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HbA1c-based rather than fasting plasma glucose-based definitions of prediabetes identifies high-risk patients with angiographic coronary intermediate lesions: a prospective cohort study.
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- Author(s): Song, Chenxi1,2 (AUTHOR); Yuan, Sheng1,2 (AUTHOR); Cui, Kongyong1,2 (AUTHOR); Cai, Zhongxing1,2 (AUTHOR); Zhang, Rui1,2 (AUTHOR); He, Jining1,2 (AUTHOR); Qiao, Zheng1,2 (AUTHOR); Bian, Xiaohui1,2 (AUTHOR); Wu, Shaoyu1,2 (AUTHOR); Wang, Haoyu1,2 (AUTHOR); Shi, Boqun1,2 (AUTHOR); Lin, Zhangyu1,2 (AUTHOR); Fu, Rui1,2 (AUTHOR); Wang, Chunyue1,2 (AUTHOR); Liu, Qianqian1,2 (AUTHOR); Jia, Lei1,2 (AUTHOR); Dong, Qiuting1,2 (AUTHOR) ; Dou, Kefei1,2 (AUTHOR)
- Source:
Cardiovascular Diabetology. 3/25/2023, Vol. 22 Issue 1, p1-10. 10p.- Subject Terms:
- Source:
- Additional Information
- Abstract: 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. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Cardiovascular Diabetology is the property of BioMed Central and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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