{"id":7596,"date":"2022-11-22T13:00:22","date_gmt":"2022-11-22T10:00:22","guid":{"rendered":"https:\/\/urbancare.clinic\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\/"},"modified":"2022-11-22T13:00:22","modified_gmt":"2022-11-22T10:00:22","slug":"evaluation-olfactive-chez-les-patients-hospitalises-et-auto-isoles-atteints-de-covid-19-une-experience-monocentrique-sur-55-cas","status":"publish","type":"post","link":"https:\/\/urbancare.clinic\/fr\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\/","title":{"rendered":"\u00c9valuation olfactive chez des patients hospitalis\u00e9s et auto-isol\u00e9s atteints de COVID-19 : une exp\u00e9rience monocentrique sur 55 cas"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/urbancare.clinic\/wp-content\/uploads\/2023\/02\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases.jpg\" class=\"ff-og-image-inserted\" style=\"display:none\"><\/div>\n<p><span class=\"highwire-journal-article-marker-start\"><\/span><\/p>\n<div class=\"section intro\" id=\"sec-5\" readability=\"11.766990291262\">\n<h2 class>Introduction<\/h2>\n<p id=\"p-6\">La perte d\u2019odorat est l\u2019un des sympt\u00f4mes les plus courants de l\u2019infection au COVID-19.<a id=\"xref-ref-1-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-1\">1 2<\/a> La majorit\u00e9 des \u00e9tudes \u00e9valuaient le dysfonctionnement olfactif autod\u00e9clar\u00e9, tandis que seules quelques \u00e9tudes \u00e9valuaient objectivement les patients.<a id=\"xref-ref-3-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-3\">3 \u00e0 7<\/a> Le but de notre \u00e9tude \u00e9tait d\u2019\u00e9valuer la capacit\u00e9 de sentir chez les patients hospitalis\u00e9s et auto-isol\u00e9s \u00e0 domicile atteints de COVID-19 et de comparer ces r\u00e9sultats avec la fonction olfactive subjective et autod\u00e9clar\u00e9e.<\/p>\n<\/div>\n<div class=\"section methods\" id=\"sec-6\" readability=\"39.278936657339\">\n<h2 class>M\u00e9thodes<\/h2>\n<div id=\"sec-7\" class=\"subsection\" readability=\"18\">\n<h3>Participants \u00e0 l&#039;\u00e9tude<\/h3>\n<p id=\"p-7\">L&#039;\u00e9tude a \u00e9t\u00e9 men\u00e9e sur 55 patients adultes atteints de COVID-19 avec un \u00e9couvillon\/aspiration positif pour l&#039;infection par le SRAS-CoV-2, qui ont \u00e9t\u00e9 trait\u00e9s dans le service COVID-19 (D\u00e9partement des maladies infectieuses, Centre m\u00e9dical universitaire de Ljubljana) ou ont \u00e9t\u00e9, en raison \u00e0 une \u00e9volution plus l\u00e9g\u00e8re de la maladie, en s&#039;isolant \u00e0 la maison. Vingt-quatre patients pr\u00e9sentant une \u00e9volution s\u00e9v\u00e8re du COVID-19 ont \u00e9t\u00e9 test\u00e9s \u00e0 l\u2019h\u00f4pital vers la fin de la phase aigu\u00eb de la maladie (patients hospitalis\u00e9s atteints du COVID-19), lorsque les patients \u00e9taient stables et ne n\u00e9cessitaient pas d\u2019assistance respiratoire ni de suppl\u00e9mentation en oxyg\u00e8ne. Trente et un patients ont \u00e9t\u00e9 test\u00e9s en ambulatoire apr\u00e8s la fin de l\u2019auto-isolement (patients auto-isol\u00e9s \u00e0 domicile atteints de COVID-19). Le groupe t\u00e9moin \u00e9tait compos\u00e9 de 44 patients cons\u00e9cutifs qui ont consult\u00e9 une clinique externe de neurologie g\u00e9n\u00e9rale en raison de sympt\u00f4mes tels que vertiges, migraines et syndrome du nerf coinc\u00e9, et qui n&#039;avaient aucune suspicion de maladie neurod\u00e9g\u00e9n\u00e9rative ou de sympt\u00f4mes d&#039;infection respiratoire au cours des 2 derniers mois. Les \u00e9valuations ont \u00e9t\u00e9 r\u00e9alis\u00e9es entre mars et mai 2020. Pour plus de d\u00e9tails sur les m\u00e9thodes, voir le fichier suppl\u00e9mentaire 1.<\/p>\n<\/div>\n<div id=\"sec-8\" class=\"subsection\" readability=\"42.358208955224\">\n<h3>\u00c9valuation olfactive<\/h3>\n<p id=\"p-8\">La fonction olfactive autod\u00e9clar\u00e9e a \u00e9t\u00e9 \u00e9valu\u00e9e en demandant aux participants d&#039;\u00e9valuer leur fonction olfactive subjectivement per\u00e7ue sur une \u00e9chelle de 1 \u00e0 10, o\u00f9 1 signifie aucune capacit\u00e9 odorante et 10 ne repr\u00e9sente aucune difficult\u00e9. Ils ont \u00e9galement \u00e9valu\u00e9 l\u2019obstruction nasale sur une \u00e9chelle de 1 \u00e0 10, o\u00f9 1 signifie une obstruction nasale compl\u00e8te et 10 repr\u00e9sente une perm\u00e9abilit\u00e9 nasale compl\u00e8te. En outre, les patients atteints de COVID-19 ont \u00e9t\u00e9 interrog\u00e9s sur la pr\u00e9sence de parosmie avec la question \u00ab Depuis que vous \u00eates malade, la qualit\u00e9 de votre odeur a-t-elle chang\u00e9, par exemple pouvez-vous sentir des choses qui n&#039;existent pas ?<\/p>\n<p id=\"p-9\">Des odeurs semi-objectives et valid\u00e9es Burghart Sniffin&#039; Sticks \u00ab Screening 12 Test \u00bb (Burghart Instruments, Wedel, Allemagne) ont ensuite \u00e9t\u00e9 utilis\u00e9es, compos\u00e9es de 12 parfums quotidiens (<a id=\"xref-table-wrap-1-1\" class=\"xref-table\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#T1\">Tableau 1<\/a>).<a id=\"xref-ref-8-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-8\">8 9<\/a> Selon le normogramme valid\u00e9 de Burghart Sniffin&#039; Sticks, les patients normosmiques avaient besoin de 10 r\u00e9ponses correctes, les patients hyposmiques de 6 \u00e0 10 et les patients ansomiques de 0 \u00e0 5 bonnes r\u00e9ponses. \u00c9tant donn\u00e9 que la capacit\u00e9 olfactive d\u00e9pend \u00e9galement de l&#039;\u00e2ge et du sexe, chaque participant a \u00e9t\u00e9 attribu\u00e9 \u00e0 une fourchette de percentiles (inf\u00e9rieure au 10e, 10e au 50e, 50e au 90e, sup\u00e9rieure au 90e) selon les tableaux ci-joints.<a id=\"xref-ref-9-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-9\">9<\/a>\n<\/p>\n<div id=\"T1\" class=\"table pos-float\" readability=\"5.2666666666667\">\n<div class=\"table-inline table-callout-links\">\n<div class=\"callout\"><span>Voir ce tableau\u00a0:<\/span><\/div>\n<\/div>\n<div class=\"table-caption\" readability=\"7\"><span class=\"table-label\">Tableau 1<\/span> <\/p>\n<p id=\"p-10\" class=\"first-child\">Caract\u00e9ristiques des participants et r\u00e9sultats des tests olfactifs<\/p>\n<\/div>\n<\/div>\n<p id=\"p-12\">En outre, les participants ont rempli un questionnaire documentant les comorbidit\u00e9s, notamment la rhinosinusite chronique, les maladies pulmonaires et cardiaques, le diab\u00e8te, l&#039;hypertension, les traumatismes cr\u00e2niens, le cancer, le traitement par chimioth\u00e9rapie ou radioth\u00e9rapie, ainsi que le tabagisme.<\/p>\n<\/div>\n<div id=\"sec-9\" class=\"subsection\" readability=\"21\">\n<h3>analyses statistiques<\/h3>\n<p id=\"p-13\">IBM Statistical Package for Social Sciences pour Windows, le logiciel Sciences V.23 (IBM Corporation, Armonk, New York, USA) a \u00e9t\u00e9 utilis\u00e9. Pour \u00e9valuer les diff\u00e9rences entre les patients hospitalis\u00e9s atteints de COVID-19, les patients auto-isol\u00e9s \u00e0 domicile atteints de COVID-19 et les contr\u00f4les dans les variables d&#039;odeur (percentiles et variables de normosmie, d&#039;hyposmie et d&#039;anosmie) et les comorbidit\u00e9s, le test exact de Fisher a \u00e9t\u00e9 utilis\u00e9. Le test de Kruskal-Wallis a \u00e9t\u00e9 utilis\u00e9 pour tester les diff\u00e9rences dans le score total (en tant que somme des r\u00e9ponses correctes pour les 12 parfums) et pour une auto-\u00e9valuation de l&#039;odorat et de l&#039;obstruction nasale. La r\u00e9gression lin\u00e9aire a \u00e9t\u00e9 utilis\u00e9e pour \u00e9valuer la relation entre la fonction olfactive (score total au test de d\u00e9pistage 12) et le temps \u00e9coul\u00e9 depuis l&#039;infection au COVID-19 (nombre de jours entre l&#039;\u00e9couvillonnage positif et le test). L&#039;analyse de corr\u00e9lation de Spearman a \u00e9t\u00e9 r\u00e9alis\u00e9e pour d\u00e9crire l&#039;association entre l&#039;\u00e9valuation subjective et semi-objective de l&#039;odorat, ainsi que pour comparer l&#039;auto-\u00e9valuation ou le score total au test de d\u00e9pistage 12 et l&#039;obstruction nasale auto-\u00e9valu\u00e9e. Les variables cat\u00e9gorielles sont pr\u00e9sent\u00e9es sous forme de nombre de cas (pourcentages), m\u00e9diane continue (IQR\u2014IQR). Tous les tests \u00e9taient bilat\u00e9raux avec une valeur de p &lt;0,05 consid\u00e9r\u00e9e comme statistiquement significative.<\/p>\n<\/div>\n<div id=\"sec-10\" class=\"subsection\" readability=\"7\">\n<h3>Approbations du protocole standard et consentement du patient<\/h3>\n<p id=\"p-14\">Tous les patients ont donn\u00e9 leur consentement \u00e9clair\u00e9 pour participer \u00e0 l&#039;\u00e9tude.<\/p>\n<\/div>\n<\/div>\n<div class=\"section results\" id=\"sec-11\" readability=\"48.460055096419\">\n<h2 class>R\u00e9sultats<\/h2>\n<p id=\"p-15\">Les r\u00e9sultats des tests olfactifs et les perceptions subjectives des participants sont pr\u00e9sent\u00e9s dans <a id=\"xref-table-wrap-1-2\" class=\"xref-table\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#T1\">Tableau 1<\/a>. Les patients hospitalis\u00e9s atteints de COVID-19 ont correctement d\u00e9termin\u00e9 6,5 (IQR 5) contre 10 (IQR 2) dans le groupe auto-isol\u00e9 et 11 (IQR 3) dans le groupe t\u00e9moin (p &lt; 0,001) (hospitalis\u00e9s vs auto-isol\u00e9s et hospitalis\u00e9s vs contr\u00f4les , p&lt;0,001, auto-isol\u00e9 vs contr\u00f4les, p=0,494). Il y avait 66,71 patients TP3T hospitalis\u00e9s avec COVID-19, 3,21 patients TP3T auto-isol\u00e9s avec COVID-19 et 15,91 patients t\u00e9moins TP3T dont les scores \u00e9taient inf\u00e9rieurs au 10e centile d&#039;odeur pour le sexe et l&#039;\u00e2ge (p &lt; 0,001) (hospitalis\u00e9s vs auto-isol\u00e9s et hospitalis\u00e9s vs contr\u00f4les, p &lt; 0,001\u00a0; auto-isolement vs contr\u00f4les, p = 0,130). La r\u00e9gression lin\u00e9aire a montr\u00e9 une relation significative entre la capacit\u00e9 de sentir et le temps \u00e9coul\u00e9 depuis un pr\u00e9l\u00e8vement positif pour l&#039;infection par le SRAS-CoV-2 (F (1, 51) = 14,949, p &lt;0,001, R<sup>2<\/sup>=0.222).<\/p>\n<p id=\"p-16\">Les patients hospitalis\u00e9s atteints de COVID-19 ont auto-\u00e9valu\u00e9 leurs capacit\u00e9s olfactives avec une m\u00e9diane de 5 (IQR 7) contre 8 (IQR 2) chez les patients auto-isol\u00e9s atteints de COVID-19 et 9 (IQR 3) dans le groupe t\u00e9moin (<a id=\"xref-table-wrap-1-3\" class=\"xref-table\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#T1\">Tableau 1<\/a>, p&lt;0,001). La corr\u00e9lation entre l&#039;auto-\u00e9valuation subjective et les tests olfactifs semi-objectifs n&#039;\u00e9tait pas significative chez les patients hospitalis\u00e9s (p = 0,423, coefficient de corr\u00e9lation de Spearman = 0,176) et les patients auto-isol\u00e9s atteints de COVID-19 (p = 0,449, coefficient de corr\u00e9lation de Spearman = 0,141), tandis que chez les t\u00e9moins sains, il existait une corr\u00e9lation positive mod\u00e9r\u00e9e significative (p = 0,001, coefficient de corr\u00e9lation de Spearman = 0,499). Il n&#039;y avait aucune corr\u00e9lation entre la capacit\u00e9 olfactive auto-\u00e9valu\u00e9e et l&#039;obstruction nasale auto-\u00e9valu\u00e9e dans les deux groupes COVID-19 (COVID-19 hospitalis\u00e9, p = 0,945, coefficient de corr\u00e9lation de Spearman = 0,018, COVID-19 auto-isol\u00e9, p = 0,147, coefficient de corr\u00e9lation de Spearman). coefficient de corr\u00e9lation = 0,267), mais ils \u00e9taient faiblement corr\u00e9l\u00e9s dans le groupe t\u00e9moin (p = 0,022, coefficient de corr\u00e9lation de Spearman = 0,343). De plus, il n&#039;y avait aucune corr\u00e9lation entre l&#039;auto-\u00e9valuation subjective de l&#039;obstruction nasale et les r\u00e9sultats du \u00ab test de d\u00e9pistage 12 \u00bb (COVID-19 aigu p = 0,622, coefficient de corr\u00e9lation de Spearman = 0,129, COVID-19 auto-isol\u00e9 p = 0,502, corr\u00e9lation de Spearman coefficient = \u22120,125, groupe t\u00e9moin p=0,499, coefficient de corr\u00e9lation de Spearman=0,105).<\/p>\n<p id=\"p-17\">Seuls 61,81 TP3T des patients ont r\u00e9pondu \u00e0 la question sur les changements qualitatifs de l&#039;odorat. La parosmie \u00e9tait pr\u00e9sente chez 4 (33,3%) hospitalis\u00e9s et 11 (50,0%) patients auto-isol\u00e9s (p=0,350) atteints de COVID-19. Les trois groupes ne diff\u00e9raient pas en termes de comorbidit\u00e9s. (<a id=\"xref-table-wrap-2-1\" class=\"xref-table\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#T2\">Tableau 2<\/a>), sauf en cas d&#039;allergies et d&#039;ob\u00e9sit\u00e9. Les participants du groupe t\u00e9moin avaient plus d\u2019allergies (11 (25,6%)) que les patients auto-isol\u00e9s atteints de COVID-19 (3 (10,0%)) et les patients hospitalis\u00e9s atteints de COVID-19 (p=0,042). Les patients hospitalis\u00e9s atteints de COVID-19 \u00e9taient plus susceptibles d\u2019\u00eatre ob\u00e8ses (4 (26,7%)) que les patients auto-isol\u00e9s atteints de COVID-19 et (3 (7,0%)) t\u00e9moins (p = 0,011).<\/p>\n<div id=\"T2\" class=\"table pos-float\" readability=\"5.2142857142857\">\n<div class=\"table-inline table-callout-links\">\n<div class=\"callout\"><span>Voir ce tableau\u00a0:<\/span><\/div>\n<\/div>\n<div class=\"table-caption\" readability=\"7\"><span class=\"table-label\">Tableau 2<\/span> <\/p>\n<p id=\"p-18\" class=\"first-child\">Comorbidit\u00e9s et statut tabagique des participants<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section discussion\" id=\"sec-12\" readability=\"61.326684397163\">\n<h2 class>Discussion<\/h2>\n<p id=\"p-21\">Les principales conclusions de notre \u00e9tude sont\u00a0: (1) L&#039;hyposmie ou l&#039;anosmie \u00e9tait pr\u00e9sente chez une grande majorit\u00e9 de patients hospitalis\u00e9s (87,5%), les deux tiers des patients hospitalis\u00e9s atteints de COVID-19 \u00e9tant inf\u00e9rieurs au 10e percentile pour leur \u00e2ge et leur sexe, (2) La fonction olfactive \u00e9tait significativement plus alt\u00e9r\u00e9e chez les patients hospitalis\u00e9s atteints de COVID-19 que chez les patients atteints de COVID-19 auto-isol\u00e9s \u00e0 la maison et chez les participants t\u00e9moins, et (3) La corr\u00e9lation entre l&#039;\u00e9valuation subjective de l&#039;odorat et les tests semi-objectifs de l&#039;odorat n&#039;\u00e9tait pas fiable. chez les patients hospitalis\u00e9s et auto-isol\u00e9s atteints de COVID-19, mais pas chez les participants t\u00e9moins.<\/p>\n<p id=\"p-22\">Notre d\u00e9couverte selon laquelle une grande majorit\u00e9 de patients hospitalis\u00e9s pr\u00e9sentaient un certain degr\u00e9 de perte d\u2019odorat est importante. Les premi\u00e8res \u00e9tudes, qui ont toutes utilis\u00e9 les auto-\u00e9valuations des patients, ont rapport\u00e9 que la perte d&#039;odorat chez les patients atteints de COVID-19 pourrait \u00eatre li\u00e9e \u00e0 une \u00e9volution plus l\u00e9g\u00e8re de la maladie.<a id=\"xref-ref-10-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-10\">10-13<\/a> Cela contraste fortement avec nos r\u00e9sultats, o\u00f9 87,51 TP3T de patients hospitalis\u00e9s en raison d\u2019une \u00e9volution s\u00e9v\u00e8re du COVID-19 ont manifest\u00e9 une hyposmie ou une anosmie lors des tests olfactifs. De m\u00eame, Moein <em>et al<\/em> ont d\u00e9couvert que 96% des patients hospitalis\u00e9s pr\u00e9sentaient un dysfonctionnement olfactif mesurable, le 18% \u00e9tant anosmique. La raison de cet \u00e9cart est probablement due au fait que les enqu\u00eates autod\u00e9clar\u00e9es ont tendance \u00e0 sous-estimer la pr\u00e9valence de la perte olfactive chez les patients atteints de COVID-19.<a id=\"xref-ref-3-2\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-3\">3 4 6 7 11 14-17<\/a> et cela peut \u00eatre particuli\u00e8rement \u00e9vident chez les patients souffrant d\u2019une maladie respiratoire grave. En effet, il a \u00e9t\u00e9 sugg\u00e9r\u00e9 que le dysfonctionnement olfactif peut \u00eatre n\u00e9glig\u00e9 ou oubli\u00e9 en cas de maladie grave, d&#039;assistance ventilatoire et de r\u00e9cup\u00e9ration prolong\u00e9e.<a id=\"xref-ref-4-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-4\">4<\/a>\n<\/p>\n<p id=\"p-23\">La fonction olfactive \u00e9tait significativement plus alt\u00e9r\u00e9e chez les patients hospitalis\u00e9s que chez les patients auto-isol\u00e9s atteints de COVID-19 et les participants t\u00e9moins. Cela peut s\u2019expliquer par le temps \u00e9coul\u00e9 entre la contraction de l\u2019infection et les tests olfactifs, qui \u00e9tait plus long dans le groupe auto-isol\u00e9. En effet, l\u2019analyse de r\u00e9gression a confirm\u00e9 la relation positive entre le score olfactif et le d\u00e9lai \u00e9coul\u00e9 depuis un pr\u00e9l\u00e8vement positif pour le SRAS-CoV-2. Il est bien connu que le dysfonctionnement olfactif du COVID-19 est largement r\u00e9versible et que plus le temps \u00e9coul\u00e9 depuis l\u2019apparition des sympt\u00f4mes est long, plus les patients ont de chances d\u2019avoir une fonction olfactive normale.<a id=\"xref-ref-17-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-17\">17<\/a>\n<\/p>\n<p id=\"p-24\">L\u2019absence de corr\u00e9lation entre l\u2019obstruction nasale auto-\u00e9valu\u00e9e et l\u2019\u00e9valuation subjective ou semi-objective de l\u2019odorat sugg\u00e8re que le dysfonctionnement olfactif chez les patients atteints de COVID-19 n\u2019\u00e9tait pas d\u00fb \u00e0 une obstruction nasale mais plut\u00f4t \u00e0 une cons\u00e9quence de l\u2019inflammation de l\u2019\u00e9pith\u00e9lium olfactif.<a id=\"xref-ref-18-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-18\">18<\/a>\n<\/p>\n<p id=\"p-25\">Seules quelques \u00e9tudes ant\u00e9rieures portant sur des patients atteints de COVID-19 combinaient une \u00e9valuation subjective avec des tests semi-objectifs ou objectifs chez les m\u00eames patients et notaient des \u00e9carts significatifs entre la pr\u00e9valence de la perte d\u2019odorat autod\u00e9clar\u00e9e et mesur\u00e9e.<a id=\"xref-ref-2-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-2\">2-4 17<\/a> Contrairement \u00e0 ces \u00e9tudes, o\u00f9 la d\u00e9ficience olfactive subjective \u00e9tait v\u00e9rifi\u00e9e par oui\/non (question ferm\u00e9e), nos sujets ont \u00e9valu\u00e9 la capacit\u00e9 de sentir sur une \u00e9chelle num\u00e9rique de 1 \u00e0 10, ce qui nous a permis d&#039;effectuer une analyse de corr\u00e9lation entre les scores subjectifs et objectifs. Nous n&#039;avons trouv\u00e9 aucune association entre l&#039;\u00e9valuation subjective de l&#039;odorat et les tests semi-objectifs chez les patients hospitalis\u00e9s et auto-isol\u00e9s atteints de COVID-19, tandis que les participants t\u00e9moins ont montr\u00e9 une corr\u00e9lation positive mod\u00e9r\u00e9e. Cette d\u00e9couverte sugg\u00e8re que l\u2019auto-\u00e9valuation de la fonction olfactive chez les patients atteints de COVID-19 n\u2019est pas fiable, m\u00eame avec l\u2019utilisation d\u2019une \u00e9chelle d\u2019\u00e9valuation plus pr\u00e9cise. En effet, un faible accord entre la fonction olfactive autod\u00e9clar\u00e9e et les tests objectifs n\u2019est pas une caract\u00e9ristique distinctive de la perte d\u2019odeur due au COVID-19 et a d\u00e9j\u00e0 \u00e9t\u00e9 d\u00e9crit chez des individus en bonne sant\u00e9, jeunes et \u00e2g\u00e9s, ainsi que chez des patients pr\u00e9sentant des troubles cognitifs.<a id=\"xref-ref-19-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-19\">19-21<\/a> En fait, une \u00e9tude sur des individus en bonne sant\u00e9 et non entra\u00een\u00e9s a montr\u00e9 que l\u2019auto-\u00e9valuation olfactive est mieux li\u00e9e \u00e0 la perm\u00e9abilit\u00e9 per\u00e7ue des voies respiratoires nasales qu\u2019\u00e0 la fonction olfactive mesurable.<a id=\"xref-ref-21-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-21\">21<\/a>\n<\/p>\n<p id=\"p-26\">Les points forts de notre \u00e9tude r\u00e9sident dans l&#039;utilisation d&#039;un test de fonction olfactive bien valid\u00e9 qui permet de d\u00e9terminer diff\u00e9rents degr\u00e9s de dysfonctionnement olfactif et d&#039;inclure des patients hospitalis\u00e9s gravement malades. Les limites sont la taille relativement petite de l&#039;\u00e9chantillon et l&#039;utilisation d&#039;un test de 12 \u00e9l\u00e9ments. Il a \u00e9t\u00e9 d\u00e9montr\u00e9 qu&#039;en ambulatoire, la fiabilit\u00e9 des tests est fonction de la dur\u00e9e du test, les tests d&#039;identification des odeurs plus courts \u00e9tant moins sensibles aux d\u00e9ficits olfactifs.<a id=\"xref-ref-22-1\" class=\"xref-bibr\" href=\"https:\/\/pmj.bmj.com\/content\/98\/1166\/902?rss=1#ref-22\">22<\/a> N\u00e9anmoins, des tests courts peuvent \u00eatre plus appropri\u00e9s en milieu hospitalier, car les r\u00e9sultats de tests plus longs peuvent \u00eatre affect\u00e9s par l&#039;inattention et la coop\u00e9ration inad\u00e9quate des patients gravement malades.<\/p>\n<\/div>\n<div class=\"section conclusions\" id=\"sec-13\" readability=\"11.695473251029\">\n<h2 class>Conclusions<\/h2>\n<p id=\"p-27\">Contrairement aux rapports sugg\u00e9rant que la pr\u00e9sence d&#039;une perte olfactive peut pr\u00e9dire une \u00e9volution plus l\u00e9g\u00e8re de la maladie, notre \u00e9tude a r\u00e9v\u00e9l\u00e9 qu&#039;une grande majorit\u00e9 de patients souffrant d&#039;une maladie respiratoire grave pr\u00e9sentaient une d\u00e9ficience olfactive importante. Les patients hospitalis\u00e9s atteints du COVID-19 et les patients pr\u00e9sentant une \u00e9volution plus l\u00e9g\u00e8re de la maladie et auto-isol\u00e9s \u00e0 la maison ont obtenu de moins bons r\u00e9sultats aux tests olfactifs subjectifs et semi-objectifs que les t\u00e9moins sains, mais leur \u00e9valuation subjective de la fonction olfactive n&#039;\u00e9tait pas en corr\u00e9lation avec les r\u00e9sultats des tests. Cette d\u00e9couverte confirme que l\u2019auto-\u00e9valuation de la fonction olfactive chez les patients atteints de COVID-19 n\u2019est pas fiable.<\/p>\n<div class=\"boxed-text\" id=\"boxed-text-1\">\n<h3>Principaux messages<\/h3>\n<ul class=\"list-unord\" id=\"list-1\" readability=\"3.5\">\n<li id=\"list-item-1\" readability=\"5\">\n<p id=\"p-28\">La perte d&#039;odorat est pr\u00e9sente chez la majorit\u00e9 des patients atteints de COVID-19, chez ceux dont l&#039;\u00e9volution de la maladie est plus l\u00e9g\u00e8re, n\u00e9cessitant uniquement un auto-isolement \u00e0 la maison, ainsi que chez les patients gravement malades, n\u00e9cessitant une hospitalisation.<\/p>\n<\/li>\n<li id=\"list-item-2\" readability=\"0\">\n<p id=\"p-29\">La corr\u00e9lation entre l\u2019auto-\u00e9valuation et l\u2019\u00e9valuation objective de l\u2019odorat chez les patients atteints de COVID-19 est faible.<\/p>\n<\/li>\n<li id=\"list-item-3\" readability=\"-1\">\n<p id=\"p-30\">L\u2019auto-\u00e9valuation de la fonction olfactive chez les patients atteints de COVID-19 n\u2019est pas fiable.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<div class=\"boxed-text\" id=\"boxed-text-2\">\n<h3>Questions de recherche actuelles<\/h3>\n<\/div>\n<div class=\"boxed-text\" id=\"boxed-text-3\">\n<h3>Ce que l&#039;on sait d\u00e9j\u00e0 sur le sujet<\/h3>\n<\/div>\n<div id=\"DC1\" class=\"supplementary-material\">\n<h3 class>Mat\u00e9riel suppl\u00e9mentaire<\/h3>\n<\/div>\n<\/div>\n<div class=\"section data-availability\" id=\"sec-14\">\n<h2 class>D\u00e9claration de disponibilit\u00e9 des donn\u00e9es<\/h2>\n<p id=\"p-41\">Aucune donn\u00e9e n&#039;est disponible.<\/p>\n<\/div>\n<div class=\"section ethics-statement\" id=\"sec-15\" readability=\"6\">\n<h2 class>D\u00e9clarations d&#039;\u00e9thique<\/h2>\n<div class=\"section\" id=\"sec-16\">\n<h3>Consentement du patient \u00e0 la publication<\/h3>\n<p id=\"p-42\" class=\"ethics-consent-to-publish\">N&#039;est pas applicable.<\/p>\n<\/div>\n<div class=\"section\" id=\"sec-17\" readability=\"7\">\n<h3>Approbation \u00e9thique<\/h3>\n<p id=\"p-43\" class=\"ethics-approval\">L&#039;\u00e9tude a \u00e9t\u00e9 approuv\u00e9e par le Comit\u00e9 national d&#039;\u00e9thique m\u00e9dicale de la R\u00e9publique de Slov\u00e9nie.<\/p>\n<\/div>\n<\/div>\n<p><span class=\"highwire-journal-article-marker-end\"><\/span><a href=\"http:\/\/pmj.bmj.com\/cgi\/content\/short\/98\/1166\/902?rss=1\">Source quotidienne m\u00e9dicale<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"<p><sec><st>Arri\u00e8re-plan<\/st><\/p>\n<p>La perte d&#039;odorat est un sympt\u00f4me courant de l&#039;infection par la COVID-19. La majorit\u00e9 des \u00e9tudes qui ont \u00e9valu\u00e9 la d\u00e9ficience olfactive dans le cadre de la COVID-19 ont utilis\u00e9 des questionnaires (\u00e9valuations subjectives de l&#039;odorat) et n&#039;ont pas compar\u00e9 les r\u00e9sultats avec des mesures objectives ou semi-objectives de l&#039;odorat. Nous avons effectu\u00e9 des tests olfactifs chez des patients hospitalis\u00e9s et en isolement atteints de la COVID-19 et chez des participants t\u00e9moins.<\/p>\n<p><\/sec><br \/>\n<sec><st>M\u00e9thodes<\/st><\/p>\n<p>Cinquante-cinq participants atteints de la COVID-19 et 44 participants t\u00e9moins ont \u00e9t\u00e9 soumis \u00e0 un test d&#039;odorat \u00e0 l&#039;aide du test de d\u00e9pistage Burghart Sniffin&#039; Sticks. Les participants ont \u00e9galement \u00e9valu\u00e9 leur capacit\u00e9 olfactive sur l&#039;\u00e9chelle num\u00e9rique. Les diff\u00e9rences entre les groupes et la corr\u00e9lation entre la perte d&#039;odorat et le temps \u00e9coul\u00e9 depuis l&#039;apparition aigu\u00eb des sympt\u00f4mes ont \u00e9t\u00e9 test\u00e9es, ainsi que la corr\u00e9lation entre les r\u00e9sultats du test d&#039;odorat et l&#039;\u00e9valuation subjective de l&#039;odorat.<\/p>\n<p><\/sec><br \/>\n<sec><st>R\u00e9sultats<\/st><\/p>\n<p>Fran\u00e7ais Les patients hospitalis\u00e9s atteints de COVID-19 ont correctement d\u00e9termin\u00e9 6,5\/12 odorants contre 10\/12 dans le groupe auto-isol\u00e9 et 11\/12 dans le groupe t\u00e9moin (p&lt;0,001). Une hyposmie ou une anosmie \u00e9taient pr\u00e9sentes chez 87,5% des patients hospitalis\u00e9s et 29,0% des patients auto-isol\u00e9 (p&lt;0,001). La corr\u00e9lation entre l&#039;auto-\u00e9valuation subjective et les r\u00e9sultats des tests olfactifs n&#039;\u00e9tait pas significative dans les deux groupes de patients atteints de COVID-19, tandis qu&#039;il y avait une corr\u00e9lation positive mod\u00e9r\u00e9e (p=0,001, coefficient de corr\u00e9lation de Spearman=0,499) chez les participants t\u00e9moins.<\/p>\n<p><\/sec><br \/>\n<sec><st>Conclusion<\/st><\/p>\n<p>Contrairement \u00e0 certains rapports ant\u00e9rieurs sugg\u00e9rant que la pr\u00e9sence d\u2019une perte olfactive pourrait pr\u00e9dire une \u00e9volution plus l\u00e9g\u00e8re de la maladie, notre \u00e9tude a r\u00e9v\u00e9l\u00e9 qu\u2019une grande majorit\u00e9 des patients hospitalis\u00e9s atteints de COVID-19 pr\u00e9sentaient une d\u00e9ficience olfactive importante. L\u2019absence de corr\u00e9lation entre l\u2019\u00e9valuation auto-\u00e9valu\u00e9e et l\u2019\u00e9valuation objective de l\u2019odorat chez les patients atteints de COVID-19 indique que l\u2019\u00e9valuation subjective de l\u2019odorat n\u2019est pas fiable.<\/p>\n<p><\/sec><\/p>","protected":false},"author":2,"featured_media":7597,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":{"page_builder":"","fifu_image_url":"https:\/\/urbancare.clinic\/wp-content\/uploads\/2023\/02\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases.jpg","fifu_image_alt":"","footnotes":""},"categories":[185],"tags":[],"class_list":["post-7596","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-medical-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 cases - Urban Care Clinic<\/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:\/\/urbancare.clinic\/fr\/evaluation-olfactive-chez-les-patients-hospitalises-et-auto-isoles-atteints-de-covid-19-une-experience-monocentrique-sur-55-cas\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 cases - Urban Care Clinic\" \/>\n<meta property=\"og:description\" content=\"Background Smell loss is a common symptom of COVID-19 infection. Majority of the studies that evaluated olfactory impairment in COVID-19 used questionnaires (subjective smell evaluations) and did not compare the results with objective or semiobjective measures of smell. We performed smell testing in hospitalised and self-isolated patients with COVID-19 and control participants. Methods Fifty-five COVID-19 and 44 control participants underwent smell testing, using Burghart Sniffin&#039; Sticks &lsquo;Screening 12 Test&#039;. Participants also rated their smelling capability on the numerical scale. Differences between groups and correlation between smell loss and time from acute onset of symptoms were tested, as well as correlation between results of smell test and subjective assessment of smell. Results Hospitalised patients with COVID-19 correctly determined 6.5\/12 odorants compared with 10\/12 in the self-isolated and 11\/12 in the control group (p&lt;0.001). Hyposmia or anosmia were present in 87.5% of hospitalised and 29.0% of self-isolated patients (p&lt;0.001). The correlation between subjective self-assessment and results of smell testing was non-significant in both groups of patients with COVID-19, while there was a moderate positive correlation (p=0.001, Spearman&#039;s correlation coefficient=0.499) in control participants. Conclusion Contrary to some previous reports suggesting that the presence of olfactory loss may predict milder course of disease, our study found that a vast majority of hospitalised patients with COVID-19 had prominent olfactory impairment. The absence of correlation between self-rated and objective smell evaluation in patients with COVID-19 indicates that subjective smell assessment is unreliable.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/urbancare.clinic\/fr\/evaluation-olfactive-chez-les-patients-hospitalises-et-auto-isoles-atteints-de-covid-19-une-experience-monocentrique-sur-55-cas\/\" \/>\n<meta property=\"og:site_name\" content=\"Urban Care Clinic\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/urbancarezanzibar\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-22T10:00:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/urbancare.clinic\/wp-content\/uploads\/2023\/02\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Urban Care Clinic\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Urban Care Clinic\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/\"},\"author\":{\"name\":\"Urban Care Clinic\",\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/#\\\/schema\\\/person\\\/a304a61bcf298680ee41e2e9ae193930\"},\"headline\":\"Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 cases\",\"datePublished\":\"2022-11-22T10:00:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/\"},\"wordCount\":1802,\"publisher\":{\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/urbancare.clinic\\\/wp-content\\\/uploads\\\/2023\\\/02\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases.jpg\",\"articleSection\":[\"Research Articles\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/\",\"url\":\"https:\\\/\\\/urbancare.clinic\\\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\\\/\",\"name\":\"Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 cases - 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Urban Care Clinic","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/urbancare.clinic\/fr\/evaluation-olfactive-chez-les-patients-hospitalises-et-auto-isoles-atteints-de-covid-19-une-experience-monocentrique-sur-55-cas\/","og_locale":"fr_FR","og_type":"article","og_title":"Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 cases - Urban Care Clinic","og_description":"Background Smell loss is a common symptom of COVID-19 infection. Majority of the studies that evaluated olfactory impairment in COVID-19 used questionnaires (subjective smell evaluations) and did not compare the results with objective or semiobjective measures of smell. We performed smell testing in hospitalised and self-isolated patients with COVID-19 and control participants. Methods Fifty-five COVID-19 and 44 control participants underwent smell testing, using Burghart Sniffin' Sticks &lsquo;Screening 12 Test'. Participants also rated their smelling capability on the numerical scale. Differences between groups and correlation between smell loss and time from acute onset of symptoms were tested, as well as correlation between results of smell test and subjective assessment of smell. Results Hospitalised patients with COVID-19 correctly determined 6.5\/12 odorants compared with 10\/12 in the self-isolated and 11\/12 in the control group (p&lt;0.001). Hyposmia or anosmia were present in 87.5% of hospitalised and 29.0% of self-isolated patients (p&lt;0.001). The correlation between subjective self-assessment and results of smell testing was non-significant in both groups of patients with COVID-19, while there was a moderate positive correlation (p=0.001, Spearman's correlation coefficient=0.499) in control participants. Conclusion Contrary to some previous reports suggesting that the presence of olfactory loss may predict milder course of disease, our study found that a vast majority of hospitalised patients with COVID-19 had prominent olfactory impairment. The absence of correlation between self-rated and objective smell evaluation in patients with COVID-19 indicates that subjective smell assessment is unreliable.","og_url":"https:\/\/urbancare.clinic\/fr\/evaluation-olfactive-chez-les-patients-hospitalises-et-auto-isoles-atteints-de-covid-19-une-experience-monocentrique-sur-55-cas\/","og_site_name":"Urban Care Clinic","article_publisher":"https:\/\/www.facebook.com\/urbancarezanzibar","article_published_time":"2022-11-22T10:00:22+00:00","og_image":[{"url":"https:\/\/urbancare.clinic\/wp-content\/uploads\/2023\/02\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases.jpg","width":1024,"height":1024,"type":"image\/jpeg"}],"author":"Urban Care Clinic","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Urban Care Clinic","Dur\u00e9e de lecture estim\u00e9e":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/urbancare.clinic\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\/#article","isPartOf":{"@id":"https:\/\/urbancare.clinic\/olfactory-evaluation-in-hospitalised-and-self-isolated-patients-with-covid-19-a-single-centre-experience-on-55-cases\/"},"author":{"name":"Urban Care Clinic","@id":"https:\/\/urbancare.clinic\/#\/schema\/person\/a304a61bcf298680ee41e2e9ae193930"},"headline":"Olfactory evaluation in hospitalised and self-isolated patients with COVID-19: a single-centre experience on 55 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