Relationship between Aortic Stiffness and the Left Ventricular Function in Patients with Prediabetes

被引:12
作者
Aslan, Abdullah Nabi [1 ]
Ayhan, Huseyin [2 ]
Cicek, Omer Faruk [1 ]
Akcay, Murat [2 ]
Durmaz, Tahir [2 ]
Keles, Telat [2 ]
Cakir, Bekir [3 ]
Bozkurt, Engin [2 ]
机构
[1] Ankara Ataturk Educ & Res Hosp, Dept Cardiol, Ankara, Turkey
[2] Yildirim Beyazit Univ, Fac Med, Dept Cardiol, Ankara, Turkey
[3] Ankara Ataturk Educ & Res Hosp, Dept Endocrinol, Ankara, Turkey
关键词
prediabetes; left ventricular function; tissue Doppler echocardiography; aortic stiffness; PRESSURE-DIAMETER RELATION; DIASTOLIC FUNCTION; CARDIOVASCULAR MORTALITY; INDEPENDENT PREDICTOR; ARTERIAL STIFFNESS; METABOLIC SYNDROME; ELASTIC PROPERTIES; DIABETES-MELLITUS; HEART-FAILURE; ALL-CAUSE;
D O I
10.2169/internalmedicine.53.1720
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective Several studies have shown that arterial stiffness and ventricular dysfunction are increased in individuals with type 2 diabetes. Aortic stiffness (AS) reflects the mechanical tension and elasticity of the aorta, and increased aortic stiffness is a risk factor for cardiovascular disease. The aim of this study was to evaluate the degree of aortic stiffness and its relationship with the left ventricular (LV) function in patients with prediabetes and healthy control subjects. Methods The study groups were composed of 50 patients with prediabetes and 47 healthy adults with similar demographic characteristics. The LV systolic and diastolic functions were assessed using standard two dimensional (2D) echocardiography, M-mode echocardiography, pulsed-wave (PW) echocardiography and tissue Doppler echocardiography. The degree of aortic strain and distensibility were calculated based on the aortic diameters measured on M-mode echocardiography at a level 3 cm above the aortic valve and the blood pressure values obtained on sphygmomanometry. Results There were significant differences between the prediabetic and control groups in the degree of aortic strain (4.7 +/- 2.8% vs. 14.9 +/- 4.5%; respectively, p<0.001) and distensibility (2.0 +/- 1.5 vs. 6.8 +/- 2.3; 10(-3) cm(2) dyn(-1), respectively, p<0.001). In addition, significant differences were observed between the patient and control groups in the parameters of the LV systolic and diastolic functions. The left atrial diameter was significantly larger in the prediabetics than in the controls (35.9 +/- 3.9 vs. 33.7 +/- 4.2; respectively, p=0.027). Conclusion AS is increased in patients with prediabetes. In addition, there is a significant relationship between the degree of aortic stiffness and the LV function in this patient population. Therefore, the aortic elasticity parameters calculated on 2D echocardiography are useful for predicting early cardiovascular risks in prediabetics.
引用
收藏
页码:1477 / 1484
页数:8
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