Anggiansah, R.; Chandra, A.; Anggiansah, A.; Owen, W.J.
April 2003
Gut;Apr2003 Supplement 1, Vol. 52, pA43
Academic Journal
Introduction: Post-prandial reflux (PPR) is a significant component of gastro-oesophagea[reflux GOR) in health anddisease. PPR is generally analysed within 2 hours after meals. Various studies have attempted to modify PPR to determine the effectiveness of intervention. However, there is little documentation regarding when maximal PPR occurs. Aim: This study examined the PPR profile of pathological GOR patients. Patients and Methods: A sample of 55 patients (32 males, mean age 50.3 years) was chosen randomly from those with pHdocumented GOR disease who had attended the unit in 2002. During 24 hr pH monitoring (Synectics), patients were advised to go about their normal activities and had their usual meals but avoiding food or drink with pH <5. GOR was defined as pH <4. The two-hour PPR periods were divided into 30 min quarters. Kruskai-Wallis and Mann-Whitney statistical tests were used. Results: There were no significant differences in PPR comparing meals (p=0.92). However, there were significant differences in PPR ~quarters for each meal (p≤0.03). The greatest acid exposure after breakfast was in the 2nd quarter, which was significantly higher than the 1st (p=0.003) and the 4th quarters (p=0.002). After lunch and dinner, the highest GOR occurred in the 3rd quarter, which in both was significantly higher than the 1st quarter (p≤0.03) only. Conclusion: PPR is a ma or source of GOR and in this group of patients up to 74.4% of the post-prandial period demonstrated acid exposure. Maximal PPR occurs in the 2nd or 3rd quarter of the postprandial period. For maximal effect patients with pathological GOR should ingest antacids half an hour after meals.


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