4.3 Article

Ticagrelor Utilization in Patients With Non-ST Elevation Acute Coronary Syndromes in Romania

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AMERICAN JOURNAL OF THERAPEUTICS
卷 28, 期 3, 页码 E271-E283

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LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MJT.0000000000001358

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non-ST elevation acute coronary syndrome; dual antiplatelet therapy; P2Y12 receptor inhibitor; ticagrelor; clopidogrel; prasugrel; Romania; registry

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In Romania, invasively managed NSTE-ACS patients commonly receive DAPT, P2Y12 inhibitor pretreatment, and single vessel PCI, while the introduction of full reimbursement for ticagrelor since November 2017 has doubled its usage rate.
BACKGROUND: Dual antiplatelet therapy (DAPT) represents a major tool of non-ST elevation acute coronary syndrome (NSTE-ACS) management. The real-world usage of potent P2Y12 inhibitors within DAPT in middle-income countries is poorly described. STUDY QUESTION: To assess the factors that influence P2Y12 inhibitor choice at discharge in invasively managed NSTE-ACS patients, without an indication for oral anticoagulation, treated across Romania. STUDY DESIGN: The Romanian National NSTE-ACS Registry allows the consecutive enrollment of NSTE-ACS patients admitted in 11 (of 24) interventional centers reimbursed from public funds. MEASURES AND OUTCOMES: NSTE-ACS patients that received DAPT at discharge were identified. Deceased patients, those with an indication for oral anticoagulation or not receiving DAPT at discharge, were excluded. P2Y12 inhibitor choice was analyzed based on demographic, clinical, and invasive management characteristics. RESULTS: One thousand fifty (63 10 years, 73% male) of 1418 patients enrolled between 2016 and 2019 were analyzed. The P2Y12 inhibitor pretreatment rate was 90%. Obstructive coronary artery disease was found in 95.3% of patients. 84.6% underwent percutaneous coronary interventions (PCIs). Single vessel PCI was reported in 84% of PCI patients. The clopidogrel usage rate was 49.6%, ticagrelor 50.0%, and prasugrel 0.4%. Overall, higher ticagrelor usage was associated with: non-ST elevation myocardial infarction (P0.035), age below 65 (P< 0.001), prior treatment with ticagrelor (P< 0.001), PCI during admission (P< 0.001), and its full 12-month reimbursement (since November 2017). Reimbursement increased the use of ticagrelor from 23.7% in 2016-2017 to 56.9% in 2018-2019 (P< 0.001). In PCI patients, ticagrelor use was associated with PCI with stenting (P0.016) and multivessel PCI (0.013). CONCLUSIONS: DAPT, P2Y12 inhibitor pretreatment, and single vessel PCI are the standards of care in invasively managed NSTE-ACS patients in Romania. Besides the clinical and invasive characteristics that favor its use, the full reimbursement of ticagrelor introduced in November 2017 doubled its yearly usage.

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