Following multivariate Cox regression analysis, we utilized Lasso regression analysis to further screen lncRNAs, and when lambda equaled 0.02 (Figure 2C), we obtained three lncRNAs for the best model (Figure 2D), with small nucleolar RNA host gene 1 (SNHG1) and myocardial infarction associated transcript (MIAT) serving as the final independent risk lncRNAs (Figure 2E). Here, SNHG1 is linked to infarction.