Document Detail


Serum Vitamin D and C-Reactive Protein Levels Are Independently Associated With Diastolic Dysfunction.
MedLine Citation:
PMID:  24126766     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND AND AIM: Vitamin D deficiency is common and may contribute to cardiovascular diseases. We hypothesized that serum 25-hydroxyvitamin D [25(OH)D] levels would be inversely associated with inflammation and with diastolic dysfunction. We therefore investigated the link between serum vitamin D levels (i) echocardiographic measures and (ii) inflammatory parameters.
METHODS: The cross-sectional study included 281 patients who were referred to coronary angiography for stable angina pectoris. Patients were recruited between December 2010 and November 2011. Patients with established congestive heart failure, gout, chronic kidney disease (estimated glomeruler filtration rate <60 mL/min per 1.73 m), and acute infection were not included. We measured serum 25(OH)D levels, C-reactive protein and fibrinogen levels. A radioimmunoassay procedure was used to measure 25(OH)D (DiaSorin, Stillwater, MN). We also performed standardized left ventricular (LV) echocardiograms, and echocardiographic data were used for classification of systolic and diastolic dysfunction. We analyzed the relation between serum levels of 25(OH)D and inflammatory markers and echocardiographic measures of LV mass and diastolic dysfunction.
RESULTS: At baseline, subjects had a mean age of 59.5 ± 10 years, and 43.4% were women. Left ventricular mass index, left atrial diameter, isovolumic relaxation time, and E/E' ratio were significantly higher in patients with lower 25(OH)D levels. In ordinal logistic regression analysis, higher 25(OH)D was negatively associated only with LV mass index (odds ratio [OR], 0.965; 95% confidence interval [95% CI], 0.939-0.992; P = 0.015), isovolumic relaxation time (OR, 0.962; 95% CI, 0.939-0.985; P = 0.001), E/E' ratio (OR, 0.874; 95% CI, 0.811-0.942; P = 0.008), and C-reactive protein (OR, 0.802; 95% CI, 0.668-0.962; P = 0.021).
CONCLUSIONS: Serum levels of 25(OH)D are significantly associated with LV diastolic dysfunction and LV mass index, although the effect size is rather small. Longitudinal studies in larger populations are needed to establish firmly or refute a causal relationship between vitamin D levels and diastolic dysfunction and LV mass index.
Authors:
Fatih Akn; Burak Ayça; Nuri Köse; Omer Celik; Yücel Ylmaz; Melike Nur Akn; Hüseyin Arnc; Abdullah Ozkok; Adrian Covic; Mehmet Kanbay
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-10-11
Journal Detail:
Title:  Journal of investigative medicine : the official publication of the American Federation for Clinical Research     Volume:  -     ISSN:  1708-8267     ISO Abbreviation:  J. Investig. Med.     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2013-10-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9501229     Medline TA:  J Investig Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
From the *Department of Cardiology, Muğla Sıtkı Kocman University School of Medicine, Muğla; †Department of Cardiology, Bağcılar Education and Research Hospital; and ‡Department of Cardiology, Mehmet Akif Ersoy Chest and Cardiovascular Surgery Education and Research Hospital, Istanbul; §Department of Cardiology, Kayseri Education and Research Hospital, Kayseri; and ∥Department of Obstetrics and Gynaecology, Muğla Sıtkı Kocman University Education and Research Hospital, Muğla, Turkey; ¶Nephrology Clinic, Dialysis and Renal Transplant Center, "C. I. Parhon" University Hospital, "Gr. T. Popa" University of Medicine and Pharmacy, Iasi, Romania; and **Department of Medicine, Division of Nephrology, Istanbul Medeniyet University School of Medicine, Istanbul, Turkey.
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