Clinical and histological predictors of response to medical therapy in collagenous colitis
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Notice bibliographique
Résumé
OBJECTIVES: Collagenous colitis (CC) is an uncommon form of inflammatory bowel disease. The response to typical medical therapies (antimotility agents, 5-aminosalicylic acid [5-ASA], and corticosteroids) is variable. We aimed to determine if there are clinical or histological variables that can predict response to medical therapy. METHODS: All cases of CC were identified in three tertiary care medical centers. All charts of included patients were reviewed and clinical variables (age, gender, duration of symptoms, frequency of bowel movements, and the use of nonsteroidal anti-inflammatory drugs [NSAIDs]) were recorded. Available histology slides were reviewed by one GI pathologist. Intraepithelial inflammation, epithelial loss or detachment, inflammation in the lamina propria, presence of eosinophilia, crypt inflammation, Paneth's cell metaplasia, and collagen layer thickness were recorded. Depending on their response to therapy, patients were divided into three groups: 1) spontaneous recovery or response to antidiarrheal agents alone, 2) response to 5-ASA agents, and 3) response to corticosteroids after failure of antidiarrheal agents and 5-ASA. RESULTS: Ninety-four patients with CC were identified. Of these, 62 patients were included. The median age was 58 (range = 20-85), and 88% were female. Among the histological parameters only the degree of inflammation in the lamina propria significantly differed between the three response groups (p = 0.007). Patients who required corticosteroids had greater inflammation. Among the clinical parameters age at presentation and use of NSAIDs significantly differed between groups. In the antidiarrheal group, patients tended to be more elderly, and in the corticosteroid group, more patients were on NSAIDs. CONCLUSIONS: 1) The degree of lamina propria inflammation can be used as a histological predictor to guide treatment in patients with CC. 2) Patients who responded to antidiarrheal agents or had spontaneous remissions were significantly older than those patients requiring 5-ASA compounds or corticosteroids. 3) Patients who were taking NSAIDs were more likely to require corticosteroid therapy, presumably reflecting more severe disease.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,002 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle