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Background The triglyceride-glucose (TyG) index and the stress hyperglycaemia ratio (SHR) are both positively associated with cardiovascular (CV) risk in patients with coronary heart disease. However, the prognostic value of these two biomarkers has not been well elucidated in patients with chronic total occlusion (CTO). Therefore, this study aims to evaluate the association of the TyG index and the SHR with long-term prognosis in patients with CTO. Methods This prospective cohort study consecutively included 2740 angina patients with CTO from January 2017 to December 2018 at Fuwai Hospital. The outcomes are a composite of CV death and target vessel myocardial infarction (TVMI) and major CV cerebrovascular adverse events (MACCEs, including all-cause death, nonfatal MI, ischaemia-driven target vessel revascularization, and stroke). The association between biomarkers and prognosis was analysed by multivariable Cox proportional hazard models, and the predictive value was determined by a receiver-operating characteristic (ROC) curve. Results During the follow-up with a median time of 3 years, 179 (6.5%) cases of MACCEs and 47 (1.7%) cases of CV death or TVMI were recorded. Patients with a high TyG index (> 9.10) and a high SHR (> 0.87) showed a significantly increased risk of CV death/TVMI (TyG index: HR 4.23, 95% CI 1.58–11.37; SHR: HR 5.14, 95% CI 1.89–13.98) and MACCEs (TyG index: HR 2.47, 95% CI 1.54–3.97; SHR: HR 2.91, 95% CI 1.84–4.60) compared with those with a low Tyg index and a low SHR (TyG < 8.56, SHR < 0.76). The area under the curve (AUC) values were 0.623 (TyG index) and 0.589 (SHR) for CV death/TVMI and 0.659 (TyG index) and 0.624 (SHR) for MACCEs. Furthermore, patients with both a high TyG index and a high SHR showed the highest risk of clinical outcomes among patients with different levels of these two biomarkers, and the AUC for the TyG-SHR combination was larger than the TyG index alone in predicting MACCE risk. Conclusions The study revealed that a high TyG index and a high SHR were significantly correlated with poor prognosis in patients with CTO and suggested that these two biomarkers are reliable in predicting long-term prognosis in CTO patients.

Background Recent publications reported a paradoxical finding that there was an inverse association between the number of standard modifiable risk factors (SMuRFs; smoking, hypertension, diabetes, and hyperlipidemia) and mortality in patients with myocardial infarction. However, the current evidence is only limited to those highly developed countries with advanced medical management systems. Methods The China Acute Myocardial Infarction registry is a prospective observational study including patients with acute myocardial infarction from three-level hospitals across 31 administrative regions throughout mainland China. A total of 16,228 patients with first-presentation ST-elevation myocardial infarction (STEMI) admitted to hospitals from January 2013 to September 2014 were enrolled in the current analysis. Cox proportional hazard models adjusting for baseline characteristics, clinical profiles at presentation, and in-hospital treatments were used to assess the association of the number of SMuRFs with all-cause mortality at 30 days after STEMI presentation. Results A total of 1918 (11.8%), 11,503 (70.9%), and 2807 (17.3%) patients had 0, 1–2, and 3–4 SMuRFs at presentation, respectively. Patients with fewer SMuRFs were older and more likely to be females, experienced longer pre-hospital delays, and were less likely to receive primary percutaneous coronary intervention and evidence-based medications. Compared with those without any SMuRF, patients with 1–2 SMuRFs and 3–4 SMuRFs were associated with an HR of 0.74 (95% CI, 0.63–0.87) and 0.63 (0.51–0.77) for all-cause mortality up to 30 days in the unadjusted model ( P trend < 0.0001). However, after multivariate adjustment, the number of SMuRFs was positively associated with increased mortality risk (HR for 1–2 SMuRFs, 1.15 [0.95–1.39]; HR for 3–4 SMuRFs, 1.31 [1.02–1.68]; P trend = 0.03), and the association was only significant among patients admitted to hospitals beyond 12 h from onset (HR for 1–2 SMuRFs, 1.39 [1.03–1.87]; HR for 3–4 SMuRFs, 2.06 [1.41–3.01]) but not their counterparts ( P interaction = 0.01). Conclusions The increased crude mortality risk among patients without SMuRFs is explained by confounding factors related to their poor risk profiles (old age, longer pre-hospital delays, and poor clinical management). After multivariate adjustment, a higher risk-factor burden was associated with poor prognosis among patients with STEMI.

Background Prediabetes, an intermediate metabolic state preceding diabetes, independently accelerates cardiovascular pathology through dysglycemia-driven mechanisms. This study evaluates the heterogeneous cardiovascular risk stratification by directly comparing two major diagnostic criteria (ADA vs. WHO/IEC) and assesses the causal cardiovascular consequences of prediabetes, an area requiring further elucidation. Methods After excluding participants with baseline cardiovascular disease, the remaining cohort with complete glycemic and relevant assessment data (n = 278,697) was stratified into normoglycemia, prediabetes, and type 2 diabetes mellitus (T2DM). Prediabetes was subsequently classified according to both ADA (fasting plasma glucose, FPG 5.6–6.9 mmol/L and/or glycosylated hemoglobin A1c, HbA1c 5.7–6.4%) and WHO/IEC (FPG 6.1–6.9 mmol/L and/or HbA1c 6.0–6.4%) criteria. Associations with incident cardiovascular disease (CVD), mortality, and cardiac remodeling (via cardiac magnetic resonance, CMR) were assessed using multivariable-adjusted models. Mendelian randomization (MR) tested causality of prediabetes on outcomes. All observational analyses were adjusted for key demographic, lifestyle, and clinical covariates. Results Over 13.5 years, prediabetes—irrespective of criteria—elevated CVD risk (ADA: HR = 1.14, 95% CI 1.12–1.16; WHO/IEC: HR = 1.23, 95% CI 1.19–1.27), with stronger mortality associations in WHO/IEC-defined individuals. MR analyses confirmed that prediabetes was causally associated with increased CVD (OR 1.01, 95% CI 1.01–1.02), coronary heart disease (OR 1.09, 95% CI 1.02–1.17), myocardial infarction (OR 1.12, 95% CI 1.06–1.19), stroke (OR 1.06, 95% CI 1.02–1.10), and primary hypertension (OR 1.01, 95% CI 1.01–1.02) risks. In an exploratory CMR substudy (n = 2512), early concentric left ventricular remodeling was suggested, particularly under WHO/IEC criteria. Risks were consistently observed across genetic susceptibility strata, though the lack of significant interaction warrants cautious interpretation and further investigation into potential effect modifications. Conclusion These findings highlight the differential prognostic utility of ADA and WHO/IEC criteria for cardiovascular risk stratification in prediabetes. Graphical Abstract

Background/ObjectivesTo date, evidence regarding the protective roles of the Mediterranean-Dietary Approaches to Stop Hypertension Intervention for Neurodegenerative Delay (MIND) diet in patients with type 2 diabetes mellitus (T2DM) is scarce. This study aims to estimate the impact of adhering to the MIND diet on the mortality in patients with and without T2DM.Subjects/MethodsIn this cohort study, 6887 participants (1021 patients with T2DM) from the NHANES dataset were analyzed. The exposure is the MIND diet adherence. The primary outcomes are all-cause and cardiovascular (CV) deaths.ResultsWe documented 1087 all-cause deaths consisting of 377 CV deaths during the follow-up (median time of 10 years). Among participants with T2DM, those with a high MIND score (> 8.0, range of MIND score: 4.5–13) had a significantly lower risk of all-cause death (hazard ratio [HR] 0.75, 95% confidence interval [CI]: 0.59, 0.96, P = 0.021) and CV death (HR 0.50, 95% CI: 0.29, 0.87, P = 0.014) compared to those with a low MIND score (≤ 8.0). In participants without T2DM, a high MIND score was associated with a significant decrease in the risk of all-cause death (HR = 0.83, 95% CI: 0.70, 0.99, P < 0.001), but the association with CV death risk was not statistically significant.ConclusionThis study uncovered significant associations between the MIND diet and decreased risk of all-cause and CV death in patients with T2DM. The findings highlight the potential benefits of following the MIND diet in managing and enhancing the outcomes of individuals with T2DM.

High residual inflammatory risk (hs-CRP≥2mg/L) predicts worse prognosis and increased ischemic risk following percutaneous coronary intervention (PCI). The optimal duration of dual antiplatelet therapy (DAPT) and its risk-benefit profile in post-PCI patients with high residual inflammatory risk remain unclear. Patients undergoing PCI with high residual inflammatory risk at Fuwai Hospital were consecutively enrolled. Patients were stratified into two groups based on DAPT duration: prolonged (>12 months) and conventional (≤12 months) groups. The primary outcome was a composite endpoint of all-cause death, myocardial infarction, definite or probable stent thrombosis, or stroke at 3 years. The key safety outcome was the 3-year rate of Bleeding Academic Research Consortium 2, 3, or 5 bleeding. Among post-PCI patients with high residual inflammatory risk, 2440 individuals (69.5%) continued DAPT beyond 12 months. After three years of follow-up, prolonged DAPT was associated with a significantly lower risk of the primary outcome (1.5% vs. 4.2%; adjusted hazard ratio [HR]: 0.347, 95% CI: 0.224-0.539). Similar benefits were observed for net adverse clinical events (1.4% vs. 4.1%; adjusted HR: 0.338, 95% CI: 0.216-0.53) and for the composite endpoint of all-cause death or myocardial infarction (0.6% vs. 3.1%; adjusted HR: 0.182, 95% CI: 0.097-0.341). Notably, the key safety endpoint did not differ significantly between the two DAPT durations during follow-up (1.0% vs. 1.2%; adjusted HR: 0.793, 95% CI: 0.401-1.57). In patients who underwent PCI with high residual inflammatory risk, prolonged DAPT improved clinical outcomes by mitigating ischemic risk without increasing clinically significant bleeding.

ObjectivesThe risk of adverse events and prognostic factors are changing in different time phases after acute myocardial infarction (AMI). The incidence of adverse events is considerable in the early period after AMI hospitalisation. Therefore, dynamic risk prediction is needed to guide postdischarge management of AMI. This study aimed to develop a dynamic risk prediction instrument for patients following AMI.DesignA retrospective analysis of a prospective cohort.Setting108 hospitals in China.ParticipantsA total of 23 887 patients after AMI in the China Acute Myocardial Infarction Registry were included in this analysis.Primary outcome measuresAll-cause mortality.ResultsIn multivariable analyses, age, prior stroke, heart rate, Killip class, left ventricular ejection fraction (LVEF), in-hospital percutaneous coronary intervention (PCI), recurrent myocardial ischaemia, recurrent myocardial infarction, heart failure (HF) during hospitalisation, antiplatelet therapy and statins at discharge were independently associated with 30-day mortality. Variables related to mortality between 30 days and 2 years included age, prior renal dysfunction, history of HF, AMI classification, heart rate, Killip class, haemoglobin, LVEF, in-hospital PCI, HF during hospitalisation, HF worsening within 30 days after discharge, antiplatelet therapy, β blocker and statin use within 30 days after discharge. The inclusion of adverse events and medications significantly improved the predictive performance of models without these indexes (likelihood ratio test p<0.0001). These two sets of predictors were used to establish dynamic prognostic nomograms for predicting mortality in patients with AMI. The C indexes of 30-day and 2-year prognostic nomograms were 0.85 (95% CI 0.83–0.88) and 0.83 (95% CI 0.81–0.84) in derivation cohort, and 0.79 (95% CI 0.71–0.86) and 0.81 (95% CI 0.79–0.84) in validation cohort, with satisfactory calibration.ConclusionsWe established dynamic risk prediction models incorporating adverse event and medications. The nomograms may be useful instruments to help prospective risk assessment and management of AMI.Trial registration numberNCT01874691.

Only a few randomized trials have analyzed the clinical outcomes of elderly ST-segment elevation myocardial infarction (STEMI) patients (≥ 75 years old). Therefore, the best reperfusion strategy has not been well established. An observational study focused on clinical outcomes was performed in this population. Based on the national registry on STEMI patients, the in-hospital outcomes of elderly patients with different reperfusion strategies were compared. The primary endpoint was defined as death. Secondary endpoints included recurrent myocardial infarction, ischemia driven revascularization, myocardial infarction related complications, and major bleeding. Multivariable regression analysis was performed to adjust for the baseline disparities between the groups. Patients who had primary percutaneous coronary intervention (PCI) or fibrinolysis were relatively younger. They came to hospital earlier, and had lower risk of death compared with patients who had no reperfusion. The guideline recommended medications were more frequently used in patients with primary PCI during the hospitalization and at discharge. The rates of death were 7.7%, 15.0%, and 19.9% respectively, with primary PCI, fibrinolysis, and no reperfusion (P < 0.001). Patients having primary PCI also had lower rates of heart failure, mechanical complications, and cardiac arrest compared with fibrinolysis and no reperfusion (P < 0.05). The rates of hemorrhage stroke (0.3%, 0.6%, and 0.1%) and other major bleeding (3.0%, 5.0%, and 3.1%) were similar in the primary PCI, fibrinolysis, and no reperfusion group (P > 0.05). In the multivariable regression analysis, primary PCI outweighs no reperfusion in predicting the in-hospital death in patients ≥ 75 years old. However, fibrinolysis does not. Early reperfusion, especially primary PCI was safe and effective with absolute reduction of mortality compared with no reperfusion. However, certain randomized trials were encouraged to support the conclusion.

Background Prediabetes is common and associated with poor prognosis in patients with acute coronary syndrome and those undergoing revascularization. However, the impact of prediabetes on prognosis in patients with coronary intermediate lesions remains unclear. The objective of the current study is to explore the impact of prediabetes and compare the prognostic value of the different definitions of prediabetes in patients with coronary intermediate lesions. Methods A total of 1532 patients attending Fuwai hospital (Beijing, China), with intermediate angiographic coronary lesions, not undergoing revascularization, were followed-up from 2013 to 2021. Patients were classified as normal glucose tolerance (NGT), prediabetes and diabetes according to various definitions based on HbA1c or admission fasting plasma glucose (FPG). The primary endpoint was defined as major adverse cardiovascular events (MACE), the composite endpoint of all-cause death, non-fatal myocardial infarction and repeated revascularization therapy. Multivariate cox regression model was used to explore the association between categories of abnormal glucose category and MACE risk. Results The proportion of patients defined as prediabetes ranged from 3.92% to 47.06% depending on the definition used. A total of 197 MACE occurred during a median follow-up time of 6.1 years. Multivariate cox analysis showed that prediabetes according to the International Expert Committee (IEC) guideline (6.0 ≤ HbA1c < 6.5%) was associated with increased risk of MACE compared with NGT (hazard ratio [HR]: 1.705, 95% confidence interval [CI] 1.143–2.543) and after confounding adjustment (HR: 1.513, 95%CI 1.005–2.277). Consistently, the best cut-off point of glycated haemoglobin (HbA1c) identified based on the Youden’s index was also 6%. Restricted cubic spline analysis delineated a linear positive relationship between baseline HbA1c and MACE risk. Globally, FPG or FPG-based definition of prediabetes was not associated with patients’ outcome. Conclusions In this cohort of patients with intermediate coronary lesions not undergoing revascularization therapy, prediabetes based on the IEC-HbA1c definition was associated with increased MACE risk compared with NGT, and may assist in identifying high-risk patients who can benefit from early lifestyle intervention.