AI Article Synopsis
- The DAPT score is a prediction tool designed to evaluate the risks of bleeding and ischemic events after coronary interventions and helps determine how long to continue antiplatelet therapy.
- A systematic review and meta-analysis involving over 88,000 patients showed that a high DAPT score correlates with increased ischemic risk but lower bleeding risk.
- The findings suggest that the DAPT score is effective for risk stratification, but further research is needed to clarify its impact on clinical outcomes with longer antiplatelet therapy durations.
Article Abstract
Background: The dual antiplatelet therapy (DAPT) score, one of the first prediction tools to attempt to uncouple bleeding and ischemic risk following percutaneous coronary intervention, can help guide antiplatelet duration after coronary intervention. Evaluating the generalizability of the score is important to understand its utility in clinical practice.
Methods: We conducted a systematic review and meta-analysis of studies that validated the DAPT score. A random effect meta-analysis was performed of ischemic and bleeding risk based on DAPT score. A secondary analysis assessed the risk of longer versus shorter P2Y inhibitor duration on ischemic and bleeding risk in randomized controlled trials of DAPT duration.
Results: We identified 10 patient cohorts involving 88,563 patients. Compared with a low DAPT score, a high DAPT score was associated with increased ischemic risk (RR: 1.62, 95% CI: 1.41-1.87) and reduced bleeding risk (RR: 0.80, 95% CI: 0.70-0.92). In three randomized trials of DAPT duration that contained information on the DAPT score, the relative risk of net adverse clinical events (combined ischemic and bleeding events) with longer duration of DAPT was 1.56 (95% CI: 0.77-3.19) for low DAPT score patients, and 0.86 (95% CI: 0.61-1.21) for high DAPT score patients (p = .14).
Conclusions: In this large meta-analysis, the DAPT score consistently stratified bleeding and ischemic risk in opposing directions across several different study populations. More evaluation is needed to understand if the effect of longer DAPT duration on NACE is modified by the DAPT score in current practice.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8620187 | PMC |
| http://dx.doi.org/10.1002/ccd.29352 | DOI Listing |
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