Evaluation of delay in Primary PCI in golden time and its relationship with major adverse cardiac events

Assareh, Ahmadreza; Jozaei, Maryam; Mombeini , Hoda; Akiash , Nehzat

Volume 79, Issue 10 (January 2022) Tehran Univ Med J 2022, 79(10): 764-772 | Back to browse issues page

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Assareh A, Jozaei M, Mombeini H, Akiash N. Evaluation of delay in Primary PCI in golden time and its relationship with major adverse cardiac events. Tehran Univ Med J 2022; 79 (10) :764-772
URL: http://tumj.tums.ac.ir/article-1-11467-en.html

Evaluation of delay in Primary PCI in golden time and its relationship with major adverse cardiac events

Ahmadreza Assareh¹

, Maryam Jozaei²

, Hoda Mombeini¹

, Nehzat Akiash ^*

1- Department of Cardiology, Atherosclerosis Research Center, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
2- Department of Cardiology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
3- Department of Cardiology, Atherosclerosis Research Center, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. , akiash.n@gmail.com

Abstract: (1980 Views)

Background: In patients with ST-segment elevation myocardial infarction (STEMI), Primary percutaneous coronary intervention (PCI) is the preferred reperfusion therapy. Timely primary PCI is essential in improving the clinical outcomes of these patients. The aim of this study was to evaluate the factors affecting balloon delay in STEMI treated patients by primary PCI and its relationship with major adverse cardiac events (MACE).
Methods: This prospective observational study was conducted on 143 cases of STEMI patients, who had the inclusion criteria and were treated by primary PCI, after obtaining written consent in Imam Khomeini hospital in Ahvaz, between May 2019 to May 2020. All-time components from symptom onset to PCI treatment include symptom-to-balloon time or ischemic time, symptom-to-door time and door-to-balloon time calculated. The incidence of major adverse cardiovascular events (MACE) including decompensated heart failure (DHF), acute coronary syndrome (ACS), sudden cardiac death (SCD) and cerebrovascular accident (CVA) was evaluated during 12 months follow up after primary PCI. left ventricular ejection fraction (LVEF) changes were evaluated 3 months after primary PCI.

Results: The median symptom-to-door time was 200.5 minutes (IQR: 90-438.75 min), the median ischemic time was 406 minutes (IQR: 231-671 min), and most patients had an ischemic time ≥120 minutes (92.4%) and door-to-device time ≥90 minutes (64.3%). The most common delay for treatment was in the symptom-to-door time (76.9%) and then the decision for primary PCI to transfer to the cat lab (17.5%). Overall, 59 (41.3%) of the patients experienced MACE during 1-year of follow-up, including ACS (13.3%), DHF (22.4%), cardiac death (9.8%) and CVA (2.1%). The patients age (OR: 0.96, P=0.020), LVEF changes (OR: 1.123, P=0.005) and STEMI type (OR: 0.705; P=0.039) predicted in-hospital MACE, while the symptom-to-balloon time (P=0.607) and door-to-balloon time (P=0.347) were not associated with MACE.
Conclusion: None of the time intervals were associated with the occurrence of MACE in one-year follow-up, and most STEMI patients were admitted to the hospital with a long delay. Therefore, efforts to shorten the time of hospitalization admission can help improve the MACE in STEMI patients under primary PCI in our medical centers.

Keywords: cardiovascular complication, percutaneous coronary intervention, ST-segment elevation myocardial infarction, time-to-treatment.

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Type of Study: Original Article |