Abstract:

Aim: was to evaluate the safety and efficacy of delayed endovascular treatment without stent implantation in ST-elevation myocardial infarction (STEMI) caused by massive thrombotic load and ectasia of infarct-related coronary artery.

Material and methods: out of 4263 primary percutaneous coronary interventions (PCI) performed for STEMI for the period from January 2016 to September 2021, retrospective analysis included data of 21 patients with ectasia of infarct-related coronary artery and massive thrombotic load (TTG ? 3).

Results: method of delayed endovascular treatment, without stent implantation, in STEMI caused by massive thrombotic load and ectasia of infarct-related coronary artery, allowed to significantly improve parameters of epicardial coronary blood flow according to  TIMI and CFTC scales in 71% and 67% of examined patients (p <0,001, p=0,001); increase myocardial perfusion according to MBG in 62% of patients (p=0,001); reduce the severity of thrombotic load according to TTG scale in 71% of the subjects (p=0,001).

Conclusion: in patients with ST-elevation myocardial infarction caused by massive thrombotic load and ectasia of infarct-related coronary artery, the strategy of delayed endovascular treatment with-out stent implantation is safe and effective at the hospital stage.