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Titolo:
Helicobacter pylori infection prevents erosive reflux oesophagitis by decreasing gastric acid secretion
Autore:
Koike, T; Ohara, S; Sekine, H; Iijima, K; Abe, Y; Kato, K; Toyota, T; Shimosegawa, T;
Indirizzi:
Tohoku Univ, Grad Sch Med, Dept Gastroenterol, Aoba Ku, Sendai, Miyagi 9808574, Japan Tohoku Univ Sendai Miyagi Japan 9808574 Ku, Sendai, Miyagi 9808574, Japan
Titolo Testata:
GUT
fascicolo: 3, volume: 49, anno: 2001,
pagine: 330 - 334
SICI:
0017-5749(200109)49:3<330:HPIPER>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
GASTROESOPHAGEAL REFLUX; PEPTIC ESOPHAGITIS; OMEPRAZOLE; MECHANISMS; PREVALENCE; RANITIDINE; DISEASE;
Keywords:
Helicobacter pylori; gastro-oesophageal reflux disease; reflux oesophagitis; acid secretion;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Koike, T Tohoku Univ, Grad Sch Med, Dept Gastroenterol, Aoba Ku, 1-1 Seiryo Machi, Sendai, Miyagi 9808574, Japan Tohoku Univ 1-1 Seiryo Machi Sendai Miyagi Japan 9808574 4, Japan
Citazione:
T. Koike et al., "Helicobacter pylori infection prevents erosive reflux oesophagitis by decreasing gastric acid secretion", GUT, 49(3), 2001, pp. 330-334

Abstract

Background-Helicobacter pylori infection is less prevalent and atrophic gastritis is less extensive in patients with reflux oesophagitis than those without it, but few studies have examined this relationship directly. Aims-We investigated the relationship between H pylori infection, acid secretion, and reflux oesophagitis in Japanese subjects. Subjects-A total of 105 patients with erosive reflux oesophagitis were compared with 105 sex and age matched patients without reflux oesophagitis. Methods-The diagnosis of H pylori infection was made by histological examination of gastric mucosal biopsy specimens, rapid urease test, and detection of serum IgG antibodies. Acid secretion was assessed by the endoscopic gastrin test. Results-H pylori infection was present in 36 patients with erosive reflux oesophagitis (34.3%) and in 80 control subjects (76.2%) (odds ratio 0.163, 95% confidence interval 0.09-0.29). Overall acid secretion was significantly greater in patients with reflux oesophagitis. Among H pylori positive patients, acid secretion was greater in patients with reflux oesophagitis thanthose without oesophagitis. Conclusion-In Japan, erosive reflux oesophagitis occurs most often in the absence of H pylori infection and gastric hyposecretion. Even in the presence of H pylori infection, reflux oesophagitis is more likely to develop in patients without gastric hyposecretion. H pylori infection may inhibit reflux oesophagitis by inducing hypoacidity.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 04:07:07