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Psychiatry Clin Neurosci. 1999 Dec;53(6):677-9.

Improvement of subjective work performance among obstructive sleep apnea patients after treatment with continuous positive airway pressure.

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1
Department of Medical Sciences/Occupational and Environmental Medicine, University Hospital, Uppsala, Sweden. jan.ulfberg@ltdalarna.se

Abstract

Obstructive sleep apnea syndrome (OSAS) is a significant problem for some patients presenting with snoring and excessive daytime sleepiness. The 'golden standard' therapy in OSAS is considered to be nasal continuous positive airway pressure (CPAP). The effects of CPAP on work performance in sleep apnoics has not been studied previously. One hundred and fifty-two patients with OSAS participated in an open label study. The patients were diagnosed as suffering from severe OSAS after they underwent overnight polysomnography showing that their apnea indexes were at least 20. The participants answered four questions concerning self-perceived work performance prior to and after using CPAP during 6 months. There were highly statistically significant decreases (P < 0.000001) in work performance difficulties as graded by the patient. The results of this study indicate that CPAP treatment improves subjective work performance in patients suffering from OSAS.

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