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Blood Pressure and Age Are the Main Determinants of Aortic Stiffness

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were responsible for 34% of the change in aortic stiffness. All oth-er factors woth-ere attributed to 4% of the change [4] . In anothoth-er study, obesity was identified as a major factor responsible for the prevalence of hypertension [5] . The relation between obesity and aortic stiffness was most probably due to progressively increasing blood pressure subsequent to obesity. Aortic stiffness increased due to the physical distending effect of blood pressure on the arte-rial wall.

Blood pressure and age were the main parameters that affected aortic stiffness. The effect of BMI on stiffness was related to the higher blood pressures that were observed in patients with a high-er BMI. When factors related to aortic stiffness are evaluated, ad-justments according to blood pressure must be made.

Dear Editor,

We would like to thank Gülgün for his interest in our paper entitled “Relationship between Fragmented QRS Complex and Aortic Stiffness in Chronic Hemodialysis Patients” [1] . He point-ed out that, as one of the important determinants of aortic stiff-ness, BMI should have been checked in the study population.

In a cardiovascular health study [2] , increased aortic stiffness was associated with BMI, but this correlation disappeared when age and blood pressure were included as variables. Similarly, in a systematic review, it was shown that aortic stiffness was weakly correlated with conventional cardiovascular risk factors, except for blood pressure and age. Aortic stiffness was not independent-ly associated with BMI, total cholesterol, low-density lipoprotein cholesterol, triglyceride, smoking, or gender when blood pressure and age were included as variables [3] . Age and blood pressure

Published online: October 6, 2017

© 2017 The Author(s) Published by S. Karger AG, Basel www.karger.com/mpp

Med Princ Pract 2017;26:496 DOI: 10.1159/000480440

Blood Pressure and Age Are the Main Determinants of Aortic Stiffness

Aydın Güçlü a , Gökay Nar b , Atilla İçli b , Nail Özhan c , Siren Sezer d

Departments of a Nephrology and b Cardiology, Ahi Evran

University Medical School, Kırşehir , c Department of Internal

Medicine, Pamukkale University Medical School, Denizli , and

d Department of Nephrology, Baskent University Medical School,

Ankara, Turkey

Aydın Güçlü, MD

Department of Nephrology, Ahi Evran University Medical School Kervansaray district 2019, street number: 1

TR–04100 Kırşehir (Turkey) E-Mail aydinguclu   @   gmail.com

References

1 Güçlü A, Nar G, İçli A, et al: Relationship between fragmented QRS com-plex and aortic stiffness in chronic hemodialysis patients. Med Princ

Pract 2017; 26: 66–70.

2 Mackey RH, Sutton-Tyrrell K, Vaitkevicius PV, et al: Correlates of aortic stiffness in elderly individuals: a subgroup of the Cardiovascular Health

Study. Am J Hypertens 2002; 15: 16–23.

3 Cecelja M, Chowienczyk P: Dissociation of aortic pulse wave velocity with risk factors for cardiovascular disease other than hypertension: a

systematic review. Hypertension 2009; 54: 1328–1336.

4 Sa Cunha R, Pannier B, Benetos A, et al: Association between high heart rate and high arterial rigidity in normotensive and hypertensive subjects.

J Hypertens 1997; 15: 1423–1430.

5 Lavie CJ, Milani RV, Ventura HO: Obesity and cardiovascular disease: risk factor, paradox, and impact of weight loss. J Am Coll Cardiol 2009;

53: 1925–1932.

Th is is an Open Access article licensed under the Creative Commons Attribution-NonCommercial-4.0 International License (CC BY-NC) (http://www.karger.com/Services/OpenAccessLicense), applicable to the online version of the article only. Usage and distribution for commercial purposes requires written permission.

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