The Journal of Practical Medicine ›› 2024, Vol. 40 ›› Issue (15): 2142-2147.doi: 10.3969/j.issn.1006-5725.2024.15.017

• Drugs and Clinic Practice • Previous Articles     Next Articles

Effect of PCSK9 inhibitors on inflammation levels and ventricular remodeling after PCI in ST⁃elevation acute myocardial infarction

Weifeng ZHANG,Hailong MA(),Jinling. ZHANG   

  1. Emergency Center of Qingdao Central Hospitalof Rehabilitation University (Qingdao Central Hospital),Qingdao 266043,China
  • Received:2024-02-21 Online:2024-08-10 Published:2024-07-30
  • Contact: Hailong MA E-mail:116659373@qq.com

Abstract:

Objective To investigate the effect of PCSK9 inhibitors on the level of inflammation and ventricular remodeling after PCI in ST-elevation acute myocardial infarction. Methods A total of 220 patients with acute ST-segment elevation myocardial infarction who received percutaneous coronary artery intervention in the Emergency Center of Qingdao Central Hospital from April 2021 to July 2023 were randomly divided into two groups, 110 patients in the control group were treated with conventional treatment, and 110 patients in the PCSK9i group were treated with PCSK9 inhibitors on the basis of conventional treatment. Compared before and after treatment left ventricular endsystolic diameter (LVESD) and left ventricular ejection fraction (LVEF) and triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), total cholesterol (TC). C-reactive protein (CRP), interleukin 6 (IL-6), tumor necrosis factor α (TNF-α). The incidence of major adverse cardiovascular events (MACE) (including myocardial infarction, recurrence of heart failure, malignant arrhythmia, and cardiovascular death) was compared. Results After 6 months of treatment and follow-up, LVEDD(mm), LVESD(mm), TG(mmol/L), TC(mmol/L), LDL-C(mmol/L), CRP(mg/L), TNF-α(pg/mL) and JL-6(ng/mL) after PCSK9i treatment were significantly lower than those in the control group, and the difference was statistically significant [(51.32 ± 5.84) vs. (54.43 ± 2.91);(34.88 ± 2.69) vs. (36.96 ± 3.19);(1.41 ± 0.61) vs. (2.13 ± 1.26);(3.53 ± 1.06) vs. (3.98 ± 0.93);(0.95 ± 0.36) vs. (1.79 ± 0.27);(5.18 ± 1.92) vs. (7.69 ± 2.61);(36.43 ± 9.41) vs. (57.79 ± 14.43);(17.4 ± 0.68) vs. (28.55 ± 8.92),All P < 0.01], and the LVEF(%)and HDL-C(mmol/L)in the PCSK9i group were higher than patients in the control group, and the difference was statistically significant [(46.69 ± 3.63) vs. (41.34 ± 3.42),P < 0.05,(1.35 ± 0.29) vs. (1.29 ± 0.27),P < 0.01]. The incidence of MACE events in the PCSK9i group was obviously lower than patients in the control group (5.2% vs. 13.6%, P < 0.05). Conclusion The application of PCSK9 inhibitors after PCI in patients with ST-segment elevation acute myocardial infarction can better reduce blood lipids, stabilize coronary plaque, reduce local and circulatory inflammatory responses after myocardial infarction, improve ventricular adverse remodeling after myocardial infarction, inhibit ventricular remodeling, and reduce the total incidence of MACE, worthing promoting use.

Key words: ST-elevation acute myocardial infarction, cardiovascular events, PCSK9 inhibitors, inflammatory factors, ventricular remodeling

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