Paracetamol consumption is clearly highest in France, whereas its use of strong opioids is among the lowest in Europe, although its consumption of oxycodone has increased significantly. Further studies are required specifically to monitor these drugs.
The same antimicrobial drugs were used in human and veterinary medicines but the quantitative patterns of use were different. Expression of antimicrobial usage is a key point to address when comparing usage trends.
Objectives
The quality of antibiotic consumption in the community can be assessed using 12 drug-specific quality indicators (DSQIs) developed by the European Surveillance of Antimicrobial Consumption (ESAC) project. We compared quality in 2009 and 2017 in the EU/European Economic Area (EEA) and evaluated the impact of using different DDD values (ATC/DDD indices 2011 and 2019) for the 2009 quality assessment using these DSQIs and a joint scientific opinion (JSO) indicator.
Methods
We calculated the 12 DSQIs and the JSO indicator for 2017 and for 2009 for EU/EEA countries able to deliver values. For each of the indicators we grouped the 2017 and 2009 indicator values into four quartiles. To evaluate changes in quality between 2009 and 2017, we used the quartile distribution of the 2009 indicator values in 30 EU/EEA countries as benchmarks. In addition, we compared the quality assessment for 2009 using the ATC/DDD indices 2011 and 2019.
Results
In 2017, a difference in the quality of antibiotic consumption in the community between northern and southern EU/EEA countries remained, but also several eastern EU/EEA countries shifted towards lower quality. Quality of antibiotic consumption decreased between 2009 and 2017 in particular indicator values for penicillin, quinolone, relative β-lactam and broad- versus narrow-spectrum antibiotic consumption, and seasonal variation. Using different ATC/DDD indices did not substantially change countries’ ranking based on their DSQI values.
Conclusions
The quality of antibiotic consumption in the community as measured by the DSQIs further decreased between 2009 and 2017, especially in Southern and Eastern European countries. A continuous effort to improve antibiotic consumption is essential to reduce antibiotic consumption in general and the use of broad-spectrum antibiotics in particular.
National antibiotic stewardship programmes recommend monitoring antibiotic consumption and benchmarking. The WHO recommend the Anatomic Therapeutic Chemical classification and respective Defined Daily Doses (DDD) for drug utilization research [1]. This is the most frequently used unit of measure within the European Union (EU). Wide variations in antibiotic consumption exist between EU countries in the outpatient setting, ranging in 2012 from 11.3 (the Netherlands) to 31.9 DDD per 1000 inhabitants and per day (Greece) [2]. Penicillins are the most consumed antibacterial agents in the community in all EU countries. Amoxicillin and amoxicillin/clavulanate are the two most widely prescribed penicillins, except in Denmark, Norway and Sweden where penicillin V and other very narrow-spectrum penicillins are used preferentially [2].
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