Alimentary pharmacology & therapeutics · 2010
Body mass index, chronic atrophic gastritis and heartburn: a population-based study among 8936 older adults from Germany.
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Gao L, Weck M N, Rothenbacher D, Brenner H
Аннотация
BACKGROUND: Obesity and overweight have been positively related to gastro-oesophageal reflux disease (GERD). It has been suggested that this relationship is as a consequence of an increased gastric acid reflux, which is caused by an enhanced intra-abdominal pressure.
AIM: To assess potential interaction of the association between body mass index (BMI) and GERD by chronic atrophic gastritis, which goes along with decreased acid production.
METHODS: In the baseline examination of ESTHER, a study conducted in 9953 older adults in Saarland, information on frequency of heartburn, potential risk factors and medical history was obtained by self-administered standardized questionnaire. Serological measurements of pepsinogen I and II were taken for definition of chronic atrophic gastritis.
RESULTS: In total, 2565 (28.7%) of the included subjects experienced heartburn within the previous 4 weeks. A pronounced dose-response relationship was observed between BMI and heartburn occurrence (P < 0.001) among people without chronic atrophic gastritis, but not among people with chronic atrophic gastritis (P-value for interaction = 0.018). Obese/overweight people with chronic atrophic gastritis had a much lower risk of heartburn compared with obese/overweight people without chronic atrophic gastritis (OR = 0.31, 95% CI = 0.24-0.40).
CONCLUSION: Our results are consistent with the hypothesis that BMI is related positively to GERD symptoms by its impact on acid reflux.
AIM: To assess potential interaction of the association between body mass index (BMI) and GERD by chronic atrophic gastritis, which goes along with decreased acid production.
METHODS: In the baseline examination of ESTHER, a study conducted in 9953 older adults in Saarland, information on frequency of heartburn, potential risk factors and medical history was obtained by self-administered standardized questionnaire. Serological measurements of pepsinogen I and II were taken for definition of chronic atrophic gastritis.
RESULTS: In total, 2565 (28.7%) of the included subjects experienced heartburn within the previous 4 weeks. A pronounced dose-response relationship was observed between BMI and heartburn occurrence (P < 0.001) among people without chronic atrophic gastritis, but not among people with chronic atrophic gastritis (P-value for interaction = 0.018). Obese/overweight people with chronic atrophic gastritis had a much lower risk of heartburn compared with obese/overweight people without chronic atrophic gastritis (OR = 0.31, 95% CI = 0.24-0.40).
CONCLUSION: Our results are consistent with the hypothesis that BMI is related positively to GERD symptoms by its impact on acid reflux.