Lotte Rasmussen

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BACKGROUND Proton pump inhibitors (PPIs) have been suggested to increase the effect of warfarin, and clinical guidelines recommend careful monitoring of international normalized ratio (INR) when initiating PPI among warfarin users. However, this drug-drug interaction is sparsely investigated in a clinical setting. The aim was to assess whether initiation of(More)
PURPOSE Several survey studies have documented misuse of methylphenidate defined as the use of non-prescribed methylphenidate or use different from what was prescribed. We aimed to identify and characterize adults with deviant patterns of methylphenidate use in Denmark during 2007-2012. Further, we aimed to identify risk factors associated with deviant(More)
PURPOSE In observational studies, non-response can limit representativity and introduce bias. We aimed to investigate the longitudinal changes in the number of used drugs among complete responders, partial responders, and non-responders in a whole birth cohort of Danish nonagenarians participating in a longitudinal survey. METHODS We obtained prescription(More)
Background Some studies indicate a reduced risk of serious upper gastrointestinal bleeding (UGIB) for users of beta-blockers, but the association remains to be confirmed in larger studies and characterized with respect to differences among beta-blockers. We aimed to assess whether beta-blocker use decreases the risk of UGIB. Methods We conducted a(More)
BACKGROUND While Denmark is well known for its plethora of registers. Many studies are conducted on research databases that only cover parts of Denmark, and regional differences could potentially threaten these studies' external validity. The aim of this study was to assess sociodemographic and health related homogeneity of the five Danish regions. (More)
Background:A protective effect of tricyclic antidepressants (TCAs) against gliomas has been suggested by a small number of studies. We investigated this putative association in a nationwide setting.Methods:Using a case–control design, we identified all patients with histologically verified glioma (cases) in Denmark between 2000 and 2012 and matched these 1(More)
The aim of this study was to measure the validity of the prescriber information recorded in the Danish National Prescription Registry (DNPR). The prescriber information recorded in the pharmacies' electronic dispensing system was considered to represent the prescriber information recorded in the DNPR. Further, the problem of validity of the prescriber(More)
AIM Erectile dysfunction is a common problem among patients with cardiovascular diseases and the influence of cardiovascular drugs is much debated. The aim of this study was to evaluate the short term potential for different cardiovascular drugs to affect the risk of being prescribed a drug against erectile dysfunction. METHODS We employed a symmetry(More)
In recent years, psychotropic drug use among children and adolescents in Europe and USA has increased. However, the majority of psychotropic drugs are not formally approved for use in children and adolescents, and consequently, use is often off-label. The objectives were to describe time trends in off-label prescribing rates and the most commonly used types(More)
Aims Switching between oral anticoagulants and treatment discontinuation are common events related to therapy with non-vitamin K antagonist oral anticoagulants (NOACs). However, knowledge on the reasons leading to these treatment changes is scarce. The aim of this study was to identify clinical events preceding anticoagulant switching and NOAC(More)
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