Why the study?
Following 2012 guidelines recommending 12-month DAPT after PCI for STEACS, the authors sought to assess the influence of guideline implementation on 12-month DAPT persistence and evaluate its relationship with recommended discharge regimens.
Does the publication of clinical guidelines and explicit hospital discharge recommendations improve 12-month persistence with dual antiplatelet therapy in STEACS patients undergoing PCI?
Does the publication of clinical guidelines and explicit hospital discharge recommendations improve 12-month persistence with dual antiplatelet therapy in STEACS patients undergoing PCI?
The publication of clinical guidelines and explicit discharge recommendations significantly improve 12-month persistence with dual antiplatelet therapy after PCI for STEACS.
Answers are grounded in this paper and cite their sources.
Guideline publication and discharge recommendations were associated with higher DAPT persistence; leaves open whether implementation strategies improve clinical outcomes.
OBJECTIVES: Guidelines recommending 12-month dual antiplatelet therapy (DAPT) in patients with ST-elevation acute coronary syndrome (STEACS) undergoing percutaneous coronary intervention (PCI) were published in year 2012. We aimed to describe the influence of guideline implementation on the trend in 12-month persistence with DAPT between 2010 and 2015 and to evaluate its relationship with DAPT duration regimens recommended at discharge from PCI hospitals. DESIGN: Observational study based on region-wide registry data linked to pharmacy billing data for DAPT follow-up. SETTING: All PCI hospitals (10) belonging to the acute myocardial infarction (AMI) code network in Catalonia (Spain). PARTICIPANTS: 10 711 STEACS patients undergoing PCI between 2010 and 2015 were followed up. PRIMARY AND SECONDARY OUTCOME MEASURES: Primary outcome was 12-month persistence with DAPT. Calendar year quarter, publication of guidelines, DAPT duration regimen recommended in the hospital discharge report, baseline patient characteristics and significant interactions were included in mixed-effects logistic regression based interrupted time-series models. RESULTS: The proportion of patients on-DAPT at 12 months increased from 58% (56-60) in 2010 to 73% (71-75) in 2015. The rate of 12-month persistence with DAPT significantly increased after the publication of clinical guidelines with a time lag of 1 year (OR=1.20; 95% CI 1.11 to 1.30). A higher risk profile, more extensive and complex coronary disease, use of drug-eluting stents (OR=1.90; 95% CI 1.50 to 2.40) and a 12-month DAPT regimen recommendation at discharge from the PCI hospital (OR=5.76; 95% CI 3.26 to 10.2) were associated with 12-month persistence. CONCLUSION: Persistence with 12-month DAPT has increased since publication of clinical guidelines. Even though most patients were discharged on DAPT, only 73% with potential indication were on-DAPT 12 months after PCI. A guideline-based recommendation at PCI hospital discharge was highly associated with full persistence with DAPT. Establishing evidence-based, common prescribing criteria across hospitals in the AMI-network would favour adherence and reduce variability.
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Ribera et al. (2019) studied this question.
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