continue) est donc entre la dilution rapport\u00e9e et une \u00e9tape plus concentr\u00e9e (moins dilu\u00e9e);<\/li>\n<li>En th\u00e9orie, la CMI r\u00e9fl\u00e8te la concentration tissulaire minimale dans le tissu \u00e0 traiter. Pour une estimation plus ou moins calcul\u00e9e, il faut des donn\u00e9es pharmacocin\u00e9tiques et dynamiques; sans parler de l&rsquo;mpact du biofilm et du pus;<\/li>\n<li>La comparaison des valeurs CMI entre diff\u00e9rents antibiotiques <span style=\"text-decoration: underline;\">n\u2019a aucune signification<\/span> clinique.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"menu_order":27,"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":[522],"class_list":["post-29416","avada_faq","type-avada_faq","status-publish","format-standard","hentry","faq_category-antibiogramme"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Que signifient les lettres et les chiffres dans le r\u00e9sutat des antibiogramme? 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