Publications by authors named "von Birgelen C"

Patients undergoing percutaneous coronary intervention (PCI) may experience bleeding events. Bleeding risk is increased in patients with comorbid peripheral arterial disease (PADs). To evaluate whether PCI patients with PADs have worse outcome after bleeding, we assessed pooled patient-level data of 5,989 randomized all-comer trial participants and identified those who had a bleeding (BIO-RESORT:NCT01674803, BIONYX:NCT02508714).

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Background: Ticagrelor monotherapy after 1-3 months of dual antiplatelet therapy (DAPT) has shown to be effective and safe after percutaneous coronary intervention (PCI), including in patients with an ST elevation myocardial infarction (STEMI). Direct omission of aspirin could further reduce bleeding complications and may reduce the incidence and expansion of intramyocardial haemorrhage (IMH), a frequent complication after revascularisation for a STEMI.

Methods: This multicentre open label pilot study randomises 200 STEMI patients within 24 hours after primary PCI and before the first subsequent dose of aspirin to ticagrelor monotherapy or ticagrelor plus aspirin for twelve months.

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Background And Aim: Diabetes has been shown in last decades to be associated with a significantly higher mortality among patients with ST-segment elevation myocardial infarction (STEMI) treated with primary PCI (PPCI). Therefore, the aim of current study was to evaluate the impact of diabetes on times delays, reperfusion and mortality in a contemporary STEMI population undergoing PPCI, including treatment during the COVID pandemic.

Methods And Results: The ISACS-STEMI COVID-19 is a large-scale retrospective multicenter registry involving PPCI centers from Europe, Latin America, South-East Asia and North-Africa, including patients treated from 1st of March until June 30, 2019 and 2020.

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Background: Bifurcation lesions are associated with higher rates of major adverse cardiovascular events (MACE).

Aim: To investigate the impact of imaging-guided PCI in a real-world population with coronary bifurcation lesions.

Methods: From the ULTRA-BIFURCAT registry, we compared IVUS vs.

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Article Synopsis
  • The study evaluates the performance of ultrathin drug-eluting stents (DES) versus thin-strut DES and drug-eluting balloons (DEB) in treating in-stent restenosis (ISR) in patients.
  • Results show that ultrathin DES significantly lowers the risk of adverse events, including cardiac death and need for revascularization, when compared to both thin-strut DES and DEBs after three years of follow-up.
  • Additionally, in patients with diffuse ISR, ultrathin DES outperformed thin-strut DES in reducing risks of target lesion revascularization (TLR) and target vessel revascularization (TVR).
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Background And Objective: Evidence on health economic outcomes for percutaneous coronary intervention (PCI) comparing different contemporary drug-eluting stents (DES) with each other is scarce, as most previous randomised DES trials did not assess such aspects. This prespecified health economic evaluation of the Comparison of Biodegradable Polymer and Durable Polymer Drug-Eluting Stents in an All Comers Population (BIO-RESORT) trial aimed to compare at 3-year follow-up both health effects and costs of PCI with one of three new-generation drug-eluting stents (DES) in patients with obstructive coronary artery disease.

Methods: The randomised BIO-RESORT trial assessed in 3514 patients the ultrathin-strut biodegradable polymer Orsiro sirolimus-eluting stent (SES) and very-thin-strut Synergy everolimus-eluting (EES) stent versus the thin-strut durable polymer Resolute Integrity zotarolimus-eluting stent (ZES).

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Background: Hypertension is the most prevalent cardiovascular risk factor, with several detrimental effects on the cardiovascular system. Contrasting results have been reported so far on its prognostic role in patients admitted for ST-segment elevation myocardial infarction (STEMI). Therefore, we investigated the impact of hypertension on short-term mortality in a large multicenter contemporary registry of STEMI patients, including patients treated during COVID-19 pandemic.

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Article Synopsis
  • * Patients in the trial receive either evolocumab or a placebo for 12 weeks, alongside high-intensity statin therapy, and are monitored for changes in plaque size and composition using advanced imaging techniques.
  • * This study is notable for being the first to assess how significant reductions in low-density lipoprotein cholesterol (LDL-C) could impact the health of non-critical coronary lesions shortly after treatment.
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Background: The multicenter ATTEST study recently assessed 1084 patients with ischemic stroke or transient ischemic attack (TIA) of undetermined cause and found that routine transthoracic echocardiography (TTE) detects abnormalities with treatment implications (i.e., major cardiac sources of embolism) in only 1 % of patients, of whom most (91 %) also had major electrocardiographic (ECG)-abnormalities.

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  • Ethnic minorities are at a higher risk for cardiovascular issues, but previous trials in Europe didn't consider their backgrounds when studying outcomes after coronary stenting.
  • * A study analyzed data from two trials involving 5803 patients to compare outcomes in ethnic minority patients versus those of Western European origin after coronary interventions.
  • * Findings showed no significant difference in 1-year complications (like target vessel failure) between ethnic minorities and Western European patients, despite ethnic minorities having worse cardiovascular risk factors.
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Background: The rotational position of the aortic root (AoR) is of substantial clinical interest as it has been associated with severe aortic complications, such as aortic dissections. We described a cardiac magnetic resonance (CMR)-based method for measuring AoR rotation and evaluated the reliability of measurements.

Methods: CMR was used for measuring AoR rotation in 50 consecutive healthy subjects.

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Article Synopsis
  • The BIONYX trial is the first to compare the long-term outcomes of the Onyx durable polymer-coated zotarolimus-eluting stent (ZES) and the Orsiro biodegradable-polymer sirolimus-eluting stent (SES) in a diverse patient group, including those with diabetes.
  • After a 5-year follow-up of nearly all participants, the results indicated no significant difference in the rate of target vessel failure (TVF) between the two stents (12.7% for Onyx vs. 13.7% for Orsiro).
  • However, patients treated with Onyx ZES aged 75 years and older showed lower rates of TVF compared to those with Orsiro
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Article Synopsis
  • A significant number of patients undergoing percutaneous coronary intervention (PCI) have few or no standard modifiable cardiovascular risk factors (SMuRFs), such as hypertension, diabetes, hypercholesterolemia, and smoking.
  • The study analyzed patients based on how many SMuRFs they had and found that as the number of SMuRFs increased, the risk of target lesion failure (TLF) also rose significantly.
  • Patients without SMuRFs had better outcomes, but there's a need for further research to improve treatment strategies for the majority who do have risk factors.
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Background And Aims: Previous studies in percutaneous coronary intervention (PCI) patients showed a higher 3-year adverse event risk, including all-cause mortality, in those with concomitant peripheral arterial disease (PADs). Ten-year data of mortality and causes of death are scarce. This analysis assessed PCI patients, treated with contemporary drug-eluting stents, the impact of concomitant PADs on very long-term mortality, and causes of death.

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Background: As life expectancy increases, the population of older individuals with coronary artery disease and frailty is growing. We aimed to assess the impact of patient-reported frailty on the treatment and prognosis of elderly early survivors of non-ST-elevation acute coronary syndrome (NSTE-ACS).

Methods: Frailty data were obtained from two prospective trials, POPular Age and the POPular Age Registry, which both assessed elderly NSTE-ACS patients.

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Patients with peripheral arterial disease (PADs), undergoing percutaneous coronary intervention (PCI), have higher adverse event risks. The effect of invasiveness of PADs treatment on PCI outcome is unknown. This study assessed the impact of the invasiveness of previous PADs treatment (invasive or non-invasive) on event risks after PCI with contemporary drug-eluting stents.

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Article Synopsis
  • A study in six Dutch hospitals examined the effectiveness of routine transthoracic echocardiography (TTE) in patients who experienced ischaemic stroke or transient ischaemic attack of unknown origin.
  • Out of 1084 enrolled patients, TTE detected major cardiac sources of embolism (CSE) in only 1% of cases, with most of those also showing significant ECG abnormalities.
  • The findings suggest that routine TTE may not be necessary for this patient group, as most CSEs detected were linked to pre-existing ECG issues.
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  • The study investigates the effectiveness of 7-day outpatient cardiac rhythm monitoring for detecting atrial fibrillation (AF) in patients who have had an ischemic stroke of unknown cause.
  • Out of 373 patients monitored, 4.6% were found to have new AF, with most cases detected within the first three days, but some were identified up to day 7.
  • The research suggests that the current guideline of a minimum 3-day monitoring may not be adequate, highlighting the need for longer monitoring in certain patients due to their cardiovascular risk factors.
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Objectives: We assessed differences in risk profile and 3-year outcome between patients undergoing percutaneous coronary intervention (PCI) for and coronary artery disease (CAD).

Background: The prevalence of CAD increases with age, yet some individuals develop obstructive CAD at younger age.

Methods: Among participants in four randomized all-comers PCI trials, without previous coronary revascularization or myocardial infarction (MI), we compared patients with premature (men <50 years; women <55 years) and non-premature CAD.

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Background: In patients with peripheral arterial disease (PADs), who underwent percutaneous coronary intervention (PCI), little is known about the potential impact of using different new-generation drug-eluting stents (DES) on outcome. In PCI all-comers, the results of most between-stent comparisons-stratified by strut thickness-suggested some advantage of coronary stents with ultrathin-struts. The current post-hoc analysis aimed to assess outcomes of PCI with ultrathin-strut biodegradable polymer sirolimus-eluting stents (BP-SES) thin-strut durable polymer zotarolimus-eluting stents (DP-ZES) in patients with PADs.

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Article Synopsis
  • * The study analyzed data from 3,323 patients, finding that 17.5% had premature CAD, defined for men under 50 and women under 55, and these patients presented with lower risk profiles and underwent less complex procedures.
  • * Over a follow-up period of up to two years, premature CAD patients consistently showed significantly lower rates of MACE and mortality, suggesting better clinical outcomes with modern stenting techniques.
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Background: For women undergoing drug-eluting stent (DES) implantation, the individual and combined impact of chronic kidney disease (CKD) and diabetes mellitus (DM) on outcomes is uncertain.

Aims: We sought to assess the impact of CKD and DM on prognosis in women after DES implantation.

Methods: We pooled patient-level data on women from 26 randomised controlled trials comparing stent types.

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Background: Data about the long-term performance of new-generation ultrathin-strut drug-eluting stents (DES) in challenging coronary lesions, such as left main (LM), bifurcation, and chronic total occlusion (CTO) lesions are scant.

Methods: The international multicenter retrospective observational ULTRA study included consecutive patients treated from September 2016 to August 2021 with ultrathin-strut (<70 µm) DES in challenging de novo lesions. Primary endpoint was target lesion failure (TLF): composite of cardiac death, target-lesion revascularization (TLR), target-vessel myocardial infarction (TVMI), or definite stent thrombosis (ST).

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Article Synopsis
  • * A study involving over 16,600 STEMI patients found a 16% reduction in PPCI procedures in 2020 compared to 2019, with the elderly experiencing the most significant delays.
  • * Consequently, there was a notable increase in 30-day mortality rates during the pandemic, particularly among older patients, attributed to longer ischemia times and treatment delays.
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