Herbal preparations are widely available and often regarded by the public as harmless remedies for a variety of medical ailments. However, some of these products or their metabolites can cause adverse effects such as liver damage. In this case report a 53-year-old female taking Shou-Wu-Pian for 8 months presented with acute hepatitis. Histopathological assessment of liver tissue obtained by biopsy was consistent with a toxic reaction. Clinical and biochemical resolution was brought about following cessation of the drug. It is important for clinicians to consider Chinese herbal preparations as a potential cause of abnormal liver function test results.
AIM:To elucidate risk factors associated with dysplasia of short-segment Barrett's esophagus (BE). METHODS:A total of 151 BE patients who underwent endoscopic examination from 2004 to 2008 in Aoyama Hospital, Tokyo Women's Medical University, Japan and whose diagnosis was confirmed from biopsy specimens were enrolled in the study. BE was diagnosed based on endoscopic findings of gastric-appearing mucosa or apparent columnar-lined esophagus proximal to the esophagogastric junction. Dysplasia was classified into three grades -mild, moderate and severe -according to the guidelines of the Vienna Classification System for gastrointestinal epithelial neoplasia. Anthropometric and biochemical data were analyzed to identify risk factors for BE dysplasia. The prevalence of Helicobacter pylori (H. pylori ) infection and the expression of p53 by immunohistological staining were also investigated. RESULTS:Histological examination classified patients into three types: specialized columnar epithelium (SCE) (n = 65); junctional (n = 38); and gastric fundic (n = 48). The incidence of dysplasia or adenocarcinoma from BE of the SCE type was significantly higher than that of the other two types (P < 0.01). The univariate analysis revealed that sex, H. pylori infection, body weight, p53 overexpression, and low diastolic blood pressure (BP) were associated with BE dysplasia. In contrast, body mass index, waist circumference, metabolic syndrome complications, and variables related to glucose or lipid metabolism were not associated with dysplasia. Multivariate logistic analysis showed that overexpression of p53 [odds ratio (OR) = 13.1, P = 0.004], H. pylori infection (OR = 0.19, P = 0.066), and diastolic BP (OR = 0.87, P = 0.021) were independent risk factors for epithelial dysplasia in BE patients with the SCE type. CONCLUSION:Overexpression of p53 is a risk factor for dysplasia of BE, however, H. pylori infection and diastolic BP inversely associated with BE dysplasia might be protective.
Background and Aim Helicobacter pylori (H. pylori) and aspirin are the major causes of gastric injury, and eradication of H. pylori can restore mucosal injury such as gastric ulcer. The aim of the present study was to investigate the effects of low-dose aspirin on the healing process, determined by endoscopic features, after H. pylori eradication. Methods From 2001 to 2008, 12,887 patients underwent endoscopic examination at our hospital. From these, 100 patients with and 100 patients without H. pylori infection were analyzed to identify the endoscopic features characteristic of H. pylori-infected stomach. Based on these characteristic features, we observed the healing process of 89 patients not taking low-dose aspirin and 12 patients taking low-dose aspirin for 6 months, 1 year, and 5 years, which was successful in eradicating H. pylori. Results Diffuse redness (DR) of the fundic mucosa was the characteristic feature of H. pylori-infected stomach, whereas reddish streaks (RS) on the greater curvature of the antrum was the characteristic finding in non-infected stomach. In the no aspirin group, DR faded by 6 months and new expression of RS was observed 1 year after H. pylori eradication. In contrast, in the aspirin group, both fading of DR and the expression of RS were observed 5 years after eradication. Conclusion Low-dose aspirin delayed the early phase of the healing process in the gastric mucosa after H. pylori eradication.
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