Why the study?
While diabetes induces cardiovascular remodeling and increased aortic stiffness in Western populations, data in Asians, particularly Vietnamese, remain limited.
Does type 2 diabetes mellitus alter aortic elasticity indices compared to healthy controls?
Does type 2 diabetes mellitus alter aortic elasticity indices compared to healthy controls?
Type 2 diabetes is associated with significantly increased aortic stiffness and reduced aortic elasticity in a Vietnamese population, highlighting its adverse impact on vascular health.
Supports aortic elasticity evaluation in Vietnamese T2DM; leaves open prospective outcome validation before clinical adoption.
BACKGROUND: Diabetes is one of the leading causes of noncommunicable diseases worldwide. It is known to induce cardiovascular remodeling, which can result in a variety of complications, including a considerable increase in aortic stiffness. While studies in Western populations have explored these effects, data on Asians, mainly Vietnamese, are limited. This study aimed to assess aortic elasticity in type 2 diabetes mellitus (T2DM) patients compared to healthy individuals. METHODS: This quantitative, cross-sectional study compared aortic elasticity indices between individuals with T2DM and healthy controls in Vietnam. Aortic elasticity indices were assessed for all participants using M-mode echocardiography. RESULTS: A comparison between the healthy and T2DM groups revealed substantial differences in aortic elasticity indices. The aortic stiffness index (ASI) was significantly greater in the T2DM group than in the control group, with median values of 6.10 (3.64-12.47) and 3.79 (2.40-8.50), respectively (p = 0.003). Aortic strain (AS) was substantially lower in the T2DM group than in the control group, with median values of 8.21% (4.24-13.07) and 10.66% (6.01-18.23), respectively (p = 0.039). Furthermore, the median aortic compliance (AC, 10-2mm/mmHg) and aortic distensibility (AD, 10-3mmHg-1) in individuals with T2DM were 4.07 (2.28-7.44) and 3.08 (1.57-5.26), respectively, lower than those in the control group, with median values of 6.40 (3.08-10.75) and 5.33 (2.80-9.79). A longer diabetes duration was linked to a greater ASI (r = 0.43, p < 0.05), while the AS decreased (r = -0.37, p < 0.05). CONCLUSIONS: Substantial variations in aorta elasticity indices were found in patients with T2DM using M-mode echocardiography. These differences highlight the impact of T2DM on vascular health. More research is needed to investigate the consequences of these discrepancies and their significance for clinical purposes.
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Dang et al. (2024) studied this question.
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