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Journal of Preventive Medicine and Public Health 2006;39(6): 485-492.
The Resting Electrocardiographic ST Segment Depression and Related Factors at a Rural Adult Community, Korea.
Yu Mi Kim, Mi Kyung Kim, Jin Ho Shin, Heon Kil Lim, Do Myung Paek, Bo Youl Choi
1Department of Preventive Medicine, Hanyang University College of Medicine, Korea. bychoi@hanyang.ac.kr
2Department of Internal Medicine, Hanyang University College of Medicine, Korea.
3Seoul National University Graduate School of Public Health, Korea.
ABSTRACT
OBJECTIVES: To measure the distribution of electrocardiographic ST segment depression, and evaluate its relationships with cardiovascular risk factors based on the cross-sectional studies within a rural Korean community. METHODS: This study analyzed 1,343 persons, over 40 years old, who participated in a baseline survey during 2002~2005; the exclusion criteria included: a past history of myocardial infarction and angina pectoris, and specific conduction abnormalities. A Standard 12 leads ECG was recorded using an FCP-2101 (Fukuda Denshi Co.). The ST segment depression was retrospectively measured by a physician, according to the Minnesota code classification. RESULTS: ST segment depression was found in 3.6 and 6.4% of male and female participants, respectively. After adjusting for age, gender, smoking, physical activity and obesity differences, high blood pressure showed significant relations with ST depression in females (male ORs=2.67, 95% CI=0.85-8.50; female ORs=2.62, 95% CI=1.29-5.32) CONCLUSIONS: As an ischemic ECG sign, ST depression was related to hypertension in female participants. This relationship remained significant, even after cases with left ventricular hypertrophy were removed.
Key words: Rural community; Electrocardiography; Myocardial ischemia
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