Article

Relationship Between Earlobe Crease and Brachial-ankle Pulse Wave Velocity in Non-hypertensive, Non-diabetic Adults in Korea.

Department of Family Medicine, Yonsei University College of Medicine, Severance Hospital, Seoul, Korea.
Epidemiology and health 01/2009; 31:e2009002. DOI:10.4178/epih/e2009002
Source: PubMed

ABSTRACT Several studies have found a significant association between the presence of earlobe crease (ELC) and cardiovascular disease (CVD). Brachial-ankle Pulse Wave Velocity (baPWV) is a non-invasive and useful measure of arterial stiffness predicting cardiovascular events and mortality. However, few studies have reported the relationship between ELC and baPWV as a new measure of arterial stiffness. The purpose of this study was to determine whether ELC is related to baPWV in non-diabetic, non-hypertensive, and apparently healthy Korean adults.
A cross-sectional study was conducted on 573 non-hypertensive, non-diabetic Korean adults aged 20-80 yr. Subjects were stratified into three groups according to gender and menopausal status. baPWV was measured by an automatic waveform analyser. The association between ELC and baPWV was assessed by multiple linear regression analysis after adjusting for conventional cardiovascular disease risk factors including age, gender, blood pressure, lipid profile, and smoking status etc.
The overall frequency of ELC was 19.02% and the subjects with ELC showed significantly higher mean baPWV (p<0.0001). Multiple linear regression of subjects revealed that the presence of ELC was independently associated with baPWV (male, p<0.0001; premenopausal female p=0.0162; postmenopausal female p=0.0208).
ELC had a significant correlation with baPWV, independently controlling for other classical cardiovascular risk factors in adults aged 20 yr or older. ELC is an important surrogate marker of increased arterial stiffness as measured by baPWV in Korean adults.

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    ABSTRACT: Several studies found a significant association between earlobe crease (ELC) and cardiovascular disease (CVD). Metabolic syndrome (MS) is a group of high-risk factors that are a collection of cardiovascular risk factors. Scant data are available about the relationship between ELC and MS. The purpose of the current study was to examine the correlation between ELC and MS. A cross-sectional study was performed on 3,835 subjects (1,672 females, 43.6%) aged 20 to 79 years who visited a health promotion center. To increase the reliability of the diagnosis of MS, both the modified National Cholesterol Education Program Adult Treatment Panel III (NCEP ATP III) and International Diabetes Federation (IDF) criteria were applied. Independent association between ELC and MS was assessed using multiple logistic regression analysis after adjusting for confounding variables. The frequency of ELC was 20.89% and the prevalence of MS was 11.03% (NCEP criteria) and 9.75% (IDF criteria). The prevalence of both ELC and MS significantly increased with age. The modified Framingham risk score was significantly higher in subjects with ELC than without. After adjusting for conventional risk factors for CVD, the risk of MS increased significantly in the presence of ELC. The current study showed that the odds ratio for MS increased in the presence of ELC in Korean adults. ELC is an auxiliary indicator of MS, although prognostic value might be limited. Further studies are warranted to elucidate the clinical significance of ELC.
    Epidemiology and health. 01/2012; 34:e2012004.

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