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     <dc:title xml:lang="fr">Performances diagnostiques et pronostiques du ratio TCD103CD4+/TCD4+ dans la sarcoïdose : une étude rétrospective multicentrique</dc:title>
     <dcterms:alternative xml:lang="en">Diagnostic and pronostic performances of TCD4CD103+/CD4+ ratio in sarcoidosis : a retrospective multicentric study</dcterms:alternative>
     <dc:subject xml:lang="fr">sarcoïdose</dc:subject><dc:subject xml:lang="fr">pneumopathie interstitielle diffuse</dc:subject><dc:subject xml:lang="fr">lavage broncho alvéolaire</dc:subject><dc:subject xml:lang="fr">diagnostic</dc:subject><dc:subject xml:lang="fr">pronostic</dc:subject><dc:subject xml:lang="fr">rapport TCD4+/CD8+</dc:subject><dc:subject xml:lang="fr">rapport TCD4CD103+/CD8+</dc:subject><dc:subject xml:lang="fr">intégrine αEβ7</dc:subject><dc:subject xml:lang="fr">E cadhérine</dc:subject><dc:subject xml:lang="fr">CD103+</dc:subject>
     <dc:subject xml:lang="en">sarcoidosis</dc:subject><dc:subject xml:lang="en">interstitial lung disease</dc:subject><dc:subject xml:lang="en">broncho-alveolar lavage fluid</dc:subject><dc:subject xml:lang="en">diagnosis</dc:subject><dc:subject xml:lang="en">prongnosis</dc:subject><dc:subject xml:lang="en">TCD4+/CD8+ ratio</dc:subject><dc:subject xml:lang="en">TCD4CD103+/CD4+ ratio</dc:subject><dc:subject xml:lang="en">αEβ7 integrin</dc:subject><dc:subject xml:lang="en">E caherin</dc:subject><dc:subject xml:lang="en">CD103+</dc:subject><tef:sujetRameau><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="03420640X">Fibrose pulmonaire interstitielle diffuse</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="027803805">Diagnostic</tef:subdivision>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027654060">Sarcoïdose</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027682013">Lavage bronchoalvéolaire </tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027756378">Pronostic (médecine)</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="034043578">Rapport CD4/CD8 </tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">Le diagnostic étiologique des pneumopathies interstitielles diffuses (PID) repose sur un faisceau d’arguments cliniques, biologiques, radiologiques, parfois histologiques. La sarcoïdose représente une des causes fréquentes de PID. Le lavage bronchoalvéolaire (LBA) fait partie des outils diagnostics à disposition. Une sous population particulière de lymphocytes TCD4+, exprimant l’intégrine CD103 qui pourrait favoriser le recrutement lymphocytaire et donc l’inflammation alvéolaire a été quantifiée sur les LBA réalisés pour diagnostic de PID par les services de pneumologie du CHU de Rennes, et du CH Lorient. L’objectif principal était d’évaluer les performances diagnostiques du rapport des lymphocytes TCD4CD103+/CD4+ dans le LBA pour différencier les sarcoïdoses des autres groupes de PID (hypersensibilité, fibrose pulmonaire idiopathique, infections, connectivites, divers). L’objectif secondaire était de rechercher le rôle pronostique de l’évolution de la maladie du rapport TCD4CD103+/CD4+, chez les patients porteurs de sarcoïdose.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">Interstitial lung disease (ILD) etiologic diagnosis may be challenging, and requires a multimodal evaluation based on clinical, biological, radiologic and eventually histological features. Sarcoidosis is a frequent etiology of ILD. Bronchoalveolar lavage fluid (BALF) examination plays a key role in ILD etiological diagnosis.one The CD103+ integrin, which is expressed in a particular TCD4+ lymphocytes subpopulation, may participate in alveolar lymphocytes recruitment. In the present study, CD103+ T4 lymphocytes were quantified in BALF obtained from ILD patients referred to Rennes university hospital and Lorient hospital. The main outcome was to evaluate the performance of the TCD4CD103+/CD4+ ratio for the diagnosis of sarcoidosis in a cohort of ILD diseases from various etiologies (hypersensitivity pneumonitis, idiopathic pulmonary fibrosis, infections, connective tissue diseases related ILD, diverse diagnosis). The secondary outcome was to search for a prognostic value of the TCD4CD103+/CD4+ ratio on disease evolution, among sarcoidosis patients.  </dcterms:abstract>
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       <tef:nom>Mensi</tef:nom>
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