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- Doorakkers, Eva, et al.
(author)
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Helicobacter pylori eradication in the Swedish population
- 2017
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In: Scandinavian Journal of Gastroenterology. - Stockholm : Karolinska Institutet, Dept of Molecular Medicine and Surgery. - 0036-5521 .- 1502-7708.
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Journal article (peer-reviewed)abstract
- Objectives: Helicobacter pylori (H. pylori) is associated with peptic ulcers and gastric cancer and its eradication aims to prevent these conditions. The recommended eradication regimen is triple therapy, consisting of a proton pump inhibitor in combination with clarithromycin and amoxicillin or metronidazole for 7 days. Yet, other antibiotic regimens are sometimes prescribed. We aimed to assess the use of eradication therapy for H. pylori in the Swedish population during the last decade. Materials and Methods: This population-based study used data from the Swedish Prescribed Drug Register. From July 2005 until December 2014, all regimens that can eradicate H. pylori were identified and evaluated according to patients’ age and sex and calendar year of eradication. Results: We identified 157,915 eradication episodes in 140,391 individuals (53.8% women, 42.6% older than 60 years), who correspond to 1.5% of the Swedish population. The absolute number and incidence of eradications decreased over the study period. Overall, 91.0% had 1 eradication and 0.1% had more than 3. Of all eradications, 95.4% followed the recommended regimen, while 4.7% did not. The latter group was overrepresented among individuals aged ≥80 years (7.8%). Amoxicillin and clarithromycin were most frequently prescribed, while metronidazole was rarely used (0.01%). Other prescribed antibiotics were ciprofloxacin (2.4%), doxycycline (1.4%), nitrofurantoin (0.7%), norfloxacin (0.5%) and erythromycin (0.3%). Conclusions: During the last decade in Sweden H. pylori eradication has been frequently prescribed, but the incidence of eradication has slowly declined. Most eradications followed the recommended regimen, including those occurring after a previous eradication.
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