Document Detail


Comparison of subclinical left and right ventricular systolic dysfunction in non-dipper and dipper hypertensives: impact of isovolumic acceleration.
MedLine Citation:
PMID:  24490754     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Objectives: To evaluate subclinical left ventricular and right ventricular systolic impairment in dipper and non-dipper hypertensives by using isovolumic acceleration. Methods: About 45 normotensive healthy volunteers (20 men, mean age 43 ± 9 years), 45 dipper (27 men, mean age 45 ± 9 years) and 45 non-dipper (25 men, 47 ± 7 years) hypertensives were enrolled. Isovolumic acceleration was measured by dividing the peak myocardial isovolumic contraction velocity by isovolumic acceleration time. Results: Non-dippers indicated lower left ventricular (2.2 ± 0.4 m/s(2) versus 2.8 ± 1.0 m/s(2), p < 0.01) and right ventricular isovolumic acceleration values (2.8 ± 0.8 m/s(2) versus 3.5 ± 1.0 m/s(2), p = 0.012) compared with dippers. Left ventricular mass index (p = 0.001), interventricular septal thickness (p = 0.002) and myocardial performance index (p < 0.001) were negatively correlated with left ventricular isovolumic acceleration. Left ventricular septal thickness (p = 0.002), mass index (p = 0.001) and right ventricular myocardial performance index (p < 0.001) were negatively correlated with right ventricular isovolumic acceleration. Conclusion: The present study demonstrates that non-dipper hypertensives have increased left and right ventricular subclinical systolic dysfunction compared with dippers. Isovolumic acceleration is the only echocardiographic parameter in predicting this subtle impairment.
Authors:
Mehmet Erturk; Ali Buturak; Hamdi Pusuroglu; Ali Kemal Kalkan; Muhammet Gurdogan; Ibrahim Faruk Akturk; Ozgur Akgul; Hale Unal Aksu; Fatih Uzun; Nevzat Uslu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-3
Journal Detail:
Title:  Clinical and experimental hypertension (New York, N.Y. : 1993)     Volume:  -     ISSN:  1525-6006     ISO Abbreviation:  Clin. Exp. Hypertens.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9305929     Medline TA:  Clin Exp Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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