Naomi Serling-Boyd1, Melody Pei-Shien Chung2, Shufeng Li3, Laren Becker4, Nielsen Fernandez-Becker4, John Clarke4, David Fiorentino3, Lorinda Chung5. 1. Department of Medicine, Division of Rheumatology, Allergy, & Immunology, Massachusetts General Hospital, USA. 2. Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA. 3. Department of Dermatology, Stanford University School of Medicine, USA. 4. Department of Medicine, Division of Gastroenterology, Stanford University School of Medicine, USA. 5. Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA; Department of Medicine, Division of Immunology and Rheumatology, Palo Alto Veterans Affairs Healthcare System, USA. Electronic address: shauwei@stanford.edu.
Abstract
OBJECTIVE: Gastric antral vascular ectasia (GAVE) is a vascular manifestation of systemic sclerosis (SSc) that can lead to iron deficiency anemia or acute gastrointestinal (GI) bleeding. We aimed to identify clinical features associated with GAVE. METHODS: We performed a cohort study of SSc patients who were seen at Stanford between 2004 and 2018 and had undergone esophagogastroduodenoscopy (EGD). We compared the clinical features of those with and without GAVE, and multivariable logistic regression was performed to identify clinical correlates with GAVE. RESULTS: A total of 225 patients with SSc who underwent EGD were included in this study and 19 (8.4%) had GAVE. Those with GAVE were more likely to have scleroderma renal crisis (SRC) (21% vs 3%; p < 0.01), positive anti-RNA polymerase III antibody (71% vs 19%; p < 0.01), nucleolar pattern of anti-nuclear antibody (ANA) (33% vs 11%; p=0.04), and negative ANA (<1:80 by immunofluorescence) (33% vs 11%; p=0.02). On multivariate analysis with multiple imputation, anti-RNA polymerase III positivity (OR 4.57; 95% CI (1.57 - 13.23), p < 0.01) and ANA negativity (OR 3.75; 95% CI (1.21 - 11.62), p=0.02) remained significantly associated with GAVE. CONCLUSION: Positive anti-RNA polymerase III antibody and ANA negativity were significantly associated with GAVE. Further studies are necessary to determine whether patients with these autoantibody profiles should undergo screening endoscopies for GAVE. Published by Elsevier Inc.
OBJECTIVE:Gastric antral vascular ectasia (GAVE) is a vascular manifestation of systemic sclerosis (SSc) that can lead to irondeficiency anemia or acute gastrointestinal (GI) bleeding. We aimed to identify clinical features associated with GAVE. METHODS: We performed a cohort study of SSc patients who were seen at Stanford between 2004 and 2018 and had undergone esophagogastroduodenoscopy (EGD). We compared the clinical features of those with and without GAVE, and multivariable logistic regression was performed to identify clinical correlates with GAVE. RESULTS: A total of 225 patients with SSc who underwent EGD were included in this study and 19 (8.4%) had GAVE. Those with GAVE were more likely to have scleroderma renal crisis (SRC) (21% vs 3%; p < 0.01), positive anti-RNA polymerase III antibody (71% vs 19%; p < 0.01), nucleolar pattern of anti-nuclear antibody (ANA) (33% vs 11%; p=0.04), and negative ANA (<1:80 by immunofluorescence) (33% vs 11%; p=0.02). On multivariate analysis with multiple imputation, anti-RNA polymerase III positivity (OR 4.57; 95% CI (1.57 - 13.23), p < 0.01) and ANA negativity (OR 3.75; 95% CI (1.21 - 11.62), p=0.02) remained significantly associated with GAVE. CONCLUSION: Positive anti-RNA polymerase III antibody and ANA negativity were significantly associated with GAVE. Further studies are necessary to determine whether patients with these autoantibody profiles should undergo screening endoscopies for GAVE. Published by Elsevier Inc.
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