Pancreatic acinar metaplasia in the distal oesophagus and the gastric cardia: prevalence, predictors and relation to GORD
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The nature of pancreatic acinar metaplasia (PAM) in the gastro-oesophageal junction (GOJ) remains obscure. We aimed to estimate its prevalence and investigate into its risk factors in a population-based series of first-time endoscopy patients.
We investigated consecutive patients, endoscoped for the first time, representing defined catchment area populations. Biopsies were taken immediately below the GOJ and from the distal oesophagus. Endoscopy room-based cross-sectional clinical data were supplemented with exposure data from 160 population controls. Associations, expressed as odds ratios (OR), were modelled with multivariable logistic regression. A subsample of 26 patients underwent oesophageal pH monitoring.
Among 644 patients (mean age 53 years, 43% men), PAM was found in 121 patients (19%), exclusively above the GOJ in 40 (6%), below GOJ in 67 (10%), and both above and below GOJ in 14 (2%). PAM exclusively above the GOJ and PAM exclusively below the GOJ were both borderline associated with age (2% increase in prevalence per year). PAM exclusively above the GOJ was significantly associated with female gender (OR 2.8, 95% CI 1.3–6.3) and presence of Helicobacter pylori immediately below the GOJ (OR 2.6, 95% CI 1.3–5.4). Out of 21 patients with Barrett’s oesophagus (BO), 8 (38%) had PAM above the GOJ. The mean value for percentage time with oesophageal pH < 4.0 was 7.3% (95% CI 4.3–10.2%) among patients who had PAM above the GOJ (reference value 3.4%).
Pancreatic acinar metaplasia might be an age-dependent lesion, associated with H. pylori, female gender and gastro-oesophageal reflux if located above the GOJ.
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- Pancreatic acinar metaplasia in the distal oesophagus and the gastric cardia: prevalence, predictors and relation to GORD
Journal of Gastroenterology
Volume 45, Issue 3 , pp 291-299
- Cover Date
- Print ISSN
- Online ISSN
- Springer Japan
- Additional Links
- Barrett esophagus
- Esophagogastric junction
- Gastroesophageal reflux
- Helicobacter pylori
- Pancreatic acinar metaplasia
- Industry Sectors
- Author Affiliations
- 1. Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, P.O. Box 281, 171 77, Stockholm, Sweden
- 2. Department of Surgery, Kalmar County Hospital, Kalmar, Sweden
- 3. Department of Pathology, Kalmar County Hospital, Kalmar, Sweden
- 6. Department of Surgery, Växjö County Hospital, Växjö, Sweden
- 4. Department of Oto-Rhino-Laryngology, Kalmar County Hospital, Kalmar, Sweden
- 5. Department of Physiology, Kalmar County Hospital, Kalmar, Sweden
- 8. Unit of Clinical Epidemiology, Department of Medicine, Karolinska Institutet, University Hospital, Stockholm, Sweden
- 7. Department of Surgery, Linköping University Hospital, Linköping, Sweden