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Revista médica de Chile

versión impresa ISSN 0034-9887

Resumen

DIAZ-CRUZ, CRISTAL et al. Ambulatory arterial stiffness index in diabetic patients. Rev. méd. Chile [online]. 2020, vol.148, n.4, pp.496-499. ISSN 0034-9887.  http://dx.doi.org/10.4067/s0034-98872020000400496.

Background

The ambulatory arterial stiffness index (AASI), derived from 24 h ambulatory blood pressure monitoring (ABPM) can be a good indicator of arterial stiffness.

Aim

To assess the correlation between AASI and brachial-ankle pulse wave velocity (baPWV), ankle-brachial index (ABI) and cardio-ankle vascular index (CAVI) in patients with type 2 diabetes mellitus without hypertension.

Material and Methods

Cross sectional study in 28 diabetic patients aged 49 ± 7 years (40% women). AASI was calculated as 1 minus the regression slope of diastolic on systolic blood pressure, using ABPM data. ABPM was measured in the arm using an oscillometric device. ABI was calculated as the ratio between ankle and brachial systolic blood pressure. CAVI was derived from pulse wave velocity using the Vasera VS-1000 device. Correlations were calculated using a bivariate Spearman correlation.

Results

The mean values for AASI, ABI, baPWV and CAVI were 0.39 ± 0.14, 1.14 ± 0.09, 15.15 ± 2.71 m/s and 7.60 ± 1.90, respectively. There was a significant negative correlation between AASI and ABI (r = -0.491, p < 0.01).

Conclusions

In these diabetic patients, there was an association between AASI, an arterial stiffness marker and ABI, an indicator for the presence of atherosclerosis.

Palabras clave : Ankle Brachial Index; Atherosclerosis; Blood Pressure Monitoring, Ambulatory: Diabetes Mellitus, Type 2; Vascular stiffness.

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