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  • Title: Long-term complications to reflux disease in community practice. A 17-year cohort study of 4706 patients.
    Author: Hvid-Jensen F, Pedersen L, Munk EM, Drewes AM, Funch-Jensen P.
    Journal: Scand J Gastroenterol; 2011 Oct; 46(10):1179-86. PubMed ID: 21793632.
    Abstract:
    OBJECTIVE: To examine the risk of developing strictures in patients with erosive and non-erosive gastroesophageal reflux disease in a community-based setting, since controlled trials indicate that the use of proton pump inhibitors renders the risk of strictures insignificant. MATERIAL AND METHODS: A 17-year cohort study of 4706 patients referred to endoscopy due to upper GI symptoms, with a population comparison cohort of 47,060 individuals. All patients were followed and treated according to prevailing guidelines by their usual care provider. Main outcomes were relative risks (RR) and 95% confidence intervals (CI) for incident strictures and dilatations. RESULTS: 776 (16.5%) patients were diagnosed with erosive esophagitis, particularly men (61.2%). Over a period of 1-17 years (mean 10.5), 20 patients (2.6%) in the esophagitis group developed a peptic stricture, necessitating one or more dilatations in 16 patients (2.1%). Among the non-esophagitis patients, the incidences for both outcomes were 1.2%. Male gender doubled the risk of developing strictures, and alcohol abuse raised the risk four folds. Erosive patients had a risk of developing strictures eight times (95% CI: 5.0-13.0) higher than controls, whereas non-erosive patients' risk was 4.0 (95% CI: 2.8-5.7). The majority of strictures developed within the first 10 years after a diagnosis of esophagitis. CONCLUSION: Patients with esophagitis had eight times higher risk of strictures than population controls and two times higher than dyspeptic patients without esophagitis. This indicates that long-term outcomes in general practice are poorer than in controlled trials, most likely due to a lack of compliance with medication.
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