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- Title
Relation of glucose variability to vulnerable plaque formation in patients with coronary artery disease.
- Authors
Tateishi, Kazuya; Saito, Yuichi; Kitahara, Hideki; Kobayashi, Yoshio
- Abstract
Background: Although glucose variability (GV) is reportedly associated with coronary plaque vulnerability, namely lipid-rich plaque, details are not fully understood. The aim of this study was to evaluate relations of GV after discharge to vulnerable plaque formation assessed by near-infrared spectroscopy intravascular ultrasound (NIRS-IVUS) in patients with and without diabetes. Methods: A total of 40 patients undergoing percutaneous coronary intervention under NIRS-IVUS guidance were included, among whom 13 (33%) had diabetes and 20 (50%) presented with acute myocardial infarction (MI). GV was evaluated by a flush glucose monitoring system, primarily with mean amplitude of glycemic excursion (MAGE). Lipid-rich plaque was assessed by maximum lipid core burden index in 4 mm (maxLCBI4mm) in the target lesion using NIRS-IVUS. Results: Mean MAGE and maxLCBI4mm were 69.7 ± 25.6 mg/dl and 508.0 ± 294.9. Intra-day GV was not significantly associated with maxLCBI4mm in the entire study population, while MAGE was correlated with maxLCBI4mm in non-diabetic patients (r = 0.46, p = 0.02). In patients with and without acute MI presentation, no significant relations were found between MAGE and maxLCBI4mm. Conclusion: GV was associated with lipid core plaque formation, especially in non-diabetic patients.
- Subjects
CORONARY artery disease; MYOCARDIAL infarction; INTRAVASCULAR ultrasonography; GLUCOSE; PERCUTANEOUS coronary intervention
- Publication
Heart & Vessels, 2022, Vol 37, Issue 9, p1516
- ISSN
0910-8327
- Publication type
Article
- DOI
10.1007/s00380-022-02063-6