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Sex-specific predictors of left ventricular diastolic dysfunction in untreated hypertension

Authors Jaroch J, Vriz O, Bociąga Z, Driussi C, Łoboz-Rudnicka M, Rzyczkowska B, Łoboz-Grudzień K

Received 4 June 2016

Accepted for publication 12 August 2016

Published 25 October 2016 Volume 2016:11 Pages 1495—1504


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Richard Walker

Joanna Jaroch,1 Olga Vriz,2 Zbigniew Bociąga,1 Caterina Driussi,2 Maria Łoboz-Rudnicka,1 Barbara Rzyczkowska,1 Krystyna Łoboz-Grudzień1,3

1Department of Cardiology, T Marciniak Hospital, Wroclaw, Poland; 2Division of Cardiology, San Antonio Hospital, San Daniele del Friuli, Udine, Italy; 3Health Science Faculty, Wroclaw Medical University, Wroclaw, Poland

Background: Little is known about the sex-specific differences in left ventricular (LV) diastolic dysfunction (DD) predictors. We hypothesized that arterial stiffness (AS) may play a different role in the etiology of LV DD in hypertensive men and postmenopausal women, acting independently from other established predictors of this condition, such as age, obesity, diabetes mellitus, LV remodeling, and systolic function.
Objectives: The aim of the study was to analyze the sex-specific differences in AS and other predictors of LV DD in men and postmenopausal women with untreated hypertension (HTN).
Patients and methods: The study included 144 patients (63 postmenopausal women and 81 men, mean age 62.7±6.7 years) with previously untreated HTN and no history of cardiovascular diseases. All patients were subjected to detailed echocardiography, vascular ultrasound, and high-resolution echotracking (eTracking) of carotid arteries.
Results: In the multivariate analysis, concomitant diabetes mellitus turned out to be an independent predictor of LV DD in women (P=0.02). In turn, two independent predictors of LV DD have been identified in men: S'-tissue Doppler-derived peak LV longitudinal systolic shortening velocity (P=0.001) and β, beta stiffness index (P=0.004).
Conclusion: There are sex differences in the predictors of LV DD in untreated HTN. In postmenopausal women, LV DD is mostly determined by diabetes, while in men, it is determined by S', reflecting LV systolic longitudinal function, and β, a parameter of AS.

Keywords: sex differences, left ventricular diastolic dysfunction, hypertension

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