Torp-Pedersen C

PURPOSE: To investigate the association between hormonal contraceptive use and the risk of retinal vascular occlusions in women of reproductive age. DESIGN: Register-based, nationwide cohort study. PARTICIPANTS: A total of 2,208,172 women…

ObjectiveTo estimate the rate of breast cancer associated with use of vaginal oestradiol tablets according to duration and intensity of their use.DesignRegistry based, case-control study, nested in a nationwide cohort.SettingBased in Denmar…

BACKGROUND: Use of the high-dose levonorgestrel-releasing intrauterine system (LNG-IUS) has been associated with increased risk of incident depression. Evidence is lacking on the influence of use of two recently marketed low-dose LNG-IUS on…

AimsTo evaluate diabetic retinopathy (DR) screening incidence in a universal healthcare system.MethodsRegistry-based cohort study based on a Danish regional population from 2009 to 2018. Individuals with diabetes were identified by medicati…

ObjectiveTo study the influence of concomitant use of hormonal contraception and non-steroidal anti-inflammatory drugs (NSAIDs) on the risk of venous thromboembolism.DesignNationwide cohort study.SettingDenmark through national registries.P…

Kawasaki disease has well-described cardiovascular complications. However, the association to autoimmunity and cancer in the long term is not well described. We investigated theses associations using a registry-based matched cohort follow-u…

BackgroundOral tranexamic acid is effective for heavy menstrual bleeding, but the thrombosis risk with this treatment is largely not studied.MethodsUsing nationwide registries, we assessed associations between use of oral tranexamic acid an…

ImportanceIn recent decades, the global rates of cesarean delivery have rapidly increased. Nonetheless, the influence of cesarean deliveries on surgical complications later in life has been understudied.ObjectiveTo investigate whether previ…