Gastritis, Gastropathy, and Ulcer Disease

Author(s):  
Ranjan Dohil ◽  
Eric Hassall
Keyword(s):  
Author(s):  
M. H. Chestnut ◽  
C. E. Catrenich

Helicobacter pylori is a non-invasive, Gram-negative spiral bacterium first identified in 1983, and subsequently implicated in the pathogenesis of gastroduodenal disease including gastritis and peptic ulcer disease. Cytotoxic activity, manifested by intracytoplasmic vacuolation of mammalian cells in vitro, was identified in 55% of H. pylori strains examined. The vacuoles increase in number and size during extended incubation, resulting in vacuolar and cellular degeneration after 24 h to 48 h. Vacuolation of gastric epithelial cells is also observed in vivo during infection by H. pylori. A high molecular weight, heat labile protein is believed to be responsible for vacuolation and to significantly contribute to the development of gastroduodenal disease in humans. The mechanism by which the cytotoxin exerts its effect is unknown, as is the intracellular origin of the vacuolar membrane and contents. Acridine orange is a membrane-permeant weak base that initially accumulates in low-pH compartments. We have used acridine orange accumulation in conjunction with confocal laser scanning microscopy of toxin-treated cells to begin probing the nature and origin of these vacuoles.


2001 ◽  
Vol 120 (5) ◽  
pp. A136-A137
Author(s):  
K TSAMAKIDES ◽  
E PANOTOPOULOU ◽  
D DIMITROULOPOULOS ◽  
M CHRISTOPOULO ◽  
D XINOPOULOS ◽  
...  

2001 ◽  
Vol 120 (5) ◽  
pp. A491-A491
Author(s):  
G GONZALEZSTAWINSKI ◽  
J ROVAK ◽  
H SEIGLER ◽  
J GRANT ◽  
T PAPPAS

1953 ◽  
Vol 25 (2) ◽  
pp. 173-201 ◽  
Author(s):  
William S. Haubbich ◽  
James L.A. Roth ◽  
H.L. Bockus

JMS SKIMS ◽  
2012 ◽  
Vol 15 (2) ◽  
pp. 136-140
Author(s):  
G M Gulzar ◽  
Showkat A Zargar ◽  
Muzaffar Nazir ◽  
Gul Javid ◽  
Bashir A Khan ◽  
...  

BACKGROUND: Since late 1960s, the prevalence of peptic ulcer disease and its complications has been steadily decreasing. OBJECTIVE: To ascertain the changing trends in the prevalence and complications of peptic ulcer in Kashmir. METHODS: A cohort of 10474 people aged 15-60 years in district Baramulla of Kashmir was interviewed about symptoms, complications, and surgery related to peptic ulcer. People were enquired about smoking, use of NSAIDs, H2 Receptor antagonists, proton pump inhibitors and endoscopies. All symptomatic and randomly selected group of asymptomatic people underwent esophago-gastro-cluodenoscopy. RESULTS: In symptomatic group, 286 (41.45%) people hod peptic ulcer and in asymptomatic group 24 (5.35%) had peptic ulcer. There were 71 already diagnosed cases of peptic ulcer; totaling 381. Thirty three people had surgery for peptic ulcer. The point prevalence of peptic ulcer was 3.54% and lifetime prevalence 8.96%. The highest prevalence was in 4th decade. Bleeding was seen in 23.63%, gastric outlet obstruction 4.20%, ulcer perforation 0.52%. 9.39% of peptic ulcer patients had undergone surgery. When compared to previous study in 1985 in Kashmir, there was decrease in point prevalence of 25%, in life-time prevalence of 20.14%, Gastric outlet obstruction by 51.7%, ulcer perforation by 87%, surgery rate by 60% and bleeding by a marginal 2%. CONCLUSION: Prevalence of peptic ulcerand its complications (except bleeding) are showing downward trend in Kashmir over the last 20 years. JMS 2012;15(2):136-40


Sign in / Sign up

Export Citation Format

Share Document