Adverse changes in mood and cognitive performance of house officers after night duty.
Identifieur interne : 003069 ( Ncbi/Curation ); précédent : 003068; suivant : 003070Adverse changes in mood and cognitive performance of house officers after night duty.
Auteurs : D. I. Orton ; J. H. GruzelierSource :
- BMJ : British Medical Journal [ 0959-8138 ] ; 1989.
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- MESH :
Abstract
The effects of long hours of work by junior doctors are the subject of growing concern. Experimental investigations of the effects of night duty on young doctors are few and have given inconclusive results. To measure the effects of long hours of work and reduced sleep on cognitive performance and mood 20 house officers (14 men and six women; mean age 25, range 24-35) were examined for 35 minutes in one session towards the end of a normal working day and in a second session at the same time after working for up to 31 continuous hours with reduced sleep. The order of the sessions was counterbalanced across the subjects. Each session comprised a series of cognitive tests: choice reaction time, vigilance reaction time, and haptic sorting tests and completion of a profile of mood states and a general questionnaire. After night duty there was a significant slowing in cognitive processing together with a decline in reaction times in the vigilance test. Loss of sleep contributed only to increased variability in the choice reaction time. Significant deleterious changes in mood after night duty occurred in all the mood scales after night duty. Continuous working may adversely affect the cognitive function and mood to the detriment of the welfare of doctors and their patients.
Url:
PubMed: 2492842
PubMed Central: 1835335
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PMC:1835335Le document en format XML
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