Two-Year Clinical Outcomes According to Pre-PCI TIMI Flow Grade and Reperfusion Timing in Non-STEMI After Newer-Generation Drug-Eluting Stents Implantation

Yong Hoon Kim, Ae Young Her, Myung Ho Jeong, Byeong Keuk Kim, Sung Jin Hong, Seunghwan Kim, Chul Min Ahn, Jung Sun Kim, Young Guk Ko, Donghoon Choi, Myeong Ki Hong, Yangsoo Jang

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Abstract

The 2-year clinical outcomes according to pre-percutaneous coronary intervention (PCI) thrombolysis in myocardial infarction (TIMI) flow grade and reperfusion timing were investigated in patients with non-ST-segment elevation myocardial infarction (NSTEMI) who received newer-generation drug-eluting stents. A total of 7506 NSTEMI patients were divided into 2 groups: early (PCI ≤ 24 hours: n = 6398; pre-PCI TIMI 0/1 [n = 2729], pre-PCI TIMI 2/3 [n = 3669]) and delayed (PCI > 24 hours: n = 1108; pre-PCI TIMI 0/1 [n = 428], pre-PCI TIMI 2/3 [n = 680]) invasive groups. Major adverse cardiac events were defined as all-cause death, recurrent myocardial infarction, or any repeat revascularization. All-cause death (P = 0.005 and 0.009, respectively) and cardiac death (P =.003 and 0.046, respectively) were significantly higher in pre-PCI TIMI 0/1 patients than in pre-PCI TIMI 2/3 patients both in the early and delayed invasive groups. In pre-PCI TIMI 0/1 patients, all-cause death rate was significantly higher in the delayed group (P =.023). In pre-PCI TIMI 2/3 patients, the clinical end point was similar between the 2 groups. An early invasive strategy is preferred to a delayed invasive strategy in reducing all-cause death in patients with pre-PCI TIMI 0/1. However, in patients with pre-PCI TIMI 2/3, both treatment strategies are acceptable.

Original languageEnglish
JournalAngiology
DOIs
Publication statusAccepted/In press - 2021

Bibliographical note

Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research was supported by a fund (2016-ER6304-02) from the Research of Korea Centers for Disease Control and Prevention.

Publisher Copyright:
© The Author(s) 2021.

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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