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SHIFTWORK AND THE RETINAL VASCULATURE DIAMETERS AMONG POLICE OFFICERS
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Oct 2017
Source: J Occup Environ Med. 59(10):e172-e179.
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Alternative Title:J Occup Environ Med
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Personal Author:
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Description:Objective
To investigate associations of central retinal arteriolar equivalent (CRAE), a measure of retinal arteriolar width, and central retinal venular equivalents (CRVE), a measure of retinal venular width, with shiftwork in 199 police officers (72.9% male).
Methods
Shiftwork (day, afternoon, night) was assessed using electronic payroll records. Four digital retinal images per officer were taken. Mean diameters of the retinal vasculature were compared across shifts using ANOVA/ANCOVA.
Results
Among all officers (mean age=46.6±6.8 years), shiftwork was not significantly associated with CRAE or CRVE. However, among current and former smokers, night shift officers had a wider mean (±SE) CRVE (230.0±4.5 μm) compared with day shift officers (215.1±3.5 μm); adjusted p=0.014.
Conclusions
Night shift schedule in current and former smokers is associated with wider retinal venules. Reasons for this association are not known. Longitudinal studies are warranted.
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Subject:
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Pubmed ID:28820862
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Pubmed Central ID:PMC5633515
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