Publications by authors named "Kalantzis Chrissostomos"

Background And Aims: Wireless capsule endoscopy (WCE) is used in Crohn's disease (CD) to define disease extent. We aimed to define WCE detection rate of small bowel ulcerative lesions and completion rate in CD patients.

Patients And Methods: A total of 102 consecutive CD patients, who successfully passed patency capsule, were matched to 102 controls.

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Background/aims: Duodenogastric reflux is a possible risk factor for esophageal adenocarcinoma (CA) development. Gastric surgery that destroys or distorts the pylorus is a good model to study the effects of duodenogastric reflux. To define the consequences of gastrectomy in patients with Barrett esophagus (BE).

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Background:   Overt and occult bleeding are the main indications for a wireless capsule endoscopy (WCE) study of the small bowel. Most published studies omit patients aged over 80.

Aim:   To determine whether WCE is feasible in patients with overt or occult bleeding over age 80 and to define the spectrum of small bowel pathologies in this age group.

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Background: The role of genetic factors in the etiology of gastroesophageal reflux disease (GERD) is still uncertain.

Aim: To define whether the presence of reflux symptoms in first-degree relatives can affect the severity of the endoscopic picture of patients with GERD and disease evolution during follow-up.

Patients/methods: A total of 1930 consecutive patients with GERD were referred for endoscopy from Trikala prefecture, had an entry endoscopy and a follow-up if needed.

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Background: The role of capsule endoscopy (CE) in the diagnosis of active mild-to-moderate GI bleeding (GIB) immediately after a negative EGD and ileocolonoscopy has not been prospectively evaluated.

Objective: To estimate the diagnostic yield and clinical significance of CE in patients with acute, obscure, overt, mild-to-moderate GIB.

Design: A single-center prospective study.

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