Publications by authors named "A Walan"

Background & Aims: It is important to evaluate the long-term effects of therapies for gastroesophageal reflux disease (GERD). In a 12-year study, we compared the effects of therapy with omeprazole with those of antireflux surgery.

Methods: This open, parallel group study included 310 patients with esophagitis enrolled from outpatient clinics in Nordic countries.

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Background: This randomized clinical trial compared long-term outcome after antireflux surgery with acid inhibition therapy in the treatment of chronic gastro-oesophageal reflux disease (GORD).

Methods: Patients with chronic GORD and oesophagitis verified at endoscopy were allocated to treatment with omeprazole (154 patients) or antireflux surgery (144). After 7 years of follow-up, 119 patients in the omeprazole arm and 99 who had antireflux surgery were available for evaluation.

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Background: The impact of long-term acid suppression on the gastric mucosa remains controversial.

Aim: To report further observations on an established cohort of patients with gastro-oesophageal reflux disease, after 7 years of follow-up.

Methods: Of the original cohort randomized to either antireflux surgery or omeprazole, 117 and 98 patients remained in the medical and surgical arms, respectively.

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Background: Helicobacter pylori gastritis may progress to glandular atrophy and intestinal metaplasia, conditions that predispose to gastric cancer. Profound suppression of gastric acid is associated with increased severity of H pylori gastritis. This prospective randomised study aimed to investigate whether H pylori eradication can influence gastritis and its sequelae during long term omeprazole therapy for gastro-oesophageal reflux disease (GORD).

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Objective: To compare the impact on quality of life (QoL) of omeprazole and misoprostol during healing, and omeprazole, misoprostol, and placebo during maintenance treatment in chronic NSAID users with NSAID-associated gastroduodenal lesions.

Methods: Validated baseline and follow-up QoL questionnaires were completed by 610 patients (healing: after 4/8 weeks; maintenance: after 6 months).

Results: Patients with arthritis being treated with NSAIDs have a poor QoL.

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