Fabio Pomerri1, Faise Al Bunni2, Monica Zuliani3, Graziella Guariso4, Marco Gasparetto4, Benedetta Giorgi3, Mara Cananzi4, Pier Carlo Muzzio3. 1. Department of Medicine-DIMED, University of Padova, Via Giustiniani 2, 35128, Padova, Italy. fabio.pomerri@unipd.it. 2. Radiology Unit, S. Maria della Misericordia, Rovigo Hospital, Rovigo, Italy. 3. Department of Medicine-DIMED, University of Padova, Via Giustiniani 2, 35128, Padova, Italy. 4. Department of Women and Child Health, University of Padova, Padova, Italy.
Abstract
OBJECTIVES: This study was aimed at correlating a magnetic resonance index of activity (MaRIA) and a magnetic resonance enterography global score (MEGS) with activity indexes in a paediatric population with Crohn's disease (CD). METHODS: This retrospective study included 32 paediatric patients (median age 14.5 years, 18 male) with proven CD who underwent magnetic resonance enterography (MRE). A correlation analysis was performed on the MRE-based scores, the simplified endoscopic score for CD (SES-CD), the paediatric Crohn's disease activity index (PCDAI), and C-reactive protein (CRP) levels. Based on PCDAI, comparison of both global MaRIA and MEGS was made between patients with mild and moderate/severe disease activity. RESULTS: Global MaRIA correlated with SES-CD (r = 0.70, p = 0.001) and PCDAI (r = 0.42, p = 0.016). MEGS correlated with PCDAI (r = 0.46, p = 0.007) and CRP levels (r = 0.35, p = 0.046). MEGS differed significantly (p = 0.027) between patients grouped by clinical disease severity. CONCLUSIONS: MRE-based global scores correlated with clinical indexes of CD activity. Therefore, they represent a potential useful tool to predict CD activity and severity, as well as a possible promising alternative to endoscopy, to monitor paediatric patients with CD during their follow-up. KEY POINTS: • MRE is widely used to for accurate assessment of CD. • Global MaRIA and MEGS have been suggested as indicators of CD activity. • Paediatric studies comparing MRE-based global scores with clinical CD activity are lacking. • Such scores can serve as predictors of CD activity/severity in paediatric patients. • MRE offers an alternative to clinical score/endoscopy for paediatric CD monitoring.
OBJECTIVES: This study was aimed at correlating a magnetic resonance index of activity (MaRIA) and a magnetic resonance enterography global score (MEGS) with activity indexes in a paediatric population with Crohn's disease (CD). METHODS: This retrospective study included 32 paediatric patients (median age 14.5 years, 18 male) with proven CD who underwent magnetic resonance enterography (MRE). A correlation analysis was performed on the MRE-based scores, the simplified endoscopic score for CD (SES-CD), the paediatric Crohn's disease activity index (PCDAI), and C-reactive protein (CRP) levels. Based on PCDAI, comparison of both global MaRIA and MEGS was made between patients with mild and moderate/severe disease activity. RESULTS: Global MaRIA correlated with SES-CD (r = 0.70, p = 0.001) and PCDAI (r = 0.42, p = 0.016). MEGS correlated with PCDAI (r = 0.46, p = 0.007) and CRP levels (r = 0.35, p = 0.046). MEGS differed significantly (p = 0.027) between patients grouped by clinical disease severity. CONCLUSIONS: MRE-based global scores correlated with clinical indexes of CD activity. Therefore, they represent a potential useful tool to predict CD activity and severity, as well as a possible promising alternative to endoscopy, to monitor paediatric patients with CD during their follow-up. KEY POINTS: • MRE is widely used to for accurate assessment of CD. • Global MaRIA and MEGS have been suggested as indicators of CD activity. • Paediatric studies comparing MRE-based global scores with clinical CD activity are lacking. • Such scores can serve as predictors of CD activity/severity in paediatric patients. • MRE offers an alternative to clinical score/endoscopy for paediatric CD monitoring.
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