Related Experiment Video
Updated: Jan 26, 2026

An R-Based Landscape Validation of a Competing Risk Model
Published on: September 16, 2022
Validation of High-Risk Features for Stent-Related Ischemic Events as Endorsed by the 2017 DAPT Guidelines
Yasushi Ueki1, Alexios Karagiannis2, Christian Zanchin1
1Department of Cardiology, Bern University Hospital, Bern, Switzerland.
Insights
European Society of Cardiology high-risk features predict increased ischemic and bleeding events after percutaneous coronary intervention. These findings are crucial for risk stratification in patients undergoing PCI.
Area of Science:
- Cardiology
- Interventional Cardiology
- Clinical Risk Stratification
Background:
- The 2017 European Society of Cardiology guidelines identify high-risk features for stent-related ischemic events.
- Accurate risk stratification for both ischemic and bleeding events is essential due to the inherent link between high ischemic risk and increased bleeding risk.
Purpose of the Study:
- To validate European Society of Cardiology (ESC) guideline-endorsed high-risk features for predicting ischemic and bleeding outcomes.
- To stratify these risks based on the PRECISE-DAPT score for bleeding risk.
Main Methods:
- Prospective inclusion of 10,236 patients undergoing percutaneous coronary intervention (PCI) in the Bern PCI Registry (2009-2015).
- Retrospective assessment of ESC guideline-endorsed high-risk features.
- Primary endpoints: device-oriented composite endpoint (DOCE) and Bleeding Academic Research Consortium (BARC) 3-5 bleeding at 1 year.
Main Results:
- 52.0% of patients had at least one high-risk feature.
- Patients with high-risk features showed significantly higher rates of DOCE (12.3% vs. 5.5%) and BARC 3-5 bleeding (4.9% vs. 2.2%) compared to those without.
- A graded increase in risk for both DOCE and BARC 3-5 bleeding was observed with an increasing number of high-risk features.
- High PRECISE-DAPT score (≥25) correlated with increased DOCE and BARC 3-5 bleeding, irrespective of the number of high-risk features.
Conclusions:
- ESC guideline-endorsed high-risk features are associated with elevated ischemic and bleeding risks in real-world PCI practice.
- These features aid in predicting outcomes following percutaneous coronary intervention.
- (CARDIOBASE Bern PCI Registry; NCT02241291)
Objectives:
This study sought to validate European Society of Cardiology guideline-endorsed high-risk features of stent-related recurrent ischemic events for the prediction of ischemic and bleeding outcomes including a stratification according to the PRECISE-DAPT score estimated bleeding risk.
Background:
The 2017 European Society of Cardiology-focused update on dual-antiplatelet therapy endorsed high-risk features of stent-related recurrent ischemic events. Because patients with high ischemic risk also have an increased bleeding risk, appropriate risk stratification for ischemic and bleeding events is crucial.
Methods:
Between January 2009 and December 2015, a total of 10,236 consecutive patients undergoing clinically indicated percutaneous coronary intervention were prospectively included in the Bern PCI Registry. Guideline-endorsed high-risk features were retrospectively assessed. The primary ischemic endpoint was device-oriented composite endpoint (DOCE) (cardiac death, target-vessel myocardial infarction, and target lesion revascularization) at 1 year, and the primary bleeding endpoint was Bleeding Academic Research Consortium (BARC) 3-5 at 1 year.
Results:
A total of 5,323 (52.0%) patients had at least 1 high-risk feature. Among patients with high-risk features, DOCE (12.3% vs. 5.5%; p < 0.001) and BARC 3-5 bleeding (4.9% vs. 2.2%; p < 0.001) occurred more frequently compared with those without. There was a graded risk increase for DOCE (0: 5.5%; 1 to 2: 11.3%; and ≥3: 16.7%; p < 0.001) and BARC 3-5 bleeding (0: 2.2%; 1 to 2: 4.5%; and ≥3: 6.6%; p < 0.001) as the number of high-risk features increased. High-PRECISE-DAPT score (≥25) was associated with an increased risk of DOCE and BARC 3-5 bleeding, irrespective of number of high-risk features.
Conclusions:
The European Society of Cardiology guideline-endorsed high-risk features were associated with increased ischemic and bleeding risks following percutaneous coronary intervention in routine clinical practice. (CARDIOBASE Bern PCI Registry; NCT02241291).
Related Concept Videos
Reliability and Validity
Guidelines for Nursing Documentation II
Timely documentation is crucial to ensure continuity of care for patients. Any delays in recording or reporting medical information can result in medical errors and even adverse patient outcomes. From medication administration to diagnostic test results, every detail must be accurately and promptly documented to provide the best possible care for patients.
Legal Guidelines for Documentation
Guidelines for Sketching a Curve
Guidelines for Writing Outcome
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
Guidelines for Nursing Documentation I
Factual:
The following points emphasize the significance of upholding accurate and unbiased documentation in healthcare.

