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KMID : 0384920090180010014
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Korean Journal of Occupational Health Nursing
2009 Volume.18 No. 1 p.14 ~ p.21
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The Effect of Shift Work on the Diurnal Rhythm of Blood Pressure in Nurses
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Lee An-Saeng
Rhee Sang-Jae
Kim Nam-Ho
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Abstract
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Purpose: This study was performed to investigate the effect of shift work on diurnal blood pressure (BP) pattern in nurses.
Method: We studied 20 healthy nurses engaged in 3 shift work. 24-hour ambulatory BP monitoring was performed to each nurse two times during the day and night shift. Five nurses were excluded because of inadequate BP measurement.
Results: All subjects were female. The mean age was 27.4 years (range: 23?33 years) and mean body mass index was 19.7 Kg/m2 (range: 18.0-21.2 Kg/m2). The changes of systolic BP (17.8±9.1 vs. 13.2± 4.7%, p=0.031), diastolic BP (22.3±8.7 vs. 17.3±9.0%, p=0.061), and heart rate (25.2± 5.2 vs. 12.5±8.7%, p=0.001) during the sleeping period were decreased after a night shift compared with day shift. The non-dipper group significantly increased from 20% to 40% after a night shift (p=0.018).
Conclusion: Working night shift is significantly associated with non-dipper status in nurses.
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KEYWORD
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Ambulatory blood pressure monitoring, Circadian rhythm, Shift work
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