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Original Articles
Association between the Triglyceride-Glucose Index and Cardiovascular Risk and Mortality across Different Diabetes Durations: A Nationwide Cohort Study
Jeongeun Kwak, Kyung-Do Han, Eun Young Lee, Seung-Hwan Lee, Dong-Jun Lim, Hyuk-Sang Kwon, Jeongmin Lee
Received October 15, 2024  Accepted January 3, 2025  Published online March 5, 2025  
DOI: https://doi.org/10.3803/EnM.2024.2205    [Epub ahead of print]
  • 312 View
  • 35 Download
AbstractAbstract PDF
Background
We aimed to assess the association between triglyceride-glucose (TyG) index and cardiovascular disease (CVD) risk and mortality in a large cohort of diabetes patients.
Methods
A retrospective cohort study of 1,090,485 participants from the Korean National Health Insurance Service database was conducted. Participants were stratified into TyG quartiles.
Results
Higher TyG index quartiles were significantly associated with an increased CVD risk and mortality risk. In fully adjusted models, participants in the highest TyG quartile (Q4) had an 18% higher risk of CVD (hazard ratio [HR], 1.18; 95% confidence interval [CI], 1.13 to 1.23) and a 16% higher risk of mortality (HR, 1.16; 95% CI, 1.11 to 1.23) compared to those in the lowest quartile (Q1). The association was particularly pronounced in patients with fasting glucose ≥126 mg/dL (CVD [HR, 1.33; 95% CI, 1.29 to 1.37], mortality [HR, 1.23; 95% CI, 1.20 to 1.26]; P for interaction <0.001). Patients with a diabetes duration of ≥10 years showed the strongest association between the TyG index and CVD risk (HR, 1.44; 95% CI, 1.38 to 1.50), while the mortality risk was particularly elevated in those with a diabetes duration of less than 5 years (HR, 1.23; 95% CI, 1.18 to 1.30). Subgroup analyses revealed stronger associations between TyG index and CVD risk in younger participants, non-obese individuals, and non-smokers.
Conclusion
The TyG index is a significant predictor of CVD and mortality in diabetic patients, particularly in those with poor glycemic control or longer disease duration.
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Prevalence of Mortality and Vascular Complications in Older Patients with Diabetes in Korea
Kwang Joon Kim, Jeongmin Lee, Yang Sun Park, Yong-ho Lee, Kyeong Hye Park, Hee-Won Jung, Chang Oh Kim, Man Young Park, Hun-Sung Kim, Bong-Soo Cha
Received September 9, 2024  Accepted January 2, 2025  Published online February 18, 2025  
DOI: https://doi.org/10.3803/EnM.2024.2173    [Epub ahead of print]
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  • 20 Download
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
This study investigated the prevalence of diabetes mellitus (DM) and impaired fasting glucose, as well as their management and comorbidities among older Korean adults.
Methods
Data from 269,447 individuals aged 65 years and older from the Korean National Health Insurance Service between 2000 and 2019 were analyzed to evaluate trends in DM prevalence, healthcare utilization, mortality, and complications.
Results
Among 269,447 individuals, 18.6% (n=50,159/269,447) were diagnosed with DM and 27.0% (n=72,670/269,447) had impaired fasting glucose. The DM group had the highest body mass index, waist circumference, and prevalence of current smokers (P<0.001) but not the highest hypertension prevalence. From 2010 to 2019, the prevalence of DM and impaired fasting glucose increased from 15.5% to 21.9% and from 26.0% to 30.6%, respectively. Cancer-related mortality in DM was 1.15 times higher than in those with normal glucose tolerance (P<0.001), and cardiovascular disease-related mortality was 1.32 times higher (P<0.001); all mortalities were higher in female participants. Myocardial infarction (hazard ratio [HR], 1.34; P<0.001), stroke (HR, 1.24; P<0.001), and heart failure (HR, 1.13; P<0.001) were significantly higher in those with DM.
Conclusion
This is the first study to investigate the prevalence of DM and related complications in older individuals based on longterm representative data in Korea. These results highlight the necessity for targeted interventions to enhance management and outcomes in this population.
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Sex-Specific Cardiovascular Risks and Mortality in Patients with Panhypopituitarism: A Nationwide Cohort Study
Seung Shin Park, Hyunmook Jeong, Chang Ho Ahn, Min Jeong Park, Yong Hwy Kim, Kwangsoo Kim, Jung Hee Kim
Received September 12, 2024  Accepted December 16, 2024  Published online February 11, 2025  
DOI: https://doi.org/10.3803/EnM.2024.2176    [Epub ahead of print]
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  • 28 Download
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Panhypopituitarism is a condition of combined deficiency of multiple pituitary hormones, which requires lifelong hormone replacement therapy. Hormone deficiency or inadequate hormone replacement may contribute to cardiovascular disease. Here, we aimed to investigate the burden of cardiovascular, cerebrovascular diseases and mortality in patients with panhypopituitarism.
Methods
A total of 5,714 patients with panhypopituitarism were enrolled in the Korean National Health Insurance Service database from 2003 to 2020. Panhypopituitarism was defined according to the International Classification of Diseases, 10th Revision (ICD- 10) codes for hypopituitarism, pituitary adenoma, or craniopharyngioma and the continuous prescription of thyroid hormone and glucocorticoids. The risks of all-cause mortality, coronary artery disease (CAD), heart failure (HF), ischemic stroke, and intracranial hemorrhage were compared between patients with panhypopituitarism and age-, sex-, and index year-matched controls.
Results
The mean age of patients with panhypopituitarism and matched controls was 55.1 years, and men accounted for 51.5%. Patients with panhypopituitarism showed significantly higher all-cause mortality compared to matched controls after adjustment for covariates (hazard ratio [HR], 2.18; 95% confidence interval [CI], 1.95 to 2.43 in men and HR, 3.09; 95% CI, 2.78 to 3.44 in women). Additionally, there were higher risks of CAD, HF, ischemic stroke, and intracranial hemorrhage in both sexes, except for CAD in men.
Conclusion
Patients with panhypopituitarism have elevated risks of cardiovascular and cerebrovascular diseases as well as increased mortality. These risks are particularly prominent for all-cause mortality in women. Therefore, proactive monitoring for cardiovascular and cerebrovascular complications is required in patients with panhypopituitarism.
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Thyroid
Prevalence of Subclinical Hypothyroidism in a Non-Diabetic Young Female Population and Its Impact on Diabetes and Cardiometabolic Risk
Nawoda Hewage, Udaya Wijesekara, Rasika Perera
Endocrinol Metab. 2024;39(6):864-876.   Published online November 5, 2024
DOI: https://doi.org/10.3803/EnM.2024.2015
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AbstractAbstract PDFPubReader   ePub   
Background
We evaluated the influence of subclinical hypothyroidism (SCH) on insulin resistance (IR), cardiometabolic risk, and obesity in childbearing-age women without diabetes.
Methods
This cross-sectional investigation included 282 women, aged 18 to 35 years, from rural and suburban Sri Lanka. Anthropometric and biochemical parameters, including IR and lipid/thyroid profiles, were recorded. Data were compared between SCH and euthyroidism (EU) for controls (normal weight) and cases (overweight/obese).
Results
The overall rates of SCH, EU, IR, and metabolic syndrome (MetS) were 40.42%, 59.57%, 73.40%, and 24.46%, respectively. Both controls and cases included individuals with SCH; overall, 168 participants (59.57%) had EU, while 114 (40.42%) exhibited SCH. IR was significantly associated with SCH in both weight groups (P<0.05). Among those with SCH, the odds ratios (ORs) for IR were >2 (95% confidence interval [CI], 0.45 to 3.87) in controls and >6 (95% CI, 3.52 to 8.41) in cases. Similarly, the ORs for MetS were >1 (95% CI, 0.38 to 4.16) in controls and >11 (95% CI, 8.73 to 15.01) in cases. Dyslipidemia and hypertriglyceridemia were significantly more prevalent in the SCH group (P<0.05). Women with SCH exhibited higher mean values for all obesity indices compared to their EU counterparts, surpassing normal thresholds (P<0.05). Among obesity measures, visceral adiposity index (VAI) demonstrated the highest area under the curve and sensitivity for assessing SCH and cardiovascular disease (CVD) risk.
Conclusion
SCH must be identified and managed in young women to help prevent diabetes and cardiometabolic disorders. VAI may aid in precisely detecting SCH and CVD.
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Diabetes, obesity and metabolism
Study Design and Protocol for a Randomized Controlled Trial to Assess Long-Term Efficacy and Safety of a Triple Combination of Ezetimibe, Fenofibrate, and Moderate-Intensity Statin in Patients with Type 2 Diabetes and Modifiable Cardiovascular Risk Factors (ENSEMBLE)
Nam Hoon Kim, Juneyoung Lee, Suk Chon, Jae Myung Yu, In-Kyung Jeong, Soo Lim, Won Jun Kim, Keeho Song, Ho Chan Cho, Hea Min Yu, Kyoung-Ah Kim, Sang Soo Kim, Soon Hee Lee, Chong Hwa Kim, Soo Heon Kwak, Yong‐ho Lee, Choon Hee Chung, Sihoon Lee, Heung Yong Jin, Jae Hyuk Lee, Gwanpyo Koh, Sang-Yong Kim, Jaetaek Kim, Ju Hee Lee, Tae Nyun Kim, Hyun Jeong Jeon, Ji Hyun Lee, Jae-Han Jeon, Hye Jin Yoo, Hee Kyung Kim, Hyeong-Kyu Park, Il Seong Nam-Goong, Seongbin Hong, Chul Woo Ahn, Ji Hee Yu, Jong Heon Park, Keun-Gyu Park, Chan Ho Park, Kyong Hye Joung, Ohk-Hyun Ryu, Keun Yong Park, Eun-Gyoung Hong, Bong-Soo Cha, Kyu Chang Won, Yoon-Sok Chung, Sin Gon Kim
Endocrinol Metab. 2024;39(5):722-731.   Published online August 22, 2024
DOI: https://doi.org/10.3803/EnM.2024.1995
  • 3,904 View
  • 235 Download
  • 3 Web of Science
  • 1 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
Atherogenic dyslipidemia, which is frequently associated with type 2 diabetes (T2D) and insulin resistance, contributes to the development of vascular complications. Statin therapy is the primary approach to dyslipidemia management in T2D, however, the role of non-statin therapy remains unclear. Ezetimibe reduces cholesterol burden by inhibiting intestinal cholesterol absorption. Fibrates lower triglyceride levels and increase high-density lipoprotein cholesterol (HDL-C) levels via peroxisome proliferator- activated receptor alpha agonism. Therefore, when combined, these drugs effectively lower non-HDL-C levels. Despite this, few clinical trials have specifically targeted non-HDL-C, and the efficacy of triple combination therapies, including statins, ezetimibe, and fibrates, has yet to be determined.
Methods
This is a multicenter, prospective, randomized, open-label, active-comparator controlled trial involving 3,958 eligible participants with T2D, cardiovascular risk factors, and elevated non-HDL-C (≥100 mg/dL). Participants, already on moderate-intensity statins, will be randomly assigned to either Ezefeno (ezetimibe/fenofibrate) addition or statin dose-escalation. The primary end point is the development of a composite of major adverse cardiovascular and diabetic microvascular events over 48 months.
Conclusion
This trial aims to assess whether combining statins, ezetimibe, and fenofibrate is as effective as, or possibly superior to, statin monotherapy intensification in lowering cardiovascular and microvascular disease risk for patients with T2D. This could propose a novel therapeutic approach for managing dyslipidemia in T2D.

Citations

Citations to this article as recorded by  
  • Current and Emerging Treatment Options for Hypertriglyceridemia: State-of-the-Art Review
    Jakub Michal Zimodro, Manfredi Rizzo, Ioanna Gouni-Berthold
    Pharmaceuticals.2025; 18(2): 147.     CrossRef
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Miscellaneous
Lipid Variability Induces Endothelial Dysfunction by Increasing Inflammation and Oxidative Stress
Marie Rhee, Joonyub Lee, Eun Young Lee, Kun-Ho Yoon, Seung-Hwan Lee
Endocrinol Metab. 2024;39(3):511-520.   Published online May 16, 2024
DOI: https://doi.org/10.3803/EnM.2023.1915
  • 2,878 View
  • 97 Download
  • 6 Web of Science
  • 8 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
This study investigates the impact of fluctuating lipid levels on endothelial dysfunction.
Methods
Human aortic and umbilical vein endothelial cells were cultured under varying palmitic acid (PA) concentrations: 0, 50, and 100 μM, and in a variability group alternating between 0 and 100 μM PA every 8 hours for 48 hours. In the lipid variability group, cells were exposed to 100 μM PA during the final 8 hours before analysis. We assessed inflammation using real-time polymerase chain reaction, Western blot, and cytokine enzyme-linked immunosorbent assay (ELISA); reactive oxygen species (ROS) levels with dichlorofluorescin diacetate assay; mitochondrial function through oxygen consumption rates via XF24 flux analyzer; and endothelial cell functionality via wound healing and cell adhesion assays. Cell viability was evaluated using the MTT assay.
Results
Variable PA levels significantly upregulated inflammatory genes and adhesion molecules (Il6, Mcp1, Icam, Vcam, E-selectin, iNos) at both transcriptomic and protein levels in human endothelial cells. Oscillating lipid levels reduced basal respiration, adenosine triphosphate synthesis, and maximal respiration, indicating mitochondrial dysfunction. This lipid variability also elevated ROS levels, contributing to a chronic inflammatory state. Functionally, these changes impaired cell migration and increased monocyte adhesion, and induced endothelial apoptosis, evidenced by reduced cell viability, increased BAX, and decreased BCL2 expression.
Conclusion
Lipid variability induce endothelial dysfunction by elevating inflammation and oxidative stress, providing mechanistic insights into how lipid variability increases cardiovascular risk.

Citations

Citations to this article as recorded by  
  • Association between triglyceride glucose index-related indices and kidney stones in adults based on NHANES 2007–2020
    Ming Liu, Ping Yang, Yunpeng Gou
    Frontiers in Endocrinology.2025;[Epub]     CrossRef
  • The Impact of Modifiable Risk Factors on the Endothelial Cell Methylome and Cardiovascular Disease Development
    Hashum Sum, Alison C. Brewer
    Frontiers in Bioscience-Landmark.2025;[Epub]     CrossRef
  • A retrospective study on the correlation between antibody levels and endothelial function in SLE patients: An analysis based on ultrasound and serum biomarkers
    Huan Xia, Zaixing Pan, Yun Hong, Qingzhu Zhao, Weili Fan
    Molecular Immunology.2025; 181: 66.     CrossRef
  • Nutrition and Lifestyle Interventions in Managing Dyslipidemia and Cardiometabolic Risk
    Hygerta Berisha, Reham Hattab, Laura Comi, Claudia Giglione, Silvia Migliaccio, Paolo Magni
    Nutrients.2025; 17(5): 776.     CrossRef
  • Mitochondria‑derived peptides: Promising microproteins in cardiovascular diseases (Review)
    Yutong Ran, Zhiliang Guo, Lijuan Zhang, Hong Li, Xiaoyun Zhang, Xiumei Guan, Xiaodong Cui, Hao Chen, Min Cheng
    Molecular Medicine Reports.2025; 31(5): 1.     CrossRef
  • Can Daily Dietary Choices Have a Cardioprotective Effect? Food Compounds in the Prevention and Treatment of Cardiometabolic Diseases
    Elżbieta Szczepańska, Barbara Janota, Marika Wlazło, Magdalena Gacal
    Metabolites.2024; 14(6): 296.     CrossRef
  • Lipid Swings Provoke Vascular Inflammation
    Jae-Han Jeon
    Endocrinology and Metabolism.2024; 39(3): 448.     CrossRef
  • Relationship between Oral Lichen Planus and Cardiovascular Disease of Atherosclerotic Origin: Systematic Review and Meta-Analysis
    Beatriz Gonzalez Navarro, Sonia Egido Moreno, Carlos Omaña Cepeda, Albert Estrugo Devesa, Enric Jane Salas, Jose Lopez Lopez
    Journal of Clinical Medicine.2024; 13(16): 4630.     CrossRef
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Miscellaneous
Prediction of Cardiovascular Complication in Patients with Newly Diagnosed Type 2 Diabetes Using an XGBoost/GRU-ODE-Bayes-Based Machine-Learning Algorithm
Joonyub Lee, Yera Choi, Taehoon Ko, Kanghyuck Lee, Juyoung Shin, Hun-Sung Kim
Endocrinol Metab. 2024;39(1):176-185.   Published online November 21, 2023
DOI: https://doi.org/10.3803/EnM.2023.1739
  • 2,633 View
  • 110 Download
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Cardiovascular disease is life-threatening yet preventable for patients with type 2 diabetes mellitus (T2DM). Because each patient with T2DM has a different risk of developing cardiovascular complications, the accurate stratification of cardiovascular risk is critical. In this study, we proposed cardiovascular risk engines based on machine-learning algorithms for newly diagnosed T2DM patients in Korea.
Methods
To develop the machine-learning-based cardiovascular disease engines, we retrospectively analyzed 26,166 newly diagnosed T2DM patients who visited Seoul St. Mary’s Hospital between July 2009 and April 2019. To accurately measure diabetes-related cardiovascular events, we designed a buffer (1 year), an observation (1 year), and an outcome period (5 years). The entire dataset was split into training and testing sets in an 8:2 ratio, and this procedure was repeated 100 times. The area under the receiver operating characteristic curve (AUROC) was calculated by 10-fold cross-validation on the training dataset.
Results
The machine-learning-based risk engines (AUROC XGBoost=0.781±0.014 and AUROC gated recurrent unit [GRU]-ordinary differential equation [ODE]-Bayes=0.812±0.016) outperformed the conventional regression-based model (AUROC=0.723± 0.036).
Conclusion
GRU-ODE-Bayes-based cardiovascular risk engine is highly accurate, easily applicable, and can provide valuable information for the individualized treatment of Korean patients with newly diagnosed T2DM.
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Diabetes, obesity and metabolism
Big Data Articles (National Health Insurance Service Database)
Long-Term Cumulative Exposure to High γ-Glutamyl Transferase Levels and the Risk of Cardiovascular Disease: A Nationwide Population-Based Cohort Study
Han-Sang Baek, Bongseong Kim, Seung-Hwan Lee, Dong-Jun Lim, Hyuk-Sang Kwon, Sang-Ah Chang, Kyungdo Han, Jae-Seung Yun
Endocrinol Metab. 2023;38(6):770-781.   Published online November 6, 2023
DOI: https://doi.org/10.3803/EnM.2023.1726
  • 2,884 View
  • 72 Download
  • 4 Web of Science
  • 3 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Elevated γ-glutamyl transferase (γ-GTP) levels are associated with metabolic syndrome. We investigated the association of cumulative exposure to high γ-GTP with the risk of cardiovascular disease (CVD) in a large-scale population.
Methods
Using nationally representative data from the Korean National Health Insurance system, 1,640,127 people with 4 years of consecutive γ-GTP measurements from 2009 to 2012 were included and followed up until the end of 2019. For each year of the study period, participants were grouped by the number of exposures to the highest γ-GTP quartile (0–4), and the sum of quartiles (0–12) was defined as cumulative γ-GTP exposure. The hazard ratio for CVD was evaluated using the Cox proportional hazards model.
Results
During the 6.4 years of follow-up, there were 15,980 cases (0.97%) of myocardial infarction (MI), 14,563 (0.89%) of stroke, 29,717 (1.81%) of CVD, and 25,916 (1.58%) of death. Persistent exposure to high γ-GTP levels was associated with higher risks of MI, stroke, CVD, and death than those without such exposure. The risks of MI, stroke, CVD, and mortality increased in a dose-dependent manner according to total cumulative γ-GTP (all P for trend <0.0001). Subjects younger than 65 years, with a body mass index <25 kg/m2, and without hypertension or fatty liver showed a stronger relationship between cumulative γ-GTP and the incidence of MI, CVD, and death.
Conclusion
Cumulative γ-GTP elevation is associated with CVD. γ-GTP could be more widely used as an early marker of CVD risk, especially in individuals without traditional CVD risk factors.

Citations

Citations to this article as recorded by  
  • Association of Serum Gamma-Glutamyltransferase with In-hospital Heart Failure in Patients with ST-segment Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention
    An-Cheng Hou, Jian-Tong Hou, Wei-Ning Zhou, Yan-Jin Wei, Zhi-Hong Ou, Cun-Fei Liu
    Reviews in Cardiovascular Medicine.2025;[Epub]     CrossRef
  • The J-shaped relationship between the gamma-glutamyltransferase to high-density lipoprotein cholesterol ratio and mortality risk in U.S. adults
    Shujuan Qiu, Chunlei Li, Zhentao Guo
    Preventive Medicine Reports.2025; 52: 102958.     CrossRef
  • Interplay of serum biomarkers bilirubin and γ-glutamyltranspeptidase in predicting cardiovascular complications in type-2 diabetes mellitus
    Ebtesam Abdullah Al-Suhaimi, Abdullah Ahmed Al-Rubaish
    World Journal of Diabetes.2024; 15(6): 1074.     CrossRef
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Diabetes, obesity and metabolism
Coronary Artery Calcium Score as a Sensitive Indicator of Cardiovascular Disease in Patients with Type 2 Diabetes Mellitus: A Long-Term Cohort Study
Dae-Jeong Koo, Mi Yeon Lee, Sun Joon Moon, Hyemi Kwon, Sang Min Lee, Se Eun Park, Cheol-Young Park, Won-Young Lee, Ki Won Oh, Sung Rae Cho, Young-Hoon Jeong, Eun-Jung Rhee
Endocrinol Metab. 2023;38(5):568-577.   Published online October 10, 2023
DOI: https://doi.org/10.3803/EnM.2023.1770
  • 4,743 View
  • 183 Download
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Coronary artery calcium score (CACS) has become an important tool for evaluating cardiovascular disease (CVD). This study evaluated the significance of CACS for future CVD through more than 10 years of follow-up in asymptomatic Korean populations with type 2 diabetes mellitus (T2DM) known to have a relatively low CACS burden.
Methods
We enrolled 981 asymptomatic T2DM patients without CVD at baseline who underwent CACS evaluation using multidetector computed tomography between January 2008 and December 2014. They were grouped into five predefined CACS categories based on Agatston scores and followed up by August 2020. The primary endpoint was incident CVD events, including coronary, cerebrovascular, and peripheral arterial disease.
Results
The relative risk of CVD was significantly higher in patients with CACS ≥10, and the significance persisted after adjustment for known confounders. A higher CACS category indicated a higher incidence of future CVD: hazard ratio (95% confidence interval) 4.09 (1.79 to 9.36), 12.00 (5.61 to 25.69), and 38.79 (16.43 to 91.59) for 10≤ CACS <100, 100≤ CACS <400, and CACS ≥400, respectively. During the 12-year follow-up period, the difference in event-free survival more than doubled as the category increased. Patients with CACS below 10 had very low CVD incidence throughout the follow-up. The receiver operating characteristic analysis showed better area under curve when the CACS cutoff was 10 than 100.
Conclusion
CACS can be a sensitive marker of CVD risk. Specifically, CACS above 10 is an indicator of CVD high-risk requiring more intensive medical treatment in Koreans with T2DM.
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Diabetes, obesity and metabolism
Triglyceride-Glucose Index Predicts Future Atherosclerotic Cardiovascular Diseases: A 16-Year Follow-up in a Prospective, Community-Dwelling Cohort Study
Joon Ho Moon, Yongkang Kim, Tae Jung Oh, Jae Hoon Moon, Soo Heon Kwak, Kyong Soo Park, Hak Chul Jang, Sung Hee Choi, Nam H. Cho
Endocrinol Metab. 2023;38(4):406-417.   Published online August 3, 2023
DOI: https://doi.org/10.3803/EnM.2023.1703
  • 9,760 View
  • 282 Download
  • 14 Web of Science
  • 16 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
While the triglyceride-glucose (TyG) index is a measure of insulin resistance, its association with cardiovascular disease (CVD) has not been well elucidated. We evaluated the TyG index for prediction of CVDs in a prospective large communitybased cohort.
Methods
Individuals 40 to 70 years old were prospectively followed for a median 15.6 years. The TyG index was calculated as the Ln [fasting triglycerides (mg/dL)×fasting glucose (mg/dL)/2]. CVDs included any acute myocardial infarction, coronary artery disease or cerebrovascular disease. We used a Cox proportional hazards model to estimate CVD risks according to quartiles of the TyG index and plotted the receiver operating characteristics curve for the incident CVD.
Results
Among 8,511 subjects (age 51.9±8.8 years; 47.5% males), 931 (10.9%) had incident CVDs during the follow-up. After adjustment for age, sex, body mass index, diabetes mellitus, hypertension, total cholesterol, smoking, alcohol, exercise, and C-reactive protein, subjects in the highest TyG quartile had 36% increased risk of incident CVD compared with the lowest TyG quartile (hazard ratio, 1.36; 95% confidence interval, 1.10 to 1.68). Carotid plaque, assessed by ultrasonography was more frequent in subjects in the higher quartile of TyG index (P for trend=0.049 in men and P for trend <0.001 in women). The TyG index had a higher predictive power for CVDs than the homeostasis model assessment of insulin resistance (HOMA-IR) (area under the curve, 0.578 for TyG and 0.543 for HOMA-IR). Adding TyG index on diabetes or hypertension alone gave sounder predictability for CVDs.
Conclusion
The TyG index is independently associated with future CVDs in 16 years of follow-up in large, prospective Korean cohort.

Citations

Citations to this article as recorded by  
  • Elevated triglyceride-glucose index as a predictor of carotid plaque incidence: Insights from a comprehensive meta-analysis
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    Younan Yao, Bo Wang, Tian Geng, Jiyan Chen, Wan Chen, Liwen Li
    Cardiovascular Diabetology.2024;[Epub]     CrossRef
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    Cancan Cui, Yitian Qi, Jiayin Song, Xinyun Shang, Tianjiao Han, Ning Han, Siqi Yue, Yining Zha, Zhonghang Xu, Jiannan Li, Lin Liu
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    Tolga Han Efe, Engin Algül
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  • Triglyceride-Glucose Index as Predictor for Hypertension, CHD and STROKE Risk among Non-Diabetic Patients: A NHANES Cross-Sectional Study 2001–2020
    Bisher Sawaf, Sarya Swed, Hidar Alibrahim, Haidara Bohsas, Tirth Dave, Mohamad Nour Nasif, Wael Hafez, Fatema Ali Asgar Tashrifwala, Yazan Khair Eldien Jabban, Safwan Al-Rassas, Heba haj Saleh, Abdul Rehman Zia Zaidi, Baraa Alghalyini, Shaymaa Abdelmaboud
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    Beverley Adams-Huet, Ishwarlal Jialal
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    Verena Gounden, Sridevi Devaraj, Ishwarlal Jialal
    Lipids in Health and Disease.2024;[Epub]     CrossRef
  • Evaluation of the novel three lipid indices for predicting five- and ten-year incidence of cardiovascular disease: findings from Kerman coronary artery disease risk factors study (KERCADRS)
    Alireza Jafari, Hamid Najafipour, Mitra Shadkam, Sina Aminizadeh
    Lipids in Health and Disease.2023;[Epub]     CrossRef
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Diabetes, Obesity and Metabolism
Impact of Post-Transplant Diabetes Mellitus on Survival and Cardiovascular Events in Kidney Transplant Recipients
Ja Young Jeon, Shin Han-Bit, Bum Hee Park, Nami Lee, Hae Jin Kim, Dae Jung Kim, Kwan-Woo Lee, Seung Jin Han
Endocrinol Metab. 2023;38(1):139-145.   Published online February 6, 2023
DOI: https://doi.org/10.3803/EnM.2022.1594
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Post-transplant diabetes mellitus (PTDM) is a risk factor for poor outcomes after kidney transplantation (KT). However, the outcomes of KT have improved recently. Therefore, we investigated whether PTDM is still a risk factor for mortality, major atherosclerotic cardiovascular events (MACEs), and graft failure in KT recipients.
Methods
We studied a retrospective cohort of KT recipients (between 1994 and 2017) at a single tertiary center, and compared the rates of death, MACEs, overall graft failure, and death-censored graft failure after KT between patients with and without PTDM using Kaplan-Meier analysis and a Cox proportional hazard model.
Results
Of 571 KT recipients, 153 (26.8%) were diagnosed with PTDM. The mean follow-up duration was 9.6 years. In the Kaplan- Meier analysis, the PTDM group did not have a significantly increased risk of death or four-point MACE compared with the non-diabetes mellitus group (log-rank test, P=0.957 and P=0.079, respectively). Multivariate Cox proportional hazard models showed that PTDM did not have a negative impact on death or four-point MACE (P=0.137 and P=0.181, respectively). In addition, PTDM was not significantly associated with overall or death-censored graft failure. However, patients with a long duration of PTDM had a higher incidence of four-point MACE.
Conclusion
Patient survival and MACEs were comparable between groups with and without PTDM. However, PTDM patients with long duration diabetes were at higher risk of cardiovascular disease.

Citations

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    Moeber Mohammed Mahzari, Omar Buraykan Alluhayyan, Mahdi Hamad Almutairi, Mohammed Abdullah Bayounis, Yazeed Hasan Alrayani, Amir A. Omair, Awad Saad Alshahrani
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Diabetes, Obesity and Metabolism
Big Data Articles (National Health Insurance Service Database)
Association between the Diabetes Drug Cost and Cardiovascular Events and Death in Korea: A National Health Insurance Service Database Analysis
Seung Min Chung, Ji-In Lee, Eugene Han, Hyun-Ae Seo, Eonju Jeon, Hye Soon Kim, Ji Sung Yoon
Endocrinol Metab. 2022;37(5):759-769.   Published online October 5, 2022
DOI: https://doi.org/10.3803/EnM.2022.1515
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
This study aimed to investigate the long-term effects of diabetes drug costs on cardiovascular (CV) events and death.
Methods
This retrospective observational study used data from 2009 to 2018 from the National Health Insurance in Korea. Among the patients with type 2 diabetes, those taking antidiabetic drugs and who did not have CV events until 2009 were included. Patients were divided into quartiles (Q1 [lowest]–4 [highest]) according to the 2009 diabetes drug cost. In addition, the 10-year incidences of CV events (non-fatal myocardial infarction, stroke, hospitalization for heart failure, and coronary revascularization) and CV death (death due to CV events) were analyzed.
Results
A total of 441,914 participants were enrolled (median age, 60 years; men, 57%). CV events and death occurred in 28.1% and 8.36% of the patients, respectively. The 10-year incidences of CV events and deaths increased from Q1 to 4. After adjusting for sex, age, income, type of diabetes drugs, comorbidities, and smoking and drinking status, the risk of CV events significantly increased according to the sequential order of the cost quartiles. In contrast, the risk of CV death showed a U-shaped pattern, which was the lowest in Q3 (hazard ratio [HR], 0.953; 95% confidence interval [CI], 0.913 to 0.995) and the highest in Q4 (HR, 1.266; 95% CI, 1.213 to 1.321).
Conclusion
Diabetes drug expenditure affects 10-year CV events and mortality. Therefore, affording an appropriate diabetes drug cost at a similar risk of CV is an independent protective factor against CV death.

Citations

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  • Impact of mental disorders on the risk of heart failure among Korean patients with diabetes: a cohort study
    Tae Kyung Yoo, Kyung-Do Han, Eun-Jung Rhee, Won-Young Lee
    Cardiovascular Diabetology.2023;[Epub]     CrossRef
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Review Article
Diabetes, Obesity and Metabolism
Lipoprotein Lipase: Is It a Magic Target for the Treatment of Hypertriglyceridemia
Joon Ho Moon, Kyuho Kim, Sung Hee Choi
Endocrinol Metab. 2022;37(4):575-586.   Published online August 29, 2022
DOI: https://doi.org/10.3803/EnM.2022.402
  • 34,555 View
  • 695 Download
  • 24 Web of Science
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AbstractAbstract PDFPubReader   ePub   
High levels of triglycerides (TG) and triglyceride-rich lipoproteins (TGRLs) confer a residual risk of cardiovascular disease after optimal low-density lipoprotein cholesterol (LDL-C)–lowering therapy. Consensus has been made that LDL-C is a non-arguable primary target for lipid lowering treatment, but the optimization of TGRL for reducing the remnant risk of cardiovascular diseases is urged. Omega-3 fatty acids and fibrates are used to reduce TG levels, but many patients still have high TG and TGRL levels combined with low high-density lipoprotein concentration that need to be ideally treated. Lipoprotein lipase (LPL) is a key regulator for TGs that hydrolyzes TGs to glycerol and free fatty acids in lipoprotein particles for lipid storage and consumption in peripheral organs. A deeper understanding of human genetics has enabled the identification of proteins regulating the LPL activity, which include the apolipoproteins and angiopoietin-like families. Novel therapeutic approach such as antisense oligonucleotides and monoclonal antibodies that regulate TGs have been developed in recent decades. In this article, we focus on the biology of LPL and its modulators and review recent clinical application, including genetic studies and clinical trials of novel therapeutics. Optimization of LPL activity to lower TG levels could eventually reduce incident atherosclerotic cardiovascular disease in conjunction with successful LDL-C reduction.

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Original Article
Diabetes, Obesity and Metabolism
High Cardiorespiratory Fitness Protects against Molecular Impairments of Metabolism, Heart, and Brain with Higher Efficacy in Obesity-Induced Premature Aging
Patcharapong Pantiya, Chanisa Thonusin, Natticha Sumneang, Benjamin Ongnok, Titikorn Chunchai, Sasiwan Kerdphoo, Thidarat Jaiwongkam, Busarin Arunsak, Natthaphat Siri-Angkul, Sirawit Sriwichaiin, Nipon Chattipakorn, Siriporn C. Chattipakorn
Endocrinol Metab. 2022;37(4):630-640.   Published online August 5, 2022
DOI: https://doi.org/10.3803/EnM.2022.1430
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
High cardiorespiratory fitness (CRF) protects against age-related diseases. However, the mechanisms mediating the protective effect of high intrinsic CRF against metabolic, cardiac, and brain impairments in non-obese versus obese conditions remain incompletely understood. We aimed to identify the mechanisms through which high intrinsic CRF protects against metabolic, cardiac, and brain impairments in non-obese versus obese untrained rats.
Methods
Seven-week-old male Wistar rats were divided into two groups (n=8 per group) to receive either a normal diet or a highfat diet (HFD). At weeks 12 and 28, CRF, carbohydrate and fatty acid oxidation, cardiac function, and metabolic parameters were evaluated. At week 28, behavior tests were performed. At the end of week 28, rats were euthanized to collect heart and brain samples for molecular studies.
Results
The obese rats exhibited higher values for aging-related parameters than the non-obese rats, indicating that they experienced obesity-induced premature aging. High baseline CRF levels were positively correlated with several favorable metabolic, cardiac, and brain parameters at follow-up. Specifically, the protective effects of high CRF against metabolic, cardiac, and brain impairments were mediated by the modulation of body weight and composition, the lipid profile, substrate oxidation, mitochondrial function, insulin signaling, autophagy, apoptosis, inflammation, oxidative stress, cardiac function, neurogenesis, blood-brain barrier, synaptic function, accumulation of Alzheimer’s disease-related proteins, and cognition. Interestingly, this effect was more obvious in HFD-fed rats.
Conclusion
The protective effect of high CRF is mediated by the modulation of several mechanisms. These effects exhibit greater efficacy under conditions of obesity-induced premature aging.

Citations

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  • Interplay between obesity and aging on myocardial geometry and function: Role of leptin-STAT3-stress signaling
    Wei Jin, Fei Tu, Feng Dong, Qinqin Deng, Miyesaier Abudureyimu, Wei Yu, Guo-jun Cai, Jian-ming Pei, Zhaohui Pei, Jun Ren
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    Jaime A. Gallo-Villegas, Juan C. Calderón
    European Journal of Applied Physiology.2023; 123(5): 945.     CrossRef
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    KayLoni Olson, Denise K. Houston, Johnathan Ross, Rena R. Wing, Felicia R. Simpson, Ambarish Pandey, Michael P. Walkup, Mia Yang, Mark A. Espeland
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Review Article
Adrenal Gland
Long-Term Outcomes of Congenital Adrenal Hyperplasia
Anna Nordenström, Svetlana Lajic, Henrik Falhammar
Endocrinol Metab. 2022;37(4):587-598.   Published online July 8, 2022
DOI: https://doi.org/10.3803/EnM.2022.1528
  • 34,812 View
  • 381 Download
  • 18 Web of Science
  • 21 Crossref
AbstractAbstract PDFPubReader   ePub   
A plethora of negative long-term outcomes have been associated with congenital adrenal hyperplasia (CAH). The causes are multiple and involve supra-physiological gluco- and mineralocorticoid replacement, excess adrenal androgens both intrauterine and postnatal, elevated steroid precursor and adrenocorticotropic hormone levels, living with a congenital condition as well as the proximity of the cytochrome P450 family 21 subfamily A member 2 (CYP21A2) gene to other genes. This review aims to discuss the different long-term outcomes of CAH.

Citations

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