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Psychomotor Vigilance Testing of Professional Drivers in the Occupational Health Clinic: a Potential Objective Screen for Daytime Sleepiness
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Published Date:
Mar 2012
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Publisher's site:
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Source:J Occup Environ Med. 54(3):296-302.
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[PDF-516.97 KB]
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Alternative Title:J Occup Environ Med
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Description:Objective Psychomotor vigilance testing (PVT) rapidly assesses attention, reaction time (RT) and abnormal vigilance. Thus, PVT may be an adjunct to screening drivers for high risk obstructive sleep apnea (OSA)/excess daytime sleepiness (EDS). Methods Commercial drivers and emergency responders undergoing occupational examinations took a 10-minute PVT and were instructed to achieve their fastest possible RTs. Participants with maximum RT >5 seconds or ≥2 “super lapses” (RT ≥1000ms) were categorized as “microsleepers”. Results Among 193 male participants, the 15 microsleepers (8%) were significantly more obese, but not different on age or Epworth Sleepiness Score. Time of day had no effect on RT. Conclusion PVT is suitable to occupational clinics and can identify otherwise unrecognized, impaired vigilance. Further studies must validate the PVT abnormalities most predictive of OSA/EDS and vehicular crashes, compared to adiposity measures alone.
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Subject:
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Pubmed ID:21826029
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Pubmed Central ID:PMC3742032
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