Advances in clinical and experimental medicine : official organ Wroclaw Medical University · 2017
The effect of proton pump inhibitors on the gastric mucosal microenvironment.
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Peng Yen-Chun, Huang Lan-Ru, Ho Hui-Ching, Chang Chi-Sen, Lee Shou-Wu, Cheng Ching-Chang, Wen May-Ching, Yeh Hong-Zen, Ho Shu-Peng
Аннотация
BACKGROUND: Proton pump inhibitors (PPIs) are widely applied for acid related disorders, and possess pleiotropic biological functions. The effect of PPIs on the gastric mucosa, neutrophil and Helicobacter pylori (H. pylori) infiltration and glandular atrophy has not been well investigated, particularly the duration of the effects of PPIs.
OBJECTIVES: To investigate the effects of PPIs on neutrophil infiltration, H. pylori infiltration and the gastric mucosa.
MATERIAL AND METHODS: A total of 76 adult patients with gastrointestinal symptoms who had undergone upper gastrointestinal endoscopy were enrolled in the study. Each patient's history was recorded, including smoking, alcohol consumption and the duration of PPI use prior to gastric biopsy. Endoscopic biopsies of gastric antral mucosa were performed and evaluated by histology. Neutrophil and H. pylori infiltration were graded by H & E staining in accordance with the updated Sydney system.
RESULTS: Among the 76 patients, 44 patients had H. pylori infection and 19 patients had taken PPIs for varying durations prior to gastric biopsy. Neutrophil infiltration was significantly inhibited by PPIs (p = 0.005). The duration of PPI use was correlated with inhibition of neutrophil and H. pylori infiltration. A logistical regression analysis demonstrated that PPIs significantly inhibited neutrophil infiltration in the gastric mucosa and were associated with atrophy of the mucosa.
CONCLUSIONS: PPIs attenuated neutrophil infiltration of gastric mucosa, and may be related to atrophy of the mucosa.
OBJECTIVES: To investigate the effects of PPIs on neutrophil infiltration, H. pylori infiltration and the gastric mucosa.
MATERIAL AND METHODS: A total of 76 adult patients with gastrointestinal symptoms who had undergone upper gastrointestinal endoscopy were enrolled in the study. Each patient's history was recorded, including smoking, alcohol consumption and the duration of PPI use prior to gastric biopsy. Endoscopic biopsies of gastric antral mucosa were performed and evaluated by histology. Neutrophil and H. pylori infiltration were graded by H & E staining in accordance with the updated Sydney system.
RESULTS: Among the 76 patients, 44 patients had H. pylori infection and 19 patients had taken PPIs for varying durations prior to gastric biopsy. Neutrophil infiltration was significantly inhibited by PPIs (p = 0.005). The duration of PPI use was correlated with inhibition of neutrophil and H. pylori infiltration. A logistical regression analysis demonstrated that PPIs significantly inhibited neutrophil infiltration in the gastric mucosa and were associated with atrophy of the mucosa.
CONCLUSIONS: PPIs attenuated neutrophil infiltration of gastric mucosa, and may be related to atrophy of the mucosa.