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The Relationship between Adiponectin and Left Ventricular Mass Index Varies with the Risk of Left Ventricular Hypertrophy

Title
The Relationship between Adiponectin and Left Ventricular Mass Index Varies with the Risk of Left Ventricular Hypertrophy
Author
김미경
Keywords
BRAIN NATRIURETIC PEPTIDE; CHRONIC HEART-FAILURE; PLASMA ADIPONECTIN; INSULIN-RESISTANCE; METABOLIC SYNDROME; HUMAN ADIPOCYTES; ASSOCIATION; OBESITY; HYPERTENSION; MORTALITY
Issue Date
2013-07
Publisher
Public Library Science
Citation
Plos One, 2013, 8(7), e70246
Abstract
Background: Adiponectin directly protects against cardiac remodeling. Despite this beneficial effect, most epidemiological studies have reported a negative relationship between adiponectin level and left ventricular mass index (LVMI). However, a positive relationship has also been reported in subjects at high risk of left ventricular hypertrophy (LVH). Based on these conflicting results, we hypothesized that the relationship between serum adiponectin level and LVMI varies with the risk of LVH.Methods: A community-based, cross-sectional study was performed on 1414 subjects. LVMI was measured by echocardiography. Log-transformed adiponectin levels (Log-ADPN) were used for the analysis.Results: Serum adiponectin level had a biphasic distribution (an increase after a decrease) with increasing LVMI. Although Log-ADPN did not correlate with LVMI, Log-ADPN was modestly associated with LVMI in the multivariate analysis (beta = 0.079, p = 0.001). The relationship between adiponectin level and LVMI was bidirectional according to the risk of LVH. In normotensive subjects younger than 50 years, Log-ADPN negatively correlated with LVMI (r = -0.204, p = 0.005); however, Log-ADPN positively correlated with LVMI in >= 50-year-old obese subjects with high arterial stiffness (r = 0.189, p = 0.030). The correlation coefficient between Log-ADPN and LVMI gradually changed from negative to positive with increasing risk factors for LVH. The risk of LVH significantly interacted with the relationship between Log-ADPN and LVMI. In the multivariate analysis, Log-ADPN was associated with LVMI in the subjects at risk of LVH; however, Log-ADPN was either not associated or negatively associated with LVMI in subjects at low risk of LVH.Conclusion: Adiponectin level and LVMI are negatively associated in subjects at low risk of LVH and are positively associated in subjects at high risk of LVH. Therefore, the relationship between adiponectin and LVMI varies with the risk of LVH.
URI
http://apps.webofknowledge.com/full_record.do?product=WOS&search_mode=GeneralSearch&qid=22&SID=D2XtGHm3BhOATRmp4rv&page=1&doc=1http://hdl.handle.net/20.500.11754/50752
ISSN
1932-6203
DOI
10.1371/journal.pone.0070246
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > ETC
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