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The Impact of Shift Type on Oxidative Stress, Inflammation, and Platelet Activation
Irfan Demir1, Aysun Toker, Hulya Aksoy
1Independent Researcher (Dr Demir, Dr Aksoy, Dr Zengin); Hipokrat Laboratories, Department of Biochemistry, Istanbul (Dr Toker); Community Health Center, Karaman (Dr Tasyurek), Turkey.
Objective:
Rotating shift is known to disrupt circadian rhythms. The 12/24 shift system, with frequent day-night rotations and the ergonomic shift system (ESS), with 90% less rotations were compared for their impacts on oxidative stress, inflammation, and platelet activation by using pentraxin 3 (PTX3), urinary 15-isoprostane F2t, and 11-dehydrotromboxane B2 (11-DTB2).
Methods:
All tests were performed by enzyme linked immunosorbent assay (ELISA). Unpaired t test and Pearson correlation analysis were employed.
Results:
Two hundred twenty 12/24 and 198 ESS workers were included. Plasma PTX3 and urinary 15-isoprostane F2t levels were not different between groups. Urinary 11-DTB2 in 12/24 workers were found significantly higher compared with ESS workers (P < 0.0001). A weak but significant correlation was found between urinary 15-isoprostane F2t and urinary 11-DTB2 levels (r = 0.17, P = 0.001).
Conclusions:
12/24 rotating shift was found to cause platelet activation disturbances.
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