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ID 37946
file
creator
Haruma, Ken
Okamoto, Shiro
Sumii, Koji
Tari, Akira
Teshima, Hitosihi
Shimamoto, Takehiro
Takehara, Yoshihiko
Yamamoto, Goso
Teixeira, Claudio Rolim
Sumii, Masaharu
Kishimoto, Shinya
Kajiyama, Goro
Wagner, Siegfried
subject
Peptic ulcer
Gastritis
Gastric carcinoma
Helicobacter pylori infection
NDC
Medical sciences
abstract
To determine the prevalence and significance of Helicobacter pylori (H. pylori) infection, biopsies of the antral mucosa were obtained from 139 patients and 43 asymptomatic volunteers. The specimens were examined by hematoxylin-eosin staining and the urease test. The detection rate of H. pylori by histologic examination was 91.3% in patients with duodenal ulcer, 75.0% in those with combined duodenal and gastric ulcer, 63.6% in those with gastric ulcer, 22.9% in those with gastric carcinoma, 36.4% in those with gastric adenoma, 14.3% in those with gastric hyperplastic polyp, and 51.7% in those with gastritis, and the respective percentages detected by the urease test were 91.3%, 75.0%, 54.5%, 28.6%, 27.3%, 14.3%, and 44.8%. H. pylori was also detected in 10/43 (23.3%) asymptomatic healthy volunteers by histology and the urease test. The prevalence of H. pylori was significantly higher in the patients than in the asymptomatic healthy volunteers (p < 0.05). H. pylori was detected in 62.9% of patients with endoscopic erosive gastritis and in 97.9% of those with histologically proven chronic active gastritis. The urease test was positive in 77/82 patients who were histologically positive for the organism (sensitivity: 93.9%), and it was negative in 98/100 patients who were negative by histology (specificity: 98.0%). Thus, there was over 90% agreement between the urease test and histology. Our investigations showed that H. pylori was closely related to peptic ulcers and antral gastritis, and that the urease test provides a simple, rapid and accurate diagnosis of H. pylori infection.
journal title
Hiroshima Journal of Medical Sciences
volume
Volume 41
issue
Issue 3
start page
65
end page
70
date of issued
1992-09
publisher
Hiroshima University Medical Press
issn
0018-2052
ncid
pubmed id
language
eng
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
department
Graduate School of Biomedical Science
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