Publications by authors named "Karel Sonnenschein"

Objective: Vital exhaustion is associated with the pathogenesis of cardiovascular disease (CVD), but its prevalence after percutaneous coronary intervention (PCI) with drug-eluting stent implantation, as well as the impact of personality on exhaustion, is not known. In PCI patients, we examined (a) the prevalence of exhaustion, (b) the impact of type-D personality on exhaustion over time, and (c) the clinical significance of type-D personality compared with gender and age as predictors of exhaustion.

Methods: Consecutive patients (n=419) with stable or unstable angina treated with PCI with drug-eluting stent implantation completed the Type-D Scale (DS14) at baseline and the Maastricht Questionnaire (which assesses exhaustion) at baseline and at 1 year.

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Background: Little is known about the impact of psychological risk factors on cardiac prognosis in the drug-eluting stent era. We examined whether the distressed personality (Type D) moderates the effect of percutaneous coronary intervention with sirolimus-eluting stent implantation on adverse clinical events at 2-year follow-up. Type D is an emerging risk factor in patients with cardiovascular disease.

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Objectives: The purpose of this study was to investigate the medium-term (two year) outcome of the unrestricted utilization of sirolimus-eluting stents (SES) in an all-comer population.

Background: Despite the implantation of SES in over a million patients to date, limited data exist on long-term outcomes.

Methods: Sirolimus-eluting stents were used as the default strategy as part of the Rapamycin-Eluting Stent Evaluated at Rotterdam Cardiology Hospital (RESEARCH) registry.

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Background: Depression is common in cardiac patients and has been associated with adverse clinical outcome. However, little is known about predictors of the onset of depressive symptoms. We examined predictors of the onset of depressive symptoms at 12 months post-percutaneous coronary intervention (PCI) in patients treated in the drug-eluting stent era.

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Aims: Chronic total occlusions (CTOs) are commonly found on diagnostic angiography, and there is some evidence from one study that successful percutaneous revascularization leads to an improvement in long-term survival rates. However, this study included patients treated for unstable angina with short-duration occlusion, and stent implantation was utilized in only 7%. We re-evaluated the long-term outcomes of a large consecutive series of patients with a CTO of >1-month duration treated at our centre, with stent implantation utilized in the majority.

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This study evaluated and compared the efficacy of sirolimus-eluting stents (n = 145 patients) with that of paclitaxel-eluting stents (n = 148 patients) in 293 consecutive unselected patients who had diabetes mellitus. Baseline clinical characteristics and presentations were similar: mean age of 64 years, 50% presented with unstable angina or myocardial infarction, and 66% had multivessel disease. Angiographic and procedural characteristics differed, with more complex lesions and more vein grafts managed in the paclitaxel-eluting stent group.

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Background: Diabetes mellitus is a well-known risk factor for future adverse cardiac events after coronary intervention with conventional metal stents. In this study, the impact of sirolimus-eluting stents (SES) were evaluated in a consecutive group of diabetic patients undergoing elective percutaneous coronary treatment and compared to a population treated with bare metal stents.

Methods And Results: From April 2002, a policy of routine SES implantation has been instituted in our hospital.

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Objectives: The goal of this research was to clarify whether the benefit of reperfusion therapy for myocardial infarction was sustained long-term and to assess the gain in life expectancy by reperfusion therapy.

Background: Reperfusion therapy in acute myocardial infarction reduces infarct size and increases hospital survival.

Methods: We analyzed the 20-year outcome of 533 patients (mean age 56 years; 82% men) who were randomized to either reperfusion therapy or conventional therapy during the years 1981 to 1985.

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Objectives: We investigated the efficacy of paclitaxel-eluting stents (PES) compared to sirolimus-eluting stents (SES) when used without restriction in unselected patients.

Background: Both SES and PES have been separately shown to be efficacious when compared to bare stents. In unselected patients, no direct comparison between the two devices has been performed.

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Objectives: We sought to determine the real-world incidence of angiographically confirmed and possible stent thrombosis (ST) in an unrestricted population during the first 30 days after bare-metal stent (BMS), sirolimus-eluting stent (SES), and paclitaxel-eluting stent (PES) implantation.

Background: Current data on ST in drug-eluting stents (DES) have come from randomized trials with strict entry criteria, which limits their generalizability to daily practice.

Methods: The study population comprised three sequential cohorts of 506 consecutive patients with BMS, 1,017 consecutive patients with SES, and 989 consecutive patients treated with PES.

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