Abstract
BackgroundIn recent years, several studies have demonstrated that stress hyperglycemia is significantly associated with poor prognosis in patients diagnosed with acute coronary syndrome (ACS). In the present study, we aimed to investigate the potential associations between various markers of stress hyperglycemia, such as admission blood glucose (ABG), fasting blood sugar (FBS), and stress hyperglycemia ratio (SHR) with different definitions, and the occurrence of adverse cardiovascular events in patients diagnosed with ST-elevation myocardial infarction (STEMI) who have undergone percutaneous coronary intervention (PCI).MethodsOur study enrolled a total of 1099 patients diagnosed with STEMI who underwent PCI from 2016 to 2021. The primary outcomes of this study were in-hospital death and all-cause mortality.ResultsStress hyperglycemia was associated with a higher incidence of in-hospital death (ABG OR: 1.27 95% CI 1.19–1.36; FBS OR: 1.25 95% CI 1.16–1.35; SHR1 OR: 1.61 95% CI 1.21–2.14; SHR2 OR: 1.57, 95%CI 1.22–2.01; SHR3 OR: 1.59, 95%CI 1.24–2.05) and all-cause mortality (ABG HR: 1.10, 95% CI 1.07–1.14; FBS HR: 1.12, 95 CI 1.07–1.17; SHR1 HR: 1.19 95% CI 1.03–1.39; SHR2 HR: 1.28, 95%CI 1.14–1.44; SHR3 HR: 1.29, 95%CI 1.14–1.45) after adjusting for ischemic time, age, gender, BMI, hypertension, hyperlipidemia, diabetes mellitus (DM), current smoking history, chronic kidney disease (CKD), previous history of coronary artery disease (CAD), atrial fibrillation (AF), heart failure (HF), stroke, cancer, culprit vessel, multi-vessel disease. These associations exhibited a non-linear, J-shaped pattern, wherein the risk significantly increased when the ABG and FBS levels exceeded 5mmol/L. Moreover, the inflection point for SHR was estimated to be 1.2.ConclusionsStress hyperglycemia was significantly associated with an increased risk of in-hospital death and all-cause mortality in STEMI patients treated with PCI. Stress hyperglycemia should be considered a high-risk prognostic marker in all STEMI patients, regardless of with or without diabetes.
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