AMI seriously damages health, with high morbidity and mortality[22]. Recently, the popularity of coronary intervention technology have enabled patients to receive timely and efficient treatment, but complications related with AMI have become the main factors of high mortality and high medical costs after successful revascularization[23, 24]. Therefore, reducing the complications related with AMI can effectively reduce the mortality and improve the prognosis of AMI.
This review comprehensively summarizes the evidence on the effects of SGLT2i on cardiovascular outcomes in patients with AMI. In a review of nine clinical trials, SGLT2i were found to be effective in reducing the risk of arrhythmia, Cardiovascular-death, and heart failure. In addition, the use of SGLT2i was similarly associated with all-cause mortality and myocardial infarction recurrence. In patients with AMI, no additional increase in total adverse effects was observed with SGLT2i compared with placebo, where the risk of kidney injury was lower than in the control group and the risk of genital infection was relatively higher.
In 2017, TM Lee[25] applied SGLT2i to rat ischemia-reperfusion models and found that SGLT2i could regulate the phenotype of macrophages in rats after infarction through RONS/Stat3-dependent pathways to reduce cardiac fibrosis and thus reduce myocardial infarction size in rats. Subsequently, the study was conducted using a pig model of myocardial ischemia, and it was found that SGLT2i could reduce oxidative stress response and increase the expression of mitochondrial antioxidant superoxide dismutase 2, thereby improving myocardial function and perfusion in ischemic areas, and thus improving the long-term prognosis of AMI. Subsequently, Liu[26] applied SGLT2i to preclinical models and clinical treatment analysis by analyzing pharmacological mechanisms of drugs, It was found that SGLT2i can improve the progression of atherosclerosis by inhibiting vascular inflammation, reducing oxidative stress, reversing endothelial dysfunction, reducing foam cell formation, preventing platelet activation and other mechanisms, thus reducing the occurrence of complications related with AMI ,and improving the prognosis of myocardial infarction. Therefore, the drug can be applied clinically. The results also confirmed that SGLT2i could reduce the risk of cardiovascular related death and the occurrence of heart failure in patients with AMI. The results of this study were consistent with that of this study, indicating that SGLT2i could effectively improve the prognosis of patients with AMI.
Our research sheds light on the safety considerations of SGLT2 in the treatment of AMI patients. In comparison to conventional treatment methods, our findings indicate that SGLT2i usage can effectively lower the risk of kidney injury. However, it is important to note that there is a relatively increased risk of genital infections associated with SGLT2i use. On the other hand, SGLT2i treatments demonstrate a relatively safe profile in terms of blood glucose levels, blood pressure, urinary tract infections, and diabetic ketoacidosis. It has been reported in the literature that SGLT2i have a significant renal protection effect on patients with diabetic nephropathy or non-diabetic nephropathy[27], which can reduce blood glucose and blood pressure levels by inhibiting the renal tubules' reabsorption of glucose and Na + and the over-activation of RAAS system[28].SGLT2i can also reduce proteinuria, inhibit the overactivation of sympathetic nerve, reduce oxidative stress and inflammatory response, and protect kidney function[29–31].After comparing the use of SGLT2i in 34,322 patients with type 2 diabetes, Zelniker[32] found that the incidence of heart failure was reduced and the progression of kidney disease was delayed, and found that SGLT2i could improve the kidney function of patients. Studies have also found that SGLT2i increase the risk of genital infection, and careful literature analysis has found that SGLT2i reduces the reabsorption of glucose /Na + into the proximal tubules, resulting in the formation of a continuously high urine glucose environment, and thus increases the risk of genital fungal infection[33].
However, there are some limitations to our study. First, there were differences in baseline characteristics such as age, type of reference, and duration of follow-up, which may have contributed to heterogeneity. Second, clinical trials of SGLT2i did not evaluate the validity of all relevant outcomes in patients with AMI, and even after contacting the authors of included trials, we were unable to obtain sufficient data to evaluate unreported outcomes or perform subgroup analyses. And due to the limited number of studies available, the strength of evidence for beneficial renal and cardiovascular outcomes in patients with AMI may not be well reflected .Finally, there are relatively few events where the use of different classes of SGLT2i and different treatment cycles could lead to certain safety outcomes.
Overall, the meta-analysis was able to demonstrate the cardiovascular benefits of SGLT2i in patients with AMI. In order to draw reliable conclusions about these efficacy outcomes, further larger trials are needed to evaluate the effect of SGLT2i in a sufficient number of patients with AMI.