Abstract
Objective To explore the effects of regular doses of proton pump inhibitors (PPIs) on intestinal barrier function in the elderly. Methods The elderly hospitalized patients with acid-related disorders were retrospectively analyzed from April to December 2016 in Department of Geriatrics, the General Hospital of Guangzhou Military Command.Based on the criteria of inclusion and exclusion, all patients received the stomachoscopy examination, and received PPI orally for more than 1 month.The treatment continued for 1-6 months.The blood status was routinely examined at pre-and post-treatment, including the level of liver function, C reactive protein (CPR), procalcitonin (PCT), diamine oxidase (DAO), D-lactate acid and serum endotoxin. Results A total of 88 elderly patients aged 80-96 years were involved.Most patients took PPI for 1 month.The levels of alanine aminotransferase, aspartate amino transferase, CPR and PCT were mostly normal after 1 month of treatment.Meanwhile, there were the comparabilities between the post-and pre-treatment groups in levels of DAO〔(6.53±3.00) vs.(6.23±2.42) U/L; t=-0.91, P=0.37〕, of D-lactate acid〔(7.31±3.67) vs.(7.62±3.35) mg/L; t=0.73, P=0.47〕and of serum endotoxin〔(11.69±5.98) vs.(10.97±5.76) U/L; t=-1.66, P=0.10〕without statistical significance.Additionally, after 23 patients took PPI for 6 months, there were no statistical significances between the pre-and post-treatment groups in the levels of DAO〔(5.35±2.49) vs.(6.59±2.69)U/L, t=1.89, P=0.07〕, of D-lactate acid〔(8.12±3.84) vs.(7.71±3.65) mg/L, t=-0.73, P=0.47〕and of serum endotoxin〔(10.23±5.51) vs.(10.41±6.45) U/L, t=0.18, P=0.86〕. Conclusions There is no significant effect on intestinal permeability and intestinal mucosa barrier function in the elderly taking PPI for 6 months.New studies are needed to understand the role of PPI in the intestinal microflora in the elderly. Key words: Proton pump inhibitors; Intestinal mucosa
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