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Clinical experience with the use of anti-CdtB and anti-vinculin antibodies in patients with diarrhea in Mexico

Circulating anti-CdtB/anti-vinculin antibodies have been validated as biomarkers to distinguish IBS-D from IBD, but there is no experience with them in Latin America. The analysis was carried out on patients seen at a FGIDs/motility clinic over the last 7 months for diarrhea with abdominal pain and/...

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Bibliographic Details
Published in:Revista de Gastroenterología de México (English Edition) 2016-10, Vol.81 (4), p.236-239
Main Authors: Schmulson, M., Balbuena, R., Corona de Law, C.
Format: Article
Language:English
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Summary:Circulating anti-CdtB/anti-vinculin antibodies have been validated as biomarkers to distinguish IBS-D from IBD, but there is no experience with them in Latin America. The analysis was carried out on patients seen at a FGIDs/motility clinic over the last 7 months for diarrhea with abdominal pain and/or bloating who were tested for these antibodies. The patients were diagnosed according to the Rome III criteria or with organic disorders, and those presenting with IBS were further classified as post-infectious (PI) or non-PI IBS. Thirty patients were studied. Positive biomarkers were found in IBS-D y IBS-D Overlap (58.8%) and IBS-M (33.3%), with no differences between PI-IBS (71.4%) vs. non PI-IBS (41.7%) subjects (P=.21). There was no positivity in patients with other FGIDs or organic diarrhea, except for one with small intestinal bacterial overgrowth (SIBO). Our findings support the use of this test as a first-line diagnostic tool to confirm the presence of IBS-D/IBS-M according to the Rome III criteria. Se ha validado el uso de los anticuerpos anti-CdtB/anti-vinculina como biomarcadores para discriminar el SII-D de la EII, más no hay experiencia con ellos en Latinoamérica. Se analizaron pacientes que consultaron a una clínica de TGIF/motilidad en los últimos 7 meses por diarrea con dolor/distensión abdominal, y a quienes se les solicitó estos anticuerpos. Los pacientes fueron diagnosticados mediante los criterios de Roma III o con trastornos orgánicos. Se clasificaron a los pacientes con SII en SII-post infeccioso (PI) o SII-no PI. Treinta pacientes fueron estudiados. Se encontraron biomarcadores positivos en sujetos con SII-D y SII-D con sobreposición (58.8%) y SII-M (33.3%), sin diferencias entre aquellos con SII-PI (71.4%) vs. SII-no PI (41.7%) (p=0.21). No hubo positividad en pacientes con otros TGIF o diarrea orgánica, excepto en uno con sobrecrecimiento bacteriano en el intestino delgado (SBID). Nuestros datos apoyan el uso de esta prueba como una herramienta de diagnóstico de primera línea para confirmar la presencia de SII-D/SII-M según los criterios de Roma III.
ISSN:2255-534X
2255-534X
DOI:10.1016/j.rgmxen.2016.07.002