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  • Title: Endoscopic and histological changes in upper gastrointestinal tract of patients with chronic renal failure.
    Author: Misra V, Misra SP, Shukla SK, Jaiswal PK, Agarwal R, Tondon S.
    Journal: Indian J Pathol Microbiol; 2004 Apr; 47(2):170-3. PubMed ID: 16295460.
    Abstract:
    To evaluate the endoscopic and histological changes in upper gastrointestinal tract of patients with chronic renal failure 50 patients and 50 controls were studied. Upper gastrointestinal endoscopy was done and 2 biopsies each were taken from oesophagus, corpus and antrum of the stomach and duodenum. Sections were stained with haematoxylin & eosin, Alcian blue--Periodic acid Schiff's (pH 2.5), and Loeffler's methylene blue stains. Oesophagus was endoscopically normal in most of the patients. Predominant histological finding was chronic oesophagitis which was significantly higher in patients than controls (47.1% Vs 26%; p<0.05). Significantly higher (p<0.001) number of patients had gastritis, oedema and pale mucosa on endoscopic examination of stomach. Predominant histological changes were mucosal oedema (82.35%), gastritis (23.5%) and increase in number of bi- and multinucleated parietal cells with vacuolation and fragmentation of the cytoplasm (29%). Prevalence of H. pylori was less in patients as controls (35.2% Vs 54%; p< 0.01). Endoscopic examination of duodenum mainly showed duodenitis, pale mucosa, oedema and nodularity. Brunner's gland hyperplasia (82.4%), duodenitis (70.6%) and gastric metaplasia (29.4%) were the main histological features. H. pylori was seen in 5.9% cases of gastric metaplasia in duodenum. Patients with CRF have significant upper gastrointestinal tract abnormalities which mainly occur due to metabolic changes in response to high urea concentration in gastric juice and are not related to H. pylori infection.
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