Document Detail

Epicardial Fat Thickness is Associated with Non-dipper Blood Pressure Pattern in Patients with Essential Hypertension.
MedLine Citation:
PMID:  22008026     Owner:  NLM     Status:  Publisher    
Abstract Objective. Epicardial fat tissue reflects visceral adiposity and is a suggested cardiometabolic risk factor. Patients with abdominal obesity have an increased prevalence of the non-dipper blood pressure (BP) pattern, but it is unclear whether the same is true of patients with increased epicardial fat thickness (EFT). The association between EFT and circadian BP changes in patients with recently diagnosed essential hypertension was examined. Methods. Sixty hypertensive patients underwent echocardiography, treadmill stress testing, and 24 hours of ambulatory BP monitoring. Epicardial fat thickness and left ventricular mass (LVM) index were measured by using transthoracic echocardiography. The patients were categorized into two groups according to their BP pattern (group 1, non-dippers; group 2, dippers). Results. The mean EFT and LVM of patients in group 1 (n = 24) (EFT, 7.6 ± 2.1 mm; LVM, 130 ± 31.2 g/m(2)) were significantly greater than those of group 2 (n = 36) (EFT, 5.5 ± 1.2 mm, P = .0001; LVM, 107 ± 23.7 g/m(2), P = .002). The average systolic BP over 24 hours (BP(s) 24) and average diastolic BP over 24 hours (BP(d) 24) of group 1 (BP(s) 24, 151.1 ± 17.6 mm Hg; BP(d) 24, 94.1 ± 16.5 mm Hg) were significantly higher than those of group 2 (BP(s) 24, 136.7 ± 11.9 mm Hg, P = .0001; BP(d) 24, 84.6 ± 10.6 mm Hg; P = .008). Multivariate backward logistic regression analysis demonstrated that the non-dipper BP pattern was associated with EFT (standardized β coefficient = 0.87, P = .005) and LVM (standardized β coefficient = 0.43, P = .016). An EFT ≥ 7 mm was associated with the non-dipper BP pattern with 44% sensitivity and 94% specificity (receiver operating characteristic area under curve of 0.72, 95% CI [0.59-0.83], P = .0007). Conclusions. Epicardial fat thickness was above average in newly diagnosed, untreated hypertensive patients with non-dipper BP pattern. The echocardiographic measurement of EFT may be used to indicate increased risk of hypertension-related adverse cardiovascular events.
Cihan Sengul; Cihan Cevik; Olcay Ozveren; Dursun Duman; Elif Eroglu; Vecih Oduncu; Halil Ibrahim Tanboga; Mehmet Mustafa Can; Taylan Akgun; Ismet Dindar
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-18
Journal Detail:
Title:  Clinical and experimental hypertension (New York, N.Y. : 1993)     Volume:  -     ISSN:  1525-6006     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9305929     Medline TA:  Clin Exp Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Division of Cardiology, Goztepe Medical Park Hospital , Istanbul , Turkey.
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