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남녀 및 나이에 따른 심자도 변수 차이 분석

Analysis of the Parameters of Magnetocardiography Depending on the Age and Gender

정남식|이용호|권혁찬|정보영|박용기|임현균
대한의용생체공학회 (The Korea Society Of Medical & Biological Engineering)|2007.08|의공학회지 (Journal of biomedical Engineering Research)|제28권 제4호|pp. 530-538

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초록

Abstract

Magnetocardiography (MCG) is a device to measure the magnetic field from the heart. It is a noninvasive device and takes only few minutes to record magnetocardiogram from a subject. In this study, we compared the difference of MCG data recorded from 56 normal subjects in early twenties (28 males and 28 females, mean age=21.0±1.6 years) and 36 elderly subjects (20 males and 16 females, mean age=61.9±6.9 years) for the analysis of the age and gender difference. A total of 24 parameters used in the analysis were derived from QRS complex, R-wave, T-wave, and ST-T period. As a result, seven parameters including maximum current angle and map angle showed the significant difference (p<0.01 and p<0.05, respectively) between young males and young females. Significant difference (p<0.05) between elderly males and elderly females was found from a parameter, pole distance at T-wave peak. In the comparison of age difference, seven parameters regarding current moment, pole distance, and dynamics showed the significant difference between young and elderly males. Eight parameters also showed significant difference (p<0.05) between two younger and elderly female groups. Results showed that parameters regarding current moment, pole distance, and dynamics might be changed when people get older. In conclusion, gender and age difference should be considered when MCG data are analyzed for certain parameters.

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