ArticlePloS one2022
Modelling the microelimination of chronic hepatitis C in the canton of Bern, Switzerland: Reaching the Swiss Hepatitis Strategy goals despite the impact of the COVID 19 pandemic.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 3 institutions in 2 countries.
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Abstract
aims of the studySince 2014, the Swiss Hepatitis Strategy (SHS) has targeted the elimination of Hepatitis C Virus (HCV) in Switzerland. The epidemiology of HCV is diverse across Swiss cantons, therefore cantonal-level screening and treatment strategies should be developed. This study aimed to identify scenarios to achieve HCV elimination in the canton of Bern by 2030.
methodsA preexisting Markov disease burden model was populated with data for Bern, and used to forecast the current and future prevalence of HCV, annual liver-related deaths (LRDs), and incidence of hepatocellular carcinoma and decompensated cirrhosis until 2030. Scenarios were developed to assess the current standard of care and potential long-term impact of the COVID-19 crisis on the HCV infected population. Additionally, potential scenarios for achieving the WHO 2030 targets and the SHS 2025 and 2030 targets (reduction of new cases of HCV, HCV-related mortality and viremic HCV cases) were identified.
resultsIn 2019, there were an estimated 4,600 (95% UI: 3,330-4,940) viremic infections in the canton of Bern and 57% (n = 2,600) of viremic cases were diagnosed. This modelling forecasted a 10% increase in LRDs (28 in 2020 to 31 in 2030) with the current standard of care and a 50% increase in LRDs in a scenario assuming long-term delays. To achieve the WHO and SHS targets, the canton of Bern needs to increase the annual number of patients diagnosed (from 90 in 2019 to 250 per year in 2022-2024 [WHO], or 500 per year in 2022-2025 [SHS]) and treated (from 130 in 2019 to 340 per year in 2022-2024 [WHO] or 670 per year in 2022-2025 [SHS]).
conclusionsThe SHS goals and the WHO targets for HCV elimination can be achieved in the Swiss canton of Bern by 2030; however, not at the current pace of screening, linkage to care and treatment.
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