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The control of blood pressure might be important in delaying progression of arterial aging in patients with type 2 diabetes mellitus

Authors Kim G, Kim J, Moon K, Yoo K, Ko S, Ahn Y, Kim C

Received 11 April 2014

Accepted for publication 9 May 2014

Published 11 August 2014 Volume 2014:9 Pages 1321—1325


Checked for plagiarism Yes

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Peer reviewer comments 2

GeeHee Kim,1 Ji-Hoon Kim,1 Keon-Woong Moon,1 Ki-Dong Yoo,1 Seung-Hyun Ko,2 Yu-Bae Ahn,2 Chul-Min Kim1

1Division of Cardiology, 2Division of Endocrinology and Metabolism, Department of Internal Medicine, St Vincent’s Hospital, Catholic University of Korea, Suwon, Republic of Korea

Objective: Arterial stiffness, as assessed by the brachial-ankle pulse wave velocity (baPWV), is associated with arterial aging and has been consistently linked to cardiovascular disease. The factors involved in reducing the progression of arterial stiffness in patients with type 2 diabetes mellitus (DM) have not yet been fully established.
Methods: Of 478 patients who underwent two baPWV measurements (at baseline and 1 year later) at the Department of Internal Medicine, St Vincent’s Hospital, from November 2009 to June 2011, 341 subjects were enrolled in this study (male to female ratio =150:191; mean age, 62.1±7.7 years). The 341 subjects were over the age of 50 with type 2 DM, were diagnosed without peripheral artery disease, and 170 if the subjects (50%) had hypertension.
Results: baPWV at baseline increased in a linear manner along with age (ß=22.8, t=10.855; P<0.0001, R2=0.258). After 1 year follow-up, the change in baPWV (∆baPWV) was ­variable (median 32.7 cm/s [approximate range, -557 to ~745]). In multiple linear regression, the change in systolic blood pressure (ß=7.142, 95% confidence interval =4.557–9.727; P<0.0001, R2=0.305) was associated with ∆baPWV during follow-up. The change in glycated hemoglobin (HbA1c) and a glycemic control of keeping HbA1c levels below 7.0% were not associated with ∆baPWV.
Conclusion: We found that the variation of blood pressure was associated with the progression of vascular aging of the large- to middle-sized arteries in patients with type 2 DM. Therefore, control of blood pressure might be important in reducing arterial aging or PWV in patients with type 2 DM.

Keywords: arterial aging, blood pressure, diabetes mellitus

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