TỈ LỆ TỬ VONG Ở BỆNH NHÂN NHỒI MÁU CƠ TIM CẤP ST CHÊNH LÊN VỚI TỔN THƯƠNG NHIỀU NHÁNH MẠCH VÀNH ĐƯỢC TÁI TƯỚI MÁU KHÔNG HOÀN TOÀN

Abstract

Backgroud: Approximately 50% of patients with ST-elevation myocardial infarction (STEMI) undergoing coronary angiography and primary coronary intervention present with multivessel coronary artery disease. The prognosis for STEMI patients with multivessel lesions is known to be poorer than those with single-branch injury, often resulting in higher mortality and reinfarction rates. Objective: This study aimed to assess the mortality rate in patients with acute ST-elevation myocardial infarction undergoing incomplete revascularization of multiple coronary artery branches. Materials and methods: Conducted at Cho Ray Hospital from April 2022 to September 2022, this cross-sectional, prospective descriptive study included 105 patients with acute ST-elevation myocardial infarction who underwent primary percutaneous coronary revascularization. The study monitored patients longitudinally. Results: The study included 105 patients, with the left anterior descending (LAD) artery being the most frequently affected (45.7%), followed by the right coronary artery (RCA) at 41.9%. The left circumflex artery (LCx) and left main coronary artery (LMCA) were implicated in 11.3% and 0.9% of cases, respectively. Complete reperfusion occurred in 31.4% of patients, while 68.6% experienced incomplete reperfusion. The mortality rate in patients with incomplete reperfusion was 1.38% and 2.77% at 1 month and 3 months, respectively. However, the difference in mortality between the complete and incomplete reperfusion groups was not statistically significant. Conclusion: In patients with ST-elevation myocardial infarction and multivessel coronary artery disease undergoing incomplete coronary revascularization, the mortality rates at 1 month and 3 months were 1.38% and 2.77%, respectively. Notably, no significant difference in mortality was observed between the complete and incomplete reperfusion groups.