Efficacy and Safety Outcomes of Short Duration Antiplatelet Therapy with Early Cessation of Aspirin Post Percutaneous Coronary Intervention: A Systematic Review and Meta-analysis

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Author(s): Firas R. AL-Obaidi*, Hayley A. Hutchings, Andy S.C. Yong, Laith Al-Rubaiy, Hasan Al-Farhan, Mohammed H. Al-Ali, Tahsin Al-Kinani, Mohammed Al-Myahi, Hussein Al-Kenzawi, Nazar Al-Sudani

Journal Name: Current Cardiology Reviews


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Abstract:

Background: The optimal duration of dual antiplatelet therapy is a matter of ongoing research. Clinical studies are assessing the optimal duration with the most favourable risk to benefit ratio. The efficacy of P2Y12 receptor inhibitors comparable to aspirin in preventing recurrent ischaemic events in patients with coronary artery diseases.

Objectives: To investigate the outcomes of short-duration dual antiplatelet therapy after PCI with early discontinuation of aspirin while maintaining patients on P2Y12 inhibitor through systematic review and meta-analysis of available literature.

Methods: We systematically searched PubMed, Cochrane Central Register of Controlled Trials (CENTRAL), and ClinicalTrials.gov. We included randomized controlled studies that measured clinical outcomes of efficacy (mortality and ischaemic events) and safety (bleeding) of short and standard-duration dual antiplatelet therapy. The protocol of this study was registered in the international prospective register of systematic reviews PROSPERO registry (CRD42020171468).

Results: Four randomized controlled trials were included; GLOBAL LEADERS, SMARTCHOICE, STOPDAPT-2, and TWILIGHT. The total number of patients was 29,089. The safety outcomes showed a significant reduction in major bleeding events with short-duration dual antiplatelet therapy; the risk ratio was 0.61 (95% CI 0.38-0.99; z=2,00, p=0.05). There was no difference between short and standard-duration dual antiplatelet therapy regarding efficacy outcomes (all- cause death, major adverse cardiovascular events, myocardial infarction, stroke, and stent thrombosis).

Conclusion: Short-duration dual antiplatelet therapy followed by P2Y12 inhibitor monotherapy after PCI is a feasible option and can be adopted, especially in patients with a high risk of bleeding.

Keywords: Percutaneous coronary intervention, coronary artery disease, dual antiplatelet therapy, short-duration DAPT, drugeluting stent, P2Y12 inhibitor monotherapy.

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Article Details

Published on: 25 January, 2021
(E-pub Ahead of Print)
DOI: 10.2174/1573403X17666210126104053
Price: $95

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