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Occurrence of obstructive sleep apnea in a group of shift worked police officers

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Klawe J. J., Laudencka A., Miskowiec I., Tafil-Klawe M.

Journal of Physiology and Pharmacology. Supplement

2005

tom 56

nr 4

115-117

Shift work is an important source of health disturbances. Night work has a negative influence on some spheres: biological, working, social, and medical. Disturbances of sleeping, one group of manifestations of medical problems, can be considered as a cause of health deterioration. This study focuses on the occurrence of breathing disturbances during sleep in shift workers. Twenty one shift worked police officers (40-60 years old) were compared with an age-matched control group operating in the some environment. All subjects underwent overnight polysomnography. The polysomnographic investigation by shift workers was conducted after a day shift and normal night sleep, after an adaptational night in the sleep laboratory. Obstructive sleep apnea was found in 8 shift workers (38%) with AHI of 5.72-45.45 and in 8 control volunteers (38% of the studied group) with AHI of 5.00-25.24. All breathing parameters, as measured by polysomnography, did not differ between the two groups. Our results do not confirm the hypothesis that chronic irregular work hours promote the occurrence of obstructive sleep apnea in subjects aged 40-60 years.

Does night work favor sleep-related accidents in police officers?

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Tafil-Klawe M., Laudencka A., Klawe J. J., Miskowiec I.

Journal of Physiology and Pharmacology. Supplement

2005

tom 56

nr 4

223-226

Several studies of sleep-breathing physiology have suggested that sleep deprivation may worsen obstructive sleep apnea. The aim of the study was to determine the direct effect of night work on breathing variables during sleep in fast-rotating shift workers. Twenty one men - police officers, fast-rotating shift workers, underwent polysomnography on 2 occasions: under a normal sleeping condition after day work and after sleep deprivations after night work. Both sleep studies were conducted within 2 to 3 weeks of each other. Approximately half of the group was tested under control conditions (day work) first, with the remaining subjects tested under sleep deprivation conditions (night work) first. After a night shift the subjects did not show a significantly different apnea-hypopnea-index (AHI). However, night work significantly increased several breathing variables recorded during sleep after it: total duration of obstructive apneas (OA) during REM sleep, mean duration of OA during arousal, total duration of OA during NREM sleep, apnea index during arousal, mean length of OA during sleep period time, total duration of OA during sleep period time, mean length of OA during total sleep time, mean length of hypopnea during REM sleep, total duration of hypopnea during sleep period time and during total sleep time, maximal length of central apnea and OA, and total sleep time. Night work does not favor obstructive sleep apnea episodes during sleep, but worsens many an obstructive sleep apnea variable, as measured by polysomnography.

Ograniczanie wyników

2 Journal of Physiology and Pharmacology. Supplement

2 Klawe J. J.

2 Laudencka A.

2 Miskowiec I.

2 Tafil-Klawe M.

2 2005

Wyniki wyszukiwania

Occurrence of obstructive sleep apnea in a group of shift worked police officers

Does night work favor sleep-related accidents in police officers?