PMID: 18713551Aug 21, 2008Paper

Dilated intercellular spaces in gastroesophageal reflux disease patients and the changes of intercellular spaces after omeprazole treatment

Chinese Medical Journal
Yan XueSan-ren Lin

Abstract

Gastroesophageal reflux disease (GERD) is a common disorder. Dilation of intercellular spaces of esophageal epithelium has been revealed at transmission electron microscopy both in the rabbit acid-perfused esophagus and in esophageal biopsies from GERD patients. This study aimed to observe the changes of the intercellular spaces of squamous epithelium of lower esophagus in patients with GERD and the changes of intercellular spaces of patients with erosive esophagitis (EE) before and after omeprazole treatment. Outpatients having GERD symptoms for more than 3 months and volunteers were collected. All of them underwent gastroendoscopy and 24-hour ambulatory pH monitoring. Biopsies were taken from the lower esophagus (2 cm above Z-line) for electron microscope examination. Five healthy volunteers, six non-erosive reflux disease (NERD) patients, and five EE patients were enrolled. Intercellular spaces of GERD patients and controls were calculated. Then we selected 20 patients with EE diagnosed by gastroendoscopy. All of them were treated with omeprazole (Losec, 20 mg bid) for 4 weeks then underwent gastroendoscopy again. Biopsies were taken from 2 cm above Z-line for electron microscope examination. All the patients completed the q...Continue Reading

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