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学科主题: 临床医学
题名:
Dilated intercellular spaces in gastroesophageal reflux disease patients and the changes of intercellular spaces after omeprazole treatment
作者: Xue Yan; Zhou Li-Ya; Lin San-Ren
关键词: gastro-esophageal reflux disease ; electron microscope ; dilated intercellular spaces ; omeprazole
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2008-07-20
卷: 121, 期:14, 页:1297-1301
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: POPULATION ; PREVALENCE ; SYMPTOMS ; EPIDEMIOLOGY ; RELIEF ; CARE
英文摘要:

Background 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.

Methods 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 questionnaire about reflux symptoms before and after treatment.

Results Intercellular spaces of esophageal epithelial cell in volunteers, NERD patients and EE patients were (0.37 +/- 0.07) mu m, (1.31 +/- 0.08) mu m, and (1.33 +/- 0.14) mu m, respectively, with significant differences between the control group and the NERD group (P=0.000). In the 20 EE patients, the mean intercellular space before treatment was (1.14 +/- 0.15) mu m. After treatment the intercellular space was (0.51 +/- 0.18) mu m, a significant difference compared with pre-treatment measurements (P=0.000).

Conclusions Dilated intercellular spaces (DIS) were seen in both NERD and EE cases. The dilated intercellular spaces of esophageal epithelium in EE patients could be recovered after a short time of treatment with omeprazole.

语种: 英语
WOS记录号: WOS:000257941000009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/66837
Appears in Collections:北京大学第三临床医学院_消化科_期刊论文

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作者单位: Peking Univ, Third Hosp, Dept Gastroenterol, Beijing 100083, Peoples R China

Recommended Citation:
Xue Yan,Zhou Li-Ya,Lin San-Ren. Dilated intercellular spaces in gastroesophageal reflux disease patients and the changes of intercellular spaces after omeprazole treatment[J]. CHINESE MEDICAL JOURNAL,2008,121(14):1297-1301.
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