Association of arterial stiffness, N-terminal pro-brain natriuretic peptide, insulin resistance, and left ventricular diastolic dysfunction with diabetic cardiac autonomic neuropathy
Vessel Plus(2022)
摘要
Aim: To investigate the changes of insulin resistance (IR), parameters of arterial stiffness, concentrations of N-terminal pro-brain natriuretic peptide (NT-proBNP), and echocardiographic parameters in patients with cardiac autonomic neuropathy (CAN) and type 2 diabetes mellitus (T2D). Methods: This study recruited 44 patients with T2D (19 patients without CAN and 25 patients with CAN) and 15 healthy volunteers. Arterial stiffness, immunoreactive insulin, homeostasis model assessment IR, NT-proBNP parameters, and echocardiographic examination were assessed. Results: Development of CAN is associated with increase in NT-proBNP levels, IR parameters, and arterial stiffening. Among patients with CAN, arterial stiffness parameters were considered as high. We found out that among patients of this group, the value of brachial augmentation index was normal in 52%, elevated in 40%, and pathological in 8%; pulse wave velocity was normal in 16%, elevated in 52%, and pathological in 32% of cases. Obtained results showed that development of CAN is accompanied by more pronounced left ventricular diastolic dysfunction and by formation of left ventricular hypertrophy (LVH), mostly by concentric type. Among patients of this group concentric LVH was diagnosed among 76 % and eccentric LVH among 16% of persons. Multiple regression analysis, after controlling for age, sex, diabetes duration, blood pressure, HbA1c, and left ventricular mass index, showed an independent association of heart rate response to deep breathing with pulse wave velocity (P < 0.001). Conclusion: Development of CAN is associated with increased IR parameters, increased levels of NT-proBNP, arterial stiffening, left ventricular diastolic dysfunction, and formation of LVH, mostly by concentric type.
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关键词
arterial stiffness,ventricular diastolic dysfunction,insulin resistance,peptide,n-terminal,pro-brain
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