Rheumatology (Oxford, England) · 2025
Antibiotics in inflammatory arthritis and background population one year before and after diagnosis: a nationwide drug utilization study.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Kragsnaes Maja S, Risbo Nickolaj, Pedersen Jens Kristian, Obel Niels, Finckh Axel, Pedersen Alma B, Ellingsen Torkell
Аннотация
OBJECTIVES: To describe antibiotic use in patients with inflammatory arthritis (IA) and in the background population (BP) within one year before and after IA diagnosis.
METHODS: Using data from Danish nationwide registries, we identified all adults with a first-time diagnosis of RA, PsA, or AS/spondyloarthritis (AS/SpA) from 2010 through 2018. For each IA patient, we randomly sampled 10 persons from the BP, matched on sex and birthdate. We calculated the prevalence (n [%]) of any antibiotic dispensing and the total antibiotic dispensing in the year before and after diagnosis.
RESULTS: We identified 28 504 new-onset IA patients (RA, n = 16 130; PsA, n = 5988; AS/SpA, n = 6386) and 285 040 BP individuals. Within one year before diagnosis, the total amount of dispensed antibiotics was higher in both RA, PsA and As/SpA compared with the BP (prevalence rate ratios [PRR], 1.48 [1.46; 1.51]; 1.67 [1.62; 1.72]; 1.52 [1.47; 1.56], respectively). The amount increased with 22% in IA patients three months before diagnosis compared with the preceding three-month period. Although the prevalence of any antibiotic dispensing in IA patients decreased in the year following the diagnosis (IA; 40.6%), the total one-year antibiotic dispensing remained constant in RA (PRR 0.99 [0.97; 1.01]), decreased in PsA (0.91 [0.87; 0.94]) and increased in AS/SpA (1.08 [1.04; 1.12]) patients after diagnosis compared with before.
CONCLUSION: Antibiotics are more frequently dispensed to individuals developing IA compared with the BP. Antibiotic utilization patterns change after IA diagnosis with marked differences among IA subgroups.
METHODS: Using data from Danish nationwide registries, we identified all adults with a first-time diagnosis of RA, PsA, or AS/spondyloarthritis (AS/SpA) from 2010 through 2018. For each IA patient, we randomly sampled 10 persons from the BP, matched on sex and birthdate. We calculated the prevalence (n [%]) of any antibiotic dispensing and the total antibiotic dispensing in the year before and after diagnosis.
RESULTS: We identified 28 504 new-onset IA patients (RA, n = 16 130; PsA, n = 5988; AS/SpA, n = 6386) and 285 040 BP individuals. Within one year before diagnosis, the total amount of dispensed antibiotics was higher in both RA, PsA and As/SpA compared with the BP (prevalence rate ratios [PRR], 1.48 [1.46; 1.51]; 1.67 [1.62; 1.72]; 1.52 [1.47; 1.56], respectively). The amount increased with 22% in IA patients three months before diagnosis compared with the preceding three-month period. Although the prevalence of any antibiotic dispensing in IA patients decreased in the year following the diagnosis (IA; 40.6%), the total one-year antibiotic dispensing remained constant in RA (PRR 0.99 [0.97; 1.01]), decreased in PsA (0.91 [0.87; 0.94]) and increased in AS/SpA (1.08 [1.04; 1.12]) patients after diagnosis compared with before.
CONCLUSION: Antibiotics are more frequently dispensed to individuals developing IA compared with the BP. Antibiotic utilization patterns change after IA diagnosis with marked differences among IA subgroups.