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BACKGROUND/OBJECTIVES There have been controversies about whether inhaled bronchodilators could increase the risk of clinically important tachyarrhythmias. We investigated the association between inhaled bronchodilators and the development of tachyarrhythmias, including atrial fibrillation and other paroxysmal tachyarrhythmias in real practice. METHODS We(More)
There have been concerns that systemic corticosteroid use is associated with pregnancy-induced hypertension (PIH) and diabetes mellitus. However, the relationship between inhaled corticosteroids (ICSs) and the risk of PIH has not been fully examined, and there was no study investigating the association between ICS use and the development of gestational(More)
BACKGROUND/AIMS Biological agents (biologics) targeting proinflammatory signaling have emerged as an important treatment option in rheumatoid arthritis (RA). Despite the clinical effectiveness of biologics for patients with RA who do not respond to 'traditional' disease-modifying anti-rheumatic drugs (DMARDs), there are concerns regarding their cost and(More)
Although there have been concerns that inhaled long-acting muscarinic antagonists increase the risk of stroke, controversies exist. We investigated whether respiratory drugs including long-acting muscarinic antagonists are associated with the risk of stroke. A nested case-control study using the nationwide insurance claims database of the Health Insurance(More)
OBJECTIVES Few nationwide population-based studies have examined the burden of asthma during pregnancy. Here, we investigated the burden and medical treatment of asthma during pregnancy requiring healthcare utilisation in South Korea. DESIGN Cohort study. SETTING Nationwide insurance claims database. PARTICIPANTS A total of 1,306,281 pregnant women(More)
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