Abstract
Background: The association between obesity, non-HDL cholesterol, and clinical outcomes in subjects with acute myocardial infarction (AMI) undergoing percutaneous coronary intervention (PCI) is incompletely understood. The aim of this investigation was to explore the association between body mass index (BMI), non-high density lipoprotein (non-HDL) cholesterol, and long-term follow-up prognosis.Methods: This present study used data obtained by the Cardiovascular Center of Beijing Friendship Hospital Database Bank. We identified 3,780 consecutive AMI populations aged 25–93 years from 2013 to 2020. Participants were categorized as normal weight (18.5 ≤ BMI <22.9 kg/m2), overweight (23.0 ≤ BMI <24.9 kg/m2), obese class I (25.0 ≤ BMI <29.9 kg/m2), and obese class II (BMI ≥ 30.0 kg/m2). The endpoint of interest was cardiovascular (CV) death, all-cause death, myocardial infarction (MI), stroke, unplanned revascularization, and cardiac hospitalization.Results:Participants with higher BMI were younger and more likely to be males compared with lower BMI groups. Elevated non-HDL cholesterol was present in 8.7, 11.0, 24.3, and 5.9% of the normal, overweight, obese class I, and obese class II groups, respectively. After multivariate adjustment, compared to normal-weight participants with decreased non-HDL cholesterol (reference group), obese participants with and without elevated non-HDL cholesterol had a lower risk of mortality (with obese class I and elevated non-HDL cholesterol: hazard ratio [HR] 0.44, 95% confidence interval [CI] 0.28–0.67; with obese class I and decreased non-HDL cholesterol: HR, 0.68, 95% CI, 0.47–0.98; with obese class II and elevated non-HDL cholesterol: HR, 0.42, 95% CI, 0.20–0.87; with obese class II and decreased non-HDL cholesterol: HR, 0.35, 95% CI, 0.16–0.72).Conclusion: In AMI participants performing with PCI, obesity had a better long-term prognosis which probably unaffected by the level of non-HDL cholesterol.
Highlights
Lipid-lowing therapy plays a pivotal role in reducing mortality of acute myocardial infarction (AMI)
After multivariate adjustment, compared to normal-weight participants with decreased non-highdensity lipoprotein (HDL) cholesterol, obese participants with and without elevated non-HDL cholesterol had a lower risk of mortality
In AMI participants performing with percutaneous coronary intervention (PCI), obesity had a better long-term prognosis which probably unaffected by the level of non-HDL cholesterol
Summary
Lipid-lowing therapy plays a pivotal role in reducing mortality of acute myocardial infarction (AMI). The level of low-density lipoprotein cholesterol (LDL-C) is reduced, the risk of cardiovascular still remained. A study enrolled 1,843 subjects demonstrated that lower non-HDL cholesterol levels could estimate lower recurrence rate of AMI in old patients with myocardial infarction [2]. Increasing evidence showed that lower cardiovascular risk was observed in overweight and obese patients when compared to normal body mass index (BMI) subjects [4]. The association between obesity, non-HDL cholesterol, and clinical outcomes in subjects with acute myocardial infarction (AMI) undergoing percutaneous coronary intervention (PCI) is incompletely understood. The aim of this investigation was to explore the association between body mass index (BMI), non-high density lipoprotein (non-HDL) cholesterol, and long-term follow-up prognosis
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