期刊
JACC-CARDIOVASCULAR IMAGING
卷 15, 期 5, 页码 796-808出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcmg.2021.12.008
关键词
CMR T1 mapping; diabetes; glycosylated hemoglobin; meta-analysis; myocardial extracellular matrix; myocardial fibrosis
资金
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant [801076]
This systematic review and meta-analysis investigated the association between diabetes and glycemic control with myocardial fibrosis (MF). The results showed that diabetes and worse glycemic control are associated with an increased degree of MF.
OBJECTIVES This systematic review and meta-analysis investigated the association of diabetes and glycemic control with myocardial fibrosis (MF). BACKGROUND MF is associated with an increased risk of heart failure, coronary artery disease, arrhythmias, and death. Diabetes may influence the development of MF, but evidence is inconsistent. METHODS The authors searched EMBASE, Medline Ovid, Cochrane CENTRAL, Web of Science, and Google Scholar for observational and interventional studies investigating the association of diabetes, glycemic control, and antidiabetic medication with MF assessed by histology and cardiac magnetic resonance (ie, extracellular volume fraction [ECV%] and T1 time). RESULTS A total of 32 studies (88% exclusively on type 2 diabetes) involving 5,053 participants were included in the systematic review. Meta-analyses showed that diabetes was associated with a higher degree of MF assessed by histo-logical collagen volume fraction (n 1/4 6 studies; mean difference: 5.80; 95% CI: 2.00-9.59) and ECV% (13 studies; mean difference: 2.09; 95% CI: 0.92-3.27), but not by native or postcontrast T1 time. Higher glycosylated hemoglobin levels were associated with higher degrees of MF. CONCLUSIONS Diabetes is associated with higher degree of MF assessed by histology and ECV% but not by T1 time. In patients with diabetes, worse glycemic control was associated with higher MF degrees. These findings mostly apply to type 2 diabetes and warrant further investigation into whether these associations are causal and which medications could attenuate MF in patients with diabetes. (C) 2022 by the American College of Cardiology Foundation.
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