Source: Annual Congress 2005 - CPAP therapy
Disease area: Sleep and breathing disorders

Abstract

INTRODUCTION: Previous studies have reported difficulties at work and reduction in work capacity and efficiency in OSA patients. We wondered whether WP, evaluated by a validated, self-administered questionnaire, can be improved with nCPAP.
METHODS: WP, assessed by the Work Limitations Questionnaire (WLQ) (Lerner, D. et al. Med Care 2001; 39(1):72-85), was measured before and after 6 M nCPAP. The trial was performed in 42 professionally active patients (93% males, age 49±7 y, BMI 31±8 kg/m²), all with severe OSA (AHI 46±25).
RESULTS: After 6 M nCPAP, the four dimensions of the WLQ significantly improved.

WLQ	Baseline	Follow-up	p-value
Limitations handling time demands	25 ± 21	13 ± 14	< 0.01
Physical job demands	16 ± 16	12 ± 16	< 0.05
Mental-interpersonal demands	25 ± 19	17 ± 16	< 0.01
Output demands	26 ± 21	17 ± 18	< 0.01

CONCLUSION: nCPAP therapy improves subjective WP in OSA patients. Therefore occupational medicine physicians should focus more on OSA as a potential cause of impaired work performance.

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Citations should be made in the following way:
A. Devolder, A. Weerts, O. M. Vanderveken, P. H. Van de Heyning, W. A. De Backer, J. A. Verbraecken (Edegem, Belgium). Effect of nCPAP on work performance (WP) in patients with obstructive sleep apnea (OSA). Eur Respir J 2005; 26: Suppl. 49, 4616

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