Journal of community hospital internal medicine perspectives · 2024
ANCA and ASCA Profiles in a Moroccan Population With Inflammatory Bowel Diseases.
СтатьяНазвание и аннотация: Перевод в очереди
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Abakarim Ouadii, Klevor Raymond, El Moumou Lahcen, Hazime Raja, Brahim Imane, Oubaha Sofia, Krati Khadija, Admou Brahim
Аннотация
INTRODUCTION: Diagnosing inflammatory bowel disease (IBD) is hindered by the invasive procedures required for accurate classification as Crohn's disease (CD) or ulcerative colitis (UC). As alternatives, non-invasive tests using anti-Saccharomyces cerevisiae antibodies (ASCA) and anti-neutrophil cytoplasmic antibodies (ANCA) have gained significance. This study evaluated ANCA and ASCA antibody frequencies in IBD and their role in disease characterization in a Moroccan population.
METHODS: Conducted at Marrakech's Mohammed VI University Hospital from 2014 to 2018, this cross-sectional study included patients with suggestive symptoms or confirmed IBD diagnosis based on clinical, endoscopic, and histological criteria. Immunological investigations detected p-ANCA, c-ANCA, and ASCA using immunofluorescence and immunodot assays.
RESULTS: Among 60 participants (mean age: 33.1 ± 11.75 years), the 20-30-year age group was most affected (31.67%). CD, UC, and indeterminate colitis (IC) were diagnosed in 46.67%, 45%, and 8.33% patients, respectively. Gastrointestinal symptoms were prevalent (98.3%), with ANCA+/ASCA-profile in 41% of UC patients versus 11% in CD, and ANCA-/ASCA + profile exclusive to CD (50%). ANCA positivity was significantly associated with UC, rectal syndrome, and inflammatory syndrome, whereas ASCA positivity was significantly associated with CD and König's syndrome (p < 0.05).
CONCLUSION: This study highlighted demographic and phenotypic particularities of IBD in a Moroccan population. Non-invasive tests using ASCA and ANCA antibodies offer valuable alternatives to invasive procedures, facilitating personalized management strategies. Variations in ANCA and ASCA profiles provide insights into disease characterization and inform tailored treatment approaches.
METHODS: Conducted at Marrakech's Mohammed VI University Hospital from 2014 to 2018, this cross-sectional study included patients with suggestive symptoms or confirmed IBD diagnosis based on clinical, endoscopic, and histological criteria. Immunological investigations detected p-ANCA, c-ANCA, and ASCA using immunofluorescence and immunodot assays.
RESULTS: Among 60 participants (mean age: 33.1 ± 11.75 years), the 20-30-year age group was most affected (31.67%). CD, UC, and indeterminate colitis (IC) were diagnosed in 46.67%, 45%, and 8.33% patients, respectively. Gastrointestinal symptoms were prevalent (98.3%), with ANCA+/ASCA-profile in 41% of UC patients versus 11% in CD, and ANCA-/ASCA + profile exclusive to CD (50%). ANCA positivity was significantly associated with UC, rectal syndrome, and inflammatory syndrome, whereas ASCA positivity was significantly associated with CD and König's syndrome (p < 0.05).
CONCLUSION: This study highlighted demographic and phenotypic particularities of IBD in a Moroccan population. Non-invasive tests using ASCA and ANCA antibodies offer valuable alternatives to invasive procedures, facilitating personalized management strategies. Variations in ANCA and ASCA profiles provide insights into disease characterization and inform tailored treatment approaches.