• Am. J. Cardiol. · Jul 2015

    Earlobe crease shapes and cardiovascular events.

    • Claudia Rodríguez-López, Hugo Garlito-Díaz, Raquel Madroñero-Mariscal, Pablo Jesús Sánchez-Cervilla, Auxiliadora Graciani, José Luis López-Sendón, and Esteban López-de-Sá.
    • Department of Preventive Medicine, Public Health and Microbiology of the School of Medicine of the Universidad Autonoma de Madrid, Spain.
    • Am. J. Cardiol. 2015 Jul 15; 116 (2): 286-93.

    AbstractEarlobe crease (ELC) has been linked to coronary artery disease; however, systematic evaluations of the earlobe and its relation to ischemic stroke are lacking. The objectives were to define the ELC using a single-blind approach and to determine through multivariate analysis its association with cardiovascular events (CVEs) comprising coronary, ischemic cerebrovascular, and peripheral vascular diseases. A single-blind cross-sectional study was performed in 2 phases: (1) an initial study (n = 300) to define ELC classification criteria and (2) a confirmation stage (n = 1,000) to analyze ELC association with CVEs. Each of the participants' pinnae were photographed and classified blindly by joint decision according to ELC's inclination, length, depth, and bilateralism. Patients' medical histories were reviewed for age, cardiovascular risk factors, and CVEs. The concordance rate after the classification of all photographs was 89.6%. The first phase did not find any correlation between the different depth degrees or vertical creases and CVEs. The second stage concluded that diagonal bilateral ELC prevalence in patients with CVEs was 43% compared with 29% in the control patients (p <0.001). The multivariate analysis showed an association between ELC and CVEs (odds ratio 1.45, 95% confidence interval [CI] 1.08 to 1.93, p = 0.012), with a sensitivity and specificity of 43% and 70%, respectively. Ischemic stroke alone was also associated with diagonal bilateral ELC (odds ratio 1.67, 95% confidence interval 1.1 to 2.51, p = 0.015). In conclusion, diagonal bilateral ELC is independently associated with CVEs in the hospitalized population. An independent association with ischemic stroke has also been demonstrated for the first time.Copyright © 2015 Elsevier Inc. All rights reserved.

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