{"id":241847,"date":"2025-02-05T22:30:18","date_gmt":"2025-02-05T22:30:18","guid":{"rendered":"https:\/\/msacanada.ca\/quest-ce-que-la-msa\/possible-msa-symptoms\/"},"modified":"2025-05-16T13:15:15","modified_gmt":"2025-05-16T13:15:15","slug":"symptomes-et-diagnostics-errones","status":"publish","type":"page","link":"https:\/\/msacanada.ca\/fr\/quest-ce-que-ams\/symptomes-et-diagnostics-errones\/","title":{"rendered":"Sympt\u00f4mes et diagnostics erron\u00e9s"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=\u00a0\u00bb.vc_custom_1738793981250{padding-bottom: 30px !important;}\u00a0\u00bb][vc_column][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb2\/3&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Cette explication a pour seul but d\u2019illustrer la difficult\u00e9 d\u2019\u00e9tablir un diagnostic de l\u2019atrophie multisyst\u00e9matis\u00e9e (AMS). Pour toute question suppl\u00e9mentaire, veuillez consulter votre m\u00e9decin traitant.<\/p>\n<p>L\u2019atrophie multisyst\u00e9matis\u00e9e (AMS) est une maladie neurod\u00e9g\u00e9n\u00e9rative progressive de l\u2019adulte qui se manifeste cliniquement par une d\u00e9faillance autonome, un parkinsonisme et une ataxie, pouvant appara\u00eetre seuls ou en combinaison.<\/p>\n<p>Actuellement, ce sont les crit\u00e8res du deuxi\u00e8me consensus qui sont utilis\u00e9s pour poser un diagnostic d\u2019AMS. Cependant, ces crit\u00e8res pr\u00e9sentent des probl\u00e8mes importants tels qu\u2019une faible sensibilit\u00e9 diagnostique et une sp\u00e9cificit\u00e9 moins qu\u2019optimale, notamment aux premiers stades de la maladie.<\/p>\n<p>Vous trouverez ci-dessous une liste de sympt\u00f4mes pouvant parfois \u00eatre associ\u00e9s \u00e0 un diagnostic d\u2019atrophie multisyst\u00e9matis\u00e9e, que le m\u00e9decin doit garder \u00e0 l\u2019esprit. Ces sympt\u00f4mes peuvent r\u00e9sulter de diff\u00e9rents troubles. Par cons\u00e9quent, il revient \u00e0 un m\u00e9decin avis\u00e9 de poser le bon diagnostic.<br \/>\n[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-241190\" src=\"https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis.png\" alt=\"Doctor with elderly woman patient\" width=\"800\" height=\"800\" srcset=\"https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis.png 800w, https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis-300x300.png 300w, https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis-150x150.png 150w, https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis-768x768.png 768w, https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis-600x600.png 600w, https:\/\/msacanada.ca\/wp-content\/uploads\/2025\/04\/MSA-Diagnosis-200x200.png 200w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Causes secondaires de la d\u00e9faillance autonome<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Diab\u00e8te sucr\u00e9<\/li>\n<li>Ur\u00e9mie<\/li>\n<li>Maladie du foie<\/li>\n<li>Exposition aux m\u00e9dicaments et toxines (chimioth\u00e9rapie et radioth\u00e9rapie)<\/li>\n<li>Borreliose, syphilis et infection par le VIH<\/li>\n<li>Amylo\u00efdose<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Syndromes paran\u00e9oplasiques<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Ganglionopathie autonome auto-immune<\/li>\n<li>N\u00e9vropathie autonome paran\u00e9oplasique<\/li>\n<li>D\u00e9g\u00e9n\u00e9rescence c\u00e9r\u00e9belleuse paran\u00e9oplasique<\/li>\n<li>Enc\u00e9phalopathie de Hashimoto<\/li>\n<li>Ataxie anti-GAD<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Maladies auto-immunes<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Syndrome de Sj\u00f6gren<\/li>\n<li>Lupus \u00e9ryth\u00e9mateux syst\u00e9mique<\/li>\n<li>Polyarthrite rhumato\u00efde<\/li>\n<li>Ataxie au gluten<\/li>\n<li>Maladie de Beh\u00e7et<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_empty_space height=\u00a0\u00bb30px\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h4><strong><em>\u00c9tiologies alternatives des principaux sympt\u00f4mes autonomes<\/em><\/strong><\/h4>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Hypotension orthostatique<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Polym\u00e9dication<\/li>\n<li>M\u00e9dicaments dopaminergiques, en particulier la l\u00e9vodopa (intestinale &gt; orale)<\/li>\n<li>M\u00e9dicaments antihypertenseurs et diur\u00e9tiques<\/li>\n<li>M\u00e9dicaments neuroleptiques<\/li>\n<li>M\u00e9dicaments vasoactifs<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>An\u00e9mie<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Hypovol\u00e9mie (diarrh\u00e9e, perte de sang)<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Syncope<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Maladies cardiopulmonaires (st\u00e9nose aortique, tachy- ou bradyarythmie, maladie cardiaque isch\u00e9mique, embolie pulmonaire)<\/li>\n<li>Hypoglyc\u00e9mie<\/li>\n<li>Intoxication<\/li>\n<li>Crise \u00e9pileptique ou crise non \u00e9pileptique d&rsquo;origine psychog\u00e8ne<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Probl\u00e8mes de r\u00e9tention urinaire<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Hypertrophie b\u00e9nigne de la prostate (hommes)<\/li>\n<li>Rel\u00e2chement\/prolapsus du plancher pelvien apr\u00e8s plusieurs accouchements (femmes)<\/li>\n<li>Infections urinaires<\/li>\n<li>Chirurgie pelvienne<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Probl\u00e8mes de vidange urinaire<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Hypertrophie b\u00e9nigne de la prostate (hommes)<\/li>\n<li>Masses pelviennes<\/li>\n<li>Chirurgie pelvienne<\/li>\n<li>Syndrome de la queue de cheval<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Dysfonction sexuelle<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Effets secondaires des m\u00e9dicaments<\/li>\n<li>Maladies cardiovasculaires<\/li>\n<li>Tabagisme (hommes)<\/li>\n<li>Alcool (hommes)<\/li>\n<li>M\u00e9nopause (femmes)<\/li>\n<li>Maladie thyro\u00efdienne<\/li>\n<li>Psychog\u00e8ne<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Troubles de la d\u00e9glutition<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Masse au niveau du tractus gastro-intestinal sup\u00e9rieur<\/li>\n<li>Radioth\u00e9rapie<\/li>\n<li>Achalasie et spasmes \u0153sophagiens<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Constipation \/ Diarrh\u00e9e<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Masses du bas tractus gastro-intestinal<\/li>\n<li>Syndrome de l\u2019intestin irritable<\/li>\n<li>Maladies inflammatoires de l\u2019intestin<\/li>\n<li>Maladies infectieuses<\/li>\n<li>Antibiotiques \/ alimentation<\/li>\n<li>Maladies de la thyro\u00efde et des parathyro\u00efdes<\/li>\n<li>Troubles du m\u00e9tabolisme du calcium<\/li>\n<li>Fissure anale<\/li>\n<li>L\u00e9sion de la moelle \u00e9pini\u00e8re<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Stridor, dysphonie et soupirs inspiratoires<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Infection laryng\u00e9e chronique et masses laryng\u00e9es<\/li>\n<li>Masses thoraciques causant une st\u00e9nose extrins\u00e8que ou affectant le nerf laryng\u00e9 r\u00e9current<\/li>\n<li>L\u00e9sions iatrog\u00e8nes du nerf laryng\u00e9 r\u00e9current lors d\u2019une chirurgie<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Hypo\/anhydrose<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Hypothyro\u00efdie<\/li>\n<li>Maladies cutan\u00e9es primaires<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Vision floue, photophobie et diminution de la vision nocturne<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Cataracte et autres troubles oculaires primaires<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner css=\u00a0\u00bb.vc_custom_1738793353587{margin-top: 20px !important;}\u00a0\u00bb][vc_column_inner]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\" style=\"color: #1E1E1E;\"><span class=\"separator-holder separator-left\"><\/span>Mains et pieds froids<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_empty_space height=\u00a0\u00bb10px\u00a0\u00bb]<div class=\"standard-arrow bullet-top\"><ul>\n<li>Maladie art\u00e9rielle p\u00e9riph\u00e9rique<\/li>\n<\/ul>\n<\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1738793999655{margin-bottom: -70px !important;padding-top: 30px !important;padding-bottom: 30px !important;background-color: #F8F8F8 !important;}\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<strong>Ressources pour en savoir plus :<\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.merriam-webster.com\/medical\" target=\"_blank\" rel=\"noopener\">Dictionnaire de m\u00e9decine<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.cdc.gov\/diseasesconditions\/az\/a.html\" target=\"_blank\" rel=\"noopener\">CDC \u2013 Maladies et affections<\/a><\/strong><\/p>\n<p><strong>R\u00e9f\u00e9rences<\/strong><\/p>\n<ul>\n<li>Kim, Han-Joon et al. Affections mimant l&rsquo;atrophie multisyst\u00e9matis\u00e9e : d\u00e9fis diagnostiques. Parkinsonism &amp; Related Disorders, Volume 22, S12 \u2013 S15<\/li>\n<li>Stankovic, I., et al., Une critique des deuxi\u00e8mes crit\u00e8res consensuels pour l&rsquo;atrophie multisyst\u00e9matis\u00e9e. Mov Disord, 34 : 975-984. doi : <a href=\"https:\/\/doi.org\/10.1002\/mds.27701\" target=\"_blank\" rel=\"noopener\">1002\/mds.27701<\/a><\/li>\n<\/ul>\n<p><strong>Pr\u00e9par\u00e9 par :<\/strong> <strong>Dr Oybek E. Turgunkhujaev<\/strong> (\u201cDr Teo\u201d \u2013 Neurologue consultant, troubles du mouvement)<br \/>\n[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=\u00a0\u00bb.vc_custom_1738793981250{padding-bottom: 30px !important;}\u00a0\u00bb][vc_column][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb2\/3&Prime;][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]Cette explication a pour seul but d\u2019illustrer la difficult\u00e9 d\u2019\u00e9tablir un diagnostic de l\u2019atrophie multisyst\u00e9matis\u00e9e (AMS). Pour toute question suppl\u00e9mentaire, veuillez consulter votre m\u00e9decin traitant. L\u2019atrophie multisyst\u00e9matis\u00e9e (AMS) est une maladie neurod\u00e9g\u00e9n\u00e9rative progressive de l\u2019adulte qui se manifeste cliniquement par une d\u00e9faillance autonome, un parkinsonisme et une ataxie, pouvant&hellip;<\/p>\n","protected":false},"author":2,"featured_media":241712,"parent":241831,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-241847","page","type-page","status-publish","has-post-thumbnail","hentry","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sympt\u00f4mes de l\u2019AMS et erreurs de diagnostic<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les sympt\u00f4mes complexes et les d\u00e9fis li\u00e9s \u00e0 l\u2019AMS. 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