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Introduction: Potential benefit with potent platelet inhibition in patients with chronic coronary syndrome (CCS) undergoing percutaneous coronary intervention (PCI) has been discussed. The aim of this study was to compare a potent P2Y12 inhibition strategy using ticagrelor with clopidogrel in CCS patients referred for coronary angiography (CA) and PCI if feasible. Methods: In this retrospective real-world study, patients referred for outpatient CA due to suspected CCS were included. To adjust for group differences, a propensity score reflecting the probability of being treated with ticagrelor was calculated and added to the logistic regression outcome model. Results: In total, 1,003 patients were included in the primary analysis (577 treated with clopidogrel and 426 with ticagrelor). Among clopidogrel-treated patients, 132 (22.9%) experienced a bleeding complication compared with 93 (21.8%) among ticagrelor-treated patients, with no significant difference between the groups (p = 0.70). There was no difference in bleeding severity. Furthermore, we observed no statistically significant difference in major adverse cardiovascular events (MACE [death, stent thrombosis, myocardial infarction, or stroke]) (1.2% vs. 2.3%, p = 0.17). A subgroup analysis restricted to patients undergoing PCI ad hoc displayed a similar pattern. Also, patients undergoing CA without PCI ad hoc frequently experienced a bleeding complication, with no difference between the two treatments (21.0% vs. 17.3%, p = 0.27). Propensity score adjusted analyses confirmed the results. Discussion: In patients with CCS referred for CA and PCI if feasible, a more potent P2Y12 inhibition strategy with ticagrelor was not associated with bleeding complications or MACE compared with clopidogrel.

BACKGROUND: Bleeding complications increase mortality in myocardial infarction patients. Potential gender difference in bleeding regarding prevalence and prognostic impact is still controversial. OBJECTIVES: Gender comparison regarding incidence and prognostic impact of bleeding in patients hospitalised with myocardial infarction during 2006-2008. METHODS: Observational study from the SWEDEHEART register. Outcomes were in-hospital bleedings, in-hospital mortality and one-year mortality in hospital survivors. RESULTS: A total number of 50,399 myocardial infarction patients were included, 36.6% women. In-hospital bleedings were more common in women (1.9% vs. 3.1%, p

The aim of this thesis was to evaluate baseline characteristics, management and outcome in real life ST-elevation myocardial infarction [STEMI] cohorts from a gender perspective. We aimed to evaluate the total STEMI population as well as certain subgroups, such as the youngest. Moreover we aimed to analyse gender differences in renal function, and the prognostic impact of reduced renal function in men and women with STEMI. In Paper I all STEMI patients registered in RIKS-HIA between 1st Jan 1995 and 31st Dec 2006 were included, in total 54 146 patients, 35% women. Women were 7 years older than men, with 30 min longer median symptomto-door time. They had higher prevalence of co-morbidities such as diabetes, hypertension and heart failure whereas men were more often smokers, had a previous myocardial infarction [MI] or were previously revascularised. During hospital care, fewer women than men, 63% vs. 72%, p90 mL/min/1.73m2). In total 67% of women compared to 27% of men were classified as having renal insufficiency [RI] (eGFR