Gut · 1998
Intestinal metaplasia at the gastro-oesophageal junction: Helicobacter pylori gastritis or gastro-oesophageal reflux disease?
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Hackelsberger A, Günther T, Schultze V, Manes G, Dominguez-Muñoz J E, Roessner A, Malfertheiner P
Аннотация
BACKGROUND: Intestinal metaplasia, whether in the cardia or the distal oesophagus, has been uniformly defined as specialised columnar epithelium, suggesting a relation with Barrett's oesophagus. It is, however, not clear whether the risk factors associated with intestinal metaplasia are identical at both sites.
AIMS: To investigate biopsy specimens obtained below the squamocolumnar junction (SCJ) in relation to endoscopic aspect, gastric histology, and clinical presentation.
PATIENTS AND METHODS: In 423 patients investigated the endoscopic aspect of the SCJ was classified as unremarkable (group I, n = 315) or suggestive of Barrett's oesophagus (group II, n = 108). Standardised biopsy specimens from the antrum, corpus, and directly below the SCJ were investigated.
RESULTS: Intestinal metaplasia was detected at the SCJ in 13.4% of group I patients, where it was significantly associated with gastric intestinal metaplasia (odds ratio (OR) 6.96; confidence interval (CI) 2.48 to 19.54) and H pylori (OR 7.85; CI 2.82 to 21.85), and in 34.3% of group II patients where it was significantly associated with reflux symptoms (OR 19.98; CI 6.12 to 65.19), erosive oesophagitis (OR 12.16; CI 3.86 to 38.24), and male sex (OR 6.25, CI 2.16 to 18.14), but not with H pylori or gastric intestinal metaplasia.
CONCLUSION: This study suggests that the pathogenesis of intestinal metaplasia at the SCJ is not uniform: at an endoscopically unremarkable SCJ it is a sequela of H pylori gastritis, but coexisting with endoscopic features of Barrett's oesophagus it is associated with male sex and gastro-oesophageal reflux disease.
AIMS: To investigate biopsy specimens obtained below the squamocolumnar junction (SCJ) in relation to endoscopic aspect, gastric histology, and clinical presentation.
PATIENTS AND METHODS: In 423 patients investigated the endoscopic aspect of the SCJ was classified as unremarkable (group I, n = 315) or suggestive of Barrett's oesophagus (group II, n = 108). Standardised biopsy specimens from the antrum, corpus, and directly below the SCJ were investigated.
RESULTS: Intestinal metaplasia was detected at the SCJ in 13.4% of group I patients, where it was significantly associated with gastric intestinal metaplasia (odds ratio (OR) 6.96; confidence interval (CI) 2.48 to 19.54) and H pylori (OR 7.85; CI 2.82 to 21.85), and in 34.3% of group II patients where it was significantly associated with reflux symptoms (OR 19.98; CI 6.12 to 65.19), erosive oesophagitis (OR 12.16; CI 3.86 to 38.24), and male sex (OR 6.25, CI 2.16 to 18.14), but not with H pylori or gastric intestinal metaplasia.
CONCLUSION: This study suggests that the pathogenesis of intestinal metaplasia at the SCJ is not uniform: at an endoscopically unremarkable SCJ it is a sequela of H pylori gastritis, but coexisting with endoscopic features of Barrett's oesophagus it is associated with male sex and gastro-oesophageal reflux disease.