• Serhat Günlü and Muhammed Demir.
• Cardiologist, Department of Cardiology, Dağkapı State Hospital, Diyarbakır, Turkey. Electronic address: serhat8086@hotmail.com.
• Am J Emerg Med. 2022 Aug 1; 58: 52-56.

BackgroundThe effectiveness and safety of administration of ticagrelor simultaneously with fibrinolytic agents in STEMI patients remain unclear.ObjectiveThis study aimed to investigate the effectiveness and safety of tenecteplase against alteplase in patients with STEMI receiving a loading dose of ticagrelor.MethodsWe conducted a cross-sectional study in patients with STEMI who were reperfused with fibrinolytic. The study included 150 patients (ages 18 to 75 years) administered tenecteplase or alteplase and concomitantly given ticagrelor [180 mg loading dose, 90 mg bid (bis in die)]. Patients who had active major bleeding, died, and who were decided to have a CABG surgery as a result of coronary angiography were excluded. Patients who underwent facilitated-PCI with fibrinolysis continued to receive ticagrelor without switching to clopidogrel. The MACE (in-hospital death, TIMI flow grade, major bleeding) rates of the two groups were compared.ResultsThe study consisted of 150 patients, comprising 99 (66%) men and 51 women (34%) with a mean age of 60,33 ± 13,83 years. Patients were divided into two groups according to the thrombolytic therapy: alteplase (n = 60) and tenecteplase (n = 90). The major adverse cardiac events (MACE) (45% vs 22.2%), bleeding (11.7% vs 2.2%), hypertension (51.7% vs 30%), atrial fibrillation (26.7% vs 12.2%), left ventricular hypertrophy (26.7% vs 10%), CRP (p < 0.001) were significantly higher and the recanalization (66.7% vs 85.4%), hematocrit (p = 0.03) were significantly lower in the alteplase group compared to the tenecteplase group. No significant differences were found between the two groups about in-hospital mortality (p = 0.151). Kaplan Meier analysis was performed in terms of MACE (TIMI flow grade 1, major bleeding, in-hospital mortality) rates during the follow-up period (Log-rank test, p = 0.032). Patients who received tenecteplase treatment had a lower MACE, according to a Kaplan-Meier analysis.ConclusionsThe administration of tenecteplase in STEMI patients who received a loading dose with ticagrelor resulted in a significant reduction in MACE compared to alteplase. Larger multi-center studies are warranted to investigate the effect of tenecteplase treatment on clinical results.Copyright © 2022 Elsevier Inc. All rights reserved.

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