{"id":24260,"date":"2026-02-28T22:53:45","date_gmt":"2026-03-01T02:53:45","guid":{"rendered":"https:\/\/cliniqueomicron.ca\/a-1-antitrypsine-serique\/"},"modified":"2026-09-14T21:12:23","modified_gmt":"2026-09-15T01:12:23","slug":"serum-alpha-1-antitrypsin","status":"publish","type":"page","link":"https:\/\/cliniqueomicron.ca\/en\/a-1-antitrypsine-serique\/","title":{"rendered":"Alpha-1-Acid Glycoprotein \u2013 Lab Test | Omicron Clinic"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"24260\" class=\"elementor elementor-24260\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e27497f e-flex e-con-boxed e-con e-parent\" data-id=\"e27497f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b955f78 elementor-widget elementor-widget-html\" data-id=\"b955f78\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Cinzel:wght@600&family=Poppins:wght@400;500;600;700&display=swap');\n\n.co-wrap * {\n  font-family: 'Poppins', sans-serif;\n  box-sizing: border-box;\n}\n\n.co-wrap {\n  max-width: 1100px;\n  margin: 0 auto;\n  padding: 30px 0 60px;\n  margin-top: 10px;\n}\n\n.co-label {\n  font-family: 'Cinzel', serif;\n  font-size: 14px;\n  font-weight: bold;\n  letter-spacing: 1px;\n  text-transform: uppercase;\n  color: #4D6577;\n  margin-bottom: 14px;\n  display: block;\n}\n\n.co-wrap h1 {\n  font-size: 32px;\n  font-weight: 500;\n  color: #323C52;\n  margin: 0 0 22px;\n  line-height: 1.2;\n  letter-spacing: 0.5px;\n}\n\n.co-intro {\n  font-size: 16px;\n  font-weight: 400;\n  line-height: 1.75;\n  color: #4D6577;\n  margin-bottom: 36px;\n  padding-bottom: 32px;\n  border-bottom: 1px solid rgba(77,101,119,.2);\n}\n\n.co-wrap h2 {\n  font-size: 20px;\n  font-weight: 600;\n  color: #323C52;\n  margin: 32px 0 12px;\n  letter-spacing: 0.3px;\n}\n\n.co-wrap p {\n  font-size: 15px;\n  font-weight: 400;\n  color: #4D6577;\n  line-height: 1.7;\n  margin-bottom: 14px;\n}\n\n.co-list {\n  list-style: none;\n  padding: 0;\n  margin: 12px 0 24px;\n}\n.co-list li {\n  font-size: 15px;\n  font-weight: 400;\n  color: #4D6577;\n  padding: 10px 14px 10px 38px;\n  margin-bottom: 8px;\n  border-radius: 6px;\n  position: relative;\n  background: rgba(77,101,119,.06);\n  border-left: 3px solid #4D6577;\n}\n.co-list li::before {\n  content: \"\u2713\";\n  position: absolute;\n  left: 12px;\n  font-weight: 700;\n  color: #4D6577;\n}\n\n.co-table {\n  width: 100%;\n  border-collapse: collapse;\n  margin: 14px 0 22px;\n  font-size: 14px;\n  border-radius: 8px;\n  overflow: hidden;\n}\n.co-table thead tr {\n  background: #323C52;\n  color: #fff;\n}\n.co-table thead th {\n  padding: 11px 16px;\n  text-align: left;\n  font-weight: 600;\n  font-size: 13px;\n}\n.co-table tbody tr:nth-child(even) { background: rgba(77,101,119,.06); }\n.co-table tbody tr:nth-child(odd) { background: #fff; }\n.co-table td {\n  padding: 10px 16px;\n  color: #4D6577;\n  border-bottom: 1px solid rgba(77,101,119,.12);\n  font-size: 14px;\n}\n.co-table td:first-child {\n  font-weight: 600;\n  color: #323C52;\n}\n\n.co-infobox {\n  display: flex;\n  gap: 12px;\n  background: rgba(77,101,119,.06);\n  border-radius: 8px;\n  border-left: 4px solid #4D6577;\n  padding: 14px 18px;\n  margin: 18px 0 28px;\n  font-size: 14px;\n  font-weight: 400;\n  color: #4D6577;\n  line-height: 1.65;\n}\n.co-infobox .ico { font-size: 18px; flex-shrink: 0; }\n<\/style>\n\n<div class=\"co-wrap\">\n\n  <span class=\"co-label\">Laboratory test<\/span>\n  <h1>A-1-antitrypsine s\u00e9rique<\/h1>\n<style>.oc-fiche-cta{margin:8px 0 34px;padding:22px 24px;border:1.5px solid rgba(50,60,82,.15);border-left:4px solid #FF611C;border-radius:12px;background:#F4F6F8;font-family:Poppins,sans-serif}.oc-fiche-cta-t{font-size:18px;font-weight:600;color:#323C52;margin:0 0 4px;line-height:1.35}.oc-fiche-cta-x{font-size:15px;color:#4D6577;margin:0 0 14px;line-height:1.55}.oc-fiche-cta-b{display:flex;flex-wrap:wrap;gap:10px}.oc-fiche-cta-b a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;box-sizing:border-box}.oc-fiche-cta-b .oc-p{background:#FF611C;color:#fff}.oc-fiche-cta-b .oc-p:hover{background:#E04E0C}.oc-fiche-cta-b .oc-s{background:#fff;color:#323C52;border:1.5px solid rgba(50,60,82,.25)}@media (max-width:600px){.co-wrap h1{font-size:24px;line-height:1.25;text-transform:none}.oc-fiche-cta{padding:18px 16px}.oc-fiche-cta-b a{flex:1 1 100%}body .co-wrap > .co-table,body .co-wrap > .co-table tbody,body .co-wrap > .co-table tr,body .co-wrap > .co-table td{display:block;width:100%;box-sizing:border-box}body .co-wrap > .co-table{min-width:0;table-layout:auto}body .co-wrap > .co-table thead{display:none}body .co-wrap > .co-table tr{margin:0 0 10px;border:1px solid rgba(77,101,119,.18);border-radius:8px;overflow:hidden}body .co-wrap > .co-table td{padding:9px 12px;border:0}body .co-wrap > .co-table td:first-child{font-weight:600;color:#323C52;background:rgba(77,101,119,.07)}#ocw{transform:scale(.8);transform-origin:bottom right}}<\/style><div class=\"oc-fiche-cta\" data-oc-cta=\"fiche-haut-lab\"><p class=\"oc-fiche-cta-t\">Faire cette analyse<\/p><p class=\"oc-fiche-cta-x\">Pr\u00e9l\u00e8vements sanguins dans nos points de service au Qu\u00e9bec. Un professionnel peut aussi interpr\u00e9ter vos r\u00e9sultats avec vous.<\/p><div class=\"oc-fiche-cta-b\"><a class=\"oc-p\" href=\"https:\/\/cliniqueomicron.ca\/prelevements-medicaux\/\">Blood sampling<\/a><a class=\"oc-s\" href=\"https:\/\/cliniqueomicron.ca\/rendez-vous\/\">Make an appointment<\/a><a class=\"oc-s\" href=\"tel:+15146063350\">514 606-3350<\/a><\/div><\/div>\n\n\n  <div class=\"co-intro\">\n    L'alpha-1-antitrypsine s\u00e9rique est un test de laboratoire qui mesure le taux d'alpha-1-antitrypsine (AAT) dans le sang. Cette prot\u00e9ine, produite principalement par le foie, joue un r\u00f4le protecteur essentiel : elle inhibe certaines enzymes qui, en exc\u00e8s, peuvent endommager les tissus pulmonaires et h\u00e9patiques. Un d\u00e9ficit en AAT est une condition g\u00e9n\u00e9tique h\u00e9r\u00e9ditaire qui peut \u00e9voluer silencieusement pendant des ann\u00e9es.\n  <\/div>\n\n  <h2>\u00c0 quoi sert ce test ?<\/h2>\n  <p>Ce test est prescrit lorsqu'un m\u00e9decin souhaite d\u00e9tecter un d\u00e9ficit en alpha-1-antitrypsine, une condition g\u00e9n\u00e9tique pouvant entra\u00eener des maladies graves comme l'emphys\u00e8me pulmonaire, m\u00eame chez des personnes qui n'ont jamais fum\u00e9, ou des maladies chroniques du foie comme la cirrhose.<\/p>\n\n  <h2>Quand est-il recommand\u00e9 ?<\/h2>\n  <p>Votre m\u00e9decin peut vous prescrire ce test si vous pr\u00e9sentez l'une des situations suivantes :<\/p>\n  <ul class=\"co-list\">\n    <li>Obstruction pulmonaire inexpliqu\u00e9e (essoufflement, toux chronique persistante)<\/li>\n    <li>Maladie h\u00e9patique chronique sans cause \u00e9vidente identifi\u00e9e<\/li>\n    <li>Ant\u00e9c\u00e9dents familiaux de d\u00e9ficit en alpha-1-antitrypsine<\/li>\n    <li>Emphys\u00e8me pr\u00e9coce apparaissant avant l'\u00e2ge de 45 ans<\/li>\n    <li>Sympt\u00f4mes de BPCO chez un non-fumeur ou fumeur l\u00e9ger<\/li>\n  <\/ul>\n\n  <h2>Results Interpretation<\/h2>\n  <p>Les r\u00e9sultats doivent \u00eatre interpr\u00e9t\u00e9s par un m\u00e9decin en tenant compte de votre situation clinique globale.<\/p>\n\n  <table class=\"co-table\">\n    <thead>\n      <tr>\n        <th>Results<\/th>\n        <th>Indicative rate<\/th>\n        <th>Possible meaning<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Normal<\/td>\n        <td>0,9 \u2013 2,0 g\/L<\/td>\n        <td>Taux protecteur ad\u00e9quat<\/td>\n      <\/tr>\n      <tr>\n        <td>Bass<\/td>\n        <td>Less than 0.9 g\/L<\/td>\n        <td>D\u00e9ficit g\u00e9n\u00e9tique possible, insuffisance h\u00e9patique, malnutrition<\/td>\n      <\/tr>\n      <tr>\n        <td>High<\/td>\n        <td>2.0 g\/L<\/td>\n        <td>R\u00e9action inflammatoire aigu\u00eb, infection active<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n\n  <div class=\"co-infobox\">\n    <span class=\"ico\">\u2139\ufe0f<\/span>\n    <span>L'AAT est une prot\u00e9ine de phase aigu\u00eb : son taux peut \u00eatre temporairement \u00e9lev\u00e9 lors d'une inflammation ou d'une infection, m\u00eame en pr\u00e9sence d'un d\u00e9ficit g\u00e9n\u00e9tique sous-jacent. Un contexte clinique complet est toujours n\u00e9cessaire pour interpr\u00e9ter les r\u00e9sultats.<\/span>\n  <\/div>\n\n  <h2>Comment se pr\u00e9pare-t-on ?<\/h2>\n  <p>Aucune pr\u00e9paration particuli\u00e8re n'est g\u00e9n\u00e9ralement requise pour ce test. Il peut \u00eatre effectu\u00e9 \u00e0 tout moment de la journ\u00e9e. Votre m\u00e9decin vous informera si des pr\u00e9cautions sp\u00e9cifiques s'appliquent \u00e0 votre situation, notamment en cas de prise de m\u00e9dicaments.<\/p>\n\n  <h2>O\u00f9 faire ce test au Qu\u00e9bec ?<\/h2>\n  <p>Ce test de laboratoire est disponible dans les points de service de Clinique Omicron au Qu\u00e9bec. Une ordonnance m\u00e9dicale est n\u00e9cessaire. Nos professionnels de sant\u00e9 peuvent vous accompagner dans la prescription, la r\u00e9alisation et l'interpr\u00e9tation de vos r\u00e9sultats.<\/p>\n\n<style>.co-disclaimer{font-size:13px;color:#8a9aaa;font-style:italic;border-top:1px solid rgba(77,101,119,.15);padding-top:24px;margin-top:40px;line-height:1.6;}<\/style>\n<p class=\"co-disclaimer\">The content of this page is provided for informational purposes only and is not intended to replace the advice of a qualified healthcare professional. Consult a physician for any symptoms, questions or decisions you may have regarding your health.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Test de laboratoire A-1-antitrypsine s\u00e9rique L&#8217;alpha-1-antitrypsine s\u00e9rique est un test de laboratoire qui mesure le taux d&#8217;alpha-1-antitrypsine (AAT) dans le sang. Cette prot\u00e9ine, produite principalement par le foie, joue un r\u00f4le protecteur essentiel : elle inhibe certaines enzymes qui, en exc\u00e8s, peuvent endommager les tissus pulmonaires et h\u00e9patiques. Un d\u00e9ficit en AAT est une condition&hellip;&nbsp;<a href=\"https:\/\/cliniqueomicron.ca\/en\/a-1-antitrypsine-serique\/\" rel=\"bookmark\">Read More \"<span class=\"screen-reader-text\">Alpha-1-Acid Glycoprotein \u2013 Lab Test | Omicron Clinic<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":100,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"_metasync_otto_title":"Test Alpha-1-Antitrypsine S\u00e9rique | Brossard | Clinique Omicron","_metasync_otto_description":"Test alpha-1-antitrypsine s\u00e9rique \u00e0 Clinique Omicron, Qu\u00e9bec. Obtenez des r\u00e9sultats pr\u00e9cis et une interpr\u00e9tation claire. Contactez-nous pour en savoir plus.","_metasync_otto_keywords":"alpha-1-antitrypsine, test s\u00e9rique, diagnostic sant\u00e9, interpr\u00e9tation des r\u00e9sultats, laboratoire m\u00e9dical, indications de test, Clinique Omicron, examens m\u00e9dicaux","_metasync_otto_og_title":"","_metasync_otto_og_description":"D\u00e9couvrez \u00e0 quoi sert le dosage de l'alpha-1-glycoprot\u00e9ine acide, quand ce test est prescrit et comment interpr\u00e9ter vos r\u00e9sultats. Disponible dans les points...","_metasync_otto_twitter_title":"","_metasync_otto_twitter_description":"D\u00e9couvrez \u00e0 quoi sert le dosage de l'alpha-1-glycoprot\u00e9ine acide, quand ce test est prescrit et comment interpr\u00e9ter vos r\u00e9sultats. 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Disponible dans les points de service de Clinique Omicron au Qu\u00e9bec.","_metasync_seo_title":"Test Alpha-1-Antitrypsine S\u00e9rique | Clinique Omicron","_metasync_seo_desc":"","_metasync_breadcrumb_title":"","_metasync_primary_category":0,"_metasync_primary_product_cat":0,"_metasync_imported_seo_title":"","_metasync_imported_seo_desc":"","_metasync_otto_disabled":"","_metasync_hreflang":"","_metasync_plugin_sync_ts":"{\"aioseo\":\"2026-09-03T08:15:45+00:00\"}","_metasync_robots_advanced":"","_metasync_og_title":"","_metasync_og_description":"D\u00e9couvrez \u00e0 quoi sert le dosage de l'alpha-1-glycoprot\u00e9ine acide, quand ce test est prescrit et comment interpr\u00e9ter vos r\u00e9sultats. Disponible dans les points...","_metasync_twitter_title":"","_metasync_twitter_description":"D\u00e9couvrez \u00e0 quoi sert le dosage de l'alpha-1-glycoprot\u00e9ine acide, quand ce test est prescrit et comment interpr\u00e9ter vos r\u00e9sultats. 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